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+dnl Autoconf macros for finding a Python development environment
+dnl
+dnl Copyright (C) 2007-2008 Jelmer Vernooij <jelmer@samba.org>
+dnl Published under the GNU GPL, v3 or later
+dnl
+AC_ARG_VAR([PYTHON_VERSION],[The installed Python
+ version to use, for example '2.3'. This string
+ will be appended to the Python interpreter
+ canonical name.])
+
+AC_DEFUN([TRY_LINK_PYTHON],
+[
+ if test $working_python = no; then
+ ac_save_LIBS="$LIBS"
+ ac_save_CFLAGS="$CFLAGS"
+ LIBS="$LIBS $1"
+ CFLAGS="$CFLAGS $2"
+
+ AC_TRY_LINK([
+ /* we have our own configure tests */
+ #include <Python.h>
+ ],[
+ Py_InitModule(NULL, NULL);
+ ],[
+ PYTHON_LDFLAGS="$1"
+ PYTHON_CFLAGS="$2"
+ working_python=yes
+ ])
+ LIBS="$ac_save_LIBS"
+ CFLAGS="$ac_save_CFLAGS"
+ fi
+])
+
+dnl Try to find a Python implementation including header files
+dnl AC_SAMBA_PYTHON_DEVEL(RUN-IF-FOUND, RUN-IF-NOT-FOUND)
+dnl
+dnl Will set the following variables:
+dnl $PYTHON
+dnl $PYTHON_CONFIG (if found)
+dnl $PYTHON_CFLAGS
+dnl $PYTHON_LDFLAGS
+AC_DEFUN([AC_SAMBA_PYTHON_DEVEL],
+[
+ AC_PATH_PROG([PYTHON],[python[$PYTHON_VERSION]])
+ if test -z "$PYTHON"; then
+ working_python=no
+ AC_MSG_WARN([No python found])
+ fi
+
+ dnl assume no working python
+ working_python=no
+
+ if test -z "$PYTHON_VERSION"; then
+ AC_PATH_PROGS([PYTHON_CONFIG], [python2.6-config python2.5-config python2.4-config python-config])
+ else
+ AC_PATH_PROG([PYTHON_CONFIG], [python[$PYTHON_VERSION]-config])
+ fi
+
+ if test -z "$PYTHON_CONFIG"; then
+ AC_MSG_WARN([No python-config found])
+ else
+ TRY_LINK_PYTHON([`$PYTHON_CONFIG --ldflags`], [`$PYTHON_CONFIG --includes`])
+ TRY_LINK_PYTHON([`$PYTHON_CONFIG --ldflags`], [`$PYTHON_CONFIG --cflags`])
+ if test x$working_python = xno; then
+ # It seems the library path isn't included on some systems
+ base=`$PYTHON_CONFIG --prefix`
+ TRY_LINK_PYTHON([`echo -n -L${base}/lib " "; $PYTHON_CONFIG --ldflags`], [`$PYTHON_CONFIG --includes`])
+ TRY_LINK_PYTHON([`echo -n -L${base}/lib " "; $PYTHON_CONFIG --ldflags`], [`$PYTHON_CONFIG --cflags`])
+ fi
+ fi
+
+ if test x$PYTHON != x
+ then
+ DISTUTILS_CFLAGS=`$PYTHON -c "from distutils import sysconfig; \
+ print '-I%s -I%s %s' % ( \
+ sysconfig.get_python_inc(), \
+ sysconfig.get_python_inc(plat_specific=1), \
+ sysconfig.get_config_var('CFLAGS'))"`
+ DISTUTILS_LDFLAGS=`$PYTHON -c "from distutils import sysconfig; \
+ print '%s %s -lpython%s -L%s %s -L%s' % ( \
+ sysconfig.get_config_var('LIBS'), \
+ sysconfig.get_config_var('SYSLIBS'), \
+ sysconfig.get_config_var('VERSION'), \
+ sysconfig.get_config_var('LIBDIR'), \
+ sysconfig.get_config_var('LDFLAGS'), \
+ sysconfig.get_config_var('LIBPL'))"`
+ TRY_LINK_PYTHON($DISTUTILS_LDFLAGS, $DISTUTILS_CFLAGS)
+ fi
+
+ AC_MSG_CHECKING(working python module support)
+ if test $working_python = yes; then
+ AC_MSG_RESULT([yes])
+ $1
+ else
+ AC_MSG_RESULT([no])
+ $2
+ fi
+])
+
+