dnl as-ac-expand.m4 0.1.0 dnl autostars m4 macro for expanding directories using configure's prefix dnl thomas@apestaart.org dnl AS_AC_EXPAND(VAR, CONFIGURE_VAR) dnl 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 ]) dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not) dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page dnl also defines GSTUFF_PKG_ERRORS on error AC_DEFUN([PKG_CHECK_MODULES], [ succeeded=no if test -z "$PKG_CONFIG"; then AC_PATH_PROG(PKG_CONFIG, pkg-config, no) fi if test "$PKG_CONFIG" = "no" ; then echo "*** The pkg-config script could not be found. Make sure it is" echo "*** in your path, or set the PKG_CONFIG environment variable" echo "*** to the full path to pkg-config." echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config." else PKG_CONFIG_MIN_VERSION=0.9.0 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then AC_MSG_CHECKING(for $2) if $PKG_CONFIG --exists "$2" ; then AC_MSG_RESULT(yes) succeeded=yes AC_MSG_CHECKING($1_CFLAGS) $1_CFLAGS=`$PKG_CONFIG --cflags "$2"` AC_MSG_RESULT($$1_CFLAGS) AC_MSG_CHECKING($1_LIBS) $1_LIBS=`$PKG_CONFIG --libs "$2"` AC_MSG_RESULT($$1_LIBS) else $1_CFLAGS="" $1_LIBS="" ## If we have a custom action on failure, don't print errors, but ## do set a variable so people can do so. $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"` ifelse([$4], ,echo $$1_PKG_ERRORS,) fi AC_SUBST($1_CFLAGS) AC_SUBST($1_LIBS) else echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer." echo "*** See http://www.freedesktop.org/software/pkgconfig" fi fi if test $succeeded = yes; then ifelse([$3], , :, [$3]) else ifelse([$4], , AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.]), [$4]) fi ]) dnl a macro to check for ability to create python extensions dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE]) dnl function also defines PYTHON_INCLUDES AC_DEFUN([AM_CHECK_PYTHON_HEADERS], [AC_REQUIRE([AM_PATH_PYTHON]) AC_MSG_CHECKING(for headers required to compile python extensions) dnl deduce PYTHON_INCLUDES py_prefix=`$PYTHON -c "import sys; print sys.prefix"` py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"` PYTHON_INCLUDES="-I${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 AC_SUBST(PYTHON_INCLUDES) dnl check if the headers exist: save_CPPFLAGS="$CPPFLAGS" CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES" AC_TRY_CPP([#include ],dnl [AC_MSG_RESULT(found) $1],dnl [AC_MSG_RESULT(not found) $2]) CPPFLAGS="$save_CPPFLAGS" ]) dnl AM_PATH_CHECK([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) dnl Test for check, and define CHECK_CFLAGS and CHECK_LIBS dnl AC_DEFUN([AM_PATH_CHECK], [ AC_ARG_WITH([check], [ --with-check=PATH prefix where check is installed [default=auto]]) min_check_version=ifelse([$1], ,0.8.2,$1) AC_MSG_CHECKING(for check - version >= $min_check_version) if test x$with_check = xno; then AC_MSG_RESULT(disabled) ifelse([$3], , AC_MSG_ERROR([disabling check is not supported]), [$3]) else if test "x$with_check" != x; then CHECK_CFLAGS="-I$with_check/include" CHECK_LIBS="-L$with_check/lib -lcheck" else CHECK_CFLAGS="" CHECK_LIBS="-lcheck" fi ac_save_CFLAGS="$CFLAGS" ac_save_LIBS="$LIBS" CFLAGS="$CFLAGS $CHECK_CFLAGS" LIBS="$CHECK_LIBS $LIBS" rm -f conf.check-test AC_TRY_RUN([ #include #include #include int main () { int major, minor, micro; char *tmp_version; system ("touch conf.check-test"); /* HP/UX 9 (%@#!) writes to sscanf strings */ tmp_version = strdup("$min_check_version"); if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { printf("%s, bad version string\n", "$min_check_version"); return 1; } if ((CHECK_MAJOR_VERSION != check_major_version) || (CHECK_MINOR_VERSION != check_minor_version) || (CHECK_MICRO_VERSION != check_micro_version)) { printf("\n*** The check header file (version %d.%d.%d) does not match\n", CHECK_MAJOR_VERSION, CHECK_MINOR_VERSION, CHECK_MICRO_VERSION); printf("*** the check library (version %d.%d.%d).\n", check_major_version, check_minor_version, check_micro_version); return 1; } if ((check_major_version > major) || ((check_major_version == major) && (check_minor_version > minor)) || ((check_major_version == major) && (check_minor_version == minor) && (check_micro_version >= micro))) { return 0; } else { printf("\n*** An old version of check (%d.%d.%d) was found.\n", check_major_version, check_minor_version, check_micro_version); printf("*** You need a version of check being at least %d.%d.%d.\n", major, minor, micro); printf("***\n"); printf("*** If you have already installed a sufficiently new version, this error\n"); printf("*** probably means that the wrong copy of the check library and header\n"); printf("*** file is being found. Rerun configure with the --with-check=PATH option\n"); printf("*** to specify the prefix where the correct version was installed.\n"); } return 1; } ],, no_check=yes, [echo $ac_n "cross compiling; assumed OK... $ac_c"]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" if test "x$no_check" = x ; then AC_MSG_RESULT(yes) ifelse([$2], , :, [$2]) else AC_MSG_RESULT(no) if test -f conf.check-test ; then : else echo "*** Could not run check test program, checking why..." CFLAGS="$CFLAGS $CHECK_CFLAGS" LIBS="$CHECK_LIBS $LIBS" AC_TRY_LINK([ #include #include #include ], , [ echo "*** The test program compiled, but did not run. This usually means" echo "*** that the run-time linker is not finding check. You'll need to set your" echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" echo "*** to the installed location Also, make sure you have run ldconfig if that" echo "*** is required on your system" echo "***" echo "*** If you have an old version installed, it is best to remove it, although" echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], [ echo "*** The test program failed to compile or link. See the file config.log for" echo "*** the exact error that occured." ]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi CHECK_CFLAGS="" CHECK_LIBS="" rm -f conf.check-test ifelse([$3], , AC_MSG_ERROR([check not found]), [$3]) fi AC_SUBST(CHECK_CFLAGS) AC_SUBST(CHECK_LIBS) rm -f conf.check-test fi ])