120 lines
3.6 KiB
Plaintext
120 lines
3.6 KiB
Plaintext
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dnl This file is based on acinclude.m4 from gnome-python-2.20.0.
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dnl this one is commonly used with AM_PATH_PYTHONDIR ...
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dnl AM_CHECK_PYMOD(MODNAME [,SYMBOL [,ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]]])
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dnl Check if a module containing a given symbol is visible to python.
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AC_DEFUN([AM_CHECK_PYMOD],
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[AC_REQUIRE([AM_PATH_PYTHON])
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py_mod_var=`echo $1['_']$2 | sed 'y%./+-%__p_%'`
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AC_MSG_CHECKING(for ifelse([$2],[],,[$2 in ])python module $1)
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AC_CACHE_VAL(py_cv_mod_$py_mod_var, [
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ifelse([$2],[], [prog="
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import sys
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try:
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import $1
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except ImportError:
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sys.exit(1)
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except:
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sys.exit(0)
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sys.exit(0)"], [prog="
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import $1
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$1.$2"])
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if $PYTHON -c "$prog" 1>&AC_FD_CC 2>&AC_FD_CC
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then
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eval "py_cv_mod_$py_mod_var=yes"
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else
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eval "py_cv_mod_$py_mod_var=no"
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fi
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])
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py_val=`eval "echo \`echo '$py_cv_mod_'$py_mod_var\`"`
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if test "x$py_val" != xno; then
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AC_MSG_RESULT(yes)
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ifelse([$3], [],, [$3
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])dnl
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else
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AC_MSG_RESULT(no)
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ifelse([$4], [],, [$4
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])dnl
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fi
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])
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dnl a macro to check for ability to create python extensions
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dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
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dnl function also defines PYTHON_INCLUDES
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AC_DEFUN([AM_CHECK_PYTHON_HEADERS],
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[AC_REQUIRE([AM_PATH_PYTHON])
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AC_SUBST(PYTHON_INCLUDES)
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AC_SUBST(PYTHON_LIBS)
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AC_SUBST(PYTHON_EMBED_LIBS)
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AC_SUBST(PYTHON_LDFLAGS)
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AC_MSG_CHECKING(for headers required to compile python extensions)
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dnl deduce PYTHON_INCLUDES
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py_prefix=`$PYTHON -c "import sys; print sys.prefix"`
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py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"`
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if test -x "$PYTHON-config"; then
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PYTHON_INCLUDES=`$PYTHON-config --includes 2>/dev/null`
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else
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PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}"
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if test "$py_prefix" != "$py_exec_prefix"; then
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PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}"
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fi
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fi
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dnl check if the headers exist:
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save_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
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AC_TRY_CPP([#include <Python.h>],dnl
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[AC_MSG_RESULT(found)
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AC_MSG_CHECKING(for python libraries)
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dnl Check whether python was compiled as shared library
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link_pymodules_libpython=false;
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if egrep "^#define Py_ENABLE_SHARED" "${py_exec_prefix}/include/python${PYTHON_VERSION}/pyconfig.h" > /dev/null ; then
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if test x`uname -s` != xDarwin; then
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PYTHON_LDFLAGS="-no-undefined"
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link_pymodules_libpython=true;
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fi
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fi
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dnl use distutils to get some python configuration variables..
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PYTHON_LIB_DEPS=`$PYTHON -c "from distutils import sysconfig; print sysconfig.get_config_var('SYSLIBS'), sysconfig.get_config_var('SHLIBS')"`
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PYTHON_LIBDIR=`$PYTHON -c "from distutils import sysconfig; print sysconfig.get_config_var('LIBDIR')"`
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PYTHON_LIBPL=`$PYTHON -c "from distutils import sysconfig; print sysconfig.get_config_var('LIBPL')"`
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save_LIBS="$LIBS"
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PYTHON_EMBED_LIBS="-L${PYTHON_LIBDIR} ${PYTHON_LIB_DEPS} -lpython${PYTHON_VERSION}"
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LIBS="$LIBS $PYTHON_EMBED_LIBS"
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AC_TRY_LINK_FUNC(Py_Initialize, dnl
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[
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LIBS="$save_LIBS";
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if $link_pymodules_libpython; then
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PYTHON_LIBS="$PYTHON_EMBED_LIBS";
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fi
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AC_MSG_RESULT([$PYTHON_EMBED_LIBS]);
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$1], dnl
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[
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PYTHON_EMBED_LIBS="-L${PYTHON_LIBPL} ${PYTHON_LIB_DEPS} -lpython${PYTHON_VERSION}"
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LIBS="$save_LIBS $PYTHON_EMBED_LIBS";
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AC_TRY_LINK_FUNC(Py_Initialize, dnl
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[
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LIBS="$save_LIBS";
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if $link_pymodules_libpython; then
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PYTHON_LIBS="$PYTHON_EMBED_LIBS";
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fi
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AC_MSG_RESULT([$PYTHON_EMBED_LIBS]);
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$1], dnl
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AC_MSG_RESULT(not found); $2)
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])
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$1],dnl
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[AC_MSG_RESULT(not found)
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$2])
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CPPFLAGS="$save_CPPFLAGS"
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])
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