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Diffstat (limited to 'm4/check_python.m4')
| -rw-r--r-- | m4/check_python.m4 | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/m4/check_python.m4 b/m4/check_python.m4 new file mode 100644 index 0000000000..7e56af76f7 --- /dev/null +++ b/m4/check_python.m4 @@ -0,0 +1,100 @@ +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 +]) + + |