[glom/glom-1-28] AX_PYTHON_DEVEL: Use the latest version of this m4 macro.
- From: Murray Cumming <murrayc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [glom/glom-1-28] AX_PYTHON_DEVEL: Use the latest version of this m4 macro.
- Date: Wed, 4 Nov 2015 13:35:12 +0000 (UTC)
commit 3c0dfa392580b5ce79b8f5fff7edcc0a098dc67a
Author: Murray Cumming <murrayc murrayc com>
Date: Tue Oct 20 09:40:32 2015 +0200
AX_PYTHON_DEVEL: Use the latest version of this m4 macro.
Including my correction to makr it provide PYTHON_LIBS instead of
PYTHON_LDFLAGS:
to fix this problem properly:
http://stackoverflow.com/questions/31304553/linker-error-with-libboost-python-py34-on-ubuntu-15-04/31330681#31330681
macros/ax_python_devel.m4 | 48 ++++++++++++++++++++++++--------------------
1 files changed, 26 insertions(+), 22 deletions(-)
---
diff --git a/macros/ax_python_devel.m4 b/macros/ax_python_devel.m4
index 59a2ff0..77ee576 100644
--- a/macros/ax_python_devel.m4
+++ b/macros/ax_python_devel.m4
@@ -12,8 +12,8 @@
# in your configure.ac.
#
# This macro checks for Python and tries to get the include path to
-# 'Python.h'. It provides the $(PYTHON_CPPFLAGS) and $(PYTHON_LDFLAGS)
-# output variables. It also exports $(PYTHON_EXTRA_LIBS) and
+# 'Python.h'. It provides the $(PYTHON_CPPFLAGS) and $(PYTHON_LIBS) output
+# variables. It also exports $(PYTHON_EXTRA_LIBS) and
# $(PYTHON_EXTRA_LDFLAGS) for embedding Python in your code.
#
# You can search for some particular version of Python by passing a
@@ -67,7 +67,7 @@
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 17
+#serial 18
AU_ALIAS([AC_PYTHON_DEVEL], [AX_PYTHON_DEVEL])
AC_DEFUN([AX_PYTHON_DEVEL],[
@@ -99,7 +99,7 @@ AC_DEFUN([AX_PYTHON_DEVEL],[
This version of the AC@&t _PYTHON_DEVEL macro
doesn't work properly with versions of Python before
2.1.0. You may need to re-run configure, setting the
-variables PYTHON_CPPFLAGS, PYTHON_LDFLAGS, PYTHON_SITE_PKG,
+variables PYTHON_CPPFLAGS, PYTHON_LIBS, PYTHON_SITE_PKG,
PYTHON_EXTRA_LIBS and PYTHON_EXTRA_LDFLAGS by hand.
Moreover, to disable this check, set PYTHON_NOVERSIONCHECK
to something else than an empty string.
@@ -172,7 +172,7 @@ $ac_distutils_result])
# Check for Python library path
#
AC_MSG_CHECKING([for Python library path])
- if test -z "$PYTHON_LDFLAGS"; then
+ if test -z "$PYTHON_LIBS"; then
# (makes two attempts to ensure we've got a version number
# from the interpreter)
ac_python_version=`cat<<EOD | $PYTHON -
@@ -227,25 +227,25 @@ EOD`
then
# use the official shared library
ac_python_library=`echo "$ac_python_library" | sed "s/^lib//"`
- PYTHON_LDFLAGS="-L$ac_python_libdir -l$ac_python_library"
+ PYTHON_LIBS="-L$ac_python_libdir -l$ac_python_library"
else
# old way: use libpython from python_configdir
ac_python_libdir=`$PYTHON -c \
"from distutils.sysconfig import get_python_lib as f; \
import os; \
print (os.path.join(f(plat_specific=1, standard_lib=1), 'config'));"`
- PYTHON_LDFLAGS="-L$ac_python_libdir -lpython$ac_python_version"
+ PYTHON_LIBS="-L$ac_python_libdir -lpython$ac_python_version"
fi
- if test -z "PYTHON_LDFLAGS"; then
+ if test -z "PYTHON_LIBS"; then
AC_MSG_ERROR([
Cannot determine location of your Python DSO. Please check it was installed with
- dynamic libraries enabled, or try setting PYTHON_LDFLAGS by hand.
+ dynamic libraries enabled, or try setting PYTHON_LIBS by hand.
])
fi
fi
- AC_MSG_RESULT([$PYTHON_LDFLAGS])
- AC_SUBST([PYTHON_LDFLAGS])
+ AC_MSG_RESULT([$PYTHON_LIBS])
+ AC_SUBST([PYTHON_LIBS])
#
# Check for site packages
@@ -262,25 +262,25 @@ EOD`
# libraries which must be linked in when embedding
#
AC_MSG_CHECKING(python extra libraries)
- if test -z "$PYTHON_EXTRA_LIBS"; then
- PYTHON_EXTRA_LIBS=`$PYTHON -c "import distutils.sysconfig; \
+ if test -z "$PYTHON_EXTRA_LDFLAGS"; then
+ PYTHON_EXTRA_LDFLAGS=`$PYTHON -c "import distutils.sysconfig; \
conf = distutils.sysconfig.get_config_var; \
print (conf('LIBS') + ' ' + conf('SYSLIBS'))"`
fi
- AC_MSG_RESULT([$PYTHON_EXTRA_LIBS])
- AC_SUBST(PYTHON_EXTRA_LIBS)
+ AC_MSG_RESULT([$PYTHON_EXTRA_LDFLAGS])
+ AC_SUBST(PYTHON_EXTRA_LDFLAGS)
#
# linking flags needed when embedding
#
AC_MSG_CHECKING(python extra linking flags)
- if test -z "$PYTHON_EXTRA_LDFLAGS"; then
- PYTHON_EXTRA_LDFLAGS=`$PYTHON -c "import distutils.sysconfig; \
+ if test -z "$PYTHON_EXTRA_LIBS"; then
+ PYTHON_EXTRA_LIBS=`$PYTHON -c "import distutils.sysconfig; \
conf = distutils.sysconfig.get_config_var; \
print (conf('LINKFORSHARED'))"`
fi
- AC_MSG_RESULT([$PYTHON_EXTRA_LDFLAGS])
- AC_SUBST(PYTHON_EXTRA_LDFLAGS)
+ AC_MSG_RESULT([$PYTHON_EXTRA_LIBS])
+ AC_SUBST(PYTHON_EXTRA_LIBS)
#
# final check to see if everything compiles alright
@@ -288,8 +288,10 @@ EOD`
AC_MSG_CHECKING([consistency of all components of python development environment])
# save current global flags
ac_save_LIBS="$LIBS"
+ ac_save_LDFLAGS="$LDFLAGS"
ac_save_CPPFLAGS="$CPPFLAGS"
- LIBS="$ac_save_LIBS $PYTHON_LDFLAGS $PYTHON_EXTRA_LDFLAGS $PYTHON_EXTRA_LIBS"
+ LIBS="$ac_save_LIBS $PYTHON_LIBS $PYTHON_EXTRA_LIBS $PYTHON_EXTRA_LIBS"
+ LDFLAGS="$ac_save_LDFLAGS $PYTHON_EXTRA_LDFLAGS"
CPPFLAGS="$ac_save_CPPFLAGS $PYTHON_CPPFLAGS"
AC_LANG_PUSH([C])
AC_LINK_IFELSE([
@@ -300,6 +302,7 @@ EOD`
# turn back to default flags
CPPFLAGS="$ac_save_CPPFLAGS"
LIBS="$ac_save_LIBS"
+ LDFLAGS="$ac_save_LDFLAGS"
AC_MSG_RESULT([$pythonexists])
@@ -307,8 +310,8 @@ EOD`
AC_MSG_FAILURE([
Could not link test program to Python. Maybe the main Python library has been
installed in some non-standard library path. If so, pass it to configure,
- via the LDFLAGS environment variable.
- Example: ./configure LDFLAGS="-L/usr/non-standard-path/python/lib"
+ via the LIBS environment variable.
+ Example: ./configure LIBS="-L/usr/non-standard-path/python/lib"
============================================================================
ERROR!
You probably have to install the development version of the Python package
@@ -322,3 +325,4 @@ EOD`
# all done!
#
])
+
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