Skip to content

Commit

Permalink
Update ax_python_devel.m4
Browse files Browse the repository at this point in the history
  • Loading branch information
@tatsuhiro-t
tatsuhiro-t committed Dec 29, 2020
1 parent 43ba312 commit c88e910
Show file tree
Hide file tree
Showing 2 changed files with 30 additions and 48 deletions.
5 changes: 2 additions & 3 deletions configure.ac
View file
Original file line number Diff line number Diff line change
Expand Up @@ -567,7 +567,7 @@ enable_python_bindings=no
if test "x${request_python_bindings}" != "xno" &&
test "x${CYTHON}" != "x" &&
test "x${PYTHON}" != "x:" &&
test "x${have_python_dev}" = "xyes"; then
test "x${PYTHON_VERSION}" != "x"; then
enable_python_bindings=yes
fi

Expand Down Expand Up @@ -890,9 +890,8 @@ AC_MSG_NOTICE([summary of build options:
Python: ${PYTHON}
PYTHON_VERSION: ${PYTHON_VERSION}
pyexecdir: ${pyexecdir}
Python-dev: ${have_python_dev}
PYTHON_CPPFLAGS:${PYTHON_CPPFLAGS}
PYTHON_LDFLAGS: ${PYTHON_LDFLAGS}
PYTHON_LIBS: ${PYTHON_LIBS}
Cython: ${CYTHON}
Test:
CUnit: ${have_cunit} (CFLAGS='${CUNIT_CFLAGS}' LIBS='${CUNIT_LIBS}')
Expand Down
73 changes: 28 additions & 45 deletions m4/ax_python_devel.m4
View file
Original file line number Diff line number Diff line change
@@ -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
Expand All @@ -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
Expand Down Expand Up @@ -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
Expand All @@ -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 16
#serial 21

AU_ALIAS([AC_PYTHON_DEVEL], [AX_PYTHON_DEVEL])
AC_DEFUN([AX_PYTHON_DEVEL],[
Expand All @@ -81,12 +81,10 @@ AC_DEFUN([AX_PYTHON_DEVEL],[
AC_PATH_PROG([PYTHON],[python[$PYTHON_VERSION]])
if test -z "$PYTHON"; then
AC_MSG_WARN([Cannot find python$PYTHON_VERSION in your system path])
AC_MSG_ERROR([Cannot find python$PYTHON_VERSION in your system path])
PYTHON_VERSION=""
no_python_devel=yes
fi
AS_IF([test -z "$no_python_devel"], [
#
# Check for a version of Python >= 2.1.0
#
Expand All @@ -97,25 +95,22 @@ AS_IF([test -z "$no_python_devel"], [
if test "$ac_supports_python_ver" != "True"; then
if test -z "$PYTHON_NOVERSIONCHECK"; then
AC_MSG_RESULT([no])
AC_MSG_WARN([
AC_MSG_FAILURE([
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.
])
no_python_devel=yes
else
AC_MSG_RESULT([skip at user request])
fi
else
AC_MSG_RESULT([yes])
fi
]) # AS_IF
AS_IF([test -z "$no_python_devel"], [
#
# if the macro parameter ``version'' is set, honour it
#
Expand All @@ -128,36 +123,30 @@ AS_IF([test -z "$no_python_devel"], [
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_WARN([this package requires Python $1.
AC_MSG_ERROR([this package requires Python $1.
If you have it installed, but it isn't the default Python
interpreter in your system path, please pass the PYTHON_VERSION
variable to configure. See ``configure --help'' for reference.
])
PYTHON_VERSION=""
no_python_devel=yes
fi
fi
]) # AS_IF
AS_IF([test -z "$no_python_devel"], [
#
# 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
if test $? -eq 0; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_WARN([cannot import Python module "distutils".
AC_MSG_ERROR([cannot import Python module "distutils".
Please check your Python installation. The error was:
$ac_distutils_result])
PYTHON_VERSION=""
no_python_devel=yes
fi
]) # AS_IF
AS_IF([test -z "$no_python_devel"], [
#
# Check for Python include path
#
Expand All @@ -183,7 +172,7 @@ AS_IF([test -z "$no_python_devel"], [
# Check for Python library path
#
AC_MSG_CHECKING([for Python library path])
if test -z "$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 | $PYTHON -
Expand Down Expand Up @@ -238,29 +227,26 @@ EOD`
then
# use the official shared library
ac_python_library=`echo "$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$ac_python_version"
fi
if test -z "PYTHON_LDFLAGS"; then
AC_MSG_WARN([
if test -z "PYTHON_LIBS"; then
AC_MSG_ERROR([
Cannot determine location of your Python DSO. Please check it was installed with
dynamic libraries enabled, or try setting PYTHON_LDFLAGS by hand.
dynamic libraries enabled, or try setting PYTHON_LIBS by hand.
])
no_python_devel=yes
fi
fi
AC_MSG_RESULT([$PYTHON_LDFLAGS])
AC_SUBST([PYTHON_LDFLAGS])
]) # AS_IF
AC_MSG_RESULT([$PYTHON_LIBS])
AC_SUBST([PYTHON_LIBS])
AS_IF([test -z "$no_python_devel"], [
#
# Check for site packages
#
Expand All @@ -279,7 +265,7 @@ AS_IF([test -z "$no_python_devel"], [
if test -z "$PYTHON_EXTRA_LIBS"; then
PYTHON_EXTRA_LIBS=`$PYTHON -c "import distutils.sysconfig; \
conf = distutils.sysconfig.get_config_var; \
print (conf('LIBS'))"`
print (conf('LIBS') + ' ' + conf('SYSLIBS'))"`
fi
AC_MSG_RESULT([$PYTHON_EXTRA_LIBS])
AC_SUBST(PYTHON_EXTRA_LIBS)
Expand All @@ -302,8 +288,10 @@ AS_IF([test -z "$no_python_devel"], [
AC_MSG_CHECKING([consistency of all components of python development environment])
# save current global flags
ac_save_LIBS="$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 $PYTHON_CPPFLAGS"
AC_LANG_PUSH([C])
AC_LINK_IFELSE([
Expand All @@ -314,31 +302,26 @@ AS_IF([test -z "$no_python_devel"], [
# turn back to default flags
CPPFLAGS="$ac_save_CPPFLAGS"
LIBS="$ac_save_LIBS"
LDFLAGS="$ac_save_LDFLAGS"
AC_MSG_RESULT([$pythonexists])
if test ! "x$pythonexists" = "xyes"; then
AC_MSG_WARN([
AC_MSG_FAILURE([
Could not link test program to Python. Maybe the main Python library has been
installed in some non-standard library path. If so, pass it to configure,
via the LDFLAGS environment variable.
Example: ./configure LDFLAGS="-L/usr/non-standard-path/python/lib"
via the LIBS environment variable.
Example: ./configure LIBS="-L/usr/non-standard-path/python/lib"
============================================================================
ERROR!
You probably have to install the development version of the Python package
for your distribution. The exact name of this package varies among them.
============================================================================
])
PYTHON_VERSION=""
no_python_devel=yes
fi
#
# all done!
#
]) # AS_IF
AS_IF([test -z "$no_python_devel"],
[have_python_dev=yes], [have_python_dev=no])
]) # AS_IF
])

0 comments on commit c88e910

Please sign in to comment.