From ca0a8f4d6cc24707bc07c3013bff321e2f0c24fd Mon Sep 17 00:00:00 2001
From: Stefano Karapetsas <stefano@karapetsas.com>
Date: Fri, 13 Jan 2012 23:18:04 +0100
Subject: initial import from Mate-Extra repo

---
 m4/python.m4 | 134 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 m4/python.m4

(limited to 'm4/python.m4')

diff --git a/m4/python.m4 b/m4/python.m4
new file mode 100644
index 0000000..18685f1
--- /dev/null
+++ b/m4/python.m4
@@ -0,0 +1,134 @@
+## this one is commonly used with AM_PATH_PYTHONDIR ...
+dnl AM_CHECK_PYMOD(MODNAME [,SYMBOL [,ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]]])
+dnl Check if a module containing a given symbol is visible to python.
+AC_DEFUN(AM_CHECK_PYMOD,
+[AC_REQUIRE([AM_PATH_PYTHON])
+py_mod_var=`echo $1['_']$2 | sed 'y%./+-%__p_%'`
+AC_MSG_CHECKING(for ifelse([$2],[],,[$2 in ])python module $1)
+AC_CACHE_VAL(py_cv_mod_$py_mod_var, [
+ifelse([$2],[], [prog="
+import sys
+try:
+        import $1
+except ImportError:
+        sys.exit(1)
+except:
+        sys.exit(0)
+sys.exit(0)"], [prog="
+import $1
+$1.$2"])
+if $PYTHON -c "$prog" 1>&AC_FD_CC 2>&AC_FD_CC
+  then
+    eval "py_cv_mod_$py_mod_var=yes"
+  else
+    eval "py_cv_mod_$py_mod_var=no"
+  fi
+])
+py_val=`eval "echo \`echo '$py_cv_mod_'$py_mod_var\`"`
+if test "x$py_val" != xno; then
+  AC_MSG_RESULT(yes)
+  ifelse([$3], [],, [$3
+])dnl
+else
+  AC_MSG_RESULT(no)
+  ifelse([$4], [],, [$4
+])dnl
+fi
+])
+
+dnl a macro to check for ability to create python extensions
+dnl  AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
+dnl function also defines PYTHON_INCLUDES
+AC_DEFUN([AM_CHECK_PYTHON_HEADERS],
+[AC_REQUIRE([AM_PATH_PYTHON])
+AC_MSG_CHECKING(for headers required to compile python extensions)
+dnl deduce PYTHON_INCLUDES
+py_prefix=`$PYTHON -c "import sys; print(sys.prefix)"`
+py_exec_prefix=`$PYTHON -c "import sys; print(sys.exec_prefix)"`
+PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}"
+if test "$py_prefix" != "$py_exec_prefix"; then
+  PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}"
+fi
+AC_SUBST(PYTHON_INCLUDES)
+dnl check if the headers exist:
+save_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
+AC_TRY_CPP([#include <Python.h>],dnl
+[AC_MSG_RESULT(found)
+$1],dnl
+[AC_MSG_RESULT(not found)
+$2])
+CPPFLAGS="$save_CPPFLAGS"
+])
+
+# The AC_MULTILIB macro was extracted and modified from
+# gettext-0.15's AC_LIB_PREPARE_MULTILIB macro in the lib-prefix.m4 file
+# so that the correct paths can be used for 64-bit libraries.
+#
+dnl Copyright (C) 2001-2005 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+dnl From Bruno Haible.
+
+dnl AC_MULTILIB creates a variable libdirsuffix, containing
+dnl the suffix of the libdir, either "" or "64".
+dnl Only do this if the given enable parameter is "yes".
+AC_DEFUN([AC_MULTILIB],
+[
+  dnl There is no formal standard regarding lib and lib64. The current
+  dnl practice is that on a system supporting 32-bit and 64-bit instruction
+  dnl sets or ABIs, 64-bit libraries go under $prefix/lib64 and 32-bit
+  dnl libraries go under $prefix/lib. We determine the compiler's default
+  dnl mode by looking at the compiler's library search path. If at least
+  dnl of its elements ends in /lib64 or points to a directory whose absolute
+  dnl pathname ends in /lib64, we assume a 64-bit ABI. Otherwise we use the
+  dnl default, namely "lib".
+  enable_lib64="$1"
+  libdirsuffix=""
+  searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'`
+  if test "$enable_lib64" = "yes" -a -n "$searchpath"; then
+    save_IFS="${IFS=    }"; IFS=":"
+    for searchdir in $searchpath; do
+      if test -d "$searchdir"; then
+        case "$searchdir" in
+          */lib64/ | */lib64 ) libdirsuffix=64 ;;
+          *) searchdir=`cd "$searchdir" && pwd`
+             case "$searchdir" in
+               */lib64 ) libdirsuffix=64 ;;
+             esac ;;
+        esac
+      fi
+    done
+    IFS="$save_IFS"
+  fi
+  AC_SUBST(libdirsuffix)
+])
+
+dnl a macro to check for ability to embed python
+dnl  AM_CHECK_PYTHON_LIBS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
+dnl function also defines PYTHON_LIBS
+AC_DEFUN([AM_CHECK_PYTHON_LIBS],
+[AC_REQUIRE([AM_CHECK_PYTHON_HEADERS])
+AC_MSG_CHECKING(for libraries required to embed python)
+dnl deduce PYTHON_LIBS
+py_exec_prefix=`$PYTHON -c "import sys; print(sys.exec_prefix)"`
+AC_MULTILIB(yes)
+
+if test "x$PYTHON_LIBS" = x; then
+	PYTHON_LIBS="-L${py_prefix}/lib${libdirsuffix} -lpython${PYTHON_VERSION}"
+fi
+
+if test "x$PYTHON_LIB_LOC" = x; then
+	PYTHON_LIB_LOC="${py_prefix}/lib${libdirsuffix}" 
+fi
+AC_SUBST(PYTHON_LIBS)
+AC_SUBST(PYTHON_LIB_LOC)
+dnl check if the headers exist:
+save_LIBS="$LIBS"
+LIBS="$LIBS $PYTHON_LIBS"
+AC_TRY_LINK_FUNC(Py_Initialize, dnl
+         [LIBS="$save_LIBS"; AC_MSG_RESULT(yes); $1], dnl
+         [LIBS="$save_LIBS"; AC_MSG_RESULT(no); $2])
+
+])
-- 
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