diff --git a/m4/ax_python_devel.m4 b/m4/ax_python_devel.m4
index e0804c5..3696cef 100644
--- a/m4/ax_python_devel.m4
+++ b/m4/ax_python_devel.m4
@@ -1,5 +1,5 @@
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_python_devel.html
+# https://www.gnu.org/software/autoconf-archive/ax_python_devel.html
# ===========================================================================
#
# SYNOPSIS
@@ -52,7 +52,7 @@
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
-# with this program. If not, see <http://www.gnu.org/licenses/>.
+# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
@@ -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 18
+#serial 25
AU_ALIAS([AC_PYTHON_DEVEL], [AX_PYTHON_DEVEL])
AC_DEFUN([AX_PYTHON_DEVEL],[
@@ -118,15 +118,39 @@ to something else than an empty string.
fi
#
- # if the macro parameter ``version'' is set, honour it
+ # If the macro parameter ``version'' is set, honour it.
+ # A Python shim class, VPy, is used to implement correct version comparisons via
+ # string expressions, since e.g. a naive textual ">= 2.7.3" won't work for
+ # Python 2.7.10 (the ".1" being evaluated as less than ".3").
#
if test -n "$1"; then
AC_MSG_CHECKING([for a version of Python $1])
- ac_supports_python_ver=`$PYTHON -c "import sys; \
- ver = sys.version.split ()[[0]]; \
+ cat << EOF > ax_python_devel_vpy.py
+class VPy:
+ def vtup(self, s):
+ return tuple(map(int, s.strip().replace("rc", ".").split(".")))
+ def __init__(self):
+ import sys
+ self.vpy = tuple(sys.version_info)
+ def __eq__(self, s):
+ return self.vpy == self.vtup(s)
+ def __ne__(self, s):
+ return self.vpy != self.vtup(s)
+ def __lt__(self, s):
+ return self.vpy < self.vtup(s)
+ def __gt__(self, s):
+ return self.vpy > self.vtup(s)
+ def __le__(self, s):
+ return self.vpy <= self.vtup(s)
+ def __ge__(self, s):
+ return self.vpy >= self.vtup(s)
+EOF
+ ac_supports_python_ver=`$PYTHON -c "import ax_python_devel_vpy; \
+ ver = ax_python_devel_vpy.VPy(); \
print (ver $1)"`
+ rm -rf ax_python_devel_vpy*.py* __pycache__/ax_python_devel_vpy*.py*
if test "$ac_supports_python_ver" = "True"; then
- AC_MSG_RESULT([yes])
+ AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_ERROR([this package requires Python $1.
@@ -141,16 +165,25 @@ variable to configure. See ``configure --help'' for reference.
#
# Check if you have distutils, else fail
#
- AC_MSG_CHECKING([for the distutils Python package])
- ac_distutils_result=`$PYTHON -c "import distutils" 2>&1`
- if test -z "$ac_distutils_result"; then
+ AC_MSG_CHECKING([for the sysconfig Python package])
+ ac_sysconfig_result=`$PYTHON -c "import sysconfig" 2>&1`
+ if test $? -eq 0; then
AC_MSG_RESULT([yes])
+ IMPORT_SYSCONFIG="import sysconfig"
else
AC_MSG_RESULT([no])
- AC_MSG_ERROR([cannot import Python module "distutils".
+
+ AC_MSG_CHECKING([for the distutils Python package])
+ ac_sysconfig_result=`$PYTHON -c "from distutils import sysconfig" 2>&1`
+ if test $? -eq 0; then
+ AC_MSG_RESULT([yes])
+ IMPORT_SYSCONFIG="from distutils import sysconfig"
+ else
+ AC_MSG_ERROR([cannot import Python module "distutils".
Please check your Python installation. The error was:
-$ac_distutils_result])
- PYTHON_VERSION=""
+$ac_sysconfig_result])
+ PYTHON_VERSION=""
+ fi
fi
#
@@ -158,10 +191,19 @@ $ac_distutils_result])
#
AC_MSG_CHECKING([for Python include path])
if test -z "$PYTHON_CPPFLAGS"; then
- python_path=`$PYTHON -c "import distutils.sysconfig; \
- print (distutils.sysconfig.get_python_inc ());"`
- plat_python_path=`$PYTHON -c "import distutils.sysconfig; \
- print (distutils.sysconfig.get_python_inc (plat_specific=1));"`
+ if test "$IMPORT_SYSCONFIG" = "import sysconfig"; then
+ # sysconfig module has different functions
+ python_path=`$PYTHON -c "$IMPORT_SYSCONFIG; \
+ print (sysconfig.get_path ('include'));"`
+ plat_python_path=`$PYTHON -c "$IMPORT_SYSCONFIG; \
+ print (sysconfig.get_path ('platinclude'));"`
+ else
+ # old distutils way
+ python_path=`$PYTHON -c "$IMPORT_SYSCONFIG; \
+ print (sysconfig.get_python_inc ());"`
+ plat_python_path=`$PYTHON -c "$IMPORT_SYSCONFIG; \
+ print (sysconfig.get_python_inc (plat_specific=1));"`
+ fi
if test -n "${python_path}"; then
if test "${plat_python_path}" != "${python_path}"; then
python_path="-I$python_path -I$plat_python_path"
@@ -185,7 +227,7 @@ $ac_distutils_result])
# join all versioning strings, on some systems
# major/minor numbers could be in different list elements
-from distutils.sysconfig import *
+from sysconfig import *
e = get_config_var('VERSION')
if e is not None:
print(e)
@@ -208,8 +250,8 @@ EOD`
ac_python_libdir=`cat<<EOD | $PYTHON -
# There should be only one
-import distutils.sysconfig
-e = distutils.sysconfig.get_config_var('LIBDIR')
+$IMPORT_SYSCONFIG
+e = sysconfig.get_config_var('LIBDIR')
if e is not None:
print (e)
EOD`
@@ -217,8 +259,8 @@ EOD`
# Now, for the library:
ac_python_library=`cat<<EOD | $PYTHON -
-import distutils.sysconfig
-c = distutils.sysconfig.get_config_vars()
+$IMPORT_SYSCONFIG
+c = sysconfig.get_config_vars()
if 'LDVERSION' in c:
print ('python'+c[['LDVERSION']])
else:
@@ -237,7 +279,7 @@ EOD`
else
# old way: use libpython from python_configdir
ac_python_libdir=`$PYTHON -c \
- "from distutils.sysconfig import get_python_lib as f; \
+ "from sysconfig import get_python_lib as f; \
import os; \
print (os.path.join(f(plat_specific=1, standard_lib=1), 'config'));"`
PYTHON_LIBS="-L$ac_python_libdir -lpython$ac_python_version"
@@ -258,35 +300,58 @@ EOD`
#
AC_MSG_CHECKING([for Python site-packages path])
if test -z "$PYTHON_SITE_PKG"; then
- PYTHON_SITE_PKG=`$PYTHON -c "import distutils.sysconfig; \
- print (distutils.sysconfig.get_python_lib(0,0));"`
+ if test "$IMPORT_SYSCONFIG" = "import sysconfig"; then
+ PYTHON_SITE_PKG=`$PYTHON -c "$IMPORT_SYSCONFIG; \
+ print (sysconfig.get_path('purelib'));"`
+ else
+ # distutils.sysconfig way
+ PYTHON_SITE_PKG=`$PYTHON -c "$IMPORT_SYSCONFIG; \
+ print (sysconfig.get_python_lib(0,0));"`
+ fi
fi
AC_MSG_RESULT([$PYTHON_SITE_PKG])
AC_SUBST([PYTHON_SITE_PKG])
+ #
+ # Check for platform-specific site packages
+ #
+ AC_MSG_CHECKING([for Python platform specific site-packages path])
+ if test -z "$PYTHON_SITE_PKG"; then
+ if test "$IMPORT_SYSCONFIG" = "import sysconfig"; then
+ PYTHON_PLATFORM_SITE_PKG=`$PYTHON -c "$IMPORT_SYSCONFIG; \
+ print (sysconfig.get_path('platlib'));"`
+ else
+ # distutils.sysconfig way
+ PYTHON_PLATFORM_SITE_PKG=`$PYTHON -c "$IMPORT_SYSCONFIG; \
+ print (sysconfig.get_python_lib(1,0));"`
+ fi
+ fi
+ AC_MSG_RESULT([$PYTHON_PLATFORM_SITE_PKG])
+ AC_SUBST([PYTHON_PLATFORM_SITE_PKG])
+
#
# libraries which must be linked in when embedding
#
AC_MSG_CHECKING(python extra libraries)
- if test -z "$PYTHON_EXTRA_LDFLAGS"; then
- PYTHON_EXTRA_LDFLAGS=`$PYTHON -c "import distutils.sysconfig; \
- conf = distutils.sysconfig.get_config_var; \
+ if test -z "$PYTHON_EXTRA_LIBS"; then
+ PYTHON_EXTRA_LIBS=`$PYTHON -c "$IMPORT_SYSCONFIG; \
+ conf = sysconfig.get_config_var; \
print (conf('LIBS') + ' ' + conf('SYSLIBS'))"`
fi
- AC_MSG_RESULT([$PYTHON_EXTRA_LDFLAGS])
- AC_SUBST(PYTHON_EXTRA_LDFLAGS)
+ AC_MSG_RESULT([$PYTHON_EXTRA_LIBS])
+ AC_SUBST(PYTHON_EXTRA_LIBS)
#
# linking flags needed when embedding
#
AC_MSG_CHECKING(python extra linking flags)
- if test -z "$PYTHON_EXTRA_LIBS"; then
- PYTHON_EXTRA_LIBS=`$PYTHON -c "import distutils.sysconfig; \
- conf = distutils.sysconfig.get_config_var; \
+ if test -z "$PYTHON_EXTRA_LDFLAGS"; then
+ PYTHON_EXTRA_LDFLAGS=`$PYTHON -c "$IMPORT_SYSCONFIG; \
+ conf = sysconfig.get_config_var; \
print (conf('LINKFORSHARED'))"`
fi
- AC_MSG_RESULT([$PYTHON_EXTRA_LIBS])
- AC_SUBST(PYTHON_EXTRA_LIBS)
+ AC_MSG_RESULT([$PYTHON_EXTRA_LDFLAGS])
+ AC_SUBST(PYTHON_EXTRA_LDFLAGS)
#
# final check to see if everything compiles alright