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-rw-r--r--configure.ac821
1 files changed, 549 insertions, 272 deletions
diff --git a/configure.ac b/configure.ac
index 19cf1ae..75eb5da 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,22 +3,77 @@ 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 $1 is required for Python], 63)])
-])
+m4_define(PYTHON_VERSION, 3.3)
+
AC_PREREQ(2.65)
-AC_REVISION($Revision$)
AC_INIT(python, PYTHON_VERSION, http://bugs.python.org/)
+
+AC_SUBST(BASECPPFLAGS)
+if test "$abs_srcdir" != "$abs_builddir"; then
+ # If we're building out-of-tree, we need to make sure the following
+ # resources get picked up before their $srcdir counterparts.
+ # Objects/ -> typeslots.inc
+ # Include/ -> Python-ast.h, graminit.h
+ # Python/ -> importlib.h
+ # (A side effect of this is that these resources will automatically be
+ # regenerated when building out-of-tree, regardless of whether or not
+ # the $srcdir counterpart is up-to-date. This is an acceptable trade
+ # off.)
+ BASECPPFLAGS="-IObjects -IInclude -IPython"
+else
+ BASECPPFLAGS=""
+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 $HAS_HG = found
+then
+ HGVERSION="hg id -i \$(srcdir)"
+ HGTAG="hg id -t \$(srcdir)"
+ HGBRANCH="hg id -b \$(srcdir)"
+else
+ HGVERSION=""
+ HGTAG=""
+ HGBRANCH=""
+fi
+
AC_CONFIG_SRCDIR([Include/object.h])
AC_CONFIG_HEADER(pyconfig.h)
+AC_CANONICAL_HOST
+
+if test "$cross_compiling" = yes; then
+ AC_MSG_CHECKING([for python interpreter for cross build])
+ if test -z "$PYTHON_FOR_BUILD"; then
+ for interp in python$PACKAGE_VERSION python3 python; do
+ which $interp >/dev/null 2>&1 || continue
+ if $interp -c 'import sys;sys.exit(not sys.version_info@<:@:2@:>@ >= (3,3))'; then
+ break
+ fi
+ interp=
+ done
+ if test x$interp = x; then
+ AC_MSG_ERROR([python$PACKAGE_VERSION interpreter not found])
+ fi
+ AC_MSG_RESULT($interp)
+ PYTHON_FOR_BUILD='_PYTHON_PROJECT_BASE=$(abs_builddir) _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(shell test -f pybuilddir.txt && echo $(abs_builddir)/`cat pybuilddir.txt`:)$(srcdir)/Lib:$(srcdir)/Lib/plat-$(MACHDEP) '$interp
+ fi
+elif test "$cross_compiling" = maybe; then
+ AC_MSG_ERROR([Cross compiling required --host=HOST-TUPLE and --build=ARCH])
+else
+ PYTHON_FOR_BUILD='./$(BUILDPYTHON) -E'
+fi
+AC_SUBST(PYTHON_FOR_BUILD)
+
dnl Ensure that if prefix is specified, it does not end in a slash. If
dnl it does, we get path names containing '//' which is both ugly and
dnl can cause trouble.
@@ -88,14 +143,20 @@ CONFIG_ARGS="$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)]),
+ AS_HELP_STRING([--enable-universalsdk@<:@=SDKDIR@:>@], [Build fat binary against Mac OS X SDK]),
[
case $enableval in
yes)
- enableval=/Developer/SDKs/MacOSX10.4u.sdk
- if test ! -d "${enableval}"
+ # Locate the best usable SDK, see Mac/README.txt for more
+ # information
+ enableval="`/usr/bin/xcodebuild -version -sdk macosx Path 2>/dev/null`"
+ if test -z "${enableval}"
then
- enableval=/
+ enableval=/Developer/SDKs/MacOSX10.4u.sdk
+ if test ! -d "${enableval}"
+ then
+ enableval=/
+ fi
fi
;;
esac
@@ -127,7 +188,20 @@ AC_SUBST(UNIVERSALSDK)
AC_SUBST(ARCH_RUN_32BIT)
+# For backward compatibility reasons we prefer to select '32-bit' if available,
+# otherwise use 'intel'
UNIVERSAL_ARCHS="32-bit"
+if test "`uname -s`" = "Darwin"
+then
+ if test -n "${UNIVERSALSDK}"
+ then
+ if test -z "`/usr/bin/file "${UNIVERSALSDK}/usr/lib/libSystem.dylib" | grep ppc`"
+ then
+ UNIVERSAL_ARCHS="intel"
+ fi
+ fi
+fi
+
AC_SUBST(LIPO_32BIT_FLAGS)
AC_MSG_CHECKING(for --with-universal-archs)
AC_ARG_WITH(universal-archs,
@@ -137,7 +211,7 @@ AC_ARG_WITH(universal-archs,
UNIVERSAL_ARCHS="$withval"
],
[
- AC_MSG_RESULT(32-bit)
+ AC_MSG_RESULT(${UNIVERSAL_ARCHS})
])
@@ -276,6 +350,25 @@ AC_SUBST(MACHDEP)
AC_MSG_CHECKING(MACHDEP)
if test -z "$MACHDEP"
then
+ # avoid using uname for cross builds
+ if test "$cross_compiling" = yes; then
+ # ac_sys_system and ac_sys_release are used for setting
+ # a lot of different things including 'define_xopen_source'
+ # in the case statement below.
+ case "$host" in
+ *-*-linux*)
+ ac_sys_system=Linux
+ ;;
+ *-*-cygwin*)
+ ac_sys_system=Cygwin
+ ;;
+ *)
+ # for now, limit cross builds to known configurations
+ MACHDEP="unknown"
+ AC_MSG_ERROR([cross build not supported for $host])
+ esac
+ ac_sys_release=
+ else
ac_sys_system=`uname -s`
if test "$ac_sys_system" = "AIX" \
-o "$ac_sys_system" = "UnixWare" -o "$ac_sys_system" = "OpenUNIX"; then
@@ -283,19 +376,43 @@ then
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";;
+ 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 $MACHDEP in
+ linux*) MACHDEP="linux";;
cygwin*) MACHDEP="cygwin";;
darwin*) MACHDEP="darwin";;
- irix646) MACHDEP="irix6";;
+ irix646) MACHDEP="irix6";;
'') MACHDEP="unknown";;
+ esac
+fi
+
+AC_SUBST(_PYTHON_HOST_PLATFORM)
+if test "$cross_compiling" = yes; then
+ case "$host" in
+ *-*-linux*)
+ case "$host_cpu" in
+ arm*)
+ _host_cpu=arm
+ ;;
+ *)
+ _host_cpu=$host_cpu
+ esac
+ ;;
+ *-*-cygwin*)
+ _host_cpu=
+ ;;
+ *)
+ # for now, limit cross builds to known configurations
+ MACHDEP="unknown"
+ AC_MSG_ERROR([cross build not supported for $host])
esac
+ _PYTHON_HOST_PLATFORM="$MACHDEP${_host_cpu:+-$_host_cpu}"
fi
# Some systems cannot stand _XOPEN_SOURCE being defined at all; they
@@ -383,7 +500,8 @@ esac
if test $define_xopen_source = yes
then
- AC_DEFINE(_XOPEN_SOURCE, 600,
+ # X/Open 7, incorporating POSIX.1-2008
+ AC_DEFINE(_XOPEN_SOURCE, 700,
Define to the level of X/Open that your system supports)
# On Tru64 Unix 4.0F, defining _XOPEN_SOURCE also requires
@@ -393,8 +511,7 @@ then
AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1,
Define to activate Unix95-and-earlier features)
- AC_DEFINE(_POSIX_C_SOURCE, 200112L, Define to activate features from IEEE Stds 1003.1-2001)
-
+ AC_DEFINE(_POSIX_C_SOURCE, 200809L, Define to activate features from IEEE Stds 1003.1-2008)
fi
#
@@ -423,10 +540,6 @@ AC_SUBST(EXPORT_MACOSX_DEPLOYMENT_TARGET)
CONFIGURE_MACOSX_DEPLOYMENT_TARGET=
EXPORT_MACOSX_DEPLOYMENT_TARGET='#'
-AC_MSG_CHECKING(machine type as reported by uname -m)
-ac_sys_machine=`uname -m`
-AC_MSG_RESULT($ac_sys_machine)
-
# checks for alternative programs
# compiler flags are generated in two sets, BASECFLAGS and OPT. OPT is just
@@ -469,6 +582,63 @@ fi
if test -z "$CFLAGS"; then
CFLAGS=
fi
+
+if test "$ac_sys_system" = "Darwin"
+then
+ # Compiler selection on MacOSX is more complicated than
+ # AC_PROG_CC can handle, see Mac/README.txt for more
+ # information
+ if test -z "${CC}"
+ then
+ found_gcc=
+ found_clang=
+ as_save_IFS=$IFS; IFS=:
+ for as_dir in $PATH
+ do
+ IFS=$as_save_IFS
+ if test -x $as_dir/gcc; then
+ if test -z "${found_gcc}"; then
+ found_gcc=$as_dir/gcc
+ fi
+ fi
+ if test -x $as_dir/clang; then
+ if test -z "${found_clang}"; then
+ found_clang=$as_dir/clang
+ fi
+ fi
+ done
+ IFS=$as_save_IFS
+
+ if test -n "$found_gcc" -a -n "$found_clang"
+ then
+ if test -n "`"$found_gcc" --version | grep llvm-gcc`"
+ then
+ AC_MSG_NOTICE([Detected llvm-gcc, falling back to clang])
+ CC="$found_clang"
+ CXX="$found_clang++"
+ fi
+
+
+ elif test -z "$found_gcc" -a -n "$found_clang"
+ then
+ AC_MSG_NOTICE([No GCC found, use CLANG])
+ CC="$found_clang"
+ CXX="$found_clang++"
+
+ elif test -z "$found_gcc" -a -z "$found_clang"
+ then
+ found_clang=`/usr/bin/xcrun -find clang 2>/dev/null`
+ if test -n "${found_clang}"
+ then
+ AC_MSG_NOTICE([Using clang from Xcode.app])
+ CC="${found_clang}"
+ CXX="`/usr/bin/xcrun -find clang++`"
+
+ # else: use default behaviour
+ fi
+ fi
+ fi
+fi
AC_PROG_CC
AC_SUBST(CXX)
@@ -500,8 +670,9 @@ preset_cxx="$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]) ;;
+ gcc) AC_PATH_TOOL(CXX, [g++], [g++], [notfound]) ;;
+ cc) AC_PATH_TOOL(CXX, [c++], [c++], [notfound]) ;;
+ clang|*/clang) AC_PATH_TOOL(CXX, [clang++], [clang++], [notfound]) ;;
esac
if test "$CXX" = "notfound"
then
@@ -510,7 +681,7 @@ then
fi
if test -z "$CXX"
then
- AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++ cl, notfound)
+ AC_CHECK_TOOLS(CXX, $CCC c++ g++ gcc CC cxx cc++ cl, notfound)
if test "$CXX" = "notfound"
then
CXX=""
@@ -707,22 +878,23 @@ 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 $LDFLAGS"
- ;;
-esac
+ AS_HELP_STRING([--enable-profiling], [enable C-level code profiling]))
+if test "x$enable_profiling" = xyes; then
+ ac_save_cc="$CC"
+ CC="$(CC) -pg"
+ AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
+ [],
+ [enable_profiling=no])
+ CC="$ac_save_cc"
+else
+ enable_profiling=no
+fi
+AC_MSG_RESULT($enable_profiling)
+
+if test "x$enable_profiling" = xyes; then
+ BASECFLAGS="-pg $BASECFLAGS"
+ LDFLAGS="-pg $LDFLAGS"
+fi
AC_MSG_CHECKING(LDLIBRARY)
@@ -786,11 +958,6 @@ if test $enable_shared = "yes"; then
BLDLIBRARY='-Wl,+b,$(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$(LDVERSION)'
@@ -811,11 +978,15 @@ else # shared is disabled
esac
fi
+if test "$cross_compiling" = yes; then
+ RUNSHARED=
+fi
+
AC_MSG_RESULT($LDLIBRARY)
AC_PROG_RANLIB
AC_SUBST(AR)
-AC_CHECK_PROGS(AR, ar aal, ar)
+AC_CHECK_TOOLS(AR, ar aal, ar)
# tweak ARFLAGS only if the user didn't set it on the command line
AC_SUBST(ARFLAGS)
@@ -824,51 +995,15 @@ then
ARFLAGS="rc"
fi
-AC_SUBST(SVNVERSION)
-AC_CHECK_PROG(SVNVERSION, svnversion, found, not-found)
-if test $SVNVERSION = found
-then
- SVNVERSION="svnversion \$(srcdir)"
-else
- SVNVERSION="echo Unversioned directory"
-fi
-
-AC_SUBST(BASECPPFLAGS)
-if test "$abs_srcdir" != "$abs_builddir"; then
- # If we're building out-of-tree, we need to make sure the following
- # resources get picked up before their $srcdir counterparts.
- # Objects/ -> typeslots.inc
- # Include/ -> Python-ast.h, graminit.h
- # Python/ -> importlib.h
- # (A side effect of this is that these resources will automatically be
- # regenerated when building out-of-tree, regardless of whether or not
- # the $srcdir counterpart is up-to-date. This is an acceptable trade
- # off.)
- BASECPPFLAGS="-IObjects -IInclude -IPython"
-else
- BASECPPFLAGS=""
-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 $HAS_HG = found
-then
- HGVERSION="hg id -i \$(srcdir)"
- HGTAG="hg id -t \$(srcdir)"
- HGBRANCH="hg id -b \$(srcdir)"
-else
- HGVERSION=""
- HGTAG=""
- HGBRANCH=""
+AC_CHECK_TOOLS([READELF], [readelf], [:])
+if test "$cross_compiling" = yes; then
+ case "$READELF" in
+ readelf|:)
+ AC_MSG_ERROR([readelf for the host is required for cross builds])
+ ;;
+ esac
fi
+AC_SUBST(READELF)
AC_SUBST(ASDLGEN)
AC_CHECK_PROGS(PYTHON, python$PACKAGE_VERSION python3 python, not-found)
@@ -1023,10 +1158,32 @@ yes)
BASECFLAGS="$BASECFLAGS -fno-strict-aliasing"
fi
+ AC_MSG_CHECKING(if we can turn off $CC unused result warning)
+ ac_save_cc="$CC"
+ CC="$CC -Wunused-result -Werror"
+ save_CFLAGS="$CFLAGS"
+ AC_CACHE_VAL(ac_cv_disable_unused_result_warning,
+ AC_COMPILE_IFELSE(
+ [
+ AC_LANG_PROGRAM([[]], [[]])
+ ],[
+ ac_cv_disable_unused_result_warning=yes
+ ],[
+ ac_cv_disable_unused_result_warning=no
+ ]))
+ CFLAGS="$save_CFLAGS"
+ CC="$ac_save_cc"
+ AC_MSG_RESULT($ac_cv_disable_unused_result_warning)
+
+ if test $ac_cv_disable_unused_result_warning = yes
+ then
+ BASECFLAGS="$BASECFLAGS -Wno-unused-result"
+ 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
+ case $host in
alpha*)
BASECFLAGS="$BASECFLAGS -mieee"
;;
@@ -1100,7 +1257,9 @@ yes)
# 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
+ if test ${cur_target} '>' 10.2 && \
+ test ${cur_target} '<' 10.6
+ then
cur_target=10.3
if test ${enable_universalsdk}; then
if test "${UNIVERSAL_ARCHS}" = "all"; then
@@ -1139,9 +1298,6 @@ yes)
EXPORT_MACOSX_DEPLOYMENT_TARGET=''
;;
- OSF*)
- BASECFLAGS="$BASECFLAGS -mieee"
- ;;
esac
;;
@@ -1150,9 +1306,6 @@ yes)
OpenUNIX*|UnixWare*)
BASECFLAGS="$BASECFLAGS -K pentium,host,inline,loop_unroll,alloca "
;;
- OSF*)
- BASECFLAGS="$BASECFLAGS -ieee -std"
- ;;
SCO_SV*)
BASECFLAGS="$BASECFLAGS -belf -Ki486 -DSCO5"
;;
@@ -1197,6 +1350,7 @@ fi
AC_MSG_CHECKING(whether pthreads are available without options)
AC_CACHE_VAL(ac_cv_pthread_is_default,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdio.h>
#include <pthread.h>
void* routine(void* p){return NULL;}
@@ -1231,6 +1385,7 @@ AC_CACHE_VAL(ac_cv_kpthread,
[ac_save_cc="$CC"
CC="$CC -Kpthread"
AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdio.h>
#include <pthread.h>
void* routine(void* p){return NULL;}
@@ -1259,6 +1414,7 @@ AC_CACHE_VAL(ac_cv_kthread,
[ac_save_cc="$CC"
CC="$CC -Kthread"
AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdio.h>
#include <pthread.h>
void* routine(void* p){return NULL;}
@@ -1287,6 +1443,7 @@ AC_CACHE_VAL(ac_cv_pthread,
[ac_save_cc="$CC"
CC="$CC -pthread"
AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdio.h>
#include <pthread.h>
void* routine(void* p){return NULL;}
@@ -1353,21 +1510,42 @@ dnl AC_MSG_RESULT($cpp_type)
# checks for header files
AC_HEADER_STDC
+ac_save_cppflags="$CPPFLAGS"
+CPPFLAGS="$CPPFLAGS -I/usr/include/ncursesw"
AC_CHECK_HEADERS(asm/types.h conio.h curses.h direct.h dlfcn.h errno.h \
fcntl.h grp.h \
-ieeefp.h io.h langinfo.h libintl.h ncurses.h poll.h process.h pthread.h \
-shadow.h signal.h stdint.h stropts.h termios.h thread.h \
+ieeefp.h io.h langinfo.h libintl.h ncurses.h process.h pthread.h \
+sched.h shadow.h signal.h stdint.h stropts.h termios.h \
unistd.h utime.h \
-sys/audioio.h sys/bsdtty.h sys/epoll.h sys/event.h sys/file.h sys/loadavg.h \
-sys/lock.h sys/mkdev.h sys/modem.h \
-sys/param.h sys/poll.h sys/select.h sys/socket.h sys/statvfs.h sys/stat.h \
-sys/syscall.h sys/termio.h sys/time.h \
-sys/times.h sys/types.h sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h \
-sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
+poll.h sys/devpoll.h sys/epoll.h sys/poll.h \
+sys/audioio.h sys/xattr.h sys/bsdtty.h sys/event.h sys/file.h sys/ioctl.h \
+sys/kern_control.h sys/loadavg.h sys/lock.h sys/mkdev.h sys/modem.h \
+sys/param.h sys/select.h sys/sendfile.h sys/socket.h sys/statvfs.h \
+sys/stat.h sys/syscall.h sys/sys_domain.h sys/termio.h sys/time.h \
+sys/times.h sys/types.h sys/uio.h sys/un.h sys/utsname.h sys/wait.h pty.h \
+libutil.h sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
bluetooth/bluetooth.h linux/tipc.h spawn.h util.h)
+CPPFLAGS=$ac_save_cppflags
AC_HEADER_DIRENT
AC_HEADER_MAJOR
+# On Darwin (OS X) net/if.h requires sys/socket.h to be imported first.
+AC_CHECK_HEADERS([net/if.h], [], [],
+[#include <stdio.h>
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+])
+
+
# On Solaris, term.h requires curses.h
AC_CHECK_HEADERS(term.h,,,[
#ifdef HAVE_CURSES_H
@@ -1385,6 +1563,13 @@ AC_CHECK_HEADERS(linux/netlink.h,,,[
#endif
])
+# On Linux, can.h and can/raw.h require sys/socket.h
+AC_CHECK_HEADERS(linux/can.h linux/can/raw.h,,,[
+#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)
@@ -1393,7 +1578,6 @@ AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, [
])
AC_MSG_RESULT($was_it_defined)
-# Check whether using makedev requires defining _OSF_SOURCE
AC_MSG_CHECKING(for makedev)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#if defined(MAJOR_IN_MKDEV)
@@ -1406,19 +1590,6 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
]], [[
makedev(0, 0) ]])
],[ac_cv_has_makedev=yes],[ac_cv_has_makedev=no])
-if test "$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 "$ac_cv_has_makedev" = "yes"; then
AC_DEFINE(HAVE_MAKEDEV, 1, [Define this if you have the makedev macro.])
@@ -1498,6 +1669,8 @@ AC_TYPE_INT64_T
AC_CHECK_TYPE(ssize_t,
AC_DEFINE(HAVE_SSIZE_T, 1, [Define if your compiler provides ssize_t]),,)
+AC_CHECK_TYPE(__uint128_t,
+ AC_DEFINE(HAVE_GCC_UINT128_T, 1, [Define if your compiler provides __uint128_t]),,)
# Sizes of various common basic types
# ANSI C requires sizeof(char) == 1, so no need to check it
@@ -1728,7 +1901,6 @@ AC_SUBST(BLDSHARED)
AC_SUBST(CCSHARED)
AC_SUBST(LINKFORSHARED)
-AC_DEFINE_UNQUOTED(SHLIB_EXT, "$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
@@ -1758,7 +1930,6 @@ then
else
LDSHARED='ld -b'
fi ;;
- OSF*) LDSHARED="ld -shared -expect_unresolved \"*\"";;
Darwin/1.3*)
LDSHARED='$(CC) -bundle'
LDCXXSHARED='$(CXX) -bundle'
@@ -1988,6 +2159,7 @@ AC_MSG_RESULT($SHLIBS)
# checks for libraries
+AC_CHECK_LIB(sendfile, sendfile)
AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
@@ -2061,6 +2233,15 @@ AC_SUBST(LIBFFI_INCLUDEDIR)
AC_MSG_RESULT($with_system_ffi)
+# Check for use of the system libmpdec library
+AC_MSG_CHECKING(for --with-system-libmpdec)
+AC_ARG_WITH(system_libmpdec,
+ AS_HELP_STRING([--with-system-libmpdec], [build _decimal module using an installed libmpdec library]),
+ [],
+ [with_system_libmpdec="no"])
+
+AC_MSG_RESULT($with_system_libmpdec)
+
# Check for support for loadable sqlite extensions
AC_MSG_CHECKING(for --enable-loadable-sqlite-extensions)
AC_ARG_ENABLE(loadable-sqlite-extensions,
@@ -2112,21 +2293,10 @@ fi
AC_SUBST(USE_THREAD_MODULE)
USE_THREAD_MODULE=""
-AC_MSG_CHECKING(for --with-dec-threads)
AC_SUBST(LDLAST)
-AC_ARG_WITH(dec-threads,
- AS_HELP_STRING([--with-dec-threads], [use DEC Alpha/OSF1 thread-safe libraries]),
-[
-AC_MSG_RESULT($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,
@@ -2208,24 +2378,15 @@ yes
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>
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <stdio.h>
+#include <pthread.h>
void * start_routine (void *arg) { exit (0); }]], [[
pthread_create (NULL, NULL, start_routine, NULL)]])],[
@@ -2254,7 +2415,7 @@ pthread_create (NULL, NULL, start_routine, NULL)]])],[
LIBS="$LIBS -lcma"
THREADOBJ="Python/thread.o"],[
USE_THREAD_MODULE="#"])
- ])])])])])])])
+ ])])])])])
AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
LIBS="$LIBS -lmpc"
@@ -2267,15 +2428,6 @@ pthread_create (NULL, NULL, start_routine, NULL)]])],[
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
@@ -2300,7 +2452,9 @@ if test "$posix_threads" = "yes"; then
AC_MSG_CHECKING(if PTHREAD_SCOPE_SYSTEM is supported)
AC_CACHE_VAL(ac_cv_pthread_system_supported,
- [AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <pthread.h>
+ [AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <stdio.h>
+ #include <pthread.h>
void *foo(void *parm) {
return NULL;
}
@@ -2539,12 +2693,12 @@ AC_ARG_WITH(pymalloc,
if test -z "$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])
+ ABIFLAGS="${ABIFLAGS}m"
fi
AC_MSG_RESULT($with_pymalloc)
@@ -2613,23 +2767,35 @@ then
else
MACHDEP_OBJS="$MACHDEP_OBJS $extra_machdep_objs"
fi
-AC_MSG_RESULT(MACHDEP_OBJS)
+if test -z "$MACHDEP_OBJS"; then
+ AC_MSG_RESULT([none])
+else
+ AC_MSG_RESULT([$MACHDEP_OBJS])
+fi
# 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 \
+ clock confstr ctermid execv faccessat fchmod fchmodat fchown fchownat \
+ fexecve fdopendir fork fpathconf fstatat ftime ftruncate futimesat \
+ futimens futimes gai_strerror \
+ getgrouplist 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 \
+ if_nameindex \
+ initgroups kill killpg lchmod lchown lockf linkat lstat lutimes mmap \
+ memrchr mbrtowc mkdirat mkfifo \
+ mkfifoat mknod mknodat mktime mremap nice openat pathconf pause pipe2 plock poll \
+ posix_fallocate posix_fadvise pread \
+ pthread_init pthread_kill putenv pwrite readlink readlinkat readv realpath renameat \
+ select sem_open sem_timedwait sem_getvalue sem_unlink sendfile setegid seteuid \
+ setgid sethostname \
+ setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setpriority setuid setvbuf \
+ sched_get_priority_max sched_setaffinity sched_setscheduler sched_setparam \
+ sched_rr_get_interval \
+ sigaction sigaltstack siginterrupt sigpending sigrelse \
+ sigtimedwait sigwait sigwaitinfo snprintf strftime strlcpy symlinkat sync \
sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
- truncate uname unsetenv utimes waitpid wait3 wait4 \
- wcscoll wcsftime wcsxfrm _getpty)
+ truncate uname unlinkat unsetenv utimensat utimes waitid waitpid wait3 wait4 \
+ wcscoll wcsftime wcsxfrm writev _getpty)
AC_CHECK_DECL(dirfd,
AC_DEFINE(HAVE_DIRFD, 1,
@@ -2681,6 +2847,12 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/epoll.h>]], [[void *x=epoll_c
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
])
+AC_MSG_CHECKING(for epoll_create1)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/epoll.h>]], [[void *x=epoll_create1]])],
+ [AC_DEFINE(HAVE_EPOLL_CREATE1, 1, Define if you have the 'epoll_create1' function.)
+ AC_MSG_RESULT(yes)],
+ [AC_MSG_RESULT(no)
+])
AC_MSG_CHECKING(for kqueue)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
@@ -2911,6 +3083,20 @@ AC_CHECK_FUNCS(gettimeofday,
])
)
+AC_CHECK_FUNCS(clock_gettime, [], [
+ AC_CHECK_LIB(rt, clock_gettime, [
+ AC_DEFINE(HAVE_CLOCK_GETTIME, 1)
+ AC_DEFINE(TIMEMODULE_LIB, [rt],
+ [Library needed by timemodule.c: librt may be needed for clock_gettime()])
+ ])
+])
+
+AC_CHECK_FUNCS(clock_getres, [], [
+ AC_CHECK_LIB(rt, clock_getres, [
+ AC_DEFINE(HAVE_CLOCK_GETRES, 1)
+ ])
+])
+
AC_MSG_CHECKING(for major, minor, and makedev)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#if defined(MAJOR_IN_MKDEV)
@@ -2947,6 +3133,7 @@ then
AC_MSG_CHECKING(getaddrinfo bug)
AC_CACHE_VAL(ac_cv_buggy_getaddrinfo,
AC_RUN_IFELSE([AC_LANG_SOURCE([[[
+#include <stdio.h>
#include <sys/types.h>
#include <netdb.h>
#include <string.h>
@@ -3035,12 +3222,17 @@ int main()
]]])],
[ac_cv_buggy_getaddrinfo=no],
[ac_cv_buggy_getaddrinfo=yes],
-[ac_cv_buggy_getaddrinfo=yes]))
+[
+if test "${enable_ipv6+set}" = set; then
+ ac_cv_buggy_getaddrinfo="no -- configured with --(en|dis)able-ipv6"
+else
+ ac_cv_buggy_getaddrinfo=yes
+fi]))
fi
AC_MSG_RESULT($ac_cv_buggy_getaddrinfo)
-if test $have_getaddrinfo = no -o "$ac_cv_buggy_getaddrinfo" = yes
+if test $have_getaddrinfo = no || test "$ac_cv_buggy_getaddrinfo" = yes
then
if test $ipv6 = yes
then
@@ -3332,6 +3524,21 @@ else AC_MSG_ERROR([proper usage is --with-libc=STRING])
fi],
[AC_MSG_RESULT(default LIBC="$LIBC")])
+# **************************************
+# * Check for gcc x64 inline assembler *
+# **************************************
+
+AC_MSG_CHECKING(for x64 gcc inline assembler)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ __asm__ __volatile__ ("movq %rcx, %rax");
+]])],[have_gcc_asm_for_x64=yes],[have_gcc_asm_for_x64=no])
+AC_MSG_RESULT($have_gcc_asm_for_x64)
+if test "$have_gcc_asm_for_x64" = yes
+then
+ AC_DEFINE(HAVE_GCC_ASM_FOR_X64, 1,
+ [Define if we can use x64 gcc inline assembler])
+fi
+
# **************************************************
# * Check for various properties of floating point *
# **************************************************
@@ -3480,7 +3687,7 @@ LIBS_SAVE=$LIBS
LIBS="$LIBS $LIBM"
AC_CHECK_FUNCS([acosh asinh atanh copysign erf erfc expm1 finite gamma])
-AC_CHECK_FUNCS([hypot lgamma log1p round tgamma])
+AC_CHECK_FUNCS([hypot lgamma log1p log2 round tgamma])
AC_CHECK_DECLS([isinf, isnan, isfinite], [], [], [[#include <math.h>]])
# On FreeBSD 6.2, it appears that tanh(-0.) returns 0. instead of
@@ -3678,57 +3885,19 @@ then
AC_MSG_RESULT($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" \
+if test "$ac_cv_sizeof_wchar_t" -ge 2 \
-a "$ac_cv_wchar_t_signed" = "no"
then
- PY_UNICODE_TYPE="wchar_t"
+ HAVE_USABLE_WCHAR_T="yes"
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"
+ HAVE_USABLE_WCHAR_T="no usable wchar_t found"
fi
-AC_MSG_RESULT($PY_UNICODE_TYPE)
+AC_MSG_RESULT($HAVE_USABLE_WCHAR_T)
# check for endianness
AC_C_BIGENDIAN
@@ -3789,6 +3958,8 @@ else
fi
AC_MSG_RESULT($SO)
+AC_DEFINE_UNQUOTED(SHLIB_EXT, "$SO", [Define this to be extension of shared libraries (including the dot!).])
+
# 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)
@@ -3835,7 +4006,7 @@ LIBS_no_readline=$LIBS
# with setup.py.
py_cv_lib_readline=no
AC_MSG_CHECKING([how to link readline libs])
-for py_libtermcap in "" ncursesw ncurses curses termcap; do
+for py_libtermcap in "" tinfo ncursesw ncurses curses termcap; do
if test -z "$py_libtermcap"; then
READLINE_LIBS="-lreadline"
else
@@ -4078,6 +4249,8 @@ then
[Define if you have struct stat.st_mtimensec])
fi
+ac_save_cppflags="$CPPFLAGS"
+CPPFLAGS="$CPPFLAGS -I/usr/include/ncursesw"
# 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,
@@ -4132,27 +4305,34 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[void *x=resizeterm
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)]
)
+# last curses configure check
+CPPFLAGS=$ac_save_cppflags
-AC_MSG_CHECKING(for /dev/ptmx)
+AC_MSG_NOTICE([checking for device files])
-if test -r /dev/ptmx
-then
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_DEV_PTMX, 1,
- [Define if we have /dev/ptmx.])
-else
- AC_MSG_RESULT(no)
+dnl NOTE: Inform user how to proceed with files when cross compiling.
+if test "x$cross_compiling" = xyes; then
+ if test "${ac_cv_file__dev_ptmx+set}" != set; then
+ AC_MSG_CHECKING([for /dev/ptmx])
+ AC_MSG_RESULT([not set])
+ AC_MSG_ERROR([set ac_cv_file__dev_ptmx to yes/no in your CONFIG_SITE file when cross compiling])
+ fi
+ if test "${ac_cv_file__dev_ptc+set}" != set; then
+ AC_MSG_CHECKING([for /dev/ptc])
+ AC_MSG_RESULT([not set])
+ AC_MSG_ERROR([set ac_cv_file__dev_ptc to yes/no in your CONFIG_SITE file when cross compiling])
+ fi
fi
-AC_MSG_CHECKING(for /dev/ptc)
-
-if test -r /dev/ptc
-then
- AC_MSG_RESULT(yes)
+AC_CHECK_FILE(/dev/ptmx, [], [])
+if test "x$ac_cv_file__dev_ptmx" = xyes; then
+ AC_DEFINE(HAVE_DEV_PTMX, 1,
+ [Define to 1 if you have the /dev/ptmx device file.])
+fi
+AC_CHECK_FILE(/dev/ptc, [], [])
+if test "x$ac_cv_file__dev_ptc" = xyes; then
AC_DEFINE(HAVE_DEV_PTC, 1,
- [Define if we have /dev/ptc.])
-else
- AC_MSG_RESULT(no)
+ [Define to 1 if you have the /dev/ptc device file.])
fi
if test "$have_long_long" = yes
@@ -4192,7 +4372,23 @@ then
]]])],
[ac_cv_have_long_long_format=yes],
[ac_cv_have_long_long_format=no],
- [ac_cv_have_long_long_format=no])
+ [ac_cv_have_long_long_format="cross -- assuming no"
+ if test x$GCC = xyes; then
+ save_CFLAGS=$CFLAGS
+ CFLAGS="$CFLAGS -Werror -Wformat"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <stdio.h>
+ #include <stddef.h>
+ ]], [[
+ char *buffer;
+ sprintf(buffer, "%lld", (long long)123);
+ sprintf(buffer, "%lld", (long long)-123);
+ sprintf(buffer, "%llu", (unsigned long long)123);
+ ]])],
+ ac_cv_have_long_long_format=yes
+ )
+ CFLAGS=$save_CFLAGS
+ fi])
)
AC_MSG_RESULT($ac_cv_have_long_long_format)
fi
@@ -4268,6 +4464,7 @@ AC_CHECK_TYPE(socklen_t,,
AC_MSG_CHECKING(for broken mbstowcs)
AC_CACHE_VAL(ac_cv_broken_mbstowcs,
AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdio.h>
#include<stdlib.h>
int main() {
size_t len = -1;
@@ -4287,30 +4484,6 @@ then
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,
@@ -4332,17 +4505,38 @@ 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.]) ;;
+AC_MSG_CHECKING(whether $CC supports computed gotos)
+AC_CACHE_VAL(ac_cv_computed_gotos,
+AC_RUN_IFELSE([AC_LANG_SOURCE([[[
+int main(int argc, char **argv)
+{
+ static void *targets[1] = { &&LABEL1 };
+ goto LABEL2;
+LABEL1:
+ return 0;
+LABEL2:
+ goto *targets[0];
+ return 1;
+}
+]]])],
+[ac_cv_computed_gotos=yes],
+[ac_cv_computed_gotos=no],
+[if test "${with_computed_gotos+set}" = set; then
+ ac_cv_computed_gotos="$with_computed_gotos -- configured --with(out)-computed-gotos"
+ else
+ ac_cv_computed_gotos=no
+ fi]))
+AC_MSG_RESULT($ac_cv_computed_gotos)
+case "$ac_cv_computed_gotos" in yes*)
+ AC_DEFINE(HAVE_COMPUTED_GOTOS, 1,
+ [Define if the C compiler supports computed gotos.])
esac
-
case $ac_sys_system in
- OSF*) AC_MSG_ERROR(OSF* systems are deprecated unless somebody volunteers. Check http://bugs.python.org/issue8606) ;;
+AIX*)
+ AC_DEFINE(HAVE_BROKEN_PIPE_BUF, 1, [Define if the system reports an invalid PIPE_BUF value.]) ;;
esac
-AC_CHECK_FUNC(pipe2, AC_DEFINE(HAVE_PIPE2, 1, [Define if the OS supports pipe2()]), )
AC_SUBST(THREADHEADERS)
@@ -4361,6 +4555,89 @@ for dir in $SRCDIRS; do
done
AC_MSG_RESULT(done)
+# Availability of -O2:
+AC_MSG_CHECKING(for -O2)
+saved_cflags="$CFLAGS"
+CFLAGS="-O2"
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+]])],[have_O2=yes],[have_O2=no])
+AC_MSG_RESULT($have_O2)
+CFLAGS="$saved_cflags"
+
+# _FORTIFY_SOURCE wrappers for memmove and bcopy are incorrect:
+# http://sourceware.org/ml/libc-alpha/2010-12/msg00009.html
+AC_MSG_CHECKING(for glibc _FORTIFY_SOURCE/memmove bug)
+saved_cflags="$CFLAGS"
+CFLAGS="-O2 -D_FORTIFY_SOURCE=2"
+if test "$have_O2" = no; then
+ CFLAGS=""
+fi
+AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+void foo(void *p, void *q) { memmove(p, q, 19); }
+int main() {
+ char a[32] = "123456789000000000";
+ foo(&a[9], a);
+ if (strcmp(a, "123456789123456789000000000") != 0)
+ return 1;
+ foo(a, &a[9]);
+ if (strcmp(a, "123456789000000000") != 0)
+ return 1;
+ return 0;
+}
+]])],
+[have_glibc_memmove_bug=no],
+[have_glibc_memmove_bug=yes],
+[have_glibc_memmove_bug=undefined])
+CFLAGS="$saved_cflags"
+AC_MSG_RESULT($have_glibc_memmove_bug)
+if test "$have_glibc_memmove_bug" = yes; then
+ AC_DEFINE(HAVE_GLIBC_MEMMOVE_BUG, 1,
+ [Define if glibc has incorrect _FORTIFY_SOURCE wrappers
+ for memmove and bcopy.])
+fi
+
+if test "$have_gcc_asm_for_x87" = yes; then
+ # Some versions of gcc miscompile inline asm:
+ # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46491
+ # http://gcc.gnu.org/ml/gcc/2010-11/msg00366.html
+ case $CC in
+ *gcc*)
+ AC_MSG_CHECKING(for gcc ipa-pure-const bug)
+ saved_cflags="$CFLAGS"
+ CFLAGS="-O2"
+ AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ __attribute__((noinline)) int
+ foo(int *p) {
+ int r;
+ asm ( "movl \$6, (%1)\n\t"
+ "xorl %0, %0\n\t"
+ : "=r" (r) : "r" (p) : "memory"
+ );
+ return r;
+ }
+ int main() {
+ int p = 8;
+ if ((foo(&p) ? : p) != 6)
+ return 1;
+ return 0;
+ }
+ ]])],
+ [have_ipa_pure_const_bug=no],
+ [have_ipa_pure_const_bug=yes],
+ [have_ipa_pure_const_bug=undefined])
+ CFLAGS="$saved_cflags"
+ AC_MSG_RESULT($have_ipa_pure_const_bug)
+ if test "$have_ipa_pure_const_bug" = yes; then
+ AC_DEFINE(HAVE_IPA_PURE_CONST_BUG, 1,
+ [Define if gcc has the ipa-pure-const bug.])
+ fi
+ ;;
+ esac
+fi
+
# 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])
generated by cgit v0.12 at 2024-11-23 23:18:56 (GMT)