# Configure paths for GTK+# Owen Taylor     97-11-3dnl AM_PATH_GTK([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])dnl Test for GTK, and define GTK_CFLAGS and GTK_LIBSdnlAC_DEFUN(AM_PATH_GTK,[dnl dnl Get the cflags and libraries from the gtk-config scriptdnlAC_ARG_WITH(gtk-prefix,[  --with-gtk-prefix=PFX   Prefix where GTK is installed (optional)],            gtk_config_prefix="$withval", gtk_config_prefix="")AC_ARG_WITH(gtk-exec-prefix,[  --with-gtk-exec-prefix=PFX Exec prefix where GTK is installed (optional)],            gtk_config_exec_prefix="$withval", gtk_config_exec_prefix="")AC_ARG_ENABLE(gtktest, [  --disable-gtktest       Do not try to compile and run a test GTK program],		    , enable_gtktest=yes)  for module in . $4  do      case "$module" in         gthread)              gtk_config_args="$gtk_config_args gthread"         ;;      esac  done  if test x$gtk_config_exec_prefix != x ; then     gtk_config_args="$gtk_config_args --exec-prefix=$gtk_config_exec_prefix"     if test x${GTK_CONFIG+set} != xset ; then        GTK_CONFIG=$gtk_config_exec_prefix/bin/gtk-config     fi  fi  if test x$gtk_config_prefix != x ; then     gtk_config_args="$gtk_config_args --prefix=$gtk_config_prefix"     if test x${GTK_CONFIG+set} != xset ; then        GTK_CONFIG=$gtk_config_prefix/bin/gtk-config     fi  fi  AC_PATH_PROG(GTK_CONFIG, gtk-config, no)  min_gtk_version=ifelse([$1], ,0.99.7,$1)  AC_MSG_CHECKING(for GTK - version >= $min_gtk_version)  no_gtk=""  if test "$GTK_CONFIG" = "no" ; then    no_gtk=yes  else    GTK_CFLAGS=`$GTK_CONFIG $gtk_config_args --cflags`    GTK_LIBS=`$GTK_CONFIG $gtk_config_args --libs`    gtk_config_major_version=`$GTK_CONFIG $gtk_config_args --version | \           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`    gtk_config_minor_version=`$GTK_CONFIG $gtk_config_args --version | \           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`    gtk_config_micro_version=`$GTK_CONFIG $gtk_config_args --version | \           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`    if test "x$enable_gtktest" = "xyes" ; then      ac_save_CFLAGS="$CFLAGS"      ac_save_LIBS="$LIBS"      CFLAGS="$CFLAGS $GTK_CFLAGS"      LIBS="$GTK_LIBS $LIBS"dnldnl Now check if the installed GTK is sufficiently new. (Also sanitydnl checks the results of gtk-config to some extentdnl      rm -f conf.gtktest      AC_TRY_RUN([#include <gtk/gtk.h>#include <stdio.h>#include <stdlib.h>int main (){  int major, minor, micro;  char *tmp_version;  system ("touch conf.gtktest");  /* HP/UX 9 (%@#!) writes to sscanf strings */  tmp_version = g_strdup("$min_gtk_version");  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {     printf("%s, bad version string\n", "$min_gtk_version");     exit(1);   }  if ((gtk_major_version != $gtk_config_major_version) ||      (gtk_minor_version != $gtk_config_minor_version) ||      (gtk_micro_version != $gtk_config_micro_version))    {      printf("\n*** 'gtk-config --version' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n",              $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,             gtk_major_version, gtk_minor_version, gtk_micro_version);      printf ("*** was found! If gtk-config was correct, then it is best\n");      printf ("*** to remove the old version of GTK+. 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 gtk-config was wrong, set the environment variable GTK_CONFIG\n");      printf("*** to point to the correct copy of gtk-config, and remove the file config.cache\n");      printf("*** before re-running configure\n");    } #if defined (GTK_MAJOR_VERSION) && defined (GTK_MINOR_VERSION) && defined (GTK_MICRO_VERSION)  else if ((gtk_major_version != GTK_MAJOR_VERSION) ||	   (gtk_minor_version != GTK_MINOR_VERSION) ||           (gtk_micro_version != GTK_MICRO_VERSION))    {      printf("*** GTK+ header files (version %d.%d.%d) do not match\n",	     GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);      printf("*** library (version %d.%d.%d)\n",	     gtk_major_version, gtk_minor_version, gtk_micro_version);    }#endif /* defined (GTK_MAJOR_VERSION) ... */  else    {      if ((gtk_major_version > major) ||        ((gtk_major_version == major) && (gtk_minor_version > minor)) ||        ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))      {        return 0;       }     else      {        printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",               gtk_major_version, gtk_minor_version, gtk_micro_version);        printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",	       major, minor, micro);        printf("*** GTK+ 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 gtk-config shell script is\n");        printf("*** being found. The easiest way to fix this is to remove the old version\n");        printf("*** of GTK+, but you can also set the GTK_CONFIG environment to point to the\n");        printf("*** correct copy of gtk-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_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])       CFLAGS="$ac_save_CFLAGS"       LIBS="$ac_save_LIBS"     fi  fi  if test "x$no_gtk" = x ; then     AC_MSG_RESULT(yes)     ifelse([$2], , :, [$2])       else     AC_MSG_RESULT(no)     if test "$GTK_CONFIG" = "no" ; then       echo "*** The gtk-config script installed by GTK could not be found"       echo "*** If GTK was installed in PREFIX, make sure PREFIX/bin is in"       echo "*** your path, or set the GTK_CONFIG environment variable to the"       echo "*** full path to gtk-config."     else       if test -f conf.gtktest ; then        :       else          echo "*** Could not run GTK test program, checking why..."          CFLAGS="$CFLAGS $GTK_CFLAGS"          LIBS="$LIBS $GTK_LIBS"          AC_TRY_LINK([#include <gtk/gtk.h>#include <stdio.h>],      [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],        [ echo "*** The test program compiled, but did not run. This usually means"          echo "*** that the run-time linker is not finding GTK or finding the wrong"          echo "*** version of GTK. If it is not finding GTK, 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 GTK was incorrectly installed"          echo "*** or that you have moved GTK since it was installed. In the latter case, you"          echo "*** may want to edit the gtk-config script: $GTK_CONFIG" ])          CFLAGS="$ac_save_CFLAGS"          LIBS="$ac_save_LIBS"       fi     fi     GTK_CFLAGS=""     GTK_LIBS=""     ifelse([$3], , :, [$3])  fi  AC_SUBST(GTK_CFLAGS)  AC_SUBST(GTK_LIBS)  rm -f conf.gtktest])