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4cbd409508
We use the information from various configure time checks to populate
paths.sh. The paths used are all absolute except for the python binary.
In the switch to a more comprehensive check for python by commit
fa05153e ("Make checking for python more predictable.") we ended up
using AC_CHECK_PROGS which checks for the program on the path and sets
the variable to the name of the program. This makes python inconsistent
with the other programs and seems to cause problems for MSYS2. Use
AC_PATH_PROGS instead which does the same check but sets the variable to
the absolute name of the program
Fixes #2047
Signed-off-by: Chris Packham <judge.packham@gmail.com>
112 lines
4.3 KiB
Plaintext
112 lines
4.3 KiB
Plaintext
# ===========================================================================
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# Based on: https://www.gnu.org/software/autoconf-archive/ax_python.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# CTNG_PYTHON
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#
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# DESCRIPTION
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#
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# This macro does a complete Python development environment check.
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#
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# It checks for all known versions. When it finds an executable, it looks
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# to find the header files and library.
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#
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# It sets PYTHON_BIN to the name of the python executable,
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# PYTHON_INCLUDE_DIR to the directory holding the header files, and
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# PYTHON_LIB to the name of the Python library.
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#
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# This macro calls AC_SUBST on PYTHON_BIN (via AC_CHECK_PROG),
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# PYTHON_INCLUDE_DIR and PYTHON_LIB.
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#
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# Also calls CTNG_SET_KCONFIG_OPTION to set KCONFIG_python for
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# crosstool-ng.
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#
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# LICENSE
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#
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# Copyright (c) 2008 Michael Tindal
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# Copyright (c) 2023 Bryan Hundven
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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# As a special exception, the respective Autoconf Macro's copyright owner
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# gives unlimited permission to copy, distribute and modify the configure
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# scripts that are the output of Autoconf when processing the Macro. You
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# need not follow the terms of the GNU General Public License when using
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# or distributing such scripts, even though portions of the text of the
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
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#
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# This special exception to the GPL applies to versions of the Autoconf
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# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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#serial 21
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AC_DEFUN([CTNG_PYTHON],
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[
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AC_MSG_CHECKING(for python build information)
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AC_MSG_RESULT([])
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for python in python3.12 python3.11 python3.10 python3.9 python3.8 python3.7 dnl
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python3.6 python3.5 python3.4 python3.3 python3.2 python3.1 python3.0 python2.7 dnl
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python2.6 python2.5 python2.4 python2.3 python2.2 python2.1 python; do
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AC_PATH_PROGS(PYTHON_BIN, [$python])
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ctng_python_bin=$PYTHON_BIN
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if test "$ctng_python_bin" != ""; then
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AC_CHECK_LIB($ctng_python_bin, main, ctng_python_lib=$ctng_python_bin, ctng_python_lib=no)
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if test "$ctng_python_lib" = "no"; then
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AC_CHECK_LIB(${ctng_python_bin}m, main, ctng_python_lib=${ctng_python_bin}m, ctng_python_lib=no)
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fi
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if test "$ctng_python_lib" != "no"; then
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$ctng_python_bin -c 'import sysconfig' 2>&1
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if test $? -eq 0; then
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ctng_python_header=$($ctng_python_bin -c "from sysconfig import get_config_var; print(get_config_var('CONFINCLUDEPY'))")
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else
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ctng_python_header=$($ctng_python_bin -c "from distutils.sysconfig import *; print(get_config_var('CONFINCLUDEPY'))")
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fi
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if test "$ctng_python_header" != ""; then
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break;
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fi
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fi
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fi
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done
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python=n
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AS_IF([test "$ctng_python_bin" = ""],
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ctng_python_bin=no,
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python=y)
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CTNG_SET_KCONFIG_OPTION([python])
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AS_IF([test "$ctng_python_header" = ""],
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ctng_python_header=no)
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AS_IF([test "$ctng_python_lib" = ""],
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ctng_python_lib=no)
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AC_MSG_RESULT([ results of the Python check:])
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AC_MSG_RESULT([ Binary: $ctng_python_bin])
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AC_MSG_RESULT([ Library: $ctng_python_lib])
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AC_MSG_RESULT([ Include Dir: $ctng_python_header])
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AS_IF([test "$ctng_python_header" != "no"],
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[PYTHON_INCLUDE_DIR=$ctng_python_header
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AC_SUBST(PYTHON_INCLUDE_DIR)])
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AS_IF([test "$ctng_python_lib" != "no"],
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[PYTHON_LIB=$ctng_python_lib
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AC_SUBST(PYTHON_LIB)])
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])dnl
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