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configure.in
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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)