- Refine python macro before sending upstream
git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@289 3ecf2c5c-341e-0410-92b4-d18e462d057c
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@ -70,7 +70,7 @@ dnl make
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AC_PROG_MAKE_SET
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dnl check for python and SWIG
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AC_PYTHON_DEVEL
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AC_PYTHON_DEVEL([>= 2.4])
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AC_PROG_SWIG
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SWIG_ENABLE_CXX
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SWIG_PYTHON
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@ -1,15 +1,26 @@
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dnl @synopsis AC_PYTHON_DEVEL
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dnl @synopsis AC_PYTHON_DEVEL([version])
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dnl
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dnl Checks for Python and tries to get the include path to 'Python.h'.
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dnl It provides the $(PYTHON_CPPFLAGS) and $(PYTHON_LDFLAGS) output
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dnl variables.
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dnl Also exports $(PYTHON_EXTRA_LIBS) and $(PYTHON_EXTRA_LDFLAGS)
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dnl for embedding Python in your code.
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dnl
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dnl You can search for some particular version of Python by passing a
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dnl parameter to this macro, for example '>= 2.3.1', or '== 2.4'.
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dnl Please note that you *have* to pass also an operator along
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dnl with the version number.
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dnl
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dnl If the user wants to employ a particular version of Python, she can
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dnl now pass to configure the PYTHON_VERSION environment variable.
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dnl Should work for all versions of Python >= 2.1.0. You can disable the
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dnl check for the python version by setting the PYTHON_NOVERSIONCHECK
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dnl environment variable.
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dnl This is only limited by the macro parameter set by the packager.
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dnl
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dnl This macro should work for all versions of Python >= 2.1.0. You can
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dnl disable the check for the python version by setting the
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dnl PYTHON_NOVERSIONCHECK environment variable.
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dnl
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dnl If you need to use this macro for an older Python version, please
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dnl contact the authors. We're always open for feedback.
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dnl
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dnl @category InstalledPackages
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dnl @author Sebastian Huber <sebastian-huber@web.de>
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@ -17,17 +28,17 @@ dnl @author Alan W. Irwin <irwin@beluga.phys.uvic.ca>
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dnl @author Rafael Laboissiere <laboissiere@psy.mpg.de>
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dnl @author Andrew Collier <colliera@nu.ac.za>
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dnl @author Matteo Settenvini <matteo@member.fsf.org>
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dnl @version 2006-01-29
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dnl @version 2006-02-05
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dnl @license GPLWithACException
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AC_DEFUN([AC_PYTHON_DEVEL],[
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#
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# Allow use of a custom python version
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# Allow the use of a (user set) custom python version
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#
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AC_ARG_VAR([PYTHON_VERSION],[The installed Python
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version to link against, for example '2.3'])
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AC_PATH_PROG([PYTHON],[python[$PYTHON_VERSION]])
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version to use, for example '2.3'])
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AC_PATH_PROG([PYTHON],[python[$PYTHON_VERSION]])
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if test -z "$PYTHON"; then
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AC_MSG_ERROR([Cannot find python$PYTHON_VERSION in your system path])
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fi
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@ -37,7 +48,8 @@ AC_DEFUN([AC_PYTHON_DEVEL],[
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#
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AC_MSG_CHECKING([for a version of Python >= 2.1.0])
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ac_supports_python_ver=`$PYTHON -c "import sys, string; \
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print string.split(sys.version)[[0]] >= '2.1.0'"`
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ver = string.split(sys.version)[[0]]; \
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print ver >= '2.1.0'"`
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if test "$ac_supports_python_ver" != "True"; then
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if test -z "$PYTHON_NOVERSIONCHECK"; then
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AC_MSG_RESULT([no])
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@ -57,47 +69,74 @@ to something else than an empty string.
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AC_MSG_RESULT([yes])
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fi
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#
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# if the macro parameter ``version'' is set, honour it
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#
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if test -n "$1"; then
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AC_MSG_CHECKING([for a version of Python $1])
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ac_supports_python_ver=`$PYTHON -c "import sys, string; \
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ver = string.split(sys.version)[[0]]; \
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print ver $1"`
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if test "$ac_supports_python_ver" = "True"; then
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AC_MSG_RESULT([yes])
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else
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AC_MSG_RESULT([no])
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AC_MSG_ERROR([this package requires Python $1.
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If you have it installed, but it isn't the default Python
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interpreter in your system path, please pass the PYTHON_VERSION
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variable to configure. See ``configure --help'' for reference.
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])dnl
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fi
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fi
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#
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# Check for Python include path
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#
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AC_MSG_CHECKING([for Python include path])
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if test -z "$PYTHON_CPPFLAGS"; then
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python_path=`$PYTHON -c "import distutils.sysconfig; \
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print distutils.sysconfig.get_python_inc();"`
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AC_MSG_RESULT([$python_path])
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if test -z "${python_path}"; then
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AC_MSG_WARN([none. Please set PYTHON_CPPFLAGS by hand.])
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else
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python_path="-I$python_path"
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print distutils.sysconfig.get_python_inc();"`
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if test -n "${python_path}"; then
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python_path="-I$python_path"
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fi
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PYTHON_CPPFLAGS=$python_path
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fi
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AC_SUBST([PYTHON_CPPFLAGS],[$python_path])
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AC_MSG_RESULT([$PYTHON_CPPFLAGS])
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AC_SUBST([PYTHON_CPPFLAGS])
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#
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# Check for Python library path
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#
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AC_MSG_CHECKING([for Python library path])
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python_path=`$PYTHON -c "from distutils.sysconfig import *; \
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from string import join; \
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print '-L' + get_python_lib(0,1), \
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'-lpython' + join(get_config_vars('VERSION'));"`
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AC_MSG_RESULT([$python_path])
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AC_SUBST([PYTHON_LDFLAGS],[-I$python_path])
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if test -z "$PYTHON_LDFLAGS"; then
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PYTHON_LDFLAGS=`$PYTHON -c "from distutils.sysconfig import *; \
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from string import join; \
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print '-L' + get_python_lib(0,1), \
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'-lpython' + join(get_config_vars('VERSION'));"`
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fi
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AC_MSG_RESULT([$PYTHON_LDFLAGS])
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AC_SUBST([PYTHON_LDFLAGS])
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#
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# Check for site packages
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#
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AC_MSG_CHECKING([for Python site-packages path])
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python_site=`$PYTHON -c "import distutils.sysconfig; \
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print distutils.sysconfig.get_python_lib(0,0);"`
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AC_MSG_RESULT([$python_site])
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AC_SUBST([PYTHON_SITE_PKG],[$python_site])
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if test -z "$PYTHON_SITE_PKG"; then
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PYTHON_SITE_PKG=`$PYTHON -c "import distutils.sysconfig; \
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print distutils.sysconfig.get_python_lib(0,0);"`
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fi
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AC_MSG_RESULT([$PYTHON_SITE_PKG])
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AC_SUBST([PYTHON_SITE_PKG])
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#
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# libraries which must be linked in when embedding
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#
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AC_MSG_CHECKING(python extra libraries)
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PYTHON_EXTRA_LIBS=`$PYTHON -c "import distutils.sysconfig; \
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if test -z "$PYTHON_EXTRA_LIBS"; then
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PYTHON_EXTRA_LIBS=`$PYTHON -c "import distutils.sysconfig; \
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conf = distutils.sysconfig.get_config_var; \
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print conf('LOCALMODLIBS'), conf('LIBS')"`
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fi
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AC_MSG_RESULT([$PYTHON_EXTRA_LIBS])
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AC_SUBST(PYTHON_EXTRA_LIBS)
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@ -105,9 +144,11 @@ to something else than an empty string.
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# linking flags needed when embedding
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#
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AC_MSG_CHECKING(python extra linking flags)
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PYTHON_EXTRA_LDFLAGS=`$PYTHON -c "import distutils.sysconfig; \
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conf = distutils.sysconfig.get_config_var; \
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print conf('LINKFORSHARED')"`
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if test -z "$PYTHON_EXTRA_LDFLAGS"; then
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PYTHON_EXTRA_LDFLAGS=`$PYTHON -c "import distutils.sysconfig; \
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conf = distutils.sysconfig.get_config_var; \
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print conf('LINKFORSHARED')"`
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fi
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AC_MSG_RESULT([$PYTHON_EXTRA_LDFLAGS])
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AC_SUBST(PYTHON_EXTRA_LDFLAGS)
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])
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