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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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133 lines
4.1 KiB
Plaintext
133 lines
4.1 KiB
Plaintext
## 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], [],, [$4
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])dnl
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fi
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])
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dnl a macro to check for ability to create python extensions
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dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
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dnl function also defines PYTHON_INCLUDES
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AC_DEFUN([AM_CHECK_PYTHON_HEADERS],
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[AC_REQUIRE([AM_PATH_PYTHON])
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AC_MSG_CHECKING(for headers required to compile python extensions)
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dnl deduce PYTHON_INCLUDES
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py_prefix=`$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 $PYTHON-config --help 1>/dev/null 2>/dev/null; then
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PYTHON_INCLUDES=`$PYTHON-config --includes 2>/dev/null`
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if $PYTHON-config --abiflags 1>/dev/null 2>/dev/null; then
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PYTHON_ABI_FLAGS=`$PYTHON-config --abiflags 2>/dev/null`
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else
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PYTHON_ABI_FLAGS=
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fi
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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${PYTHON_VERSION}"
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fi
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fi
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AC_SUBST(PYTHON_INCLUDES)
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dnl check if the headers exist:
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save_CPPFLAGS="$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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$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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dnl a macro to check for ability to embed python
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dnl AM_CHECK_PYTHON_LIBS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
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dnl function also defines PYTHON_LIBS
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AC_DEFUN([AM_CHECK_PYTHON_LIBS],
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[AC_REQUIRE([AM_CHECK_PYTHON_HEADERS])
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AC_MSG_CHECKING(for libraries required to embed python)
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dnl deduce PYTHON_LIBS
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if $PYTHON-config --help 1>/dev/null 2>/dev/null; then
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PYTHON_LIBS=`$PYTHON-config --ldflags 2>/dev/null`
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PYTHON_LIB=`$PYTHON -c "import distutils.sysconfig as s; print(s.get_python_lib(standard_lib=1))"`
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if echo "$host_os" | grep darwin >/dev/null 2>&1; then
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dnl OSX is a pain. Python as shipped by apple installs libpython in /usr/lib
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dnl so we hardcode that. Other systems can use --with-libpython-dir to
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dnl overrid this.
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PYTHON_LIB_LOC=/usr/lib
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else
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PYTHON_LIB_LOC=$PYTHON_LIB/config
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# default to prefix/lib for distros that don't have a link in
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# .../pythonX.Y/config/
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if test ! -e $PYTHON_LIB_LOC/libpython${PYTHON_VERSION}${PYTHON_ABI_FLAGS}.so; then
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if test -e ${py_prefix}/lib64/libpython${PYTHON_VERSION}${PYTHON_ABI_FLAGS}.so; then
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PYTHON_LIB_LOC=${py_prefix}/lib64
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else
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PYTHON_LIB_LOC=${py_prefix}/lib
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fi
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fi
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fi
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else
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PYTHON_LIBS="-L${py_prefix}/lib -lpython${PYTHON_VERSION}"
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PYTHON_LIB_LOC="${py_prefix}/lib"
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fi
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AC_ARG_WITH([libpython-dir],
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AS_HELP_STRING([--with-libpython-dir], [the directory containing libpython${PYTHON_VERSION}]),
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[
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PYTHON_LIB_LOC=`echo "$withval" | sed -e 's/\/$//g'`
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]
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)
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if echo "$host_os" | grep darwin >/dev/null 2>&1; then
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dnl workaround libtool brokenness under OSX
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PYTHON_LIB_SUFFIX=\\\"dylib\\\"
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else
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PYTHON_LIB_SUFFIX=G_MODULE_SUFFIX
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fi
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AC_SUBST(PYTHON_LIBS)
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AC_SUBST(PYTHON_LIB_LOC)
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AC_SUBST(PYTHON_ABI_FLAGS)
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AC_SUBST(PYTHON_LIB_SUFFIX)
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dnl check if the headers exist:
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save_LIBS="$LIBS"
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LIBS="$LIBS $PYTHON_LIBS"
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AC_TRY_LINK_FUNC(Py_Initialize, dnl
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[LIBS="$save_LIBS"; AC_MSG_RESULT(yes); $1], dnl
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[LIBS="$save_LIBS"; AC_MSG_RESULT(no); $2])
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])
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