diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 new file mode 100644 index 0000000..73d421f --- /dev/null +++ b/acinclude.m4 @@ -0,0 +1,134 @@ +## this one is commonly used with AM_PATH_PYTHONDIR ... +dnl AM_CHECK_PYMOD(MODNAME [,SYMBOL [,ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]]]) +dnl Check if a module containing a given symbol is visible to python. +AC_DEFUN([AM_CHECK_PYMOD], +[AC_REQUIRE([AM_PATH_PYTHON]) +py_mod_var=`echo $1['_']$2 | sed 'y%./+-%__p_%'` +AC_MSG_CHECKING(for ifelse([$2],[],,[$2 in ])python module $1) +AC_CACHE_VAL(py_cv_mod_$py_mod_var, [ +ifelse([$2],[], [prog=" +import sys +try: + import $1 +except ImportError: + sys.exit(1) +except: + sys.exit(0) +sys.exit(0)"], [prog=" +import $1 +$1.$2"]) +if $PYTHON -c "$prog" 1>&AC_FD_CC 2>&AC_FD_CC + then + eval "py_cv_mod_$py_mod_var=yes" + else + eval "py_cv_mod_$py_mod_var=no" + fi +]) +py_val=`eval "echo \`echo '$py_cv_mod_'$py_mod_var\`"` +if test "x$py_val" != xno; then + AC_MSG_RESULT(yes) + ifelse([$3], [],, [$3 +])dnl +else + AC_MSG_RESULT(no) + ifelse([$4], [],, [$4 +])dnl +fi +]) + +dnl a macro to check for ability to create python extensions +dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE]) +dnl function also defines PYTHON_INCLUDES +AC_DEFUN([AM_CHECK_PYTHON_HEADERS], +[AC_REQUIRE([AM_PATH_PYTHON]) +AC_MSG_CHECKING(for headers required to compile python extensions) +dnl deduce PYTHON_INCLUDES +py_prefix=`$PYTHON -c "import sys; print sys.prefix"` +py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"` +if $PYTHON-config --help 2>/dev/null; then + PYTHON_INCLUDES=`$PYTHON-config --includes 2>/dev/null` +else + PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}" + if test "$py_prefix" != "$py_exec_prefix"; then + PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}" + fi +fi +AC_SUBST(PYTHON_INCLUDES) +dnl check if the headers exist: +save_CPPFLAGS="$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 a macro to check for ability to embed python +dnl AM_CHECK_PYTHON_LIBS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE]) +dnl function also defines PYTHON_LIBS +AC_DEFUN([AM_CHECK_PYTHON_LIBS], +[AC_REQUIRE([AM_CHECK_PYTHON_HEADERS]) +AC_MSG_CHECKING(for libraries required to embed python) +dnl deduce PYTHON_LIBS +py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"` +PYTHON_LIBS="-L${py_prefix}/lib -lpython${PYTHON_VERSION}" +PYTHON_LIB_LOC="${py_prefix}/lib" +AC_SUBST(PYTHON_LIBS) +AC_SUBST(PYTHON_LIB_LOC) +dnl check if the headers exist: +save_LIBS="$LIBS" +LIBS="$LIBS $PYTHON_LIBS" +AC_TRY_LINK_FUNC(Py_Initialize, dnl + [LIBS="$save_LIBS"; AC_MSG_RESULT(yes); $1], dnl + [LIBS="$save_LIBS"; AC_MSG_RESULT(no); $2]) + +]) + + +dnl as-ac-expand.m4 0.2.0 +dnl autostars m4 macro for expanding directories using configure's prefix +dnl thomas@apestaart.org +dnl + +dnl AS_AC_EXPAND(VAR, CONFIGURE_VAR) +dnl example +dnl AS_AC_EXPAND(SYSCONFDIR, $sysconfdir) +dnl will set SYSCONFDIR to /usr/local/etc if prefix=/usr/local + +AC_DEFUN([AS_AC_EXPAND], +[ + EXP_VAR=[$1] + FROM_VAR=[$2] + + dnl first expand prefix and exec_prefix if necessary + prefix_save=$prefix + exec_prefix_save=$exec_prefix + + dnl if no prefix given, then use /usr/local, the default prefix + if test "x$prefix" = "xNONE"; then + prefix="$ac_default_prefix" + fi + dnl if no exec_prefix given, then use prefix + if test "x$exec_prefix" = "xNONE"; then + exec_prefix=$prefix + fi + + full_var="$FROM_VAR" + dnl loop until it doesn't change anymore + while true; do + new_full_var="`eval echo $full_var`" + if test "x$new_full_var" = "x$full_var"; then break; fi + full_var=$new_full_var + done + + dnl clean up + full_var=$new_full_var + AC_SUBST([$1], "$full_var") + + dnl restore prefix and exec_prefix + prefix=$prefix_save + exec_prefix=$exec_prefix_save +]) + |