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  • Committer: Johannes Ring
  • Date: 2008-03-05 22:43:06 UTC
  • Revision ID: johannr@simula.no-20080305224306-2npsdyhfdpl2esji
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m4/ac_python_devel.m4
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dnl @synopsis AC_PYTHON_DEVEL
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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 $(PYTHON_LDFLAGS) output
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dnl variable.
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dnl
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dnl @category InstalledPackages
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dnl @author Sebastian Huber <sebastian-huber@web.de>
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dnl @author Alan W. Irwin <irwin@beluga.phys.uvic.ca>
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dnl @author Rafael Laboissiere <laboissiere@psy.mpg.de>
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dnl @author Andrew Collier <colliera@nu.ac.za>
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dnl @version 2004-07-14
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dnl @license GPLWithACException
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AC_DEFUN([AC_PYTHON_DEVEL],[
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        #
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        # should allow for checking of python version here...
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        #
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        AC_REQUIRE([AM_PATH_PYTHON])
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        # Check for Python include path
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        AC_MSG_CHECKING([for Python include path])
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   python_path=`$PYTHON -c 'from distutils import sysconfig; print sysconfig.get_python_inc();'`
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   f_python_path=`find $python_path -type f -name Python.h -print | sed "1q"`
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   if test -n "$f_python_path" ; then
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      python_path=`dirname $f_python_path`
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   fi
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        AC_MSG_RESULT([$python_path])
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        if test -z "$python_path" ; then
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                AC_MSG_ERROR([cannot find Python include path])
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        fi
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        AC_SUBST([PYTHON_CPPFLAGS],[-I$python_path])
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        # Check for Python library path - python exec_prefix changed above, need to
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        # reset
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        AC_MSG_CHECKING([for Python library path])
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   python_path=`$PYTHON -c 'import sys; print sys.exec_prefix;'`
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        for i in "$python_path/lib/python$PYTHON_VERSION/config/" "$python_path/lib/python$PYTHON_VERSION/" "$python_path/lib/python/config/" "$python_path/lib/python/" "$python_path/" ; do
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                python_path=`find $i -type f -name libpython$PYTHON_VERSION.* -print | sed "1q"`
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                if test -n "$python_path" ; then
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                        break
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                fi
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        done
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        python_path=`echo $python_path | sed "s,/libpython.*$,,"`
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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_ERROR([cannot find Python library path])
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        fi
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        AC_SUBST([PYTHON_LDFLAGS],["-L$python_path"])
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        #
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        python_site=`echo $python_path | sed "s/config/site-packages/"`
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        AC_SUBST([PYTHON_SITE_PKG],[$python_site])
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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=`$PYTHON -c "import distutils.sysconfig; \
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                conf = distutils.sysconfig.get_config_var; \
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                print conf('LOCALMODLIBS')+' '+conf('LIBS')"
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        AC_MSG_RESULT($PYTHON_EXTRA_LIBS)`
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        AC_SUBST(PYTHON_EXTRA_LIBS)
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])