# This is an example arts .m4 adapted and scrubbed by thomasvs # Configure paths for ARTS # Philip Stadermann 2001-06-21 # stolen from esd.m4 dnl AM_PATH_ARTS([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) dnl Test for ARTS, and define ARTS_CXXFLAGS and ARTS_LIBS dnl AC_DEFUN([AM_PATH_ARTS], [dnl dnl Get the cflags and libraries from the artsc-config script dnl AC_ARG_WITH(arts-prefix,[ --with-arts-prefix=PFX Prefix where ARTS is installed (optional)], arts_prefix="$withval", arts_prefix="") AC_ARG_WITH(arts-exec-prefix,[ --with-arts-exec-prefix=PFX Exec prefix where ARTS is installed (optional)], arts_exec_prefix="$withval", arts_exec_prefix="") AC_ARG_ENABLE(artstest, [ --disable-artstest Do not try to compile and run a test ARTS program], , enable_artstest=yes) if test x$arts_exec_prefix != x ; then arts_args="$arts_args --exec-prefix=$arts_exec_prefix" if test x${ARTS_CONFIG+set} != xset ; then ARTS_CONFIG=$arts_exec_prefix/bin/artsc-config fi fi if test x$arts_prefix != x ; then arts_args="$arts_args --prefix=$arts_prefix" if test x${ARTS_CONFIG+set} != xset ; then ARTS_CONFIG=$arts_prefix/bin/artsc-config fi fi AC_PATH_PROG(ARTS_CONFIG, artsc-config, no) min_arts_version=ifelse([$1], ,0.9.5,$1) AC_MSG_CHECKING(for ARTS artsc - version >= $min_arts_version) no_arts="" if test "$ARTS_CONFIG" = "no" ; then no_arts=yes else # FIXME : thomas added this sed to get arts path instead of artsc ARTS_CXXFLAGS=`$ARTS_CONFIG $artsconf_args --cflags | sed 's/artsc$/arts/'` ARTS_LIBS=`$ARTS_CONFIG $artsconf_args --libs | sed 's/artsc$/arts/'` arts_major_version=`$ARTS_CONFIG $arts_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` arts_minor_version=`$ARTS_CONFIG $arts_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` arts_micro_version=`$ARTS_CONFIG $arts_config_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` if test "x$enable_artstest" = "xyes" ; then dnl ac_save_CXXFLAGS="$CXXFLAGS" dnl ac_save_LIBS="$LIBS" dnl CFLAGS="$CFLAGS $ARTS_CXXFLAGS" dnl LIBS="$LIBS $ARTS_LIBS" dnl dnl Now check if the installed ARTS is sufficiently new. (Also sanity dnl checks the results of artsc-config to some extent) dnl dnl a*s: to successfully compile the C++ test app, we need to dnl first make sure we're going to compile it as C++ (with AC_LANG_PUSH), dnl then add the CFLAGS and CLIBS of arts which we just discovered to the dnl C++ compilation and linking flags. dnl We also need to clean up after the test; this means using AC_LANG_POP dnl and restoring the CPPFLAGS and LDFLAGS from the saved values we take dnl here. dnl ask nicely for C++ compilation AC_LANG_PUSH(C++) dnl save compilation and link flags and make our own ac_save_CPPFLAGS="$CPPFLAGS" ac_save_LDFLAGS="$LDFLAGS" AC_SUBST(CPPFLAGS,"$CPPFLAGS $ARTS_CXXFLAGS") AC_SUBST(LDFLAGS,"$LDFLAGS $ARTS_CLIBS") rm -f conf.artstest AC_TRY_RUN([ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <artsflow.h> char* my_strdup (char *str) { char *new_str; if (str) { // thomas: the original test did not have the typecast new_str = (char *) malloc ((strlen (str) + 1) * sizeof(char)); strcpy (new_str, str); } else new_str = NULL; return new_str; } int main () { int major, minor, micro; char *tmp_version; system ("touch conf.artstest"); /* HP/UX 9 (%@#!) writes to sscanf strings */ tmp_version = my_strdup("$min_arts_version"); if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { printf("%s, bad version string\n", "$min_arts_version"); exit(1); } if (($arts_major_version > major) || (($arts_major_version == major) && ($arts_minor_version > minor)) || (($arts_major_version == major) && ($arts_minor_version == minor) && ($arts_micro_version >= micro))) { return 0; } else { printf("\n*** 'artsc-config --version' returned %d.%d.%d, but the minimum version\n", $arts_major_version, $arts_minor_version, $arts_micro_version); printf("*** of ARTS required is %d.%d.%d. If artsc-config is correct, then it is\n", major, minor, micro); printf("*** best to upgrade to the required version.\n"); printf("*** If artsc-config was wrong, set the environment variable ARTS_CONFIG\n"); printf("*** to point to the correct copy of artsc-config, and remove the file\n"); printf("*** config.cache before re-running configure\n"); return 1; } } ],, no_arts=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) dnl CFLAGS="$ac_save_CFLAGS" dnl LIBS="$ac_save_LIBS" dnl a*s this is were we clean up after the test AC_LANG_POP(C++) CXXFLAGS="$ac_save_CXXFLAGS" LDFLAGS="$ac_save_LDFLAGS" dnl a*s we are sure that these are right, so we make them active AC_SUBST(CXXFLAGS,"$CXXFLAGS") AC_SUBST(LDFLAGS,"$LDFLAGS") fi fi if test "x$no_arts" = x ; then AC_MSG_RESULT(yes) ifelse([$2], , :, [$2]) else AC_MSG_RESULT(no) if test "$ARTS_CONFIG" = "no" ; then echo "*** The artsc-config script installed by ARTS could not be found" echo "*** If ARTS was installed in PREFIX, make sure PREFIX/bin is in" echo "*** your path, or set the ARTS_CONFIG environment variable to the" echo "*** full path to artsc-config." else if test -f conf.artstest ; then : else echo "*** Could not run ARTS test program, checking why..." CFLAGS="$CFLAGS $ARTS_CXXFLAGS" LIBS="$LIBS $ARTS_LIBS" AC_TRY_LINK([ #include <stdio.h> #include <artsflow.h> ], [ return 0; ], [ echo "*** The test program compiled, but did not run. This usually means" echo "*** that the run-time linker is not finding ARTS or finding the wrong" echo "*** version of ARTS. If it is not finding ARTS, 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 the" echo "*** exact error that occured. This usually means ARTS was incorrectly installed" echo "*** or that you have moved ARTS since it was installed. In the latter case, you" echo "*** may want to edit the artsc-config script: $ARTS_CONFIG" ]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi fi ARTS_CXXFLAGS="" ARTS_LIBS="" ifelse([$3], , :, [$3]) fi AC_SUBST(ARTS_CXXFLAGS) AC_SUBST(ARTS_LIBS) rm -f conf.artstest ]) dnl release C++ question