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authorJonny Lamb <jonnylamb@gnome.org>2009-10-20 21:02:00 +0800
committerJonny Lamb <jonnylamb@gnome.org>2009-10-20 21:02:00 +0800
commit729145dbf0039db5763533d046eb53f5de38a419 (patch)
tree86dfe0a339ea08953030721d78fd6086a1f6b555
parent105cc83e67ef41c35998aaaaae8bf18c56be65c0 (diff)
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Re-add python.m4 as it may be needed for AM_PATH_PYTHON.
Signed-off-by: Jonny Lamb <jonnylamb@gnome.org>
-rw-r--r--m4/python.m466
1 files changed, 66 insertions, 0 deletions
diff --git a/m4/python.m4 b/m4/python.m4
new file mode 100644
index 000000000..fe901562d
--- /dev/null
+++ b/m4/python.m4
@@ -0,0 +1,66 @@
+## 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=`$PYTHON -c "import sys; print sys.exec_prefix"`
+if test -x "$PYTHON-config"; then
+PYTHON_INCLUDES=`$PYTHON-config --includes 2>/dev/null`
+else
+PYTHON_INCLUDES="-I${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
+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"
+])