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Diffstat (limited to 'src/external/python.m4')
| -rw-r--r-- | src/external/python.m4 | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/external/python.m4 b/src/external/python.m4 new file mode 100644 index 0000000..6a62835 --- /dev/null +++ b/src/external/python.m4 @@ -0,0 +1,186 @@ +dnl Check for python-config and substitute needed CFLAGS and LDFLAGS +dnl Usage: +dnl AM_PYTHON_CONFIG(python_with_major_version) +dnl argument python_with_major_version should be either python2 or python3 +dnl This function sets the PYTHON_CFLAGS, PYTHON_LIBS and PYTHON_INCLUDES +dnl variables + +AC_DEFUN([AM_PYTHON_CONFIG], +[ + AC_PATH_PROG([PYTHON_CONFIG], [python$PYTHON_VERSION-config]) + AS_IF([test x"$PYTHON_CONFIG" = x], + AC_MSG_ERROR([ +The program python$PYTHON_VERSION-config was not found in search path. +Please ensure that it is installed and its directory is included in the search +path. If you want to build sssd without $1 bindings then specify +--without-$1-bindings when running configure.])) + + PYTHON_CFLAGS="` $PYTHON_CONFIG --cflags`" + PYTHON_LIBS="` $PYTHON_CONFIG --libs`" + PYTHON_INCLUDES="` $PYTHON_CONFIG --includes`" + # With python3.8 it is expected that C extension do not link against + # libpythonX.Y anymore but only the application loading the extension links + # the library. pyhton3.8-config adds a new option --embed for this use + # case. See + # https://docs.python.org/dev/whatsnew/3.8.html#debug-build-uses-the-same-abi-as-release-build + # for details. Since the dlopen-test checks the python modules as well we + # have to make sure that it links libpythonX.Y. + # + # To build the Python modules PYTHON_LIBS must be used, python-config will + # take care that this does not include libpythonX.Y for Python3.8. + # + # For our dlopen-test PYTHON_DLOPEN_LIB must be used. It is either empty or + # contains libpythonX.Y if needed. + + $PYTHON_CONFIG --libs --embed 1> /dev/null 2> /dev/null + if test $? -eq 0; then + PYTHON_DLOPEN_LIB="` $PYTHON_CONFIG --libs --embed | grep -o -- '-lpython@<:@^ @:>@*' |sed -e 's/^-l/lib/'`" + if test x"$PYTHON_DLOPEN_LIB" != x; then + python_lib_paths="` $PYTHON_CONFIG --ldflags | grep -o -- '-L/@<:@^ @:>@*' | sed -e 's/^-L//'`" + for p in $python_lib_paths; do + if test -e $p"/"$PYTHON_DLOPEN_LIB; then + PYTHON_DLOPEN_LIB=$p"/"$PYTHON_DLOPEN_LIB + break + fi + done + PYTHON_DLOPEN_LIB=$PYTHON_DLOPEN_LIB".so" + AC_DEFINE_UNQUOTED([PYTHON_DLOPEN_LIB], ["$PYTHON_DLOPEN_LIB"], [The path of libpython for dlopen-tests]) + fi + fi +]) + +dnl Taken from GNOME sources +dnl a macro to check for ability to create python extensions +dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE]) +AC_DEFUN([AM_CHECK_PYTHON_HEADERS], +[ + AC_REQUIRE([AM_PATH_PYTHON]) + AC_MSG_CHECKING(for headers required to compile python extensions) + + dnl check if the headers exist: + save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES" + AC_TRY_CPP([#include <Python.h>],dnl + [AC_MSG_RESULT([found]) + $1],dnl + [AC_MSG_RESULT([not found]) + $2]) + CPPFLAGS="$save_CPPFLAGS" +]) + +dnl Clean variables after detection of python +AC_DEFUN([SSS_CLEAN_PYTHON_VARIABLES], +[ + unset pyexecdir pkgpyexecdir pythondir pgkpythondir + unset PYTHON PYTHON_CFLAGS PYTHON_LIBS PYTHON_INCLUDES + unset PYTHON_VERSION PYTHON_CONFIG + + dnl removed cached variables, required for reusing of AM_PATH_PYTHON + unset am_cv_pathless_PYTHON ac_cv_path_PYTHON am_cv_python_version + unset am_cv_python_platform am_cv_python_pythondir am_cv_python_pyexecdir + unset ac_cv_path_PYTHON_CONFIG +]) + +dnl =========================================================================== +dnl http://www.gnu.org/software/autoconf-archive/ax_python_module.html +dnl =========================================================================== +dnl +dnl SYNOPSIS +dnl +dnl AM_PYTHON2_MODULE(modname[, fatal]) +dnl +dnl DESCRIPTION +dnl +dnl Checks for Python 2 module. +dnl +dnl If fatal is non-empty then absence of a module will trigger an error. +dnl +dnl LICENSE +dnl +dnl Copyright (c) 2008 Andrew Collier +dnl +dnl Copying and distribution of this file, with or without modification, are +dnl permitted in any medium without royalty provided the copyright notice +dnl and this notice are preserved. This file is offered as-is, without any +dnl warranty. +AC_DEFUN([AM_PYTHON2_MODULE],[ + if test x"$PYTHON2" = x; then + if test -n "$2"; then + AC_MSG_ERROR([cannot look for $1 module: Python 2 not found]) + else + AC_MSG_NOTICE([cannot look for $1 module: Python 2 not found]) + eval AS_TR_CPP(HAVE_PY2MOD_$1)=no + fi + else + AC_MSG_CHECKING($(basename $PYTHON2) module: $1) + $PYTHON2 -c "import $1" 2>/dev/null + if test $? -eq 0; then + AC_MSG_RESULT(yes) + eval AS_TR_CPP(HAVE_PY2MOD_$1)=yes + else + AC_MSG_RESULT(no) + eval AS_TR_CPP(HAVE_PY2MOD_$1)=no + # + if test -n "$2" + then + AC_MSG_ERROR(failed to find required module $1) + exit 1 + fi + fi + fi +]) + +AC_DEFUN([AM_PYTHON3_MODULE],[ + if test x"$PYTHON3" = x; then + if test -n "$2"; then + AC_MSG_ERROR([cannot look for $1 module: Python 3 not found]) + else + AC_MSG_NOTICE([cannot look for $1 module: Python 3 not found]) + eval AS_TR_CPP(HAVE_PY3MOD_$1)=no + fi + else + AC_MSG_CHECKING($(basename $PYTHON3) module: $1) + $PYTHON3 -c "import $1" 2>/dev/null + if test $? -eq 0; then + AC_MSG_RESULT(yes) + eval AS_TR_CPP(HAVE_PY3MOD_$1)=yes + else + AC_MSG_RESULT(no) + eval AS_TR_CPP(HAVE_PY3MOD_$1)=no + # + if test -n "$2" + then + AC_MSG_ERROR(failed to find required module $1) + exit 1 + fi + fi + fi +]) + +dnl SYNOPSIS +dnl +dnl SSS_CHECK_PYTEST(python_interpreter, have_suffix) +dnl +dnl DESCRIPTION +dnl +dnl Checks for pytest +AC_DEFUN([SSS_CHECK_PYTEST],[ + if test x"$1" = x; then + if test -n "$2"; then + AC_MSG_ERROR([cannot look for pytest: $(basename $1) not found]) + else + AC_MSG_NOTICE([cannot look for pytest module: $(basename $1) not found]) + eval AS_TR_CPP(HAVE_$2)=no + fi + else + AC_MSG_CHECKING($(basename $1) pytest) + $1 -m pytest --version 2>/dev/null + if test $? -eq 0; then + AC_MSG_RESULT(yes) + eval AS_TR_CPP(HAVE_$2)=yes + else + AC_MSG_RESULT(no) + eval AS_TR_CPP(HAVE_$2)=no + fi + fi +]) |