dnl Macros that test for specific features. dnl This file is part of the Autoconf packaging for Ethereal. dnl Copyright (C) 1998-2000 by Gerald Combs. dnl dnl $Id: acinclude.m4,v 1.6 2000/08/25 06:25:20 guy Exp $ dnl # Configure paths for GLIB # Owen Taylor 97-11-3 dnl AM_PATH_GLIB([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]]) dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if "gmodule" or dnl gthread is specified in MODULES, pass to glib-config dnl AC_DEFUN(AM_PATH_GLIB, [dnl dnl Get the cflags and libraries from the glib-config script dnl AC_ARG_WITH(glib-prefix,[ --with-glib-prefix=PFX Prefix where GLIB is installed (optional)], glib_config_prefix="$withval", glib_config_prefix="") AC_ARG_WITH(glib-exec-prefix,[ --with-glib-exec-prefix=PFX Exec prefix where GLIB is installed (optional)], glib_config_exec_prefix="$withval", glib_config_exec_prefix="") AC_ARG_ENABLE(glibtest, [ --disable-glibtest Do not try to compile and run a test GLIB program], , enable_glibtest=yes) if test x$glib_config_exec_prefix != x ; then glib_config_args="$glib_config_args --exec-prefix=$glib_config_exec_prefix" if test x${GLIB_CONFIG+set} != xset ; then GLIB_CONFIG=$glib_config_exec_prefix/bin/glib-config fi fi if test x$glib_config_prefix != x ; then glib_config_args="$glib_config_args --prefix=$glib_config_prefix" if test x${GLIB_CONFIG+set} != xset ; then GLIB_CONFIG=$glib_config_prefix/bin/glib-config fi fi for module in . $4 do case "$module" in gmodule) glib_config_args="$glib_config_args gmodule" ;; gthread) glib_config_args="$glib_config_args gthread" ;; esac done AC_PATH_PROG(GLIB_CONFIG, glib-config, no) min_glib_version=ifelse([$1], ,0.99.7,$1) AC_MSG_CHECKING(for GLIB - version >= $min_glib_version) no_glib="" if test "$GLIB_CONFIG" = "no" ; then no_glib=yes else GLIB_CFLAGS=`$GLIB_CONFIG $glib_config_args --cflags` GLIB_LIBS=`$GLIB_CONFIG $glib_config_args --libs` glib_config_major_version=`$GLIB_CONFIG $glib_config_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` glib_config_minor_version=`$GLIB_CONFIG $glib_config_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` glib_config_micro_version=`$GLIB_CONFIG $glib_config_args --version | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` if test "x$enable_glibtest" = "xyes" ; then ac_save_CFLAGS="$CFLAGS" ac_save_LIBS="$LIBS" CFLAGS="$CFLAGS $GLIB_CFLAGS" LIBS="$GLIB_LIBS $LIBS" dnl dnl Now check if the installed GLIB is sufficiently new. (Also sanity dnl checks the results of glib-config to some extent dnl rm -f conf.glibtest AC_TRY_RUN([ #include #include #include int main () { int major, minor, micro; char *tmp_version; system ("touch conf.glibtest"); /* HP/UX 9 (%@#!) writes to sscanf strings */ tmp_version = g_strdup("$min_glib_version"); if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { printf("%s, bad version string\n", "$min_glib_version"); exit(1); } if ((glib_major_version != $glib_config_major_version) || (glib_minor_version != $glib_config_minor_version) || (glib_micro_version != $glib_config_micro_version)) { printf("\n*** 'glib-config --version' returned %d.%d.%d, but GLIB (%d.%d.%d)\n", $glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version, glib_major_version, glib_minor_version, glib_micro_version); printf ("*** was found! If glib-config was correct, then it is best\n"); printf ("*** to remove the old version of GLIB. You may also be able to fix the error\n"); printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); printf("*** required on your system.\n"); printf("*** If glib-config was wrong, set the environment variable GLIB_CONFIG\n"); printf("*** to point to the correct copy of glib-config, and remove the file config.cache\n"); printf("*** before re-running configure\n"); } else if ((glib_major_version != GLIB_MAJOR_VERSION) || (glib_minor_version != GLIB_MINOR_VERSION) || (glib_micro_version != GLIB_MICRO_VERSION)) { printf("*** GLIB header files (version %d.%d.%d) do not match\n", GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION); printf("*** library (version %d.%d.%d)\n", glib_major_version, glib_minor_version, glib_micro_version); } else { if ((glib_major_version > major) || ((glib_major_version == major) && (glib_minor_version > minor)) || ((glib_major_version == major) && (glib_minor_version == minor) && (glib_micro_version >= micro))) { return 0; } else { printf("\n*** An old version of GLIB (%d.%d.%d) was found.\n", glib_major_version, glib_minor_version, glib_micro_version); printf("*** You need a version of GLIB newer than %d.%d.%d. The latest version of\n", major, minor, micro); printf("*** GLIB is always available from ftp://ftp.gtk.org.\n"); printf("***\n"); printf("*** If you have already installed a sufficiently new version, this error\n"); printf("*** probably means that the wrong copy of the glib-config shell script is\n"); printf("*** being found. The easiest way to fix this is to remove the old version\n"); printf("*** of GLIB, but you can also set the GLIB_CONFIG environment to point to the\n"); printf("*** correct copy of glib-config. (In this case, you will have to\n"); printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); printf("*** so that the correct libraries are found at run-time))\n"); } } return 1; } ],, no_glib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi fi if test "x$no_glib" = x ; then AC_MSG_RESULT(yes) ifelse([$2], , :, [$2]) else AC_MSG_RESULT(no) if test "$GLIB_CONFIG" = "no" ; then echo "*** The glib-config script installed by GLIB could not be found" echo "*** If GLIB was installed in PREFIX, make sure PREFIX/bin is in" echo "*** your path, or set the GLIB_CONFIG environment variable to the" echo "*** full path to glib-config." else if test -f conf.glibtest ; then : else echo "*** Could not run GLIB test program, checking why..." CFLAGS="$CFLAGS $GLIB_CFLAGS" LIBS="$LIBS $GLIB_LIBS" AC_TRY_LINK([ #include #include ], [ return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); ], [ echo "*** The test program compiled, but did not run. This usually means" echo "*** that the run-time linker is not finding GLIB or finding the wrong" echo "*** version of GLIB. If it is not finding GLIB, 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 "***" echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that" echo "*** came with the system with the command" echo "***" echo "*** rpm --erase --nodeps gtk gtk-devel" ], [ echo "*** The test program failed to compile or link. See the file config.log for the" echo "*** exact error that occured. This usually means GLIB was incorrectly installed" echo "*** or that you have moved GLIB since it was installed. In the latter case, you" echo "*** may want to edit the glib-config script: $GLIB_CONFIG" ]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi fi GLIB_CFLAGS="" GLIB_LIBS="" ifelse([$3], , :, [$3]) fi AC_SUBST(GLIB_CFLAGS) AC_SUBST(GLIB_LIBS) rm -f conf.glibtest ]) # # AC_WIRETAP_PCAP_CHECK # AC_DEFUN(AC_WIRETAP_PCAP_CHECK, [ # Evidently, some systems have pcap.h, etc. in */include/pcap AC_MSG_CHECKING(for extraneous pcap header directories) found_pcap_dir="" for pcap_dir in /usr/include/pcap /usr/local/include/pcap $prefix/include do if test -d $pcap_dir ; then CFLAGS="$CFLAGS -I$pcap_dir" CPPFLAGS="$CPPFLAGS -I$pcap_dir" found_pcap_dir=" $found_pcap_dir -I$pcap_dir" fi done if test "$found_pcap_dir" != "" ; then AC_MSG_RESULT(found --$found_pcap_dir added to CFLAGS) else AC_MSG_RESULT(not found) fi # Pcap header check AC_CHECK_HEADER(pcap.h) ]) # # AC_WIRETAP_ZLIB_CHECK # AC_DEFUN(AC_WIRETAP_ZLIB_CHECK, [ AC_CHECK_HEADER(zlib.h,,enable_zlib=no) dnl dnl Check for "gzgets()" in zlib, because we need it, but dnl some older versions of zlib don't have it. It appears dnl from the ChangeLog that any released version of zlib dnl with "gzgets()" should have the other routines we dnl depend on, such as "gzseek()", "gztell()", and "zError()". dnl AC_CHECK_LIB(z, gzgets,,enable_zlib=no) ])