diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 4355 |
1 files changed, 4355 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..138d562 --- /dev/null +++ b/configure.ac @@ -0,0 +1,4355 @@ +dnl *********************************************** +dnl * Please run autoreconf to test your changes! * +dnl *********************************************** + +# Set VERSION so we only need to edit in one place (i.e., here) +m4_define(PYTHON_VERSION, 3.2) + +dnl Some m4 magic to ensure that the configure script is generated +dnl by the correct autoconf version. +m4_define([version_required], +[m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]), [$1]), 0, + [], + [m4_fatal([Autoconf version $1 is required for Python], 63)]) +]) +AC_PREREQ(2.65) + +AC_REVISION($Revision$) +AC_INIT(python, PYTHON_VERSION, http://bugs.python.org/) +AC_CONFIG_SRCDIR([Include/object.h]) +AC_CONFIG_HEADER(pyconfig.h) + +dnl Ensure that if prefix is specified, it does not end in a slash. If +dnl it does, we get path names containing '//' which is both ugly and +dnl can cause trouble. + +dnl Last slash shouldn't be stripped if prefix=/ +if test "$prefix" != "/"; then + prefix=`echo "$prefix" | sed -e 's/\/$//g'` +fi + +dnl This is for stuff that absolutely must end up in pyconfig.h. +dnl Please use pyport.h instead, if possible. +AH_TOP([ +#ifndef Py_PYCONFIG_H +#define Py_PYCONFIG_H +]) +AH_BOTTOM([ +/* Define the macros needed if on a UnixWare 7.x system. */ +#if defined(__USLC__) && defined(__SCO_VERSION__) +#define STRICT_SYSV_CURSES /* Don't use ncurses extensions */ +#endif + +#endif /*Py_PYCONFIG_H*/ +]) + +# We don't use PACKAGE_ variables, and they cause conflicts +# with other autoconf-based packages that include Python.h +grep -v 'define PACKAGE_' <confdefs.h >confdefs.h.new +rm confdefs.h +mv confdefs.h.new confdefs.h + +AC_SUBST(VERSION) +VERSION=PYTHON_VERSION + +# Version number of Python's own shared library file. +AC_SUBST(SOVERSION) +SOVERSION=1.0 + +# The later defininition of _XOPEN_SOURCE disables certain features +# on Linux, so we need _GNU_SOURCE to re-enable them (makedev, tm_zone). +AC_DEFINE(_GNU_SOURCE, 1, [Define on Linux to activate all library features]) + +# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables +# certain features on NetBSD, so we need _NETBSD_SOURCE to re-enable +# them. +AC_DEFINE(_NETBSD_SOURCE, 1, [Define on NetBSD to activate all library features]) + +# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables +# certain features on FreeBSD, so we need __BSD_VISIBLE to re-enable +# them. +AC_DEFINE(__BSD_VISIBLE, 1, [Define on FreeBSD to activate all library features]) + +# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables +# u_int on Irix 5.3. Defining _BSD_TYPES brings it back. +AC_DEFINE(_BSD_TYPES, 1, [Define on Irix to enable u_int]) + +# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables +# certain features on Mac OS X, so we need _DARWIN_C_SOURCE to re-enable +# them. +AC_DEFINE(_DARWIN_C_SOURCE, 1, [Define on Darwin to activate all library features]) + + +define_xopen_source=yes + +# Arguments passed to configure. +AC_SUBST(CONFIG_ARGS) +CONFIG_ARGS="$ac_configure_args" + +AC_MSG_CHECKING([for --enable-universalsdk]) +AC_ARG_ENABLE(universalsdk, + AS_HELP_STRING([--enable-universalsdk@<:@=SDKDIR@:>@], [Build against Mac OS X 10.4u SDK (ppc/i386)]), +[ + case $enableval in + yes) + enableval=/Developer/SDKs/MacOSX10.4u.sdk + if test ! -d "${enableval}" + then + enableval=/ + fi + ;; + esac + case $enableval in + no) + UNIVERSALSDK= + enable_universalsdk= + ;; + *) + UNIVERSALSDK=$enableval + if test ! -d "${UNIVERSALSDK}" + then + AC_MSG_ERROR([--enable-universalsdk specifies non-existing SDK: ${UNIVERSALSDK}]) + fi + ;; + esac + +],[ + UNIVERSALSDK= + enable_universalsdk= +]) +if test -n "${UNIVERSALSDK}" +then + AC_MSG_RESULT(${UNIVERSALSDK}) +else + AC_MSG_RESULT(no) +fi +AC_SUBST(UNIVERSALSDK) + +AC_SUBST(ARCH_RUN_32BIT) + +UNIVERSAL_ARCHS="32-bit" +AC_SUBST(LIPO_32BIT_FLAGS) +AC_MSG_CHECKING(for --with-universal-archs) +AC_ARG_WITH(universal-archs, + AS_HELP_STRING([--with-universal-archs=ARCH], [select architectures for universal build ("32-bit", "64-bit", "3-way", "intel" or "all")]), +[ + AC_MSG_RESULT($withval) + UNIVERSAL_ARCHS="$withval" +], +[ + AC_MSG_RESULT(32-bit) +]) + + + +AC_ARG_WITH(framework-name, + AS_HELP_STRING([--with-framework-name=FRAMEWORK], + [specify an alternate name of the framework built with --enable-framework]), +[ + PYTHONFRAMEWORK=${withval} + PYTHONFRAMEWORKDIR=${withval}.framework + PYTHONFRAMEWORKIDENTIFIER=org.python.`echo $withval | tr '[A-Z]' '[a-z]'` + ],[ + PYTHONFRAMEWORK=Python + PYTHONFRAMEWORKDIR=Python.framework + PYTHONFRAMEWORKIDENTIFIER=org.python.python +]) +dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output +AC_ARG_ENABLE(framework, + AS_HELP_STRING([--enable-framework@<:@=INSTALLDIR@:>@], [Build (MacOSX|Darwin) framework]), +[ + case $enableval in + yes) + enableval=/Library/Frameworks + esac + case $enableval in + no) + PYTHONFRAMEWORK= + PYTHONFRAMEWORKDIR=no-framework + PYTHONFRAMEWORKPREFIX= + PYTHONFRAMEWORKINSTALLDIR= + FRAMEWORKINSTALLFIRST= + FRAMEWORKINSTALLLAST= + FRAMEWORKALTINSTALLFIRST= + FRAMEWORKALTINSTALLLAST= + if test "x${prefix}" = "xNONE"; then + FRAMEWORKUNIXTOOLSPREFIX="${ac_default_prefix}" + else + FRAMEWORKUNIXTOOLSPREFIX="${prefix}" + fi + enable_framework= + ;; + *) + PYTHONFRAMEWORKPREFIX="${enableval}" + PYTHONFRAMEWORKINSTALLDIR=$PYTHONFRAMEWORKPREFIX/$PYTHONFRAMEWORKDIR + FRAMEWORKINSTALLFIRST="frameworkinstallstructure" + FRAMEWORKALTINSTALLFIRST="frameworkinstallstructure " + FRAMEWORKINSTALLLAST="frameworkinstallmaclib frameworkinstallapps frameworkinstallunixtools" + FRAMEWORKALTINSTALLLAST="frameworkinstallmaclib frameworkinstallapps frameworkaltinstallunixtools" + FRAMEWORKINSTALLAPPSPREFIX="/Applications" + + if test "x${prefix}" = "xNONE" ; then + FRAMEWORKUNIXTOOLSPREFIX="${ac_default_prefix}" + + else + FRAMEWORKUNIXTOOLSPREFIX="${prefix}" + fi + + case "${enableval}" in + /System*) + FRAMEWORKINSTALLAPPSPREFIX="/Applications" + if test "${prefix}" = "NONE" ; then + # See below + FRAMEWORKUNIXTOOLSPREFIX="/usr" + fi + ;; + + /Library*) + FRAMEWORKINSTALLAPPSPREFIX="/Applications" + ;; + + */Library/Frameworks) + MDIR="`dirname "${enableval}"`" + MDIR="`dirname "${MDIR}"`" + FRAMEWORKINSTALLAPPSPREFIX="${MDIR}/Applications" + + if test "${prefix}" = "NONE"; then + # User hasn't specified the + # --prefix option, but wants to install + # the framework in a non-default location, + # ensure that the compatibility links get + # installed relative to that prefix as well + # instead of in /usr/local. + FRAMEWORKUNIXTOOLSPREFIX="${MDIR}" + fi + ;; + + *) + FRAMEWORKINSTALLAPPSPREFIX="/Applications" + ;; + esac + + prefix=$PYTHONFRAMEWORKINSTALLDIR/Versions/$VERSION + + # Add files for Mac specific code to the list of output + # files: + AC_CONFIG_FILES(Mac/Makefile) + AC_CONFIG_FILES(Mac/PythonLauncher/Makefile) + AC_CONFIG_FILES(Mac/Resources/framework/Info.plist) + AC_CONFIG_FILES(Mac/Resources/app/Info.plist) + esac + ],[ + PYTHONFRAMEWORK= + PYTHONFRAMEWORKDIR=no-framework + PYTHONFRAMEWORKPREFIX= + PYTHONFRAMEWORKINSTALLDIR= + FRAMEWORKINSTALLFIRST= + FRAMEWORKINSTALLLAST= + FRAMEWORKALTINSTALLFIRST= + FRAMEWORKALTINSTALLLAST= + if test "x${prefix}" = "xNONE" ; then + FRAMEWORKUNIXTOOLSPREFIX="${ac_default_prefix}" + else + FRAMEWORKUNIXTOOLSPREFIX="${prefix}" + fi + enable_framework= + +]) +AC_SUBST(PYTHONFRAMEWORK) +AC_SUBST(PYTHONFRAMEWORKIDENTIFIER) +AC_SUBST(PYTHONFRAMEWORKDIR) +AC_SUBST(PYTHONFRAMEWORKPREFIX) +AC_SUBST(PYTHONFRAMEWORKINSTALLDIR) +AC_SUBST(FRAMEWORKINSTALLFIRST) +AC_SUBST(FRAMEWORKINSTALLLAST) +AC_SUBST(FRAMEWORKALTINSTALLFIRST) +AC_SUBST(FRAMEWORKALTINSTALLLAST) +AC_SUBST(FRAMEWORKUNIXTOOLSPREFIX) +AC_SUBST(FRAMEWORKINSTALLAPPSPREFIX) + +##AC_ARG_WITH(dyld, +## AS_HELP_STRING([--with-dyld], +## [Use (OpenStep|Rhapsody) dynamic linker])) +## +# Set name for machine-dependent library files +AC_SUBST(MACHDEP) +AC_MSG_CHECKING(MACHDEP) +if test -z "$MACHDEP" +then + ac_sys_system=`uname -s` + if test "$ac_sys_system" = "AIX" \ + -o "$ac_sys_system" = "UnixWare" -o "$ac_sys_system" = "OpenUNIX"; then + ac_sys_release=`uname -v` + else + ac_sys_release=`uname -r` + fi + ac_md_system=`echo $ac_sys_system | + tr -d '[/ ]' | tr '[[A-Z]]' '[[a-z]]'` + ac_md_release=`echo $ac_sys_release | + tr -d '[/ ]' | sed 's/^[[A-Z]]\.//' | sed 's/\..*//'` + MACHDEP="$ac_md_system$ac_md_release" + + case $MACHDEP in + linux*) MACHDEP="linux2";; + cygwin*) MACHDEP="cygwin";; + darwin*) MACHDEP="darwin";; + irix646) MACHDEP="irix6";; + '') MACHDEP="unknown";; + esac +fi + +# Some systems cannot stand _XOPEN_SOURCE being defined at all; they +# disable features if it is defined, without any means to access these +# features as extensions. For these systems, we skip the definition of +# _XOPEN_SOURCE. Before adding a system to the list to gain access to +# some feature, make sure there is no alternative way to access this +# feature. Also, when using wildcards, make sure you have verified the +# need for not defining _XOPEN_SOURCE on all systems matching the +# wildcard, and that the wildcard does not include future systems +# (which may remove their limitations). +dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output +case $ac_sys_system/$ac_sys_release in + # On OpenBSD, select(2) is not available if _XOPEN_SOURCE is defined, + # even though select is a POSIX function. Reported by J. Ribbens. + # Reconfirmed for OpenBSD 3.3 by Zachary Hamm, for 3.4 by Jason Ish. + # In addition, Stefan Krah confirms that issue #1244610 exists through + # OpenBSD 4.6, but is fixed in 4.7. + OpenBSD/2.* | OpenBSD/3.* | OpenBSD/4.@<:@0123456@:>@) + define_xopen_source=no + # OpenBSD undoes our definition of __BSD_VISIBLE if _XOPEN_SOURCE is + # also defined. This can be overridden by defining _BSD_SOURCE + # As this has a different meaning on Linux, only define it on OpenBSD + AC_DEFINE(_BSD_SOURCE, 1, [Define on OpenBSD to activate all library features]) + ;; + OpenBSD/*) + # OpenBSD undoes our definition of __BSD_VISIBLE if _XOPEN_SOURCE is + # also defined. This can be overridden by defining _BSD_SOURCE + # As this has a different meaning on Linux, only define it on OpenBSD + AC_DEFINE(_BSD_SOURCE, 1, [Define on OpenBSD to activate all library features]) + ;; + # Defining _XOPEN_SOURCE on NetBSD version prior to the introduction of + # _NETBSD_SOURCE disables certain features (eg. setgroups). Reported by + # Marc Recht + NetBSD/1.5 | NetBSD/1.5.* | NetBSD/1.6 | NetBSD/1.6.* | NetBSD/1.6@<:@A-S@:>@) + define_xopen_source=no;; + # From the perspective of Solaris, _XOPEN_SOURCE is not so much a + # request to enable features supported by the standard as a request + # to disable features not supported by the standard. The best way + # for Python to use Solaris is simply to leave _XOPEN_SOURCE out + # entirely and define __EXTENSIONS__ instead. + SunOS/*) + define_xopen_source=no;; + # On UnixWare 7, u_long is never defined with _XOPEN_SOURCE, + # but used in /usr/include/netinet/tcp.h. Reported by Tim Rice. + # Reconfirmed for 7.1.4 by Martin v. Loewis. + OpenUNIX/8.0.0| UnixWare/7.1.@<:@0-4@:>@) + define_xopen_source=no;; + # On OpenServer 5, u_short is never defined with _XOPEN_SOURCE, + # but used in struct sockaddr.sa_family. Reported by Tim Rice. + SCO_SV/3.2) + define_xopen_source=no;; + # On FreeBSD 4, the math functions C89 does not cover are never defined + # with _XOPEN_SOURCE and __BSD_VISIBLE does not re-enable them. + FreeBSD/4.*) + define_xopen_source=no;; + # On MacOS X 10.2, a bug in ncurses.h means that it craps out if + # _XOPEN_EXTENDED_SOURCE is defined. Apparently, this is fixed in 10.3, which + # identifies itself as Darwin/7.* + # On Mac OS X 10.4, defining _POSIX_C_SOURCE or _XOPEN_SOURCE + # disables platform specific features beyond repair. + # On Mac OS X 10.3, defining _POSIX_C_SOURCE or _XOPEN_SOURCE + # has no effect, don't bother defining them + Darwin/@<:@6789@:>@.*) + define_xopen_source=no;; + Darwin/1@<:@0-9@:>@.*) + define_xopen_source=no;; + # On AIX 4 and 5.1, mbstate_t is defined only when _XOPEN_SOURCE == 500 but + # used in wcsnrtombs() and mbsnrtowcs() even if _XOPEN_SOURCE is not defined + # or has another value. By not (re)defining it, the defaults come in place. + AIX/4) + define_xopen_source=no;; + AIX/5) + if test `uname -r` -eq 1; then + define_xopen_source=no + fi + ;; + # On QNX 6.3.2, defining _XOPEN_SOURCE prevents netdb.h from + # defining NI_NUMERICHOST. + QNX/6.3.2) + define_xopen_source=no + ;; + +esac + +if test $define_xopen_source = yes +then + AC_DEFINE(_XOPEN_SOURCE, 600, + Define to the level of X/Open that your system supports) + + # On Tru64 Unix 4.0F, defining _XOPEN_SOURCE also requires + # definition of _XOPEN_SOURCE_EXTENDED and _POSIX_C_SOURCE, or else + # several APIs are not declared. Since this is also needed in some + # cases for HP-UX, we define it globally. + AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1, + Define to activate Unix95-and-earlier features) + + AC_DEFINE(_POSIX_C_SOURCE, 200112L, Define to activate features from IEEE Stds 1003.1-2001) + +fi + +# +# SGI compilers allow the specification of the both the ABI and the +# ISA on the command line. Depending on the values of these switches, +# different and often incompatable code will be generated. +# +# The SGI_ABI variable can be used to modify the CC and LDFLAGS and +# thus supply support for various ABI/ISA combinations. The MACHDEP +# variable is also adjusted. +# +AC_SUBST(SGI_ABI) +if test ! -z "$SGI_ABI" +then + CC="cc $SGI_ABI" + LDFLAGS="$SGI_ABI $LDFLAGS" + MACHDEP=`echo "${MACHDEP}${SGI_ABI}" | sed 's/ *//g'` +fi +AC_MSG_RESULT($MACHDEP) + +# Record the configure-time value of MACOSX_DEPLOYMENT_TARGET, +# it may influence the way we can build extensions, so distutils +# needs to check it +AC_SUBST(CONFIGURE_MACOSX_DEPLOYMENT_TARGET) +AC_SUBST(EXPORT_MACOSX_DEPLOYMENT_TARGET) +CONFIGURE_MACOSX_DEPLOYMENT_TARGET= +EXPORT_MACOSX_DEPLOYMENT_TARGET='#' + +AC_MSG_CHECKING(machine type as reported by uname -m) +ac_sys_machine=`uname -m` +AC_MSG_RESULT($ac_sys_machine) + +# checks for alternative programs + +# compiler flags are generated in two sets, BASECFLAGS and OPT. OPT is just +# for debug/optimization stuff. BASECFLAGS is for flags that are required +# just to get things to compile and link. Users are free to override OPT +# when running configure or make. The build should not break if they do. +# BASECFLAGS should generally not be messed with, however. + +# XXX shouldn't some/most/all of this code be merged with the stuff later +# on that fiddles with OPT and BASECFLAGS? +AC_MSG_CHECKING(for --without-gcc) +AC_ARG_WITH(gcc, + AS_HELP_STRING([--without-gcc], [never use gcc]), +[ + case $withval in + no) CC=${CC:-cc} + without_gcc=yes;; + yes) CC=gcc + without_gcc=no;; + *) CC=$withval + without_gcc=$withval;; + esac], [ + case $ac_sys_system in + AIX*) CC=${CC:-xlc_r} + without_gcc=;; + *) without_gcc=no;; + esac]) +AC_MSG_RESULT($without_gcc) + +# If the user switches compilers, we can't believe the cache +if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC" +then + AC_MSG_ERROR([cached CC is different -- throw away $cache_file +(it is also a good idea to do 'make clean' before compiling)]) +fi + +# Don't let AC_PROG_CC set the default CFLAGS. It normally sets -g -O2 +# when the compiler supports them, but we don't always want -O2, and +# we set -g later. +if test -z "$CFLAGS"; then + CFLAGS= +fi +AC_PROG_CC + +AC_SUBST(CXX) +AC_SUBST(MAINCC) +AC_MSG_CHECKING(for --with-cxx-main=<compiler>) +AC_ARG_WITH(cxx_main, + AS_HELP_STRING([--with-cxx-main=<compiler>], + [compile main() and link python executable with C++ compiler]), +[ + + case $withval in + no) with_cxx_main=no + MAINCC='$(CC)';; + yes) with_cxx_main=yes + MAINCC='$(CXX)';; + *) with_cxx_main=yes + MAINCC=$withval + if test -z "$CXX" + then + CXX=$withval + fi;; + esac], [ + with_cxx_main=no + MAINCC='$(CC)' +]) +AC_MSG_RESULT($with_cxx_main) + +preset_cxx="$CXX" +if test -z "$CXX" +then + case "$CC" in + gcc) AC_PATH_PROG(CXX, [g++], [g++], [notfound]) ;; + cc) AC_PATH_PROG(CXX, [c++], [c++], [notfound]) ;; + esac + if test "$CXX" = "notfound" + then + CXX="" + fi +fi +if test -z "$CXX" +then + AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++ cl, notfound) + if test "$CXX" = "notfound" + then + CXX="" + fi +fi +if test "$preset_cxx" != "$CXX" +then + AC_MSG_WARN([ + + By default, distutils will build C++ extension modules with "$CXX". + If this is not intended, then set CXX on the configure command line. + ]) +fi + + +AC_MSG_CHECKING([for -Wl,--no-as-needed]) +save_LDFLAGS="$LDFLAGS" +LDFLAGS="$LDFLAGS -Wl,--no-as-needed" +AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])], + [NO_AS_NEEDED="-Wl,--no-as-needed" + AC_MSG_RESULT([yes])], + [NO_AS_NEEDED="" + AC_MSG_RESULT([no])]) +LDFLAGS="$save_LDFLAGS" +AC_SUBST(NO_AS_NEEDED) + + +# checks for UNIX variants that set C preprocessor variables +AC_USE_SYSTEM_EXTENSIONS + +# Check for unsupported systems +case $ac_sys_system/$ac_sys_release in +atheos*|Linux*/1*) + echo This system \($ac_sys_system/$ac_sys_release\) is no longer supported. + echo See README for details. + exit 1;; +esac + +AC_EXEEXT +AC_MSG_CHECKING(for --with-suffix) +AC_ARG_WITH(suffix, + AS_HELP_STRING([--with-suffix=.exe], [set executable suffix]), +[ + case $withval in + no) EXEEXT=;; + yes) EXEEXT=.exe;; + *) EXEEXT=$withval;; + esac]) +AC_MSG_RESULT($EXEEXT) + +# Test whether we're running on a non-case-sensitive system, in which +# case we give a warning if no ext is given +AC_SUBST(BUILDEXEEXT) +AC_MSG_CHECKING(for case-insensitive build directory) +if test ! -d CaseSensitiveTestDir; then +mkdir CaseSensitiveTestDir +fi + +if test -d casesensitivetestdir +then + AC_MSG_RESULT(yes) + BUILDEXEEXT=.exe +else + AC_MSG_RESULT(no) + BUILDEXEEXT=$EXEEXT +fi +rmdir CaseSensitiveTestDir + +case $MACHDEP in +bsdos*) + case $CC in + gcc) CC="$CC -D_HAVE_BSDI";; + esac;; +esac + +case $ac_sys_system in +hp*|HP*) + case $CC in + cc|*/cc) CC="$CC -Ae";; + esac;; +esac + + +AC_SUBST(LIBRARY) +AC_MSG_CHECKING(LIBRARY) +if test -z "$LIBRARY" +then + LIBRARY='libpython$(VERSION)$(ABIFLAGS).a' +fi +AC_MSG_RESULT($LIBRARY) + +# LDLIBRARY is the name of the library to link against (as opposed to the +# name of the library into which to insert object files). BLDLIBRARY is also +# the library to link against, usually. On Mac OS X frameworks, BLDLIBRARY +# is blank as the main program is not linked directly against LDLIBRARY. +# LDLIBRARYDIR is the path to LDLIBRARY, which is made in a subdirectory. On +# systems without shared libraries, LDLIBRARY is the same as LIBRARY +# (defined in the Makefiles). On Cygwin LDLIBRARY is the import library, +# DLLLIBRARY is the shared (i.e., DLL) library. +# +# RUNSHARED is used to run shared python without installed libraries +# +# INSTSONAME is the name of the shared library that will be use to install +# on the system - some systems like version suffix, others don't +# +# LDVERSION is the shared library version number, normally the Python version +# with the ABI build flags appended. +AC_SUBST(LDLIBRARY) +AC_SUBST(DLLLIBRARY) +AC_SUBST(BLDLIBRARY) +AC_SUBST(PY3LIBRARY) +AC_SUBST(LDLIBRARYDIR) +AC_SUBST(INSTSONAME) +AC_SUBST(RUNSHARED) +AC_SUBST(LDVERSION) +LDLIBRARY="$LIBRARY" +BLDLIBRARY='$(LDLIBRARY)' +INSTSONAME='$(LDLIBRARY)' +DLLLIBRARY='' +LDLIBRARYDIR='' +RUNSHARED='' +LDVERSION="$VERSION" + +# LINKCC is the command that links the python executable -- default is $(CC). +# If CXX is set, and if it is needed to link a main function that was +# compiled with CXX, LINKCC is CXX instead. Always using CXX is undesirable: +# python might then depend on the C++ runtime +# This is altered for AIX in order to build the export list before +# linking. +AC_SUBST(LINKCC) +AC_MSG_CHECKING(LINKCC) +if test -z "$LINKCC" +then + LINKCC='$(PURIFY) $(MAINCC)' + case $ac_sys_system in + AIX*) + exp_extra="\"\"" + if test $ac_sys_release -ge 5 -o \ + $ac_sys_release -eq 4 -a `uname -r` -ge 2 ; then + exp_extra="." + fi + LINKCC="\$(srcdir)/Modules/makexp_aix Modules/python.exp $exp_extra \$(LIBRARY); $LINKCC";; + QNX*) + # qcc must be used because the other compilers do not + # support -N. + LINKCC=qcc;; + esac +fi +AC_MSG_RESULT($LINKCC) + +# GNULD is set to "yes" if the GNU linker is used. If this goes wrong +# make sure we default having it set to "no": this is used by +# distutils.unixccompiler to know if it should add --enable-new-dtags +# to linker command lines, and failing to detect GNU ld simply results +# in the same bahaviour as before. +AC_SUBST(GNULD) +AC_MSG_CHECKING(for GNU ld) +ac_prog=ld +if test "$GCC" = yes; then + ac_prog=`$CC -print-prog-name=ld` +fi +case `"$ac_prog" -V 2>&1 < /dev/null` in + *GNU*) + GNULD=yes;; + *) + GNULD=no;; +esac +AC_MSG_RESULT($GNULD) + +AC_C_INLINE +if test "$ac_cv_c_inline" != no ; then + AC_DEFINE(USE_INLINE, 1, [Define to use the C99 inline keyword.]) + AC_SUBST(USE_INLINE) +fi + + +AC_MSG_CHECKING(for --enable-shared) +AC_ARG_ENABLE(shared, + AS_HELP_STRING([--enable-shared], [disable/enable building shared python library])) + +if test -z "$enable_shared" +then + case $ac_sys_system in + CYGWIN*) + enable_shared="yes";; + *) + enable_shared="no";; + esac +fi +AC_MSG_RESULT($enable_shared) + +AC_MSG_CHECKING(for --enable-profiling) +AC_ARG_ENABLE(profiling, + AS_HELP_STRING([--enable-profiling], [enable C-level code profiling]), +[ac_save_cc="$CC" + CC="$CC -pg" + AC_RUN_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], + [ac_enable_profiling="yes"], + [ac_enable_profiling="no"], + [ac_enable_profiling="no"]) + CC="$ac_save_cc"]) +AC_MSG_RESULT($ac_enable_profiling) + +case "$ac_enable_profiling" in + "yes") + BASECFLAGS="-pg $BASECFLAGS" + LDFLAGS="-pg $LDFLAGS" + ;; +esac + +AC_MSG_CHECKING(LDLIBRARY) + +# MacOSX framework builds need more magic. LDLIBRARY is the dynamic +# library that we build, but we do not want to link against it (we +# will find it with a -framework option). For this reason there is an +# extra variable BLDLIBRARY against which Python and the extension +# modules are linked, BLDLIBRARY. This is normally the same as +# LDLIBRARY, but empty for MacOSX framework builds. +if test "$enable_framework" +then + LDLIBRARY='$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' + RUNSHARED=DYLD_FRAMEWORK_PATH="`pwd`:$DYLD_FRAMEWORK_PATH" + BLDLIBRARY='' +else + BLDLIBRARY='$(LDLIBRARY)' +fi + +# Other platforms follow +if test $enable_shared = "yes"; then + AC_DEFINE(Py_ENABLE_SHARED, 1, [Defined if Python is built as a shared library.]) + case $ac_sys_system in + CYGWIN*) + LDLIBRARY='libpython$(LDVERSION).dll.a' + DLLLIBRARY='libpython$(LDVERSION).dll' + ;; + SunOS*) + LDLIBRARY='libpython$(LDVERSION).so' + BLDLIBRARY='-Wl,-R,$(LIBDIR) -L. -lpython$(LDVERSION)' + RUNSHARED=LD_LIBRARY_PATH=`pwd`:${LD_LIBRARY_PATH} + INSTSONAME="$LDLIBRARY".$SOVERSION + if test "$with_pydebug" != yes + then + PY3LIBRARY=libpython3.so + fi + ;; + Linux*|GNU*|NetBSD*|FreeBSD*|DragonFly*|OpenBSD*) + LDLIBRARY='libpython$(LDVERSION).so' + BLDLIBRARY='-L. -lpython$(LDVERSION)' + RUNSHARED=LD_LIBRARY_PATH=`pwd`:${LD_LIBRARY_PATH} + case $ac_sys_system in + FreeBSD*) + SOVERSION=`echo $SOVERSION|cut -d "." -f 1` + ;; + esac + INSTSONAME="$LDLIBRARY".$SOVERSION + if test "$with_pydebug" != yes + then + PY3LIBRARY=libpython3.so + fi + ;; + hp*|HP*) + case `uname -m` in + ia64) + LDLIBRARY='libpython$(LDVERSION).so' + ;; + *) + LDLIBRARY='libpython$(LDVERSION).sl' + ;; + esac + BLDLIBRARY='-Wl,+b,$(LIBDIR) -L. -lpython$(LDVERSION)' + RUNSHARED=SHLIB_PATH=`pwd`:${SHLIB_PATH} + ;; + OSF*) + LDLIBRARY='libpython$(LDVERSION).so' + BLDLIBRARY='-rpath $(LIBDIR) -L. -lpython$(LDVERSION)' + RUNSHARED=LD_LIBRARY_PATH=`pwd`:${LD_LIBRARY_PATH} + ;; + Darwin*) + LDLIBRARY='libpython$(LDVERSION).dylib' + BLDLIBRARY='-L. -lpython$(LDVERSION)' + RUNSHARED='DYLD_LIBRARY_PATH=`pwd`:${DYLD_LIBRARY_PATH}' + ;; + AIX*) + LDLIBRARY='libpython$(LDVERSION).so' + RUNSHARED=LIBPATH=`pwd`:${LIBPATH} + ;; + + esac +else # shared is disabled + case $ac_sys_system in + CYGWIN*) + BLDLIBRARY='$(LIBRARY)' + LDLIBRARY='libpython$(LDVERSION).dll.a' + ;; + esac +fi + +AC_MSG_RESULT($LDLIBRARY) + +AC_PROG_RANLIB +AC_SUBST(AR) +AC_CHECK_PROGS(AR, ar aal, ar) + +# tweak ARFLAGS only if the user didn't set it on the command line +AC_SUBST(ARFLAGS) +if test -z "$ARFLAGS" +then + ARFLAGS="rc" +fi + +AC_SUBST(SVNVERSION) +AC_CHECK_PROG(SVNVERSION, svnversion, found, not-found) +if test $SVNVERSION = found +then + SVNVERSION="svnversion \$(srcdir)" +else + SVNVERSION="echo Unversioned directory" +fi + +AC_SUBST(HGVERSION) +AC_SUBST(HGTAG) +AC_SUBST(HGBRANCH) + +if test -e $srcdir/.hg/dirstate +then +AC_CHECK_PROG(HAS_HG, hg, found, not-found) +else +HAS_HG=no-repository +fi +if test $HAS_HG = found +then + HGVERSION="hg id -i \$(srcdir)" + HGTAG="hg id -t \$(srcdir)" + HGBRANCH="hg id -b \$(srcdir)" +else + HGVERSION="" + HGTAG="" + HGBRANCH="" +fi + +AC_SUBST(DISABLE_ASDLGEN) +DISABLE_ASDLGEN="" +AC_CHECK_PROG(HAS_PYTHON, python, found, not-found) +if test $HAS_HG != found -o $HAS_PYTHON != found +then + DISABLE_ASDLGEN="@echo hg: $HAS_HG, python: $HAS_PYTHON! cannot run \$(srcdir)/Parser/asdl_c.py #" +fi + + +case $MACHDEP in +bsdos*|hp*|HP*) + # install -d does not work on BSDI or HP-UX + if test -z "$INSTALL" + then + INSTALL="${srcdir}/install-sh -c" + fi +esac +AC_PROG_INSTALL + +# Not every filesystem supports hard links +AC_SUBST(LN) +if test -z "$LN" ; then + case $ac_sys_system in + CYGWIN*) LN="ln -s";; + *) LN=ln;; + esac +fi + +# For calculating the .so ABI tag. +AC_SUBST(ABIFLAGS) +ABIFLAGS="" + +# Check for --with-pydebug +AC_MSG_CHECKING(for --with-pydebug) +AC_ARG_WITH(pydebug, + AS_HELP_STRING([--with-pydebug], [build with Py_DEBUG defined]), +[ +if test "$withval" != no +then + AC_DEFINE(Py_DEBUG, 1, + [Define if you want to build an interpreter with many run-time checks.]) + AC_MSG_RESULT(yes); + Py_DEBUG='true' + ABIFLAGS="${ABIFLAGS}d" +else AC_MSG_RESULT(no); Py_DEBUG='false' +fi], +[AC_MSG_RESULT(no)]) + +# XXX Shouldn't the code above that fiddles with BASECFLAGS and OPT be +# merged with this chunk of code? + +# Optimizer/debugger flags +# ------------------------ +# (The following bit of code is complicated enough - please keep things +# indented properly. Just pretend you're editing Python code. ;-) + +# There are two parallel sets of case statements below, one that checks to +# see if OPT was set and one that does BASECFLAGS setting based upon +# compiler and platform. BASECFLAGS tweaks need to be made even if the +# user set OPT. + +# tweak OPT based on compiler and platform, only if the user didn't set +# it on the command line +AC_SUBST(OPT) +if test "${OPT-unset}" = "unset" +then + case $GCC in + yes) + if test "$CC" != 'g++' ; then + STRICT_PROTO="-Wstrict-prototypes" + fi + # For gcc 4.x we need to use -fwrapv so lets check if its supported + if "$CC" -v --help 2>/dev/null |grep -- -fwrapv > /dev/null; then + WRAP="-fwrapv" + fi + + # Clang also needs -fwrapv + case $CC in + *clang*) WRAP="-fwrapv" + ;; + esac + + case $ac_cv_prog_cc_g in + yes) + if test "$Py_DEBUG" = 'true' ; then + # Optimization messes up debuggers, so turn it off for + # debug builds. + OPT="-g -O0 -Wall $STRICT_PROTO" + else + OPT="-g $WRAP -O3 -Wall $STRICT_PROTO" + fi + ;; + *) + OPT="-O3 -Wall $STRICT_PROTO" + ;; + esac + case $ac_sys_system in + SCO_SV*) OPT="$OPT -m486 -DSCO5" + ;; + esac + ;; + + *) + OPT="-O" + ;; + esac +fi + +AC_SUBST(BASECFLAGS) + +# The -arch flags for universal builds on OSX +UNIVERSAL_ARCH_FLAGS= +AC_SUBST(UNIVERSAL_ARCH_FLAGS) + +# tweak BASECFLAGS based on compiler and platform +case $GCC in +yes) + # Python doesn't violate C99 aliasing rules, but older versions of + # GCC produce warnings for legal Python code. Enable + # -fno-strict-aliasing on versions of GCC that support but produce + # warnings. See Issue3326 + AC_MSG_CHECKING(whether $CC accepts and needs -fno-strict-aliasing) + ac_save_cc="$CC" + CC="$CC -fno-strict-aliasing" + save_CFLAGS="$CFLAGS" + AC_CACHE_VAL(ac_cv_no_strict_aliasing, + AC_COMPILE_IFELSE( + [ + AC_LANG_PROGRAM([[]], [[]]) + ],[ + CC="$ac_save_cc -fstrict-aliasing" + CFLAGS="$CFLAGS -Werror -Wstrict-aliasing" + AC_COMPILE_IFELSE( + [ + AC_LANG_PROGRAM([[void f(int **x) {}]], + [[double *x; f((int **) &x);]]) + ],[ + ac_cv_no_strict_aliasing=no + ],[ + ac_cv_no_strict_aliasing=yes + ]) + ],[ + ac_cv_no_strict_aliasing=no + ])) + CFLAGS="$save_CFLAGS" + CC="$ac_save_cc" + AC_MSG_RESULT($ac_cv_no_strict_aliasing) + if test $ac_cv_no_strict_aliasing = yes + then + BASECFLAGS="$BASECFLAGS -fno-strict-aliasing" + fi + + # if using gcc on alpha, use -mieee to get (near) full IEEE 754 + # support. Without this, treatment of subnormals doesn't follow + # the standard. + case $ac_sys_machine in + alpha*) + BASECFLAGS="$BASECFLAGS -mieee" + ;; + esac + + case $ac_sys_system in + SCO_SV*) + BASECFLAGS="$BASECFLAGS -m486 -DSCO5" + ;; + # is there any other compiler on Darwin besides gcc? + Darwin*) + # -Wno-long-double, -no-cpp-precomp, and -mno-fused-madd + # used to be here, but non-Apple gcc doesn't accept them. + if test "${CC}" = gcc + then + AC_MSG_CHECKING(which compiler should be used) + case "${UNIVERSALSDK}" in + */MacOSX10.4u.sdk) + # Build using 10.4 SDK, force usage of gcc when the + # compiler is gcc, otherwise the user will get very + # confusing error messages when building on OSX 10.6 + CC=gcc-4.0 + CPP=cpp-4.0 + ;; + esac + AC_MSG_RESULT($CC) + fi + + + if test "${enable_universalsdk}"; then + UNIVERSAL_ARCH_FLAGS="" + if test "$UNIVERSAL_ARCHS" = "32-bit" ; then + UNIVERSAL_ARCH_FLAGS="-arch ppc -arch i386" + ARCH_RUN_32BIT="" + LIPO_32BIT_FLAGS="" + elif test "$UNIVERSAL_ARCHS" = "64-bit" ; then + UNIVERSAL_ARCH_FLAGS="-arch ppc64 -arch x86_64" + LIPO_32BIT_FLAGS="" + ARCH_RUN_32BIT="true" + + elif test "$UNIVERSAL_ARCHS" = "all" ; then + UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch ppc64 -arch x86_64" + LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386" + ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc" + + elif test "$UNIVERSAL_ARCHS" = "intel" ; then + UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64" + LIPO_32BIT_FLAGS="-extract i386" + ARCH_RUN_32BIT="/usr/bin/arch -i386" + + elif test "$UNIVERSAL_ARCHS" = "3-way" ; then + UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64" + LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386" + ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc" + + else + AC_MSG_ERROR([proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way]) + + fi + + + CFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${CFLAGS}" + if test "${UNIVERSALSDK}" != "/" + then + CFLAGS="-isysroot ${UNIVERSALSDK} ${CFLAGS}" + LDFLAGS="-isysroot ${UNIVERSALSDK} ${LDFLAGS}" + CPPFLAGS="-isysroot ${UNIVERSALSDK} ${CPPFLAGS}" + fi + fi + + # Calculate the right deployment target for this build. + # + cur_target=`sw_vers -productVersion | sed 's/\(10\.[[0-9]]*\).*/\1/'` + if test ${cur_target} '>' 10.2; then + cur_target=10.3 + if test ${enable_universalsdk}; then + if test "${UNIVERSAL_ARCHS}" = "all"; then + # Ensure that the default platform for a + # 4-way universal build is OSX 10.5, + # that's the first OS release where + # 4-way builds make sense. + cur_target='10.5' + + elif test "${UNIVERSAL_ARCHS}" = "3-way"; then + cur_target='10.5' + + elif test "${UNIVERSAL_ARCHS}" = "intel"; then + cur_target='10.5' + + elif test "${UNIVERSAL_ARCHS}" = "64-bit"; then + cur_target='10.5' + fi + else + if test `/usr/bin/arch` = "i386"; then + # On Intel macs default to a deployment + # target of 10.4, that's the first OSX + # release with Intel support. + cur_target="10.4" + fi + fi + fi + CONFIGURE_MACOSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET-${cur_target}} + + # Make sure that MACOSX_DEPLOYMENT_TARGET is set in the + # environment with a value that is the same as what we'll use + # in the Makefile to ensure that we'll get the same compiler + # environment during configure and build time. + MACOSX_DEPLOYMENT_TARGET="$CONFIGURE_MACOSX_DEPLOYMENT_TARGET" + export MACOSX_DEPLOYMENT_TARGET + EXPORT_MACOSX_DEPLOYMENT_TARGET='' + + ;; + OSF*) + BASECFLAGS="$BASECFLAGS -mieee" + ;; + esac + ;; + +*) + case $ac_sys_system in + OpenUNIX*|UnixWare*) + BASECFLAGS="$BASECFLAGS -K pentium,host,inline,loop_unroll,alloca " + ;; + OSF*) + BASECFLAGS="$BASECFLAGS -ieee -std" + ;; + SCO_SV*) + BASECFLAGS="$BASECFLAGS -belf -Ki486 -DSCO5" + ;; + esac + ;; +esac + +if test "$Py_DEBUG" = 'true'; then + : +else + OPT="-DNDEBUG $OPT" +fi + +if test "$ac_arch_flags" +then + BASECFLAGS="$BASECFLAGS $ac_arch_flags" +fi + +# Check whether GCC supports PyArg_ParseTuple format +if test "$GCC" = "yes" +then + AC_MSG_CHECKING(whether gcc supports ParseTuple __format__) + save_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS -Werror" + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[void f(char*,...)__attribute((format(PyArg_ParseTuple, 1, 2)));]], [[]]) + ],[ + AC_DEFINE(HAVE_ATTRIBUTE_FORMAT_PARSETUPLE, 1, + [Define if GCC supports __attribute__((format(PyArg_ParseTuple, 2, 3)))]) + AC_MSG_RESULT(yes) + ],[ + AC_MSG_RESULT(no) + ]) + CFLAGS=$save_CFLAGS +fi + +# On some compilers, pthreads are available without further options +# (e.g. MacOS X). On some of these systems, the compiler will not +# complain if unaccepted options are passed (e.g. gcc on Mac OS X). +# So we have to see first whether pthreads are available without +# options before we can check whether -Kpthread improves anything. +AC_MSG_CHECKING(whether pthreads are available without options) +AC_CACHE_VAL(ac_cv_pthread_is_default, +[AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <pthread.h> + +void* routine(void* p){return NULL;} + +int main(){ + pthread_t p; + if(pthread_create(&p,NULL,routine,NULL)!=0) + return 1; + (void)pthread_detach(p); + return 0; +} +]])],[ + ac_cv_pthread_is_default=yes + ac_cv_kthread=no + ac_cv_pthread=no +],[ac_cv_pthread_is_default=no],[ac_cv_pthread_is_default=no]) +]) +AC_MSG_RESULT($ac_cv_pthread_is_default) + + +if test $ac_cv_pthread_is_default = yes +then + ac_cv_kpthread=no +else +# -Kpthread, if available, provides the right #defines +# and linker options to make pthread_create available +# Some compilers won't report that they do not support -Kpthread, +# so we need to run a program to see whether it really made the +# function available. +AC_MSG_CHECKING(whether $CC accepts -Kpthread) +AC_CACHE_VAL(ac_cv_kpthread, +[ac_save_cc="$CC" +CC="$CC -Kpthread" +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <pthread.h> + +void* routine(void* p){return NULL;} + +int main(){ + pthread_t p; + if(pthread_create(&p,NULL,routine,NULL)!=0) + return 1; + (void)pthread_detach(p); + return 0; +} +]])],[ac_cv_kpthread=yes],[ac_cv_kpthread=no],[ac_cv_kpthread=no]) +CC="$ac_save_cc"]) +AC_MSG_RESULT($ac_cv_kpthread) +fi + +if test $ac_cv_kpthread = no -a $ac_cv_pthread_is_default = no +then +# -Kthread, if available, provides the right #defines +# and linker options to make pthread_create available +# Some compilers won't report that they do not support -Kthread, +# so we need to run a program to see whether it really made the +# function available. +AC_MSG_CHECKING(whether $CC accepts -Kthread) +AC_CACHE_VAL(ac_cv_kthread, +[ac_save_cc="$CC" +CC="$CC -Kthread" +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <pthread.h> + +void* routine(void* p){return NULL;} + +int main(){ + pthread_t p; + if(pthread_create(&p,NULL,routine,NULL)!=0) + return 1; + (void)pthread_detach(p); + return 0; +} +]])],[ac_cv_kthread=yes],[ac_cv_kthread=no],[ac_cv_kthread=no]) +CC="$ac_save_cc"]) +AC_MSG_RESULT($ac_cv_kthread) +fi + +if test $ac_cv_kthread = no -a $ac_cv_pthread_is_default = no +then +# -pthread, if available, provides the right #defines +# and linker options to make pthread_create available +# Some compilers won't report that they do not support -pthread, +# so we need to run a program to see whether it really made the +# function available. +AC_MSG_CHECKING(whether $CC accepts -pthread) +AC_CACHE_VAL(ac_cv_thread, +[ac_save_cc="$CC" +CC="$CC -pthread" +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <pthread.h> + +void* routine(void* p){return NULL;} + +int main(){ + pthread_t p; + if(pthread_create(&p,NULL,routine,NULL)!=0) + return 1; + (void)pthread_detach(p); + return 0; +} +]])],[ac_cv_pthread=yes],[ac_cv_pthread=no],[ac_cv_pthread=no]) +CC="$ac_save_cc"]) +AC_MSG_RESULT($ac_cv_pthread) +fi + +# If we have set a CC compiler flag for thread support then +# check if it works for CXX, too. +ac_cv_cxx_thread=no +if test ! -z "$CXX" +then +AC_MSG_CHECKING(whether $CXX also accepts flags for thread support) +ac_save_cxx="$CXX" + +if test "$ac_cv_kpthread" = "yes" +then + CXX="$CXX -Kpthread" + ac_cv_cxx_thread=yes +elif test "$ac_cv_kthread" = "yes" +then + CXX="$CXX -Kthread" + ac_cv_cxx_thread=yes +elif test "$ac_cv_pthread" = "yes" +then + CXX="$CXX -pthread" + ac_cv_cxx_thread=yes +fi + +if test $ac_cv_cxx_thread = yes +then + echo 'void foo();int main(){foo();}void foo(){}' > conftest.$ac_ext + $CXX -c conftest.$ac_ext 2>&5 + if $CXX -o conftest$ac_exeext conftest.$ac_objext 2>&5 \ + && test -s conftest$ac_exeext && ./conftest$ac_exeext + then + ac_cv_cxx_thread=yes + else + ac_cv_cxx_thread=no + fi + rm -fr conftest* +fi +AC_MSG_RESULT($ac_cv_cxx_thread) +fi +CXX="$ac_save_cxx" + +dnl # check for ANSI or K&R ("traditional") preprocessor +dnl AC_MSG_CHECKING(for C preprocessor type) +dnl AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +dnl #define spam(name, doc) {#name, &name, #name "() -- " doc} +dnl int foo; +dnl struct {char *name; int *addr; char *doc;} desc = spam(foo, "something"); +dnl ]], [[;]])],[cpp_type=ansi],[AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional]) +dnl AC_MSG_RESULT($cpp_type) + +# checks for header files +AC_HEADER_STDC +AC_CHECK_HEADERS(asm/types.h conio.h curses.h direct.h dlfcn.h errno.h \ +fcntl.h grp.h \ +ieeefp.h io.h langinfo.h libintl.h ncurses.h poll.h process.h pthread.h \ +shadow.h signal.h stdint.h stropts.h termios.h thread.h \ +unistd.h utime.h \ +sys/audioio.h sys/bsdtty.h sys/epoll.h sys/event.h sys/file.h sys/loadavg.h \ +sys/lock.h sys/mkdev.h sys/modem.h \ +sys/param.h sys/poll.h sys/select.h sys/socket.h sys/statvfs.h sys/stat.h \ +sys/syscall.h sys/termio.h sys/time.h \ +sys/times.h sys/types.h sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h \ +sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \ +bluetooth/bluetooth.h linux/tipc.h spawn.h util.h) +AC_HEADER_DIRENT +AC_HEADER_MAJOR + +# On Solaris, term.h requires curses.h +AC_CHECK_HEADERS(term.h,,,[ +#ifdef HAVE_CURSES_H +#include <curses.h> +#endif +]) + +# On Linux, netlink.h requires asm/types.h +AC_CHECK_HEADERS(linux/netlink.h,,,[ +#ifdef HAVE_ASM_TYPES_H +#include <asm/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +]) + +# checks for typedefs +was_it_defined=no +AC_MSG_CHECKING(for clock_t in time.h) +AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, [ + AC_DEFINE(clock_t, long, [Define to 'long' if <time.h> doesn't define.]) +]) +AC_MSG_RESULT($was_it_defined) + +# Check whether using makedev requires defining _OSF_SOURCE +AC_MSG_CHECKING(for makedev) +AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#if defined(MAJOR_IN_MKDEV) +#include <sys/mkdev.h> +#elif defined(MAJOR_IN_SYSMACROS) +#include <sys/sysmacros.h> +#else +#include <sys/types.h> +#endif +]], [[ + makedev(0, 0) ]]) +],[ac_cv_has_makedev=yes],[ac_cv_has_makedev=no]) +if test "$ac_cv_has_makedev" = "no"; then + # we didn't link, try if _OSF_SOURCE will allow us to link + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#define _OSF_SOURCE 1 +#include <sys/types.h> + ]], + [[ makedev(0, 0) ]])], + [ac_cv_has_makedev=yes], + [ac_cv_has_makedev=no]) + if test "$ac_cv_has_makedev" = "yes"; then + AC_DEFINE(_OSF_SOURCE, 1, [Define _OSF_SOURCE to get the makedev macro.]) + fi +fi +AC_MSG_RESULT($ac_cv_has_makedev) +if test "$ac_cv_has_makedev" = "yes"; then + AC_DEFINE(HAVE_MAKEDEV, 1, [Define this if you have the makedev macro.]) +fi + +# Enabling LFS on Solaris (2.6 to 9) with gcc 2.95 triggers a bug in +# the system headers: If _XOPEN_SOURCE and _LARGEFILE_SOURCE are +# defined, but the compiler does not support pragma redefine_extname, +# and _LARGEFILE64_SOURCE is not defined, the headers refer to 64-bit +# structures (such as rlimit64) without declaring them. As a +# work-around, disable LFS on such configurations + +use_lfs=yes +AC_MSG_CHECKING(Solaris LFS bug) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#define _LARGEFILE_SOURCE 1 +#define _FILE_OFFSET_BITS 64 +#include <sys/resource.h> +]], [[struct rlimit foo;]])],[sol_lfs_bug=no],[sol_lfs_bug=yes]) +AC_MSG_RESULT($sol_lfs_bug) +if test "$sol_lfs_bug" = "yes"; then + use_lfs=no +fi + +if test "$use_lfs" = "yes"; then +# Two defines needed to enable largefile support on various platforms +# These may affect some typedefs +case $ac_sys_system/$ac_sys_release in +AIX*) + AC_DEFINE(_LARGE_FILES, 1, + [This must be defined on AIX systems to enable large file support.]) + ;; +esac +AC_DEFINE(_LARGEFILE_SOURCE, 1, +[This must be defined on some systems to enable large file support.]) +AC_DEFINE(_FILE_OFFSET_BITS, 64, +[This must be set to 64 on some systems to enable large file support.]) +fi + +# Add some code to confdefs.h so that the test for off_t works on SCO +cat >> confdefs.h <<\EOF +#if defined(SCO_DS) +#undef _OFF_T +#endif +EOF + +# Type availability checks +AC_TYPE_MODE_T +AC_TYPE_OFF_T +AC_TYPE_PID_T +AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[assume C89 semantics that RETSIGTYPE is always void]) +AC_TYPE_SIZE_T +AC_TYPE_UID_T +AC_TYPE_UINT32_T +AC_TYPE_UINT64_T +AC_TYPE_INT32_T +AC_TYPE_INT64_T +AC_CHECK_TYPE(ssize_t, + AC_DEFINE(HAVE_SSIZE_T, 1, [Define if your compiler provides ssize_t]),,) + +# Sizes of various common basic types +# ANSI C requires sizeof(char) == 1, so no need to check it +AC_CHECK_SIZEOF(int, 4) +AC_CHECK_SIZEOF(long, 4) +AC_CHECK_SIZEOF(void *, 4) +AC_CHECK_SIZEOF(short, 2) +AC_CHECK_SIZEOF(float, 4) +AC_CHECK_SIZEOF(double, 8) +AC_CHECK_SIZEOF(fpos_t, 4) +AC_CHECK_SIZEOF(size_t, 4) +AC_CHECK_SIZEOF(pid_t, 4) + +AC_MSG_CHECKING(for long long support) +have_long_long=no +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[long long x; x = (long long)0;]])],[ + AC_DEFINE(HAVE_LONG_LONG, 1, [Define this if you have the type long long.]) + have_long_long=yes +],[]) +AC_MSG_RESULT($have_long_long) +if test "$have_long_long" = yes ; then +AC_CHECK_SIZEOF(long long, 8) +fi + +AC_MSG_CHECKING(for long double support) +have_long_double=no +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[long double x; x = (long double)0;]])],[ + AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define this if you have the type long double.]) + have_long_double=yes +],[]) +AC_MSG_RESULT($have_long_double) +if test "$have_long_double" = yes ; then +AC_CHECK_SIZEOF(long double, 16) +fi + + +AC_MSG_CHECKING(for _Bool support) +have_c99_bool=no +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[_Bool x; x = (_Bool)0;]])],[ + AC_DEFINE(HAVE_C99_BOOL, 1, [Define this if you have the type _Bool.]) + have_c99_bool=yes +],[]) +AC_MSG_RESULT($have_c99_bool) +if test "$have_c99_bool" = yes ; then +AC_CHECK_SIZEOF(_Bool, 1) +fi + +AC_CHECK_TYPES(uintptr_t, + [AC_CHECK_SIZEOF(uintptr_t, 4)], + [], [#ifdef HAVE_STDINT_H + #include <stdint.h> + #endif + #ifdef HAVE_INTTYPES_H + #include <inttypes.h> + #endif]) + +AC_CHECK_SIZEOF(off_t, [], [ +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +]) + +AC_MSG_CHECKING(whether to enable large file support) +if test "$have_long_long" = yes +then +if test "$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \ + "$ac_cv_sizeof_long_long" -ge "$ac_cv_sizeof_off_t"; then + AC_DEFINE(HAVE_LARGEFILE_SUPPORT, 1, + [Defined to enable large file support when an off_t is bigger than a long + and long long is available and at least as big as an off_t. You may need + to add some flags for configuration and compilation to enable this mode. + (For Solaris and Linux, the necessary defines are already defined.)]) + AC_MSG_RESULT(yes) +else + AC_MSG_RESULT(no) +fi +else + AC_MSG_RESULT(no) +fi + +AC_CHECK_SIZEOF(time_t, [], [ +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_TIME_H +#include <time.h> +#endif +]) + +# if have pthread_t then define SIZEOF_PTHREAD_T +ac_save_cc="$CC" +if test "$ac_cv_kpthread" = "yes" +then CC="$CC -Kpthread" +elif test "$ac_cv_kthread" = "yes" +then CC="$CC -Kthread" +elif test "$ac_cv_pthread" = "yes" +then CC="$CC -pthread" +fi + +AC_MSG_CHECKING(for pthread_t) +have_pthread_t=no +AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[#include <pthread.h>]], [[pthread_t x; x = *(pthread_t*)0;]]) +],[have_pthread_t=yes],[]) +AC_MSG_RESULT($have_pthread_t) +if test "$have_pthread_t" = yes ; then + AC_CHECK_SIZEOF(pthread_t, [], [ +#ifdef HAVE_PTHREAD_H +#include <pthread.h> +#endif + ]) +fi +CC="$ac_save_cc" + +AC_SUBST(OTHER_LIBTOOL_OPT) +case $ac_sys_system/$ac_sys_release in + Darwin/@<:@01567@:>@\..*) + OTHER_LIBTOOL_OPT="-prebind -seg1addr 0x10000000" + ;; + Darwin/*) + OTHER_LIBTOOL_OPT="" + ;; +esac + + +ARCH_RUN_32BIT="" +AC_SUBST(LIBTOOL_CRUFT) +case $ac_sys_system/$ac_sys_release in + Darwin/@<:@01567@:>@\..*) + LIBTOOL_CRUFT="-framework System -lcc_dynamic" + if test "${enable_universalsdk}"; then + : + else + LIBTOOL_CRUFT="${LIBTOOL_CRUFT} -arch_only `/usr/bin/arch`" + fi + LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' + LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';; + Darwin/*) + gcc_version=`gcc -dumpversion` + if test ${gcc_version} '<' 4.0 + then + LIBTOOL_CRUFT="-lcc_dynamic" + else + LIBTOOL_CRUFT="" + fi + AC_RUN_IFELSE([AC_LANG_SOURCE([[ + #include <unistd.h> + int main(int argc, char*argv[]) + { + if (sizeof(long) == 4) { + return 0; + } else { + return 1; + } + } + ]])],[ac_osx_32bit=yes],[ac_osx_32bit=no],[ac_osx_32bit=yes]) + + if test "${ac_osx_32bit}" = "yes"; then + case `/usr/bin/arch` in + i386) + MACOSX_DEFAULT_ARCH="i386" + ;; + ppc) + MACOSX_DEFAULT_ARCH="ppc" + ;; + *) + AC_MSG_ERROR([Unexpected output of 'arch' on OSX]) + ;; + esac + else + case `/usr/bin/arch` in + i386) + MACOSX_DEFAULT_ARCH="x86_64" + ;; + ppc) + MACOSX_DEFAULT_ARCH="ppc64" + ;; + *) + AC_MSG_ERROR([Unexpected output of 'arch' on OSX]) + ;; + esac + + #ARCH_RUN_32BIT="true" + fi + + LIBTOOL_CRUFT=$LIBTOOL_CRUFT" -lSystem -lSystemStubs -arch_only ${MACOSX_DEFAULT_ARCH}" + LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' + LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';; +esac + +AC_MSG_CHECKING(for --enable-framework) +if test "$enable_framework" +then + BASECFLAGS="$BASECFLAGS -fno-common -dynamic" + # -F. is needed to allow linking to the framework while + # in the build location. + AC_DEFINE(WITH_NEXT_FRAMEWORK, 1, + [Define if you want to produce an OpenStep/Rhapsody framework + (shared library plus accessory files).]) + AC_MSG_RESULT(yes) + if test $enable_shared = "yes" + then + AC_MSG_ERROR([Specifying both --enable-shared and --enable-framework is not supported, use only --enable-framework instead]) + fi +else + AC_MSG_RESULT(no) +fi + +AC_MSG_CHECKING(for dyld) +case $ac_sys_system/$ac_sys_release in + Darwin/*) + AC_DEFINE(WITH_DYLD, 1, + [Define if you want to use the new-style (Openstep, Rhapsody, MacOS) + dynamic linker (dyld) instead of the old-style (NextStep) dynamic + linker (rld). Dyld is necessary to support frameworks.]) + AC_MSG_RESULT(always on for Darwin) + ;; + *) + AC_MSG_RESULT(no) + ;; +esac + +# Set info about shared libraries. +AC_SUBST(SO) +AC_SUBST(LDSHARED) +AC_SUBST(LDCXXSHARED) +AC_SUBST(BLDSHARED) +AC_SUBST(CCSHARED) +AC_SUBST(LINKFORSHARED) + +AC_DEFINE_UNQUOTED(SHLIB_EXT, "$SO", [Define this to be extension of shared libraries (including the dot!).]) +# LDSHARED is the ld *command* used to create shared library +# -- "cc -G" on SunOS 5.x, "ld -shared" on IRIX 5 +# (Shared libraries in this instance are shared modules to be loaded into +# Python, as opposed to building Python itself as a shared library.) +AC_MSG_CHECKING(LDSHARED) +if test -z "$LDSHARED" +then + case $ac_sys_system/$ac_sys_release in + AIX*) + BLDSHARED="\$(srcdir)/Modules/ld_so_aix \$(CC) -bI:\$(srcdir)/Modules/python.exp" + LDSHARED="\$(BINLIBDEST)/config/ld_so_aix \$(CC) -bI:\$(BINLIBDEST)/config/python.exp" + ;; + IRIX/5*) LDSHARED="ld -shared";; + IRIX*/6*) LDSHARED="ld ${SGI_ABI} -shared -all";; + SunOS/5*) + if test "$GCC" = "yes" ; then + LDSHARED='$(CC) -shared' + LDCXXSHARED='$(CXX) -shared' + else + LDSHARED='$(CC) -G' + LDCXXSHARED='$(CXX) -G' + fi ;; + hp*|HP*) + if test "$GCC" = "yes" ; then + LDSHARED='$(CC) -shared' + LDCXXSHARED='$(CXX) -shared' + else + LDSHARED='ld -b' + fi ;; + OSF*) LDSHARED="ld -shared -expect_unresolved \"*\"";; + Darwin/1.3*) + LDSHARED='$(CC) -bundle' + LDCXXSHARED='$(CXX) -bundle' + if test "$enable_framework" ; then + # Link against the framework. All externals should be defined. + BLDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' + LDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' + LDCXXSHARED="$LDCXXSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' + else + # No framework. Ignore undefined symbols, assuming they come from Python + LDSHARED="$LDSHARED -undefined suppress" + LDCXXSHARED="$LDCXXSHARED -undefined suppress" + fi ;; + Darwin/1.4*|Darwin/5.*|Darwin/6.*) + LDSHARED='$(CC) -bundle' + LDCXXSHARED='$(CXX) -bundle' + if test "$enable_framework" ; then + # Link against the framework. All externals should be defined. + BLDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' + LDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' + LDCXXSHARED="$LDCXXSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' + else + # No framework, use the Python app as bundle-loader + BLDSHARED="$LDSHARED "'-bundle_loader $(BUILDPYTHON)' + LDSHARED="$LDSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)' + LDCXXSHARED="$LDCXXSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)' + fi ;; + Darwin/*) + # Use -undefined dynamic_lookup whenever possible (10.3 and later). + # This allows an extension to be used in any Python + + if test ${MACOSX_DEPLOYMENT_TARGET} '>' 10.2 + then + if test "${enable_universalsdk}"; then + LDFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${LDFLAGS}" + fi + LDSHARED='$(CC) -bundle -undefined dynamic_lookup' + LDCXXSHARED='$(CXX) -bundle -undefined dynamic_lookup' + BLDSHARED="$LDSHARED" + else + LDSHARED='$(CC) -bundle' + LDCXXSHARED='$(CXX) -bundle' + if test "$enable_framework" ; then + # Link against the framework. All externals should be defined. + BLDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' + LDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' + LDCXXSHARED="$LDCXXSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' + else + # No framework, use the Python app as bundle-loader + BLDSHARED="$LDSHARED "'-bundle_loader $(BUILDPYTHON)' + LDSHARED="$LDSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)' + LDCXXSHARED="$LDCXXSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)' + fi + fi + ;; + Linux*|GNU*|QNX*) + LDSHARED='$(CC) -shared' + LDCXXSHARED='$(CXX) -shared';; + BSD/OS*/4*) + LDSHARED="gcc -shared" + LDCXXSHARED="g++ -shared";; + FreeBSD*) + if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]] + then + LDSHARED='$(CC) -shared' + LDCXXSHARED='$(CXX) -shared' + else + LDSHARED="ld -Bshareable" + fi;; + OpenBSD*) + if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]] + then + LDSHARED='$(CC) -shared $(CCSHARED)' + LDCXXSHARED='$(CXX) -shared $(CCSHARED)' + else + case `uname -r` in + [[01]].* | 2.[[0-7]] | 2.[[0-7]].*) + LDSHARED="ld -Bshareable ${LDFLAGS}" + ;; + *) + LDSHARED='$(CC) -shared $(CCSHARED)' + LDCXXSHARED='$(CXX) -shared $(CCSHARED)' + ;; + esac + fi;; + NetBSD*|DragonFly*) + LDSHARED='$(CC) -shared' + LDCXXSHARED='$(CXX) -shared';; + OpenUNIX*|UnixWare*) + if test "$GCC" = "yes" ; then + LDSHARED='$(CC) -shared' + LDCXXSHARED='$(CXX) -shared' + else + LDSHARED='$(CC) -G' + LDCXXSHARED='$(CXX) -G' + fi;; + SCO_SV*) + LDSHARED='$(CC) -Wl,-G,-Bexport' + LDCXXSHARED='$(CXX) -Wl,-G,-Bexport';; + CYGWIN*) + LDSHARED="gcc -shared -Wl,--enable-auto-image-base" + LDCXXSHARED="g++ -shared -Wl,--enable-auto-image-base";; + *) LDSHARED="ld";; + esac +fi +AC_MSG_RESULT($LDSHARED) +LDCXXSHARED=${LDCXXSHARED-$LDSHARED} +BLDSHARED=${BLDSHARED-$LDSHARED} +# CCSHARED are the C *flags* used to create objects to go into a shared +# library (module) -- this is only needed for a few systems +AC_MSG_CHECKING(CCSHARED) +if test -z "$CCSHARED" +then + case $ac_sys_system/$ac_sys_release in + SunOS*) if test "$GCC" = yes; + then CCSHARED="-fPIC"; + elif test `uname -p` = sparc; + then CCSHARED="-xcode=pic32"; + else CCSHARED="-Kpic"; + fi;; + hp*|HP*) if test "$GCC" = yes; + then CCSHARED="-fPIC"; + else CCSHARED="+z"; + fi;; + Linux*|GNU*) CCSHARED="-fPIC";; + BSD/OS*/4*) CCSHARED="-fpic";; + FreeBSD*|NetBSD*|OpenBSD*|DragonFly*) CCSHARED="-fPIC";; + OpenUNIX*|UnixWare*) + if test "$GCC" = "yes" + then CCSHARED="-fPIC" + else CCSHARED="-KPIC" + fi;; + SCO_SV*) + if test "$GCC" = "yes" + then CCSHARED="-fPIC" + else CCSHARED="-Kpic -belf" + fi;; + IRIX*/6*) case $CC in + *gcc*) CCSHARED="-shared";; + *) CCSHARED="";; + esac;; + esac +fi +AC_MSG_RESULT($CCSHARED) +# LINKFORSHARED are the flags passed to the $(CC) command that links +# the python executable -- this is only needed for a few systems +AC_MSG_CHECKING(LINKFORSHARED) +if test -z "$LINKFORSHARED" +then + case $ac_sys_system/$ac_sys_release in + AIX*) LINKFORSHARED='-Wl,-bE:Modules/python.exp -lld';; + hp*|HP*) + LINKFORSHARED="-Wl,-E -Wl,+s";; +# LINKFORSHARED="-Wl,-E -Wl,+s -Wl,+b\$(BINLIBDEST)/lib-dynload";; + BSD/OS/4*) LINKFORSHARED="-Xlinker -export-dynamic";; + Linux*|GNU*) LINKFORSHARED="-Xlinker -export-dynamic";; + # -u libsys_s pulls in all symbols in libsys + Darwin/*) + LINKFORSHARED="$extra_undefs -framework CoreFoundation" + if test "$enable_framework" + then + LINKFORSHARED="$LINKFORSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' + fi + LINKFORSHARED="$LINKFORSHARED";; + OpenUNIX*|UnixWare*) LINKFORSHARED="-Wl,-Bexport";; + SCO_SV*) LINKFORSHARED="-Wl,-Bexport";; + ReliantUNIX*) LINKFORSHARED="-W1 -Blargedynsym";; + FreeBSD*|NetBSD*|OpenBSD*|DragonFly*) + if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]] + then + LINKFORSHARED="-Wl,--export-dynamic" + fi;; + SunOS/5*) case $CC in + *gcc*) + if $CC -Xlinker --help 2>&1 | grep export-dynamic >/dev/null + then + LINKFORSHARED="-Xlinker --export-dynamic" + fi;; + esac;; + CYGWIN*) + if test $enable_shared = "no" + then + LINKFORSHARED='-Wl,--out-implib=$(LDLIBRARY)' + fi;; + QNX*) + # -Wl,-E causes the symbols to be added to the dynamic + # symbol table so that they can be found when a module + # is loaded. -N 2048K causes the stack size to be set + # to 2048 kilobytes so that the stack doesn't overflow + # when running test_compile.py. + LINKFORSHARED='-Wl,-E -N 2048K';; + esac +fi +AC_MSG_RESULT($LINKFORSHARED) + + +AC_SUBST(CFLAGSFORSHARED) +AC_MSG_CHECKING(CFLAGSFORSHARED) +if test ! "$LIBRARY" = "$LDLIBRARY" +then + case $ac_sys_system in + CYGWIN*) + # Cygwin needs CCSHARED when building extension DLLs + # but not when building the interpreter DLL. + CFLAGSFORSHARED='';; + *) + CFLAGSFORSHARED='$(CCSHARED)' + esac +fi +AC_MSG_RESULT($CFLAGSFORSHARED) + +# SHLIBS are libraries (except -lc and -lm) to link to the python shared +# library (with --enable-shared). +# For platforms on which shared libraries are not allowed to have unresolved +# symbols, this must be set to $(LIBS) (expanded by make). We do this even +# if it is not required, since it creates a dependency of the shared library +# to LIBS. This, in turn, means that applications linking the shared libpython +# don't need to link LIBS explicitly. The default should be only changed +# on systems where this approach causes problems. +AC_SUBST(SHLIBS) +AC_MSG_CHECKING(SHLIBS) +case "$ac_sys_system" in + *) + SHLIBS='$(LIBS)';; +esac +AC_MSG_RESULT($SHLIBS) + + +# checks for libraries +AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV +AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX + +# only check for sem_init if thread support is requested +if test "$with_threads" = "yes" -o -z "$with_threads"; then + AC_SEARCH_LIBS(sem_init, pthread rt posix4) # 'Real Time' functions on Solaris + # posix4 on Solaris 2.6 + # pthread (first!) on Linux +fi + +# check if we need libintl for locale functions +AC_CHECK_LIB(intl, textdomain, + [AC_DEFINE(WITH_LIBINTL, 1, + [Define to 1 if libintl is needed for locale functions.]) + LIBS="-lintl $LIBS"]) + +# checks for system dependent C++ extensions support +case "$ac_sys_system" in + AIX*) AC_MSG_CHECKING(for genuine AIX C++ extensions support) + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([[#include <load.h>]], + [[loadAndInit("", 0, "")]]) + ],[ + AC_DEFINE(AIX_GENUINE_CPLUSPLUS, 1, + [Define for AIX if your compiler is a genuine IBM xlC/xlC_r + and you want support for AIX C++ shared extension modules.]) + AC_MSG_RESULT(yes) + ],[ + AC_MSG_RESULT(no) + ]);; + *) ;; +esac + +# Most SVR4 platforms (e.g. Solaris) need -lsocket and -lnsl. +AC_CHECK_LIB(nsl, t_open, [LIBS="-lnsl $LIBS"]) # SVR4 +AC_CHECK_LIB(socket, socket, [LIBS="-lsocket $LIBS"], [], $LIBS) # SVR4 sockets + +AC_MSG_CHECKING(for --with-libs) +AC_ARG_WITH(libs, + AS_HELP_STRING([--with-libs='lib1 ...'], [link against additional libs]), +[ +AC_MSG_RESULT($withval) +LIBS="$withval $LIBS" +], +[AC_MSG_RESULT(no)]) + +AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) + +# Check for use of the system expat library +AC_MSG_CHECKING(for --with-system-expat) +AC_ARG_WITH(system_expat, + AS_HELP_STRING([--with-system-expat], [build pyexpat module using an installed expat library]), + [], + [with_system_expat="no"]) + +AC_MSG_RESULT($with_system_expat) + +# Check for use of the system libffi library +AC_MSG_CHECKING(for --with-system-ffi) +AC_ARG_WITH(system_ffi, + AS_HELP_STRING([--with-system-ffi], [build _ctypes module using an installed ffi library]), + [], + [with_system_ffi="no"]) + +if test "$with_system_ffi" = "yes" && test -n "$PKG_CONFIG"; then + LIBFFI_INCLUDEDIR="`"$PKG_CONFIG" libffi --cflags-only-I 2>/dev/null | sed -e 's/^-I//;s/ *$//'`" +else + LIBFFI_INCLUDEDIR="" +fi +AC_SUBST(LIBFFI_INCLUDEDIR) + +AC_MSG_RESULT($with_system_ffi) + +# Check for support for loadable sqlite extensions +AC_MSG_CHECKING(for --enable-loadable-sqlite-extensions) +AC_ARG_ENABLE(loadable-sqlite-extensions, + AS_HELP_STRING([--enable-loadable-sqlite-extensions], [support loadable extensions in _sqlite module]), + [], + [enable_loadable_sqlite_extensions="no"]) + +AC_MSG_RESULT($enable_loadable_sqlite_extensions) + +# Check for --with-dbmliborder +AC_MSG_CHECKING(for --with-dbmliborder) +AC_ARG_WITH(dbmliborder, + AS_HELP_STRING([--with-dbmliborder=db1:db2:...], [order to check db backends for dbm. Valid value is a colon separated string with the backend names `ndbm', `gdbm' and `bdb'.]), +[ +if test x$with_dbmliborder = xyes +then +AC_MSG_ERROR([proper usage is --with-dbmliborder=db1:db2:...]) +else + for db in `echo $with_dbmliborder | sed 's/:/ /g'`; do + if test x$db != xndbm && test x$db != xgdbm && test x$db != xbdb + then + AC_MSG_ERROR([proper usage is --with-dbmliborder=db1:db2:...]) + fi + done +fi]) +AC_MSG_RESULT($with_dbmliborder) + +# Determine if signalmodule should be used. +AC_SUBST(USE_SIGNAL_MODULE) +AC_SUBST(SIGNAL_OBJS) +AC_MSG_CHECKING(for --with-signal-module) +AC_ARG_WITH(signal-module, + AS_HELP_STRING([--with-signal-module], [disable/enable signal module])) + +if test -z "$with_signal_module" +then with_signal_module="yes" +fi +AC_MSG_RESULT($with_signal_module) + +if test "${with_signal_module}" = "yes"; then + USE_SIGNAL_MODULE="" + SIGNAL_OBJS="" +else + USE_SIGNAL_MODULE="#" + SIGNAL_OBJS="Parser/intrcheck.o Python/sigcheck.o" +fi + +# This is used to generate Setup.config +AC_SUBST(USE_THREAD_MODULE) +USE_THREAD_MODULE="" + +AC_MSG_CHECKING(for --with-dec-threads) +AC_SUBST(LDLAST) +AC_ARG_WITH(dec-threads, + AS_HELP_STRING([--with-dec-threads], [use DEC Alpha/OSF1 thread-safe libraries]), +[ +AC_MSG_RESULT($withval) +LDLAST=-threads +if test "${with_thread+set}" != set; then + with_thread="$withval"; +fi], +[AC_MSG_RESULT(no)]) + +# Templates for things AC_DEFINEd more than once. +# For a single AC_DEFINE, no template is needed. +AH_TEMPLATE(C_THREADS,[Define if you have the Mach cthreads package]) +AH_TEMPLATE(_REENTRANT, + [Define to force use of thread-safe errno, h_errno, and other functions]) +AH_TEMPLATE(WITH_THREAD, + [Define if you want to compile in rudimentary thread support]) + +AC_MSG_CHECKING(for --with-threads) +dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output +AC_ARG_WITH(threads, + AS_HELP_STRING([--with(out)-threads@<:@=DIRECTORY@:>@], [disable/enable thread support])) + +# --with-thread is deprecated, but check for it anyway +dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output +AC_ARG_WITH(thread, + AS_HELP_STRING([--with(out)-thread@<:@=DIRECTORY@:>@], [deprecated; use --with(out)-threads]), + [with_threads=$with_thread]) + +if test -z "$with_threads" +then with_threads="yes" +fi +AC_MSG_RESULT($with_threads) + +AC_SUBST(THREADOBJ) +if test "$with_threads" = "no" +then + USE_THREAD_MODULE="#" +elif test "$ac_cv_pthread_is_default" = yes +then + AC_DEFINE(WITH_THREAD) + # Defining _REENTRANT on system with POSIX threads should not hurt. + AC_DEFINE(_REENTRANT) + posix_threads=yes + THREADOBJ="Python/thread.o" +elif test "$ac_cv_kpthread" = "yes" +then + CC="$CC -Kpthread" + if test "$ac_cv_cxx_thread" = "yes"; then + CXX="$CXX -Kpthread" + fi + AC_DEFINE(WITH_THREAD) + posix_threads=yes + THREADOBJ="Python/thread.o" +elif test "$ac_cv_kthread" = "yes" +then + CC="$CC -Kthread" + if test "$ac_cv_cxx_thread" = "yes"; then + CXX="$CXX -Kthread" + fi + AC_DEFINE(WITH_THREAD) + posix_threads=yes + THREADOBJ="Python/thread.o" +elif test "$ac_cv_pthread" = "yes" +then + CC="$CC -pthread" + if test "$ac_cv_cxx_thread" = "yes"; then + CXX="$CXX -pthread" + fi + AC_DEFINE(WITH_THREAD) + posix_threads=yes + THREADOBJ="Python/thread.o" +else + if test ! -z "$with_threads" -a -d "$with_threads" + then LDFLAGS="$LDFLAGS -L$with_threads" + fi + if test ! -z "$withval" -a -d "$withval" + then LDFLAGS="$LDFLAGS -L$withval" + fi + + # According to the POSIX spec, a pthreads implementation must + # define _POSIX_THREADS in unistd.h. Some apparently don't + # (e.g. gnu pth with pthread emulation) + AC_MSG_CHECKING(for _POSIX_THREADS in unistd.h) + AC_EGREP_CPP(yes, + [ +#include <unistd.h> +#ifdef _POSIX_THREADS +yes +#endif + ], unistd_defines_pthreads=yes, unistd_defines_pthreads=no) + AC_MSG_RESULT($unistd_defines_pthreads) + + AC_DEFINE(_REENTRANT) + AC_CHECK_HEADER(cthreads.h, [AC_DEFINE(WITH_THREAD) + AC_DEFINE(C_THREADS) + AC_DEFINE(HURD_C_THREADS, 1, + [Define if you are using Mach cthreads directly under /include]) + LIBS="$LIBS -lthreads" + THREADOBJ="Python/thread.o"],[ + AC_CHECK_HEADER(mach/cthreads.h, [AC_DEFINE(WITH_THREAD) + AC_DEFINE(C_THREADS) + AC_DEFINE(MACH_C_THREADS, 1, + [Define if you are using Mach cthreads under mach /]) + THREADOBJ="Python/thread.o"],[ + # Just looking for pthread_create in libpthread is not enough: + # on HP/UX, pthread.h renames pthread_create to a different symbol name. + # So we really have to include pthread.h, and then link. + _libs=$LIBS + LIBS="$LIBS -lpthread" + AC_MSG_CHECKING([for pthread_create in -lpthread]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h> + +void * start_routine (void *arg) { exit (0); }]], [[ +pthread_create (NULL, NULL, start_routine, NULL)]])],[ + AC_MSG_RESULT(yes) + AC_DEFINE(WITH_THREAD) + posix_threads=yes + THREADOBJ="Python/thread.o"],[ + LIBS=$_libs + AC_CHECK_FUNC(pthread_detach, [AC_DEFINE(WITH_THREAD) + posix_threads=yes + THREADOBJ="Python/thread.o"],[ + AC_CHECK_LIB(pthreads, pthread_create, [AC_DEFINE(WITH_THREAD) + posix_threads=yes + LIBS="$LIBS -lpthreads" + THREADOBJ="Python/thread.o"], [ + AC_CHECK_LIB(c_r, pthread_create, [AC_DEFINE(WITH_THREAD) + posix_threads=yes + LIBS="$LIBS -lc_r" + THREADOBJ="Python/thread.o"], [ + AC_CHECK_LIB(pthread, __pthread_create_system, [AC_DEFINE(WITH_THREAD) + posix_threads=yes + LIBS="$LIBS -lpthread" + THREADOBJ="Python/thread.o"], [ + AC_CHECK_LIB(cma, pthread_create, [AC_DEFINE(WITH_THREAD) + posix_threads=yes + LIBS="$LIBS -lcma" + THREADOBJ="Python/thread.o"],[ + USE_THREAD_MODULE="#"]) + ])])])])])])]) + + AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD) + LIBS="$LIBS -lmpc" + THREADOBJ="Python/thread.o" + USE_THREAD_MODULE=""]) + + if test "$posix_threads" != "yes"; then + AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD) + LIBS="$LIBS -lthread" + THREADOBJ="Python/thread.o" + USE_THREAD_MODULE=""]) + fi + + if test "$USE_THREAD_MODULE" != "#" + then + # If the above checks didn't disable threads, (at least) OSF1 + # needs this '-threads' argument during linking. + case $ac_sys_system in + OSF1) LDLAST=-threads;; + esac + fi +fi + +if test "$posix_threads" = "yes"; then + if test "$unistd_defines_pthreads" = "no"; then + AC_DEFINE(_POSIX_THREADS, 1, + [Define if you have POSIX threads, + and your system does not define that.]) + fi + + # Bug 662787: Using semaphores causes unexplicable hangs on Solaris 8. + case $ac_sys_system/$ac_sys_release in + SunOS/5.6) AC_DEFINE(HAVE_PTHREAD_DESTRUCTOR, 1, + [Defined for Solaris 2.6 bug in pthread header.]) + ;; + SunOS/5.8) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1, + [Define if the Posix semaphores do not work on your system]) + ;; + AIX/*) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1, + [Define if the Posix semaphores do not work on your system]) + ;; + esac + + AC_MSG_CHECKING(if PTHREAD_SCOPE_SYSTEM is supported) + AC_CACHE_VAL(ac_cv_pthread_system_supported, + [AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <pthread.h> + void *foo(void *parm) { + return NULL; + } + main() { + pthread_attr_t attr; + pthread_t id; + if (pthread_attr_init(&attr)) exit(-1); + if (pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM)) exit(-1); + if (pthread_create(&id, &attr, foo, NULL)) exit(-1); + exit(0); + }]])], + [ac_cv_pthread_system_supported=yes], + [ac_cv_pthread_system_supported=no], + [ac_cv_pthread_system_supported=no]) + ]) + AC_MSG_RESULT($ac_cv_pthread_system_supported) + if test "$ac_cv_pthread_system_supported" = "yes"; then + AC_DEFINE(PTHREAD_SYSTEM_SCHED_SUPPORTED, 1, [Defined if PTHREAD_SCOPE_SYSTEM supported.]) + fi + AC_CHECK_FUNCS(pthread_sigmask, + [case $ac_sys_system in + CYGWIN*) + AC_DEFINE(HAVE_BROKEN_PTHREAD_SIGMASK, 1, + [Define if pthread_sigmask() does not work on your system.]) + ;; + esac]) +fi + + +# Check for enable-ipv6 +AH_TEMPLATE(ENABLE_IPV6, [Define if --enable-ipv6 is specified]) +AC_MSG_CHECKING([if --enable-ipv6 is specified]) +AC_ARG_ENABLE(ipv6, +[ --enable-ipv6 Enable ipv6 (with ipv4) support + --disable-ipv6 Disable ipv6 support], +[ case "$enableval" in + no) + AC_MSG_RESULT(no) + ipv6=no + ;; + *) AC_MSG_RESULT(yes) + AC_DEFINE(ENABLE_IPV6) + ipv6=yes + ;; + esac ], + +[ +dnl the check does not work on cross compilation case... + AC_RUN_IFELSE([AC_LANG_SOURCE([[ /* AF_INET6 available check */ +#include <sys/types.h> +#include <sys/socket.h> +main() +{ + if (socket(AF_INET6, SOCK_STREAM, 0) < 0) + exit(1); + else + exit(0); +} +]])],[ + AC_MSG_RESULT(yes) + ipv6=yes +],[ + AC_MSG_RESULT(no) + ipv6=no +],[ + AC_MSG_RESULT(no) + ipv6=no +]) + +if test "$ipv6" = "yes"; then + AC_MSG_CHECKING(if RFC2553 API is available) + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[#include <sys/types.h> +#include <netinet/in.h>]], + [[struct sockaddr_in6 x; + x.sin6_scope_id;]]) + ],[ + AC_MSG_RESULT(yes) + ipv6=yes + ],[ + AC_MSG_RESULT(no, IPv6 disabled) + ipv6=no + ]) +fi + +if test "$ipv6" = "yes"; then + AC_DEFINE(ENABLE_IPV6) +fi +]) + +ipv6type=unknown +ipv6lib=none +ipv6trylibc=no + +if test "$ipv6" = "yes"; then + AC_MSG_CHECKING([ipv6 stack type]) + for i in inria kame linux-glibc linux-inet6 solaris toshiba v6d zeta; + do + case $i in + inria) + dnl http://www.kame.net/ + AC_EGREP_CPP(yes, [ +#include <netinet/in.h> +#ifdef IPV6_INRIA_VERSION +yes +#endif], + [ipv6type=$i]) + ;; + kame) + dnl http://www.kame.net/ + AC_EGREP_CPP(yes, [ +#include <netinet/in.h> +#ifdef __KAME__ +yes +#endif], + [ipv6type=$i; + ipv6lib=inet6 + ipv6libdir=/usr/local/v6/lib + ipv6trylibc=yes]) + ;; + linux-glibc) + dnl http://www.v6.linux.or.jp/ + AC_EGREP_CPP(yes, [ +#include <features.h> +#if defined(__GLIBC__) && ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)) +yes +#endif], + [ipv6type=$i; + ipv6trylibc=yes]) + ;; + linux-inet6) + dnl http://www.v6.linux.or.jp/ + if test -d /usr/inet6; then + ipv6type=$i + ipv6lib=inet6 + ipv6libdir=/usr/inet6/lib + BASECFLAGS="-I/usr/inet6/include $BASECFLAGS" + fi + ;; + solaris) + if test -f /etc/netconfig; then + if $GREP -q tcp6 /etc/netconfig; then + ipv6type=$i + ipv6trylibc=yes + fi + fi + ;; + toshiba) + AC_EGREP_CPP(yes, [ +#include <sys/param.h> +#ifdef _TOSHIBA_INET6 +yes +#endif], + [ipv6type=$i; + ipv6lib=inet6; + ipv6libdir=/usr/local/v6/lib]) + ;; + v6d) + AC_EGREP_CPP(yes, [ +#include </usr/local/v6/include/sys/v6config.h> +#ifdef __V6D__ +yes +#endif], + [ipv6type=$i; + ipv6lib=v6; + ipv6libdir=/usr/local/v6/lib; + BASECFLAGS="-I/usr/local/v6/include $BASECFLAGS"]) + ;; + zeta) + AC_EGREP_CPP(yes, [ +#include <sys/param.h> +#ifdef _ZETA_MINAMI_INET6 +yes +#endif], + [ipv6type=$i; + ipv6lib=inet6; + ipv6libdir=/usr/local/v6/lib]) + ;; + esac + if test "$ipv6type" != "unknown"; then + break + fi + done + AC_MSG_RESULT($ipv6type) +fi + +if test "$ipv6" = "yes" -a "$ipv6lib" != "none"; then + if test -d $ipv6libdir -a -f $ipv6libdir/lib$ipv6lib.a; then + LIBS="-L$ipv6libdir -l$ipv6lib $LIBS" + echo "using lib$ipv6lib" + else + if test $ipv6trylibc = "yes"; then + echo "using libc" + else + echo 'Fatal: no $ipv6lib library found. cannot continue.' + echo "You need to fetch lib$ipv6lib.a from appropriate" + echo 'ipv6 kit and compile beforehand.' + exit 1 + fi + fi +fi + +AC_MSG_CHECKING(for OSX 10.5 SDK or later) +AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[#include <Carbon/Carbon.h>]], [[FSIORefNum fRef = 0]]) +],[ + AC_DEFINE(HAVE_OSX105_SDK, 1, [Define if compiling using MacOS X 10.5 SDK or later.]) + AC_MSG_RESULT(yes) +],[ + AC_MSG_RESULT(no) +]) + +# Check for --with-doc-strings +AC_MSG_CHECKING(for --with-doc-strings) +AC_ARG_WITH(doc-strings, + AS_HELP_STRING([--with(out)-doc-strings], [disable/enable documentation strings])) + +if test -z "$with_doc_strings" +then with_doc_strings="yes" +fi +if test "$with_doc_strings" != "no" +then + AC_DEFINE(WITH_DOC_STRINGS, 1, + [Define if you want documentation strings in extension modules]) +fi +AC_MSG_RESULT($with_doc_strings) + +# Check if eval loop should use timestamp counter profiling +AC_MSG_CHECKING(for --with-tsc) +AC_ARG_WITH(tsc, + AS_HELP_STRING([--with(out)-tsc],[enable/disable timestamp counter profile]),[ +if test "$withval" != no +then + AC_DEFINE(WITH_TSC, 1, + [Define to profile with the Pentium timestamp counter]) + AC_MSG_RESULT(yes) +else AC_MSG_RESULT(no) +fi], +[AC_MSG_RESULT(no)]) + +# Check for Python-specific malloc support +AC_MSG_CHECKING(for --with-pymalloc) +AC_ARG_WITH(pymalloc, + AS_HELP_STRING([--with(out)-pymalloc], [disable/enable specialized mallocs])) + +if test -z "$with_pymalloc" +then + with_pymalloc="yes" + ABIFLAGS="${ABIFLAGS}m" +fi +if test "$with_pymalloc" != "no" +then + AC_DEFINE(WITH_PYMALLOC, 1, + [Define if you want to compile in Python-specific mallocs]) +fi +AC_MSG_RESULT($with_pymalloc) + +# Check for Valgrind support +AC_MSG_CHECKING([for --with-valgrind]) +AC_ARG_WITH([valgrind], + AS_HELP_STRING([--with-valgrind], [Enable Valgrind support]),, + with_valgrind=no) +AC_MSG_RESULT([$with_valgrind]) +if test "$with_valgrind" != no; then + AC_CHECK_HEADER([valgrind/valgrind.h], + [AC_DEFINE([WITH_VALGRIND], 1, [Define if you want pymalloc to be disabled when running under valgrind])], + [AC_MSG_ERROR([Valgrind support requested but headers not available])] + ) + OPT="-DDYNAMIC_ANNOTATIONS_ENABLED=1 $OPT" +fi + +# -I${DLINCLDIR} is added to the compile rule for importdl.o +AC_SUBST(DLINCLDIR) +DLINCLDIR=. + +# the dlopen() function means we might want to use dynload_shlib.o. some +# platforms, such as AIX, have dlopen(), but don't want to use it. +AC_CHECK_FUNCS(dlopen) + +# DYNLOADFILE specifies which dynload_*.o file we will use for dynamic +# loading of modules. +AC_SUBST(DYNLOADFILE) +AC_MSG_CHECKING(DYNLOADFILE) +if test -z "$DYNLOADFILE" +then + case $ac_sys_system/$ac_sys_release in + AIX*) # Use dynload_shlib.c and dlopen() if we have it; otherwise dynload_aix.c + if test "$ac_cv_func_dlopen" = yes + then DYNLOADFILE="dynload_shlib.o" + else DYNLOADFILE="dynload_aix.o" + fi + ;; + hp*|HP*) DYNLOADFILE="dynload_hpux.o";; + # Use dynload_next.c only on 10.2 and below, which don't have native dlopen() + Darwin/@<:@0156@:>@\..*) DYNLOADFILE="dynload_next.o";; + *) + # use dynload_shlib.c and dlopen() if we have it; otherwise stub + # out any dynamic loading + if test "$ac_cv_func_dlopen" = yes + then DYNLOADFILE="dynload_shlib.o" + else DYNLOADFILE="dynload_stub.o" + fi + ;; + esac +fi +AC_MSG_RESULT($DYNLOADFILE) +if test "$DYNLOADFILE" != "dynload_stub.o" +then + AC_DEFINE(HAVE_DYNAMIC_LOADING, 1, + [Defined when any dynamic module loading is enabled.]) +fi + +# MACHDEP_OBJS can be set to platform-specific object files needed by Python + +AC_SUBST(MACHDEP_OBJS) +AC_MSG_CHECKING(MACHDEP_OBJS) +if test -z "$MACHDEP_OBJS" +then + MACHDEP_OBJS=$extra_machdep_objs +else + MACHDEP_OBJS="$MACHDEP_OBJS $extra_machdep_objs" +fi +AC_MSG_RESULT(MACHDEP_OBJS) + +# checks for library functions +AC_CHECK_FUNCS(alarm accept4 setitimer getitimer bind_textdomain_codeset chown \ + clock confstr ctermid execv fchmod fchown fork fpathconf ftime ftruncate \ + gai_strerror getgroups getlogin getloadavg getpeername getpgid getpid \ + getpriority getresuid getresgid getpwent getspnam getspent getsid getwd \ + initgroups kill killpg lchmod lchown lstat mbrtowc mkfifo mknod mktime \ + mremap nice pathconf pause plock poll pthread_init \ + putenv readlink realpath \ + select sem_open sem_timedwait sem_getvalue sem_unlink setegid seteuid \ + setgid \ + setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setuid setvbuf \ + sigaction siginterrupt sigrelse snprintf strftime strlcpy \ + sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \ + truncate uname unsetenv utimes waitpid wait3 wait4 \ + wcscoll wcsftime wcsxfrm _getpty) + +AC_CHECK_DECL(dirfd, + AC_DEFINE(HAVE_DIRFD, 1, + Define if you have the 'dirfd' function or macro.), , + [#include <sys/types.h> + #include <dirent.h>]) + +# For some functions, having a definition is not sufficient, since +# we want to take their address. +AC_MSG_CHECKING(for chroot) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=chroot]])], + [AC_DEFINE(HAVE_CHROOT, 1, Define if you have the 'chroot' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) +AC_MSG_CHECKING(for link) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=link]])], + [AC_DEFINE(HAVE_LINK, 1, Define if you have the 'link' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) +AC_MSG_CHECKING(for symlink) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=symlink]])], + [AC_DEFINE(HAVE_SYMLINK, 1, Define if you have the 'symlink' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) +AC_MSG_CHECKING(for fchdir) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=fchdir]])], + [AC_DEFINE(HAVE_FCHDIR, 1, Define if you have the 'fchdir' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) +AC_MSG_CHECKING(for fsync) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=fsync]])], + [AC_DEFINE(HAVE_FSYNC, 1, Define if you have the 'fsync' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) +AC_MSG_CHECKING(for fdatasync) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=fdatasync]])], + [AC_DEFINE(HAVE_FDATASYNC, 1, Define if you have the 'fdatasync' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) +AC_MSG_CHECKING(for epoll) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/epoll.h>]], [[void *x=epoll_create]])], + [AC_DEFINE(HAVE_EPOLL, 1, Define if you have the 'epoll' functions.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) +AC_MSG_CHECKING(for kqueue) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <sys/types.h> +#include <sys/event.h> + ]], [[int x=kqueue()]])], + [AC_DEFINE(HAVE_KQUEUE, 1, Define if you have the 'kqueue' functions.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) +# On some systems (eg. FreeBSD 5), we would find a definition of the +# functions ctermid_r, setgroups in the library, but no prototype +# (e.g. because we use _XOPEN_SOURCE). See whether we can take their +# address to avoid compiler warnings and potential miscompilations +# because of the missing prototypes. + +AC_MSG_CHECKING(for ctermid_r) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <stdio.h> +]], [[void* p = ctermid_r]])], + [AC_DEFINE(HAVE_CTERMID_R, 1, Define if you have the 'ctermid_r' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) + +AC_CACHE_CHECK([for flock declaration], [ac_cv_flock_decl], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [#include <sys/file.h>], + [void* p = flock] + )], + [ac_cv_flock_decl=yes], + [ac_cv_flock_decl=no] + ) +]) +if test "x${ac_cv_flock_decl}" = xyes; then + AC_CHECK_FUNCS(flock,, + AC_CHECK_LIB(bsd,flock, + [AC_DEFINE(HAVE_FLOCK) + AC_DEFINE(FLOCK_NEEDS_LIBBSD, 1, Define if flock needs to be linked with bsd library.) + ]) + ) +fi + +AC_MSG_CHECKING(for getpagesize) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <unistd.h> +]], [[void* p = getpagesize]])], + [AC_DEFINE(HAVE_GETPAGESIZE, 1, Define if you have the 'getpagesize' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) + +AC_MSG_CHECKING(for broken unsetenv) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <stdlib.h> +]], [[int res = unsetenv("DUMMY")]])], + [AC_MSG_RESULT(no)], + [AC_DEFINE(HAVE_BROKEN_UNSETENV, 1, Define if `unsetenv` does not return an int.) + AC_MSG_RESULT(yes) +]) + +dnl check for true +AC_CHECK_PROGS(TRUE, true, /bin/true) + +dnl On some systems (e.g. Solaris 9), hstrerror and inet_aton are in -lresolv +dnl On others, they are in the C library, so we to take no action +AC_CHECK_LIB(c, inet_aton, [$ac_cv_prog_TRUE], + AC_CHECK_LIB(resolv, inet_aton) +) + +# On Tru64, chflags seems to be present, but calling it will +# exit Python +AC_CACHE_CHECK([for chflags], [ac_cv_have_chflags], [dnl +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <sys/stat.h> +#include <unistd.h> +int main(int argc, char*argv[]) +{ + if(chflags(argv[0], 0) != 0) + return 1; + return 0; +} +]])], +[ac_cv_have_chflags=yes], +[ac_cv_have_chflags=no], +[ac_cv_have_chflags=cross]) +]) +if test "$ac_cv_have_chflags" = cross ; then + AC_CHECK_FUNC([chflags], [ac_cv_have_chflags="yes"], [ac_cv_have_chflags="no"]) +fi +if test "$ac_cv_have_chflags" = yes ; then + AC_DEFINE(HAVE_CHFLAGS, 1, [Define to 1 if you have the 'chflags' function.]) +fi + +AC_CACHE_CHECK([for lchflags], [ac_cv_have_lchflags], [dnl +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <sys/stat.h> +#include <unistd.h> +int main(int argc, char*argv[]) +{ + if(lchflags(argv[0], 0) != 0) + return 1; + return 0; +} +]])],[ac_cv_have_lchflags=yes],[ac_cv_have_lchflags=no],[ac_cv_have_lchflags=cross]) +]) +if test "$ac_cv_have_lchflags" = cross ; then + AC_CHECK_FUNC([lchflags], [ac_cv_have_lchflags="yes"], [ac_cv_have_lchflags="no"]) +fi +if test "$ac_cv_have_lchflags" = yes ; then + AC_DEFINE(HAVE_LCHFLAGS, 1, [Define to 1 if you have the 'lchflags' function.]) +fi + +dnl Check if system zlib has *Copy() functions +dnl +dnl On MacOSX the linker will search for dylibs on the entire linker path +dnl before searching for static libraries. setup.py adds -Wl,-search_paths_first +dnl to revert to a more traditional unix behaviour and make it possible to +dnl override the system libz with a local static library of libz. Temporarily +dnl add that flag to our CFLAGS as well to ensure that we check the version +dnl of libz that will be used by setup.py. +dnl The -L/usr/local/lib is needed as wel to get the same compilation +dnl environment as setup.py (and leaving it out can cause configure to use the +dnl wrong version of the library) +case $ac_sys_system/$ac_sys_release in +Darwin/*) + _CUR_CFLAGS="${CFLAGS}" + _CUR_LDFLAGS="${LDFLAGS}" + CFLAGS="${CFLAGS} -Wl,-search_paths_first" + LDFLAGS="${LDFLAGS} -Wl,-search_paths_first -L/usr/local/lib" + ;; +esac + +AC_CHECK_LIB(z, inflateCopy, AC_DEFINE(HAVE_ZLIB_COPY, 1, [Define if the zlib library has inflateCopy])) + +case $ac_sys_system/$ac_sys_release in +Darwin/*) + CFLAGS="${_CUR_CFLAGS}" + LDFLAGS="${_CUR_LDFLAGS}" + ;; +esac + +AC_MSG_CHECKING(for hstrerror) +AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#include <netdb.h> +]], [[void* p = hstrerror; hstrerror(0)]])], + [AC_DEFINE(HAVE_HSTRERROR, 1, Define if you have the 'hstrerror' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) + +AC_MSG_CHECKING(for inet_aton) +AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +]], [[void* p = inet_aton;inet_aton(0,0)]])], + [AC_DEFINE(HAVE_INET_ATON, 1, Define if you have the 'inet_aton' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) + +AC_MSG_CHECKING(for inet_pton) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +]], [[void* p = inet_pton]])], + [AC_DEFINE(HAVE_INET_PTON, 1, Define if you have the 'inet_pton' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) + +# On some systems, setgroups is in unistd.h, on others, in grp.h +AC_MSG_CHECKING(for setgroups) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <unistd.h> +#ifdef HAVE_GRP_H +#include <grp.h> +#endif +]], [[void* p = setgroups]])], + [AC_DEFINE(HAVE_SETGROUPS, 1, Define if you have the 'setgroups' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) +]) + +# check for openpty and forkpty + +AC_CHECK_FUNCS(openpty,, + AC_CHECK_LIB(util,openpty, + [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"], + AC_CHECK_LIB(bsd,openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lbsd"]) + ) +) +AC_CHECK_FUNCS(forkpty,, + AC_CHECK_LIB(util,forkpty, + [AC_DEFINE(HAVE_FORKPTY) LIBS="$LIBS -lutil"], + AC_CHECK_LIB(bsd,forkpty, [AC_DEFINE(HAVE_FORKPTY) LIBS="$LIBS -lbsd"]) + ) +) + +# Stuff for expat. +AC_CHECK_FUNCS(memmove) + +# check for long file support functions +AC_CHECK_FUNCS(fseek64 fseeko fstatvfs ftell64 ftello statvfs) + +AC_REPLACE_FUNCS(dup2 getcwd strdup) +AC_CHECK_FUNCS(getpgrp, + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[getpgrp(0);]])], + [AC_DEFINE(GETPGRP_HAVE_ARG, 1, [Define if getpgrp() must be called as getpgrp(0).])], + []) +) +AC_CHECK_FUNCS(setpgrp, + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[setpgrp(0,0);]])], + [AC_DEFINE(SETPGRP_HAVE_ARG, 1, [Define if setpgrp() must be called as setpgrp(0, 0).])], + []) +) +AC_CHECK_FUNCS(gettimeofday, + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/time.h>]], + [[gettimeofday((struct timeval*)0,(struct timezone*)0);]])], + [], + [AC_DEFINE(GETTIMEOFDAY_NO_TZ, 1, + [Define if gettimeofday() does not have second (timezone) argument + This is the case on Motorola V4 (R40V4.2)]) + ]) +) + +AC_MSG_CHECKING(for major, minor, and makedev) +AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#if defined(MAJOR_IN_MKDEV) +#include <sys/mkdev.h> +#elif defined(MAJOR_IN_SYSMACROS) +#include <sys/sysmacros.h> +#else +#include <sys/types.h> +#endif +]], [[ + makedev(major(0),minor(0)); +]])],[ + AC_DEFINE(HAVE_DEVICE_MACROS, 1, + [Define to 1 if you have the device macros.]) + AC_MSG_RESULT(yes) +],[ + AC_MSG_RESULT(no) +]) + +# On OSF/1 V5.1, getaddrinfo is available, but a define +# for [no]getaddrinfo in netdb.h. +AC_MSG_CHECKING(for getaddrinfo) +AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#include <sys/types.h> +#include <sys/socket.h> +#include <netdb.h> +#include <stdio.h> +]], [[getaddrinfo(NULL, NULL, NULL, NULL);]])], +[have_getaddrinfo=yes], +[have_getaddrinfo=no]) +AC_MSG_RESULT($have_getaddrinfo) +if test $have_getaddrinfo = yes +then + AC_MSG_CHECKING(getaddrinfo bug) + AC_CACHE_VAL(ac_cv_buggy_getaddrinfo, + AC_RUN_IFELSE([AC_LANG_SOURCE([[[ +#include <sys/types.h> +#include <netdb.h> +#include <string.h> +#include <sys/socket.h> +#include <netinet/in.h> + +int main() +{ + int passive, gaierr, inet4 = 0, inet6 = 0; + struct addrinfo hints, *ai, *aitop; + char straddr[INET6_ADDRSTRLEN], strport[16]; + + for (passive = 0; passive <= 1; passive++) { + memset(&hints, 0, sizeof(hints)); + hints.ai_family = AF_UNSPEC; + hints.ai_flags = passive ? AI_PASSIVE : 0; + hints.ai_socktype = SOCK_STREAM; + hints.ai_protocol = IPPROTO_TCP; + if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) { + (void)gai_strerror(gaierr); + goto bad; + } + for (ai = aitop; ai; ai = ai->ai_next) { + if (ai->ai_addr == NULL || + ai->ai_addrlen == 0 || + getnameinfo(ai->ai_addr, ai->ai_addrlen, + straddr, sizeof(straddr), strport, sizeof(strport), + NI_NUMERICHOST|NI_NUMERICSERV) != 0) { + goto bad; + } + switch (ai->ai_family) { + case AF_INET: + if (strcmp(strport, "54321") != 0) { + goto bad; + } + if (passive) { + if (strcmp(straddr, "0.0.0.0") != 0) { + goto bad; + } + } else { + if (strcmp(straddr, "127.0.0.1") != 0) { + goto bad; + } + } + inet4++; + break; + case AF_INET6: + if (strcmp(strport, "54321") != 0) { + goto bad; + } + if (passive) { + if (strcmp(straddr, "::") != 0) { + goto bad; + } + } else { + if (strcmp(straddr, "::1") != 0) { + goto bad; + } + } + inet6++; + break; + case AF_UNSPEC: + goto bad; + break; + default: + /* another family support? */ + break; + } + } + } + + if (!(inet4 == 0 || inet4 == 2)) + goto bad; + if (!(inet6 == 0 || inet6 == 2)) + goto bad; + + if (aitop) + freeaddrinfo(aitop); + return 0; + + bad: + if (aitop) + freeaddrinfo(aitop); + return 1; +} +]]])], +[ac_cv_buggy_getaddrinfo=no], +[ac_cv_buggy_getaddrinfo=yes], +[ac_cv_buggy_getaddrinfo=yes])) +fi + +AC_MSG_RESULT($ac_cv_buggy_getaddrinfo) + +if test $have_getaddrinfo = no -o "$ac_cv_buggy_getaddrinfo" = yes +then + if test $ipv6 = yes + then + echo 'Fatal: You must get working getaddrinfo() function.' + echo ' or you can specify "--disable-ipv6"'. + exit 1 + fi +else + AC_DEFINE(HAVE_GETADDRINFO, 1, [Define if you have the getaddrinfo function.]) +fi + +AC_CHECK_FUNCS(getnameinfo) + +# checks for structures +AC_HEADER_TIME +AC_STRUCT_TM +AC_STRUCT_TIMEZONE +AC_CHECK_MEMBERS([struct stat.st_rdev]) +AC_CHECK_MEMBERS([struct stat.st_blksize]) +AC_CHECK_MEMBERS([struct stat.st_flags]) +AC_CHECK_MEMBERS([struct stat.st_gen]) +AC_CHECK_MEMBERS([struct stat.st_birthtime]) +AC_STRUCT_ST_BLOCKS + +AC_MSG_CHECKING(for time.h that defines altzone) +AC_CACHE_VAL(ac_cv_header_time_altzone,[ + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[return altzone;]])], + [ac_cv_header_time_altzone=yes], + [ac_cv_header_time_altzone=no]) + ]) +AC_MSG_RESULT($ac_cv_header_time_altzone) +if test $ac_cv_header_time_altzone = yes; then + AC_DEFINE(HAVE_ALTZONE, 1, [Define this if your time.h defines altzone.]) +fi + +was_it_defined=no +AC_MSG_CHECKING(whether sys/select.h and sys/time.h may both be included) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <sys/types.h> +#include <sys/select.h> +#include <sys/time.h> +]], [[;]])],[ + AC_DEFINE(SYS_SELECT_WITH_SYS_TIME, 1, + [Define if you can safely include both <sys/select.h> and <sys/time.h> + (which you can't on SCO ODT 3.0).]) + was_it_defined=yes +],[]) +AC_MSG_RESULT($was_it_defined) + +AC_MSG_CHECKING(for addrinfo) +AC_CACHE_VAL(ac_cv_struct_addrinfo, +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]], [[struct addrinfo a]])], + [ac_cv_struct_addrinfo=yes], + [ac_cv_struct_addrinfo=no])) +AC_MSG_RESULT($ac_cv_struct_addrinfo) +if test $ac_cv_struct_addrinfo = yes; then + AC_DEFINE(HAVE_ADDRINFO, 1, [struct addrinfo (netdb.h)]) +fi + +AC_MSG_CHECKING(for sockaddr_storage) +AC_CACHE_VAL(ac_cv_struct_sockaddr_storage, +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +# include <sys/types.h> +# include <sys/socket.h>]], [[struct sockaddr_storage s]])], + [ac_cv_struct_sockaddr_storage=yes], + [ac_cv_struct_sockaddr_storage=no])) +AC_MSG_RESULT($ac_cv_struct_sockaddr_storage) +if test $ac_cv_struct_sockaddr_storage = yes; then + AC_DEFINE(HAVE_SOCKADDR_STORAGE, 1, [struct sockaddr_storage (sys/socket.h)]) +fi + +# checks for compiler characteristics + +AC_C_CHAR_UNSIGNED +AC_C_CONST + +works=no +AC_MSG_CHECKING(for working volatile) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[volatile int x; x = 0;]])], + [works=yes], + [AC_DEFINE(volatile, , [Define to empty if the keyword does not work.])] +) +AC_MSG_RESULT($works) + +works=no +AC_MSG_CHECKING(for working signed char) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[signed char c;]])], + [works=yes], + [AC_DEFINE(signed, , [Define to empty if the keyword does not work.])] +) +AC_MSG_RESULT($works) + +have_prototypes=no +AC_MSG_CHECKING(for prototypes) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[int foo(int x) { return 0; }]], [[return foo(10);]])], + [AC_DEFINE(HAVE_PROTOTYPES, 1, + [Define if your compiler supports function prototype]) + have_prototypes=yes], + [] +) +AC_MSG_RESULT($have_prototypes) + +works=no +AC_MSG_CHECKING(for variable length prototypes and stdarg.h) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <stdarg.h> +int foo(int x, ...) { + va_list va; + va_start(va, x); + va_arg(va, int); + va_arg(va, char *); + va_arg(va, double); + return 0; +} +]], [[return foo(10, "", 3.14);]])],[ + AC_DEFINE(HAVE_STDARG_PROTOTYPES, 1, + [Define if your compiler supports variable length function prototypes + (e.g. void fprintf(FILE *, char *, ...);) *and* <stdarg.h>]) + works=yes +],[]) +AC_MSG_RESULT($works) + +# check for socketpair +AC_MSG_CHECKING(for socketpair) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <sys/types.h> +#include <sys/socket.h> +]], [[void *x=socketpair]])], + [AC_DEFINE(HAVE_SOCKETPAIR, 1, [Define if you have the 'socketpair' function.]) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no)] +) + +# check if sockaddr has sa_len member +AC_MSG_CHECKING(if sockaddr has sa_len member) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> +#include <sys/socket.h>]], [[struct sockaddr x; +x.sa_len = 0;]])], + [AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [Define if sockaddr has sa_len member])], + [AC_MSG_RESULT(no)] +) + +va_list_is_array=no +AC_MSG_CHECKING(whether va_list is an array) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#ifdef HAVE_STDARG_PROTOTYPES +#include <stdarg.h> +#else +#include <varargs.h> +#endif +]], [[va_list list1, list2; list1 = list2;]])],[],[ + AC_DEFINE(VA_LIST_IS_ARRAY, 1, [Define if a va_list is an array of some kind]) + va_list_is_array=yes +]) +AC_MSG_RESULT($va_list_is_array) + +# sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-( +AH_TEMPLATE(HAVE_GETHOSTBYNAME_R, + [Define this if you have some version of gethostbyname_r()]) + +AC_CHECK_FUNC(gethostbyname_r, [ + AC_DEFINE(HAVE_GETHOSTBYNAME_R) + AC_MSG_CHECKING([gethostbyname_r with 6 args]) + OLD_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS" + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +# include <netdb.h> + ]], [[ + char *name; + struct hostent *he, *res; + char buffer[2048]; + int buflen = 2048; + int h_errnop; + + (void) gethostbyname_r(name, he, buffer, buflen, &res, &h_errnop) + ]])],[ + AC_DEFINE(HAVE_GETHOSTBYNAME_R) + AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1, + [Define this if you have the 6-arg version of gethostbyname_r().]) + AC_MSG_RESULT(yes) + ],[ + AC_MSG_RESULT(no) + AC_MSG_CHECKING([gethostbyname_r with 5 args]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +# include <netdb.h> + ]], [[ + char *name; + struct hostent *he; + char buffer[2048]; + int buflen = 2048; + int h_errnop; + + (void) gethostbyname_r(name, he, buffer, buflen, &h_errnop) + ]])], + [ + AC_DEFINE(HAVE_GETHOSTBYNAME_R) + AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1, + [Define this if you have the 5-arg version of gethostbyname_r().]) + AC_MSG_RESULT(yes) + ], [ + AC_MSG_RESULT(no) + AC_MSG_CHECKING([gethostbyname_r with 3 args]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +# include <netdb.h> + ]], [[ + char *name; + struct hostent *he; + struct hostent_data data; + + (void) gethostbyname_r(name, he, &data); + ]])], + [ + AC_DEFINE(HAVE_GETHOSTBYNAME_R) + AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1, + [Define this if you have the 3-arg version of gethostbyname_r().]) + AC_MSG_RESULT(yes) + ], [ + AC_MSG_RESULT(no) + ]) + ]) + ]) + CFLAGS=$OLD_CFLAGS +], [ + AC_CHECK_FUNCS(gethostbyname) +]) +AC_SUBST(HAVE_GETHOSTBYNAME_R_6_ARG) +AC_SUBST(HAVE_GETHOSTBYNAME_R_5_ARG) +AC_SUBST(HAVE_GETHOSTBYNAME_R_3_ARG) +AC_SUBST(HAVE_GETHOSTBYNAME_R) +AC_SUBST(HAVE_GETHOSTBYNAME) + +# checks for system services +# (none yet) + +# Linux requires this for correct f.p. operations +AC_CHECK_FUNC(__fpu_control, + [], + [AC_CHECK_LIB(ieee, __fpu_control) +]) + +# Check for --with-fpectl +AC_MSG_CHECKING(for --with-fpectl) +AC_ARG_WITH(fpectl, + AS_HELP_STRING([--with-fpectl], [enable SIGFPE catching]), +[ +if test "$withval" != no +then + AC_DEFINE(WANT_SIGFPE_HANDLER, 1, + [Define if you want SIGFPE handled (see Include/pyfpe.h).]) + AC_MSG_RESULT(yes) +else AC_MSG_RESULT(no) +fi], +[AC_MSG_RESULT(no)]) + +# check for --with-libm=... +AC_SUBST(LIBM) +case $ac_sys_system in +Darwin) ;; +*) LIBM=-lm +esac +AC_MSG_CHECKING(for --with-libm=STRING) +AC_ARG_WITH(libm, + AS_HELP_STRING([--with-libm=STRING], [math library]), +[ +if test "$withval" = no +then LIBM= + AC_MSG_RESULT(force LIBM empty) +elif test "$withval" != yes +then LIBM=$withval + AC_MSG_RESULT(set LIBM="$withval") +else AC_MSG_ERROR([proper usage is --with-libm=STRING]) +fi], +[AC_MSG_RESULT(default LIBM="$LIBM")]) + +# check for --with-libc=... +AC_SUBST(LIBC) +AC_MSG_CHECKING(for --with-libc=STRING) +AC_ARG_WITH(libc, + AS_HELP_STRING([--with-libc=STRING], [C library]), +[ +if test "$withval" = no +then LIBC= + AC_MSG_RESULT(force LIBC empty) +elif test "$withval" != yes +then LIBC=$withval + AC_MSG_RESULT(set LIBC="$withval") +else AC_MSG_ERROR([proper usage is --with-libc=STRING]) +fi], +[AC_MSG_RESULT(default LIBC="$LIBC")]) + +# ************************************************** +# * Check for various properties of floating point * +# ************************************************** + +AC_MSG_CHECKING(whether C doubles are little-endian IEEE 754 binary64) +AC_CACHE_VAL(ac_cv_little_endian_double, [ +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <string.h> +int main() { + double x = 9006104071832581.0; + if (memcmp(&x, "\x05\x04\x03\x02\x01\xff\x3f\x43", 8) == 0) + return 0; + else + return 1; +} +]])], +[ac_cv_little_endian_double=yes], +[ac_cv_little_endian_double=no], +[ac_cv_little_endian_double=no])]) +AC_MSG_RESULT($ac_cv_little_endian_double) +if test "$ac_cv_little_endian_double" = yes +then + AC_DEFINE(DOUBLE_IS_LITTLE_ENDIAN_IEEE754, 1, + [Define if C doubles are 64-bit IEEE 754 binary format, stored + with the least significant byte first]) +fi + +AC_MSG_CHECKING(whether C doubles are big-endian IEEE 754 binary64) +AC_CACHE_VAL(ac_cv_big_endian_double, [ +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <string.h> +int main() { + double x = 9006104071832581.0; + if (memcmp(&x, "\x43\x3f\xff\x01\x02\x03\x04\x05", 8) == 0) + return 0; + else + return 1; +} +]])], +[ac_cv_big_endian_double=yes], +[ac_cv_big_endian_double=no], +[ac_cv_big_endian_double=no])]) +AC_MSG_RESULT($ac_cv_big_endian_double) +if test "$ac_cv_big_endian_double" = yes +then + AC_DEFINE(DOUBLE_IS_BIG_ENDIAN_IEEE754, 1, + [Define if C doubles are 64-bit IEEE 754 binary format, stored + with the most significant byte first]) +fi + +# Some ARM platforms use a mixed-endian representation for doubles. +# While Python doesn't currently have full support for these platforms +# (see e.g., issue 1762561), we can at least make sure that float <-> string +# conversions work. +AC_MSG_CHECKING(whether C doubles are ARM mixed-endian IEEE 754 binary64) +AC_CACHE_VAL(ac_cv_mixed_endian_double, [ +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <string.h> +int main() { + double x = 9006104071832581.0; + if (memcmp(&x, "\x01\xff\x3f\x43\x05\x04\x03\x02", 8) == 0) + return 0; + else + return 1; +} +]])], +[ac_cv_mixed_endian_double=yes], +[ac_cv_mixed_endian_double=no], +[ac_cv_mixed_endian_double=no])]) +AC_MSG_RESULT($ac_cv_mixed_endian_double) +if test "$ac_cv_mixed_endian_double" = yes +then + AC_DEFINE(DOUBLE_IS_ARM_MIXED_ENDIAN_IEEE754, 1, + [Define if C doubles are 64-bit IEEE 754 binary format, stored + in ARM mixed-endian order (byte order 45670123)]) +fi + +# The short float repr introduced in Python 3.1 requires the +# correctly-rounded string <-> double conversion functions from +# Python/dtoa.c, which in turn require that the FPU uses 53-bit +# rounding; this is a problem on x86, where the x87 FPU has a default +# rounding precision of 64 bits. For gcc/x86, we can fix this by +# using inline assembler to get and set the x87 FPU control word. + +# This inline assembler syntax may also work for suncc and icc, +# so we try it on all platforms. + +AC_MSG_CHECKING(whether we can use gcc inline assembler to get and set x87 control word) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ + unsigned short cw; + __asm__ __volatile__ ("fnstcw %0" : "=m" (cw)); + __asm__ __volatile__ ("fldcw %0" : : "m" (cw)); +]])],[have_gcc_asm_for_x87=yes],[have_gcc_asm_for_x87=no]) +AC_MSG_RESULT($have_gcc_asm_for_x87) +if test "$have_gcc_asm_for_x87" = yes +then + AC_DEFINE(HAVE_GCC_ASM_FOR_X87, 1, + [Define if we can use gcc inline assembler to get and set x87 control word]) +fi + +# Detect whether system arithmetic is subject to x87-style double +# rounding issues. The result of this test has little meaning on non +# IEEE 754 platforms. On IEEE 754, test should return 1 if rounding +# mode is round-to-nearest and double rounding issues are present, and +# 0 otherwise. See http://bugs.python.org/issue2937 for more info. +AC_MSG_CHECKING(for x87-style double rounding) +# $BASECFLAGS may affect the result +ac_save_cc="$CC" +CC="$CC $BASECFLAGS" +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <stdlib.h> +#include <math.h> +int main() { + volatile double x, y, z; + /* 1./(1-2**-53) -> 1+2**-52 (correct), 1.0 (double rounding) */ + x = 0.99999999999999989; /* 1-2**-53 */ + y = 1./x; + if (y != 1.) + exit(0); + /* 1e16+2.99999 -> 1e16+2. (correct), 1e16+4. (double rounding) */ + x = 1e16; + y = 2.99999; + z = x + y; + if (z != 1e16+4.) + exit(0); + /* both tests show evidence of double rounding */ + exit(1); +} +]])], +[ac_cv_x87_double_rounding=no], +[ac_cv_x87_double_rounding=yes], +[ac_cv_x87_double_rounding=no]) +CC="$ac_save_cc" +AC_MSG_RESULT($ac_cv_x87_double_rounding) +if test "$ac_cv_x87_double_rounding" = yes +then + AC_DEFINE(X87_DOUBLE_ROUNDING, 1, + [Define if arithmetic is subject to x87-style double rounding issue]) +fi + +# ************************************ +# * Check for mathematical functions * +# ************************************ + +LIBS_SAVE=$LIBS +LIBS="$LIBS $LIBM" + +AC_CHECK_FUNCS([acosh asinh atanh copysign erf erfc expm1 finite gamma]) +AC_CHECK_FUNCS([hypot lgamma log1p round tgamma]) +AC_CHECK_DECLS([isinf, isnan, isfinite], [], [], [[#include <math.h>]]) + +# On FreeBSD 6.2, it appears that tanh(-0.) returns 0. instead of +# -0. on some architectures. +AC_MSG_CHECKING(whether tanh preserves the sign of zero) +AC_CACHE_VAL(ac_cv_tanh_preserves_zero_sign, [ +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <math.h> +#include <stdlib.h> +int main() { + /* return 0 if either negative zeros don't exist + on this platform or if negative zeros exist + and tanh(-0.) == -0. */ + if (atan2(0., -1.) == atan2(-0., -1.) || + atan2(tanh(-0.), -1.) == atan2(-0., -1.)) exit(0); + else exit(1); +} +]])], +[ac_cv_tanh_preserves_zero_sign=yes], +[ac_cv_tanh_preserves_zero_sign=no], +[ac_cv_tanh_preserves_zero_sign=no])]) +AC_MSG_RESULT($ac_cv_tanh_preserves_zero_sign) +if test "$ac_cv_tanh_preserves_zero_sign" = yes +then + AC_DEFINE(TANH_PRESERVES_ZERO_SIGN, 1, + [Define if tanh(-0.) is -0., or if platform doesn't have signed zeros]) +fi + +if test "$ac_cv_func_log1p" = yes +then + # On some versions of AIX, log1p(-0.) returns 0. instead of + # -0. See issue #9920. + AC_MSG_CHECKING(whether log1p drops the sign of negative zero) + AC_CACHE_VAL(ac_cv_log1p_drops_zero_sign, [ + AC_RUN_IFELSE([AC_LANG_SOURCE([[ + #include <math.h> + #include <stdlib.h> + int main() { + /* Fail if the signs of log1p(-0.) and -0. can be + distinguished. */ + if (atan2(log1p(-0.), -1.) == atan2(-0., -1.)) + return 0; + else + return 1; + } + ]])], + [ac_cv_log1p_drops_zero_sign=no], + [ac_cv_log1p_drops_zero_sign=yes], + [ac_cv_log1p_drops_zero_sign=no])]) + AC_MSG_RESULT($ac_cv_log1p_drops_zero_sign) +fi +if test "$ac_cv_log1p_drops_zero_sign" = yes +then + AC_DEFINE(LOG1P_DROPS_ZERO_SIGN, 1, + [Define if log1p(-0.) is 0. rather than -0.]) +fi + +LIBS=$LIBS_SAVE + +# For multiprocessing module, check that sem_open +# actually works. For FreeBSD versions <= 7.2, +# the kernel module that provides POSIX semaphores +# isn't loaded by default, so an attempt to call +# sem_open results in a 'Signal 12' error. +AC_MSG_CHECKING(whether POSIX semaphores are enabled) +AC_CACHE_VAL(ac_cv_posix_semaphores_enabled, +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <unistd.h> +#include <fcntl.h> +#include <stdio.h> +#include <semaphore.h> +#include <sys/stat.h> + +int main(void) { + sem_t *a = sem_open("/autoconf", O_CREAT, S_IRUSR|S_IWUSR, 0); + if (a == SEM_FAILED) { + perror("sem_open"); + return 1; + } + sem_close(a); + sem_unlink("/autoconf"); + return 0; +} +]])], +[ac_cv_posix_semaphores_enabled=yes], +[ac_cv_posix_semaphores_enabled=no], +[ac_cv_posix_semaphores_enabled=yes]) +) +AC_MSG_RESULT($ac_cv_posix_semaphores_enabled) +if test $ac_cv_posix_semaphores_enabled = no +then + AC_DEFINE(POSIX_SEMAPHORES_NOT_ENABLED, 1, + [Define if POSIX semaphores aren't enabled on your system]) +fi + +# Multiprocessing check for broken sem_getvalue +AC_MSG_CHECKING(for broken sem_getvalue) +AC_CACHE_VAL(ac_cv_broken_sem_getvalue, +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <unistd.h> +#include <fcntl.h> +#include <stdio.h> +#include <semaphore.h> +#include <sys/stat.h> + +int main(void){ + sem_t *a = sem_open("/autocftw", O_CREAT, S_IRUSR|S_IWUSR, 0); + int count; + int res; + if(a==SEM_FAILED){ + perror("sem_open"); + return 1; + + } + res = sem_getvalue(a, &count); + sem_close(a); + sem_unlink("/autocftw"); + return res==-1 ? 1 : 0; +} +]])], +[ac_cv_broken_sem_getvalue=no], +[ac_cv_broken_sem_getvalue=yes], +[ac_cv_broken_sem_getvalue=yes]) +) +AC_MSG_RESULT($ac_cv_broken_sem_getvalue) +if test $ac_cv_broken_sem_getvalue = yes +then + AC_DEFINE(HAVE_BROKEN_SEM_GETVALUE, 1, + [define to 1 if your sem_getvalue is broken.]) +fi + +# determine what size digit to use for Python's longs +AC_MSG_CHECKING([digit size for Python's longs]) +AC_ARG_ENABLE(big-digits, +AS_HELP_STRING([--enable-big-digits@<:@=BITS@:>@],[use big digits for Python longs [[BITS=30]]]), +[case $enable_big_digits in +yes) + enable_big_digits=30 ;; +no) + enable_big_digits=15 ;; +[15|30]) + ;; +*) + AC_MSG_ERROR([bad value $enable_big_digits for --enable-big-digits; value should be 15 or 30]) ;; +esac +AC_MSG_RESULT($enable_big_digits) +AC_DEFINE_UNQUOTED(PYLONG_BITS_IN_DIGIT, $enable_big_digits, [Define as the preferred size in bits of long digits]) +], +[AC_MSG_RESULT(no value specified)]) + +# check for wchar.h +AC_CHECK_HEADER(wchar.h, [ + AC_DEFINE(HAVE_WCHAR_H, 1, + [Define if the compiler provides a wchar.h header file.]) + wchar_h="yes" +], +wchar_h="no" +) + +# determine wchar_t size +if test "$wchar_h" = yes +then + AC_CHECK_SIZEOF(wchar_t, 4, [#include <wchar.h>]) +fi + +AC_MSG_CHECKING(for UCS-4 tcl) +have_ucs4_tcl=no +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <tcl.h> +#if TCL_UTF_MAX != 6 +# error "NOT UCS4_TCL" +#endif]], [[]])],[ + AC_DEFINE(HAVE_UCS4_TCL, 1, [Define this if you have tcl and TCL_UTF_MAX==6]) + have_ucs4_tcl=yes +],[]) +AC_MSG_RESULT($have_ucs4_tcl) + +# check whether wchar_t is signed or not +if test "$wchar_h" = yes +then + # check whether wchar_t is signed or not + AC_MSG_CHECKING(whether wchar_t is signed) + AC_CACHE_VAL(ac_cv_wchar_t_signed, [ + AC_RUN_IFELSE([AC_LANG_SOURCE([[ + #include <wchar.h> + int main() + { + /* Success: exit code 0 */ + exit((((wchar_t) -1) < ((wchar_t) 0)) ? 0 : 1); + } + ]])], + [ac_cv_wchar_t_signed=yes], + [ac_cv_wchar_t_signed=no], + [ac_cv_wchar_t_signed=yes])]) + AC_MSG_RESULT($ac_cv_wchar_t_signed) +fi + +AC_MSG_CHECKING(what type to use for str) +AC_ARG_WITH(wide-unicode, + AS_HELP_STRING([--with-wide-unicode], [Use 4-byte Unicode characters (default is 2 bytes)]), +[ +if test "$withval" != no +then unicode_size="4" +else unicode_size="2" +fi +], +[ +case "$have_ucs4_tcl" in + yes) unicode_size="4";; + *) unicode_size="2" ;; +esac +]) + +AH_TEMPLATE(Py_UNICODE_SIZE, + [Define as the size of the unicode type.]) +case "$unicode_size" in + 4) + AC_DEFINE(Py_UNICODE_SIZE, 4) + ABIFLAGS="${ABIFLAGS}u" + ;; + *) AC_DEFINE(Py_UNICODE_SIZE, 2) ;; +esac + +AH_TEMPLATE(PY_UNICODE_TYPE, + [Define as the integral type used for Unicode representation.]) + +# wchar_t is only usable if it maps to an unsigned type +if test "$unicode_size" = "$ac_cv_sizeof_wchar_t" \ + -a "$ac_cv_wchar_t_signed" = "no" +then + PY_UNICODE_TYPE="wchar_t" + AC_DEFINE(HAVE_USABLE_WCHAR_T, 1, + [Define if you have a useable wchar_t type defined in wchar.h; useable + means wchar_t must be an unsigned type with at least 16 bits. (see + Include/unicodeobject.h).]) + AC_DEFINE(PY_UNICODE_TYPE,wchar_t) +elif test "$ac_cv_sizeof_short" = "$unicode_size" +then + PY_UNICODE_TYPE="unsigned short" + AC_DEFINE(PY_UNICODE_TYPE,unsigned short) +elif test "$ac_cv_sizeof_long" = "$unicode_size" +then + PY_UNICODE_TYPE="unsigned long" + AC_DEFINE(PY_UNICODE_TYPE,unsigned long) +else + PY_UNICODE_TYPE="no type found" +fi +AC_MSG_RESULT($PY_UNICODE_TYPE) + +# check for endianness +AC_C_BIGENDIAN + +# ABI version string for Python extension modules. This appears between the +# periods in shared library file names, e.g. foo.<SOABI>.so. It is calculated +# from the following attributes which affect the ABI of this Python build (in +# this order): +# +# * The Python implementation (always 'cpython-' for us) +# * The major and minor version numbers +# * --with-pydebug (adds a 'd') +# * --with-pymalloc (adds a 'm') +# * --with-wide-unicode (adds a 'u') +# +# Thus for example, Python 3.2 built with wide unicode, pydebug, and pymalloc, +# would get a shared library ABI version tag of 'cpython-32dmu' and shared +# libraries would be named 'foo.cpython-32dmu.so'. +AC_SUBST(SOABI) +AC_MSG_CHECKING(ABIFLAGS) +AC_MSG_RESULT($ABIFLAGS) +AC_MSG_CHECKING(SOABI) +SOABI='cpython-'`echo $VERSION | tr -d .`${ABIFLAGS} +AC_MSG_RESULT($SOABI) + +AC_MSG_CHECKING(LDVERSION) +LDVERSION='$(VERSION)$(ABIFLAGS)' +AC_MSG_RESULT($LDVERSION) + +# SO is the extension of shared libraries `(including the dot!) +# -- usually .so, .sl on HP-UX, .dll on Cygwin +AC_MSG_CHECKING(SO) +if test -z "$SO" +then + case $ac_sys_system in + hp*|HP*) + case `uname -m` in + ia64) SO=.so;; + *) SO=.sl;; + esac + ;; + CYGWIN*) SO=.dll;; + Linux*|GNU*) + SO=.${SOABI}.so;; + *) SO=.so;; + esac +else + # this might also be a termcap variable, see #610332 + echo + echo '=====================================================================' + echo '+ +' + echo '+ WARNING: You have set SO in your environment. +' + echo '+ Do you really mean to change the extension for shared libraries? +' + echo '+ Continuing in 10 seconds to let you to ponder. +' + echo '+ +' + echo '=====================================================================' + sleep 10 +fi +AC_MSG_RESULT($SO) + +# Check whether right shifting a negative integer extends the sign bit +# or fills with zeros (like the Cray J90, according to Tim Peters). +AC_MSG_CHECKING(whether right shift extends the sign bit) +AC_CACHE_VAL(ac_cv_rshift_extends_sign, [ +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +int main() +{ + exit(((-1)>>3 == -1) ? 0 : 1); +} +]])], +[ac_cv_rshift_extends_sign=yes], +[ac_cv_rshift_extends_sign=no], +[ac_cv_rshift_extends_sign=yes])]) +AC_MSG_RESULT($ac_cv_rshift_extends_sign) +if test "$ac_cv_rshift_extends_sign" = no +then + AC_DEFINE(SIGNED_RIGHT_SHIFT_ZERO_FILLS, 1, + [Define if i>>j for signed int i does not extend the sign bit + when i < 0]) +fi + +# check for getc_unlocked and related locking functions +AC_MSG_CHECKING(for getc_unlocked() and friends) +AC_CACHE_VAL(ac_cv_have_getc_unlocked, [ +AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[ + FILE *f = fopen("/dev/null", "r"); + flockfile(f); + getc_unlocked(f); + funlockfile(f); +]])],[ac_cv_have_getc_unlocked=yes],[ac_cv_have_getc_unlocked=no])]) +AC_MSG_RESULT($ac_cv_have_getc_unlocked) +if test "$ac_cv_have_getc_unlocked" = yes +then + AC_DEFINE(HAVE_GETC_UNLOCKED, 1, + [Define this if you have flockfile(), getc_unlocked(), and funlockfile()]) +fi + +# check where readline lives +# save the value of LIBS so we don't actually link Python with readline +LIBS_no_readline=$LIBS + +# On some systems we need to link readline to a termcap compatible +# library. NOTE: Keep the precedence of listed libraries synchronised +# with setup.py. +py_cv_lib_readline=no +AC_MSG_CHECKING([how to link readline libs]) +for py_libtermcap in "" ncursesw ncurses curses termcap; do + if test -z "$py_libtermcap"; then + READLINE_LIBS="-lreadline" + else + READLINE_LIBS="-lreadline -l$py_libtermcap" + fi + LIBS="$READLINE_LIBS $LIBS_no_readline" + AC_LINK_IFELSE( + [AC_LANG_CALL([],[readline])], + [py_cv_lib_readline=yes]) + if test $py_cv_lib_readline = yes; then + break + fi +done +# Uncomment this line if you want to use READINE_LIBS in Makefile or scripts +#AC_SUBST([READLINE_LIBS]) +if test $py_cv_lib_readline = no; then + AC_MSG_RESULT([none]) +else + AC_MSG_RESULT([$READLINE_LIBS]) + AC_DEFINE(HAVE_LIBREADLINE, 1, + [Define if you have the readline library (-lreadline).]) +fi + +# check for readline 2.1 +AC_CHECK_LIB(readline, rl_callback_handler_install, + AC_DEFINE(HAVE_RL_CALLBACK, 1, + [Define if you have readline 2.1]), ,$READLINE_LIBS) + +# check for readline 2.2 +AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <readline/readline.h>]])], + [have_readline=yes], + [have_readline=no] +) +if test $have_readline = yes +then + AC_EGREP_HEADER([extern int rl_completion_append_character;], + [readline/readline.h], + AC_DEFINE(HAVE_RL_COMPLETION_APPEND_CHARACTER, 1, + [Define if you have readline 2.2]), ) + AC_EGREP_HEADER([extern int rl_completion_suppress_append;], + [readline/readline.h], + AC_DEFINE(HAVE_RL_COMPLETION_SUPPRESS_APPEND, 1, + [Define if you have rl_completion_suppress_append]), ) +fi + +# check for readline 4.0 +AC_CHECK_LIB(readline, rl_pre_input_hook, + AC_DEFINE(HAVE_RL_PRE_INPUT_HOOK, 1, + [Define if you have readline 4.0]), ,$READLINE_LIBS) + +# also in 4.0 +AC_CHECK_LIB(readline, rl_completion_display_matches_hook, + AC_DEFINE(HAVE_RL_COMPLETION_DISPLAY_MATCHES_HOOK, 1, + [Define if you have readline 4.0]), ,$READLINE_LIBS) + +# check for readline 4.2 +AC_CHECK_LIB(readline, rl_completion_matches, + AC_DEFINE(HAVE_RL_COMPLETION_MATCHES, 1, + [Define if you have readline 4.2]), ,$READLINE_LIBS) + +# also in readline 4.2 +AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <readline/readline.h>]])], + [have_readline=yes], + [have_readline=no] +) +if test $have_readline = yes +then + AC_EGREP_HEADER([extern int rl_catch_signals;], + [readline/readline.h], + AC_DEFINE(HAVE_RL_CATCH_SIGNAL, 1, + [Define if you can turn off readline's signal handling.]), ) +fi + +# End of readline checks: restore LIBS +LIBS=$LIBS_no_readline + +AC_MSG_CHECKING(for broken nice()) +AC_CACHE_VAL(ac_cv_broken_nice, [ +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +int main() +{ + int val1 = nice(1); + if (val1 != -1 && val1 == nice(2)) + exit(0); + exit(1); +} +]])], +[ac_cv_broken_nice=yes], +[ac_cv_broken_nice=no], +[ac_cv_broken_nice=no])]) +AC_MSG_RESULT($ac_cv_broken_nice) +if test "$ac_cv_broken_nice" = yes +then + AC_DEFINE(HAVE_BROKEN_NICE, 1, + [Define if nice() returns success/failure instead of the new priority.]) +fi + +AC_MSG_CHECKING(for broken poll()) +AC_CACHE_VAL(ac_cv_broken_poll, +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <poll.h> + +int main() +{ + struct pollfd poll_struct = { 42, POLLIN|POLLPRI|POLLOUT, 0 }; + int poll_test; + + close (42); + + poll_test = poll(&poll_struct, 1, 0); + if (poll_test < 0) + return 0; + else if (poll_test == 0 && poll_struct.revents != POLLNVAL) + return 0; + else + return 1; +} +]])], +[ac_cv_broken_poll=yes], +[ac_cv_broken_poll=no], +[ac_cv_broken_poll=no])) +AC_MSG_RESULT($ac_cv_broken_poll) +if test "$ac_cv_broken_poll" = yes +then + AC_DEFINE(HAVE_BROKEN_POLL, 1, + [Define if poll() sets errno on invalid file descriptors.]) +fi + +# Before we can test tzset, we need to check if struct tm has a tm_zone +# (which is not required by ISO C or UNIX spec) and/or if we support +# tzname[] +AC_STRUCT_TIMEZONE + +# check tzset(3) exists and works like we expect it to +AC_MSG_CHECKING(for working tzset()) +AC_CACHE_VAL(ac_cv_working_tzset, [ +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <stdlib.h> +#include <time.h> +#include <string.h> + +#if HAVE_TZNAME +extern char *tzname[]; +#endif + +int main() +{ + /* Note that we need to ensure that not only does tzset(3) + do 'something' with localtime, but it works as documented + in the library reference and as expected by the test suite. + This includes making sure that tzname is set properly if + tm->tm_zone does not exist since it is the alternative way + of getting timezone info. + + Red Hat 6.2 doesn't understand the southern hemisphere + after New Year's Day. + */ + + time_t groundhogday = 1044144000; /* GMT-based */ + time_t midyear = groundhogday + (365 * 24 * 3600 / 2); + + putenv("TZ=UTC+0"); + tzset(); + if (localtime(&groundhogday)->tm_hour != 0) + exit(1); +#if HAVE_TZNAME + /* For UTC, tzname[1] is sometimes "", sometimes " " */ + if (strcmp(tzname[0], "UTC") || + (tzname[1][0] != 0 && tzname[1][0] != ' ')) + exit(1); +#endif + + putenv("TZ=EST+5EDT,M4.1.0,M10.5.0"); + tzset(); + if (localtime(&groundhogday)->tm_hour != 19) + exit(1); +#if HAVE_TZNAME + if (strcmp(tzname[0], "EST") || strcmp(tzname[1], "EDT")) + exit(1); +#endif + + putenv("TZ=AEST-10AEDT-11,M10.5.0,M3.5.0"); + tzset(); + if (localtime(&groundhogday)->tm_hour != 11) + exit(1); +#if HAVE_TZNAME + if (strcmp(tzname[0], "AEST") || strcmp(tzname[1], "AEDT")) + exit(1); +#endif + +#if HAVE_STRUCT_TM_TM_ZONE + if (strcmp(localtime(&groundhogday)->tm_zone, "AEDT")) + exit(1); + if (strcmp(localtime(&midyear)->tm_zone, "AEST")) + exit(1); +#endif + + exit(0); +} +]])], +[ac_cv_working_tzset=yes], +[ac_cv_working_tzset=no], +[ac_cv_working_tzset=no])]) +AC_MSG_RESULT($ac_cv_working_tzset) +if test "$ac_cv_working_tzset" = yes +then + AC_DEFINE(HAVE_WORKING_TZSET, 1, + [Define if tzset() actually switches the local timezone in a meaningful way.]) +fi + +# Look for subsecond timestamps in struct stat +AC_MSG_CHECKING(for tv_nsec in struct stat) +AC_CACHE_VAL(ac_cv_stat_tv_nsec, +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[ +struct stat st; +st.st_mtim.tv_nsec = 1; +]])], +[ac_cv_stat_tv_nsec=yes], +[ac_cv_stat_tv_nsec=no])) +AC_MSG_RESULT($ac_cv_stat_tv_nsec) +if test "$ac_cv_stat_tv_nsec" = yes +then + AC_DEFINE(HAVE_STAT_TV_NSEC, 1, + [Define if you have struct stat.st_mtim.tv_nsec]) +fi + +# Look for BSD style subsecond timestamps in struct stat +AC_MSG_CHECKING(for tv_nsec2 in struct stat) +AC_CACHE_VAL(ac_cv_stat_tv_nsec2, +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[ +struct stat st; +st.st_mtimespec.tv_nsec = 1; +]])], +[ac_cv_stat_tv_nsec2=yes], +[ac_cv_stat_tv_nsec2=no])) +AC_MSG_RESULT($ac_cv_stat_tv_nsec2) +if test "$ac_cv_stat_tv_nsec2" = yes +then + AC_DEFINE(HAVE_STAT_TV_NSEC2, 1, + [Define if you have struct stat.st_mtimensec]) +fi + +# On HP/UX 11.0, mvwdelch is a block with a return statement +AC_MSG_CHECKING(whether mvwdelch is an expression) +AC_CACHE_VAL(ac_cv_mvwdelch_is_expression, +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[ + int rtn; + rtn = mvwdelch(0,0,0); +]])], +[ac_cv_mvwdelch_is_expression=yes], +[ac_cv_mvwdelch_is_expression=no])) +AC_MSG_RESULT($ac_cv_mvwdelch_is_expression) + +if test "$ac_cv_mvwdelch_is_expression" = yes +then + AC_DEFINE(MVWDELCH_IS_EXPRESSION, 1, + [Define if mvwdelch in curses.h is an expression.]) +fi + +AC_MSG_CHECKING(whether WINDOW has _flags) +AC_CACHE_VAL(ac_cv_window_has_flags, +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[ + WINDOW *w; + w->_flags = 0; +]])], +[ac_cv_window_has_flags=yes], +[ac_cv_window_has_flags=no])) +AC_MSG_RESULT($ac_cv_window_has_flags) + + +if test "$ac_cv_window_has_flags" = yes +then + AC_DEFINE(WINDOW_HAS_FLAGS, 1, + [Define if WINDOW in curses.h offers a field _flags.]) +fi + +AC_MSG_CHECKING(for is_term_resized) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[void *x=is_term_resized]])], + [AC_DEFINE(HAVE_CURSES_IS_TERM_RESIZED, 1, Define if you have the 'is_term_resized' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no)] +) + +AC_MSG_CHECKING(for resize_term) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[void *x=resize_term]])], + [AC_DEFINE(HAVE_CURSES_RESIZE_TERM, 1, Define if you have the 'resize_term' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no)] +) + +AC_MSG_CHECKING(for resizeterm) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[void *x=resizeterm]])], + [AC_DEFINE(HAVE_CURSES_RESIZETERM, 1, Define if you have the 'resizeterm' function.) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no)] +) + +AC_MSG_CHECKING(for /dev/ptmx) + +if test -r /dev/ptmx +then + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_DEV_PTMX, 1, + [Define if we have /dev/ptmx.]) +else + AC_MSG_RESULT(no) +fi + +AC_MSG_CHECKING(for /dev/ptc) + +if test -r /dev/ptc +then + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_DEV_PTC, 1, + [Define if we have /dev/ptc.]) +else + AC_MSG_RESULT(no) +fi + +if test "$have_long_long" = yes +then + AC_MSG_CHECKING(for %lld and %llu printf() format support) + AC_CACHE_VAL(ac_cv_have_long_long_format, + AC_RUN_IFELSE([AC_LANG_SOURCE([[[ + #include <stdio.h> + #include <stddef.h> + #include <string.h> + + #ifdef HAVE_SYS_TYPES_H + #include <sys/types.h> + #endif + + int main() + { + char buffer[256]; + + if (sprintf(buffer, "%lld", (long long)123) < 0) + return 1; + if (strcmp(buffer, "123")) + return 1; + + if (sprintf(buffer, "%lld", (long long)-123) < 0) + return 1; + if (strcmp(buffer, "-123")) + return 1; + + if (sprintf(buffer, "%llu", (unsigned long long)123) < 0) + return 1; + if (strcmp(buffer, "123")) + return 1; + + return 0; + } + ]]])], + [ac_cv_have_long_long_format=yes], + [ac_cv_have_long_long_format=no], + [ac_cv_have_long_long_format=no]) + ) + AC_MSG_RESULT($ac_cv_have_long_long_format) +fi + +if test "$ac_cv_have_long_long_format" = yes +then + AC_DEFINE(PY_FORMAT_LONG_LONG, "ll", + [Define to printf format modifier for long long type]) +fi + +if test $ac_sys_system = Darwin +then + LIBS="$LIBS -framework CoreFoundation" +fi + +AC_CACHE_CHECK([for %zd printf() format support], ac_cv_have_size_t_format, [dnl +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <stdio.h> +#include <stddef.h> +#include <string.h> + +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif + +#ifdef HAVE_SSIZE_T +typedef ssize_t Py_ssize_t; +#elif SIZEOF_VOID_P == SIZEOF_LONG +typedef long Py_ssize_t; +#else +typedef int Py_ssize_t; +#endif + +int main() +{ + char buffer[256]; + + if(sprintf(buffer, "%zd", (size_t)123) < 0) + return 1; + + if (strcmp(buffer, "123")) + return 1; + + if (sprintf(buffer, "%zd", (Py_ssize_t)-123) < 0) + return 1; + + if (strcmp(buffer, "-123")) + return 1; + + return 0; +} +]])], + [ac_cv_have_size_t_format=yes], + [ac_cv_have_size_t_format=no], + [ac_cv_have_size_t_format="cross -- assuming yes" +])]) +if test "$ac_cv_have_size_t_format" != no ; then + AC_DEFINE(PY_FORMAT_SIZE_T, "z", + [Define to printf format modifier for Py_ssize_t]) +fi + +AC_CHECK_TYPE(socklen_t,, + AC_DEFINE(socklen_t,int, + [Define to `int' if <sys/socket.h> does not define.]),[ +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +]) + +AC_MSG_CHECKING(for broken mbstowcs) +AC_CACHE_VAL(ac_cv_broken_mbstowcs, +AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include<stdlib.h> +int main() { + size_t len = -1; + const char *str = "text"; + len = mbstowcs(NULL, str, 0); + return (len != 4); +} +]])], +[ac_cv_broken_mbstowcs=no], +[ac_cv_broken_mbstowcs=yes], +[ac_cv_broken_mbstowcs=no])) +AC_MSG_RESULT($ac_cv_broken_mbstowcs) +if test "$ac_cv_broken_mbstowcs" = yes +then + AC_DEFINE(HAVE_BROKEN_MBSTOWCS, 1, + [Define if mbstowcs(NULL, "text", 0) does not return the number of + wide chars that would be converted.]) +fi + +AC_MSG_CHECKING(whether $CC supports computed gotos) +AC_CACHE_VAL(ac_cv_computed_gotos, +AC_RUN_IFELSE([AC_LANG_SOURCE([[[ +int main(int argc, char **argv) +{ + static void *targets[1] = { &&LABEL1 }; + goto LABEL2; +LABEL1: + return 0; +LABEL2: + goto *targets[0]; + return 1; +} +]]])], +[ac_cv_computed_gotos=yes], +[ac_cv_computed_gotos=no], +[ac_cv_computed_gotos=no])) +AC_MSG_RESULT($ac_cv_computed_gotos) +if test "$ac_cv_computed_gotos" = yes +then + AC_DEFINE(HAVE_COMPUTED_GOTOS, 1, + [Define if the C compiler supports computed gotos.]) +fi + +# Check for --with-computed-gotos +AC_MSG_CHECKING(for --with-computed-gotos) +AC_ARG_WITH(computed-gotos, + AS_HELP_STRING([--with(out)-computed-gotos], + [Use computed gotos in evaluation loop (enabled by default on supported compilers)]), +[ +if test "$withval" = yes +then + AC_DEFINE(USE_COMPUTED_GOTOS, 1, + [Define if you want to use computed gotos in ceval.c.]) + AC_MSG_RESULT(yes) +fi +if test "$withval" = no +then + AC_DEFINE(USE_COMPUTED_GOTOS, 0, + [Define if you want to use computed gotos in ceval.c.]) + AC_MSG_RESULT(no) +fi +], +[AC_MSG_RESULT(no value specified)]) + +case $ac_sys_system in +AIX*) + AC_DEFINE(HAVE_BROKEN_PIPE_BUF, 1, [Define if the system reports an invalid PIPE_BUF value.]) ;; +esac + + +case $ac_sys_system in + OSF*) AC_MSG_ERROR(OSF* systems are deprecated unless somebody volunteers. Check http://bugs.python.org/issue8606) ;; +esac + +AC_CHECK_FUNC(pipe2, AC_DEFINE(HAVE_PIPE2, 1, [Define if the OS supports pipe2()]), ) + +AC_SUBST(THREADHEADERS) + +for h in `(cd $srcdir;echo Python/thread_*.h)` +do + THREADHEADERS="$THREADHEADERS \$(srcdir)/$h" +done + +AC_SUBST(SRCDIRS) +SRCDIRS="Parser Grammar Objects Python Modules Mac" +AC_MSG_CHECKING(for build directories) +for dir in $SRCDIRS; do + if test ! -d $dir; then + mkdir $dir + fi +done +AC_MSG_RESULT(done) + +# generate output files +AC_CONFIG_FILES(Makefile.pre Modules/Setup.config Misc/python.pc) +AC_CONFIG_FILES([Modules/ld_so_aix], [chmod +x Modules/ld_so_aix]) +AC_OUTPUT + +echo "creating Modules/Setup" +if test ! -f Modules/Setup +then + cp $srcdir/Modules/Setup.dist Modules/Setup +fi + +echo "creating Modules/Setup.local" +if test ! -f Modules/Setup.local +then + echo "# Edit this file for local setup changes" >Modules/Setup.local +fi + +echo "creating Makefile" +$SHELL $srcdir/Modules/makesetup -c $srcdir/Modules/config.c.in \ + -s Modules Modules/Setup.config \ + Modules/Setup.local Modules/Setup +mv config.c Modules |