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Make checking for python more predictable.
Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>
This commit is contained in:
Bryan Hundven
Chris Packham
parent
1b0c227c05
commit
fa05153eba
16
configure.ac
16
configure.ac
@ -253,19 +253,11 @@ CTNG_PROG_VERSION([M4],
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[\(GNU M4\) ([2-9]\.|1\.[5-9]|1\.[1-4][0-9]|1\.4\.[2-9][0-9]|1\.4\.1[2-9])],
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[gnu_m4_1_4_12_or_newer])
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CTNG_PROG_VERSION([PYTHON],
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[Python],
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[python],
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[python37 python3.7 python36 python3.6 python35 python3.5 python34 python3.4 python33 python3.3 python32 python3.2 python31 python3.1 python3 python27 python2.7 python26 python2.6 python2 python],
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[^Python [23]\.],
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[python])
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# Check for Python
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CTNG_PYTHON
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CTNG_PROG_VERSION([PYTHON],
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[Python >= 3.4],
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[python],
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[python37 python3.7 python36 python3.6 python35 python3.5 python34 python3.4 python3 python],
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[^Python 3\.([4-9]|[1-9][0-9]+)\.],
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[python_3_4_or_newer])
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# Check for Python 3.4 or newer
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CTNG_PYTHON_VERSION([3],[4])
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CTNG_PROG_VERSION_REQ_ANY([BISON],
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[bison >= 2.7],
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111
m4/ctng_python.m4
Normal file
111
m4/ctng_python.m4
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@ -0,0 +1,111 @@
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# ===========================================================================
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# Based on: https://www.gnu.org/software/autoconf-archive/ctng_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_CHECK_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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17
m4/ctng_python_version.m4
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17
m4/ctng_python_version.m4
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@ -0,0 +1,17 @@
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# CTNG_PYTHON_VERSION([major],[minor])
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#
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# Check for at least a specific Major.Minor of python.
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# Don't error out if it isn't matched... Might go back on that.
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AC_DEFUN([CTNG_PYTHON_VERSION],
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[
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AC_MSG_CHECKING(for python version greater than $1.$2)
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pyvermajor=$($PYTHON_BIN -c "import sys; print(sys.version_info.major)")
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pyverminor=$($PYTHON_BIN -c "import sys; print(sys.version_info.minor)")
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AS_IF([test $pyvermajor -ge $1 -a $pyverminor -ge $2],
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eval "python_$1_$2_or_newer=y"
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[CTNG_SET_KCONFIG_OPTION([python_$1_$2_or_newer])
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AC_MSG_RESULT([yes: ${pyvermajor}.${pyverminor}])],
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AC_MSG_RESULT([no: ${pyvermajor}.${pyverminor}]))
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])dnl
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@ -6,7 +6,7 @@ export grep="@GREP@"
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export gmake="@MAKE@"
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export gnumake="@MAKE@"
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export make="@MAKE@"
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export python="@PYTHON@"
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export python="@PYTHON_BIN@"
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export sed="@SED@"
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export libtool="@LIBTOOL@"
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export libtoolize="@LIBTOOLIZE@"
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