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python: Update python.m4 configure script.

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* configure.ac: Unset PYTHON_LIBS.  Support python 3.10.
* m4/python.m4: Find correct version string for python >= 3.10.
--

See-also: https://dev.gnupg.org/D546

Also test for 3.11 and 3.12 (wk).
This commit is contained in:
Ben Greiner (bnavigator) 2023-03-16 15:09:38 +01:00 committed by Werner Koch
parent e50724e1bb
commit d086653cc3
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GPG Key ID: E3FDFF218E45B72B
2 changed files with 198 additions and 91 deletions
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4
configure.ac
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@ -521,11 +521,13 @@ if test "$found_py" = "1"; then
if test "$found_py" = "1" -o "$found_py3" = "1"; then
# Reset everything, so that we can look for another Python.
m4_foreach([mym4pythonver],
[[2.7],[3.4],[3.5],[3.6],[3.7],[3.8],[3.9],[all]],
[[2.7],[3.4],[3.5],[3.6],[3.7],[3.8],[3.9],[3.10],
[3.11],[3.12],[all]],
[unset PYTHON
unset PYTHON_VERSION
unset PYTHON_CPPFLAGS
unset PYTHON_LDFLAGS
unset PYTHON_LIBS
unset PYTHON_SITE_PKG
unset PYTHON_EXTRA_LIBS
unset PYTHON_EXTRA_LDFLAGS

205
m4/python.m4
View File

@ -1,10 +1,10 @@
## ------------------------ -*- Autoconf -*-
## Python file handling
## From Andrew Dalke
## Updated by James Henstridge
## Updated by James Henstridge and other contributors.
## Updated by Werner Koch 2018-10-17
## ---------------------------------
# Copyright (C) 1999-2017 Free Software Foundation, Inc.
## ------------------------
# Copyright (C) 1999-2021 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -36,13 +36,12 @@
# numbers and dots only.
AC_DEFUN([AM_PATH_PYTHON],
[
dnl Find a Python interpreter. Python versions prior to 2.0 are not
dnl supported. (2.0 was released on October 16, 2000). Python 3.0
dnl through to Python 3.9 are also not supported.
dnl Find a Python interpreter. Python versions prior to 2.7 are not
dnl supported. Python 3.0 through to Python 3.3 are also not supported.
m4_define_default([_AM_PYTHON_INTERPRETER_LIST],
[python2 python2.7 dnl
python dnl
python3 python3.9 python3.8 python3.7 python3.6 python3.5 python3.4
python3 python3.10 python3.9 python3.8 python3.7 python3.6 python3.5 python3.4
])
AC_ARG_VAR([PYTHON], [the Python interpreter])
@ -89,30 +88,137 @@ AC_DEFUN([AM_PATH_PYTHON],
m4_default([$3], [AC_MSG_ERROR([no suitable Python interpreter found])])
else
dnl Query Python for its version number. Getting [:3] seems to be
dnl the best way to do this; it's what "site.py" does in the standard
dnl library.
dnl Query Python for its version number. Although site.py simply uses
dnl sys.version[:3], printing that failed with Python 3.10, since the
dnl trailing zero was eliminated. So now we output just the major
dnl and minor version numbers, as numbers. Apparently the tertiary
dnl version is not of interest.
dnl
AC_CACHE_CHECK([for $am_display_PYTHON version], [am_cv_python_version],
[am_cv_python_version=`$PYTHON -c "import sys; sys.stdout.write(sys.version[[:3]])"`])
[am_cv_python_version=`$PYTHON -c "import sys; print ('%u.%u' % sys.version_info[[:2]])"`])
AC_SUBST([PYTHON_VERSION], [$am_cv_python_version])
dnl Use the values of $prefix and $exec_prefix for the corresponding
dnl values of PYTHON_PREFIX and PYTHON_EXEC_PREFIX. These are made
dnl distinct variables so they can be overridden if need be. However,
dnl general consensus is that you shouldn't need this ability.
AC_SUBST([PYTHON_PREFIX], ['${prefix}'])
AC_SUBST([PYTHON_EXEC_PREFIX], ['${exec_prefix}'])
dnl At times (like when building shared libraries) you may want
dnl At times, e.g., when building shared libraries, you may want
dnl to know which OS platform Python thinks this is.
dnl
AC_CACHE_CHECK([for $am_display_PYTHON platform], [am_cv_python_platform],
[am_cv_python_platform=`$PYTHON -c "import sys; sys.stdout.write(sys.platform)"`])
AC_SUBST([PYTHON_PLATFORM], [$am_cv_python_platform])
# Just factor out some code duplication.
dnl emacs-page
dnl If --with-python-sys-prefix is given, use the values of sys.prefix
dnl and sys.exec_prefix for the corresponding values of PYTHON_PREFIX
dnl and PYTHON_EXEC_PREFIX. Otherwise, use the GNU ${prefix} and
dnl ${exec_prefix} variables.
dnl
dnl The two are made distinct variables so they can be overridden if
dnl need be, although general consensus is that you shouldn't need
dnl this separation.
dnl
dnl Also allow directly setting the prefixes via configure options,
dnl overriding any default.
dnl
if test "x$prefix" = xNONE; then
am__usable_prefix=$ac_default_prefix
else
am__usable_prefix=$prefix
fi
# Allow user to request using sys.* values from Python,
# instead of the GNU $prefix values.
AC_ARG_WITH([python-sys-prefix],
[AS_HELP_STRING([--with-python-sys-prefix],
[use Python's sys.prefix and sys.exec_prefix values])],
[am_use_python_sys=:],
[am_use_python_sys=false])
# Allow user to override whatever the default Python prefix is.
AC_ARG_WITH([python_prefix],
[AS_HELP_STRING([--with-python_prefix],
[override the default PYTHON_PREFIX])],
[am_python_prefix_subst=$withval
am_cv_python_prefix=$withval
AC_MSG_CHECKING([for explicit $am_display_PYTHON prefix])
AC_MSG_RESULT([$am_cv_python_prefix])],
[
if $am_use_python_sys; then
# using python sys.prefix value, not GNU
AC_CACHE_CHECK([for python default $am_display_PYTHON prefix],
[am_cv_python_prefix],
[am_cv_python_prefix=`$PYTHON -c "import sys; sys.stdout.write(sys.prefix)"`])
dnl If sys.prefix is a subdir of $prefix, replace the literal value of
dnl $prefix with a variable reference so it can be overridden.
case $am_cv_python_prefix in
$am__usable_prefix*)
am__strip_prefix=`echo "$am__usable_prefix" | sed 's|.|.|g'`
am_python_prefix_subst=`echo "$am_cv_python_prefix" | sed "s,^$am__strip_prefix,\\${prefix},"`
;;
*)
am_python_prefix_subst=$am_cv_python_prefix
;;
esac
else # using GNU prefix value, not python sys.prefix
am_python_prefix_subst='${prefix}'
am_python_prefix=$am_python_prefix_subst
AC_MSG_CHECKING([for GNU default $am_display_PYTHON prefix])
AC_MSG_RESULT([$am_python_prefix])
fi])
# Substituting python_prefix_subst value.
AC_SUBST([PYTHON_PREFIX], [$am_python_prefix_subst])
# emacs-page Now do it all over again for Python exec_prefix, but with yet
# another conditional: fall back to regular prefix if that was specified.
AC_ARG_WITH([python_exec_prefix],
[AS_HELP_STRING([--with-python_exec_prefix],
[override the default PYTHON_EXEC_PREFIX])],
[am_python_exec_prefix_subst=$withval
am_cv_python_exec_prefix=$withval
AC_MSG_CHECKING([for explicit $am_display_PYTHON exec_prefix])
AC_MSG_RESULT([$am_cv_python_exec_prefix])],
[
# no explicit --with-python_exec_prefix, but if
# --with-python_prefix was given, use its value for python_exec_prefix too.
AS_IF([test -n "$with_python_prefix"],
[am_python_exec_prefix_subst=$with_python_prefix
am_cv_python_exec_prefix=$with_python_prefix
AC_MSG_CHECKING([for python_prefix-given $am_display_PYTHON exec_prefix])
AC_MSG_RESULT([$am_cv_python_exec_prefix])],
[
# Set am__usable_exec_prefix whether using GNU or Python values,
# since we use that variable for pyexecdir.
if test "x$exec_prefix" = xNONE; then
am__usable_exec_prefix=$am__usable_prefix
else
am__usable_exec_prefix=$exec_prefix
fi
#
if $am_use_python_sys; then # using python sys.exec_prefix, not GNU
AC_CACHE_CHECK([for python default $am_display_PYTHON exec_prefix],
[am_cv_python_exec_prefix],
[am_cv_python_exec_prefix=`$PYTHON -c "import sys; sys.stdout.write(sys.exec_prefix)"`])
dnl If sys.exec_prefix is a subdir of $exec_prefix, replace the
dnl literal value of $exec_prefix with a variable reference so it can
dnl be overridden.
case $am_cv_python_exec_prefix in
$am__usable_exec_prefix*)
am__strip_prefix=`echo "$am__usable_exec_prefix" | sed 's|.|.|g'`
am_python_exec_prefix_subst=`echo "$am_cv_python_exec_prefix" | sed "s,^$am__strip_prefix,\\${exec_prefix},"`
;;
*)
am_python_exec_prefix_subst=$am_cv_python_exec_prefix
;;
esac
else # using GNU $exec_prefix, not python sys.exec_prefix
am_python_exec_prefix_subst='${exec_prefix}'
am_python_exec_prefix=$am_python_exec_prefix_subst
AC_MSG_CHECKING([for GNU default $am_display_PYTHON exec_prefix])
AC_MSG_RESULT([$am_python_exec_prefix])
fi])])
# Substituting python_exec_prefix_subst.
AC_SUBST([PYTHON_EXEC_PREFIX], [$am_python_exec_prefix_subst])
# Factor out some code duplication into this shell variable.
am_python_setup_sysconfig="\
import sys
# Prefer sysconfig over distutils.sysconfig, for better compatibility
@ -132,20 +238,20 @@ try:
except ImportError:
pass"
dnl Set up 4 directories:
dnl emacs-page Set up 4 directories:
dnl pythondir -- where to install python scripts. This is the
dnl 1. pythondir: where to install python scripts. This is the
dnl site-packages directory, not the python standard library
dnl directory like in previous automake betas. This behavior
dnl is more consistent with lispdir.m4 for example.
dnl Query distutils for this directory.
AC_CACHE_CHECK([for $am_display_PYTHON script directory],
dnl
AC_CACHE_CHECK([for $am_display_PYTHON script directory (pythondir)],
[am_cv_python_pythondir],
[if test "x$prefix" = xNONE
then
am_py_prefix=$ac_default_prefix
[if test "x$am_cv_python_prefix" = x; then
am_py_prefix=$am__usable_prefix
else
am_py_prefix=$prefix
am_py_prefix=$am_cv_python_prefix
fi
am_cv_python_pythondir=`$PYTHON -c "
$am_python_setup_sysconfig
@ -155,16 +261,16 @@ else:
from distutils import sysconfig
sitedir = sysconfig.get_python_lib(0, 0, prefix='$am_py_prefix')
sys.stdout.write(sitedir)"`
#
case $am_cv_python_pythondir in
$am_py_prefix*)
am__strip_prefix=`echo "$am_py_prefix" | sed 's|.|.|g'`
am_cv_python_pythondir=`echo "$am_cv_python_pythondir" | sed "s,^$am__strip_prefix,$PYTHON_PREFIX,"`
am_cv_python_pythondir=`echo "$am_cv_python_pythondir" | sed "s,^$am__strip_prefix,\\${PYTHON_PREFIX},"`
;;
*)
case $am_py_prefix in
/usr|/System*) ;;
*)
am_cv_python_pythondir=$PYTHON_PREFIX/lib/python$PYTHON_VERSION/site-packages
*) am_cv_python_pythondir="\${PYTHON_PREFIX}/lib/python$PYTHON_VERSION/site-packages"
;;
esac
;;
@ -172,41 +278,41 @@ sys.stdout.write(sitedir)"`
])
AC_SUBST([pythondir], [$am_cv_python_pythondir])
dnl pkgpythondir -- $PACKAGE directory under pythondir. Was
dnl 2. pkgpythondir: $PACKAGE directory under pythondir. Was
dnl PYTHON_SITE_PACKAGE in previous betas, but this naming is
dnl more consistent with the rest of automake.
dnl
AC_SUBST([pkgpythondir], [\${pythondir}/$PACKAGE])
dnl pyexecdir -- directory for installing python extension modules
dnl (shared libraries)
dnl 3. pyexecdir: directory for installing python extension modules
dnl (shared libraries).
dnl Query distutils for this directory.
AC_CACHE_CHECK([for $am_display_PYTHON extension module directory],
dnl
AC_CACHE_CHECK([for $am_display_PYTHON extension module directory (pyexecdir)],
[am_cv_python_pyexecdir],
[if test "x$exec_prefix" = xNONE
then
am_py_exec_prefix=$am_py_prefix
[if test "x$am_cv_python_exec_prefix" = x; then
am_py_exec_prefix=$am__usable_exec_prefix
else
am_py_exec_prefix=$exec_prefix
am_py_exec_prefix=$am_cv_python_exec_prefix
fi
am_cv_python_pyexecdir=`$PYTHON -c "
$am_python_setup_sysconfig
if can_use_sysconfig:
sitedir = sysconfig.get_path('platlib', vars={'platbase':'$am_py_prefix'})
sitedir = sysconfig.get_path('platlib', vars={'platbase':'$am_py_exec_prefix'})
else:
from distutils import sysconfig
sitedir = sysconfig.get_python_lib(1, 0, prefix='$am_py_prefix')
sitedir = sysconfig.get_python_lib(1, 0, prefix='$am_py_exec_prefix')
sys.stdout.write(sitedir)"`
#
case $am_cv_python_pyexecdir in
$am_py_exec_prefix*)
am__strip_prefix=`echo "$am_py_exec_prefix" | sed 's|.|.|g'`
am_cv_python_pyexecdir=`echo "$am_cv_python_pyexecdir" | sed "s,^$am__strip_prefix,$PYTHON_EXEC_PREFIX,"`
am_cv_python_pyexecdir=`echo "$am_cv_python_pyexecdir" | sed "s,^$am__strip_prefix,\\${PYTHON_EXEC_PREFIX},"`
;;
*)
case $am_py_exec_prefix in
/usr|/System*) ;;
*)
am_cv_python_pyexecdir=$PYTHON_EXEC_PREFIX/lib/python$PYTHON_VERSION/site-packages
*) am_cv_python_pyexecdir="\${PYTHON_EXEC_PREFIX}/lib/python$PYTHON_VERSION/site-packages"
;;
esac
;;
@ -214,14 +320,13 @@ sys.stdout.write(sitedir)"`
])
AC_SUBST([pyexecdir], [$am_cv_python_pyexecdir])
dnl pkgpyexecdir -- $(pyexecdir)/$(PACKAGE)
dnl 4. pkgpyexecdir: $(pyexecdir)/$(PACKAGE)
dnl
AC_SUBST([pkgpyexecdir], [\${pyexecdir}/$PACKAGE])
dnl Run any user-specified action.
$2
fi
])