diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 620 |
1 files changed, 405 insertions, 215 deletions
diff --git a/configure.ac b/configure.ac index 138d562..d05e1bc 100644 --- a/configure.ac +++ b/configure.ac @@ -3,22 +3,38 @@ 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(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 $HAS_HG = found +then + HGVERSION="hg id -i \$(srcdir)" + HGTAG="hg id -t \$(srcdir)" + HGBRANCH="hg id -b \$(srcdir)" +else + HGVERSION="" + HGTAG="" + HGBRANCH="" +fi + AC_CONFIG_SRCDIR([Include/object.h]) AC_CONFIG_HEADER(pyconfig.h) +AC_CANONICAL_HOST + dnl Ensure that if prefix is specified, it does not end in a slash. If dnl it does, we get path names containing '//' which is both ugly and dnl can cause trouble. @@ -88,14 +104,20 @@ CONFIG_ARGS="$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 +149,20 @@ 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 +172,7 @@ AC_ARG_WITH(universal-archs, UNIVERSAL_ARCHS="$withval" ], [ - AC_MSG_RESULT(32-bit) + AC_MSG_RESULT(${UNIVERSAL_ARCHS}) ]) @@ -276,6 +311,25 @@ 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 only used for setting + # `define_xopen_source' in the case statement below. For the + # current supported cross builds, this macro is not adjusted. + 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 +337,20 @@ 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";; '') MACHDEP="unknown";; - esac + esac fi # Some systems cannot stand _XOPEN_SOURCE being defined at all; they @@ -383,7 +438,8 @@ esac if test $define_xopen_source = yes then - AC_DEFINE(_XOPEN_SOURCE, 600, + # X/Open 7, incorporating POSIX.1-2008 + AC_DEFINE(_XOPEN_SOURCE, 700, Define to the level of X/Open that your system supports) # On Tru64 Unix 4.0F, defining _XOPEN_SOURCE also requires @@ -393,8 +449,7 @@ then AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1, Define to activate Unix95-and-earlier features) - AC_DEFINE(_POSIX_C_SOURCE, 200112L, Define to activate features from IEEE Stds 1003.1-2001) - + AC_DEFINE(_POSIX_C_SOURCE, 200809L, Define to activate features from IEEE Stds 1003.1-2008) fi # @@ -423,10 +478,6 @@ AC_SUBST(EXPORT_MACOSX_DEPLOYMENT_TARGET) CONFIGURE_MACOSX_DEPLOYMENT_TARGET= EXPORT_MACOSX_DEPLOYMENT_TARGET='#' -AC_MSG_CHECKING(machine type as reported by uname -m) -ac_sys_machine=`uname -m` -AC_MSG_RESULT($ac_sys_machine) - # checks for alternative programs # compiler flags are generated in two sets, BASECFLAGS and OPT. OPT is just @@ -469,6 +520,63 @@ 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="${found_clang}" + CXX="`/usr/bin/xcrun -find clang++`" + + # else: use default behaviour + fi + fi + fi +fi AC_PROG_CC AC_SUBST(CXX) @@ -502,6 +610,7 @@ then case "$CC" in gcc) AC_PATH_PROG(CXX, [g++], [g++], [notfound]) ;; cc) AC_PATH_PROG(CXX, [c++], [c++], [notfound]) ;; + clang|*/clang) AC_PATH_PROG(CXX, [clang++], [clang++], [notfound]) ;; esac if test "$CXX" = "notfound" then @@ -783,11 +892,6 @@ 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)' @@ -821,36 +925,6 @@ 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 $HAS_HG = found -then - HGVERSION="hg id -i \$(srcdir)" - HGTAG="hg id -t \$(srcdir)" - HGBRANCH="hg id -b \$(srcdir)" -else - HGVERSION="" - HGTAG="" - HGBRANCH="" -fi - AC_SUBST(DISABLE_ASDLGEN) DISABLE_ASDLGEN="" AC_CHECK_PROG(HAS_PYTHON, python, found, not-found) @@ -869,6 +943,7 @@ bsdos*|hp*|HP*) fi esac AC_PROG_INSTALL +AC_PROG_MKDIR_P # Not every filesystem supports hard links AC_SUBST(LN) @@ -1003,10 +1078,32 @@ yes) BASECFLAGS="$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" ;; @@ -1080,7 +1177,9 @@ 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 @@ -1119,9 +1218,6 @@ yes) EXPORT_MACOSX_DEPLOYMENT_TARGET='' ;; - OSF*) - BASECFLAGS="$BASECFLAGS -mieee" - ;; esac ;; @@ -1130,9 +1226,6 @@ yes) OpenUNIX*|UnixWare*) BASECFLAGS="$BASECFLAGS -K pentium,host,inline,loop_unroll,alloca " ;; - OSF*) - BASECFLAGS="$BASECFLAGS -ieee -std" - ;; SCO_SV*) BASECFLAGS="$BASECFLAGS -belf -Ki486 -DSCO5" ;; @@ -1335,19 +1428,37 @@ dnl AC_MSG_RESULT($cpp_type) 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 \ +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) 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 @@ -1365,6 +1476,13 @@ 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) @@ -1373,7 +1491,6 @@ 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) @@ -1386,19 +1503,6 @@ 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.]) @@ -1458,6 +1562,8 @@ 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]),,) +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 @@ -1718,7 +1824,6 @@ then else LDSHARED='ld -b' fi ;; - OSF*) LDSHARED="ld -shared -expect_unresolved \"*\"";; Darwin/1.3*) LDSHARED='$(CC) -bundle' LDCXXSHARED='$(CXX) -bundle' @@ -1948,6 +2053,7 @@ AC_MSG_RESULT($SHLIBS) # checks for libraries +AC_CHECK_LIB(sendfile, sendfile) AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX @@ -2021,6 +2127,15 @@ AC_SUBST(LIBFFI_INCLUDEDIR) AC_MSG_RESULT($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($with_system_libmpdec) + # Check for support for loadable sqlite extensions AC_MSG_CHECKING(for --enable-loadable-sqlite-extensions) AC_ARG_ENABLE(loadable-sqlite-extensions, @@ -2072,21 +2187,10 @@ fi AC_SUBST(USE_THREAD_MODULE) USE_THREAD_MODULE="" -AC_MSG_CHECKING(for --with-dec-threads) AC_SUBST(LDLAST) -AC_ARG_WITH(dec-threads, - AS_HELP_STRING([--with-dec-threads], [use DEC Alpha/OSF1 thread-safe libraries]), -[ -AC_MSG_RESULT($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, @@ -2168,17 +2272,6 @@ 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. @@ -2214,7 +2307,7 @@ 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" @@ -2227,15 +2320,6 @@ 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 @@ -2587,19 +2671,27 @@ 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 \ + 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, @@ -2651,6 +2743,12 @@ 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> @@ -2881,6 +2979,20 @@ 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) @@ -3005,7 +3117,12 @@ 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) @@ -3302,6 +3419,21 @@ 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 "$have_gcc_asm_for_x64" = yes +then + AC_DEFINE(HAVE_GCC_ASM_FOR_X64, 1, + [Define if we can use x64 gcc inline assembler]) +fi + # ************************************************** # * Check for various properties of floating point * # ************************************************** @@ -3450,7 +3582,7 @@ LIBS_SAVE=$LIBS LIBS="$LIBS $LIBM" AC_CHECK_FUNCS([acosh asinh atanh copysign erf erfc expm1 finite gamma]) -AC_CHECK_FUNCS([hypot lgamma log1p round tgamma]) +AC_CHECK_FUNCS([hypot lgamma log1p log2 round tgamma]) AC_CHECK_DECLS([isinf, isnan, isfinite], [], [], [[#include <math.h>]]) # On FreeBSD 6.2, it appears that tanh(-0.) returns 0. instead of @@ -3648,57 +3780,19 @@ then AC_MSG_RESULT($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 @@ -4162,7 +4256,23 @@ 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 @@ -4257,30 +4367,6 @@ 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, @@ -4302,17 +4388,38 @@ 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) @@ -4331,6 +4438,89 @@ 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]) |