Add a nice macro for freetype2 checks that works with both RPMS and

freetype2 built from source.

svn path=/trunk/; revision=1698

diff --git a/hack-macros/nautilus-macros.m4 b/hack-macros/nautilus-macros.m4
index 5c4e0f6..a7c680a 100644 (file)
--- a/hack-macros/nautilus-macros.m4
+++ b/hack-macros/nautilus-macros.m4
@@ -1,6 +1,8 @@
-dnl
+dnl ===========================================================================
+
 dnl NAUTILUS_VERSION_CANON(version)
 dnl                     1
+
 AC_DEFUN(NAUTILUS_VERSION_CANON, [`
 
        dnl Assumes that there are no more than 999 revisions at a level,
@@ -54,3 +56,169 @@ AC_DEFUN(NAUTILUS_VERSION_INSIST, [
                AC_ERROR($1 version [$ez_want_version] is required.)
        fi
 ])
+
+dnl NAUTILUS_PATH_FREETYPE2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for FreeType2, and define FREETYPE2_CFLAGS and FREETYPE2_LIBS
+dnl
+dnl Shamelessly cut-n-pasted from AM_PATH_LIBART
+dnl
+AC_DEFUN(NAUTILUS_PATH_FREETYPE2,
+[dnl 
+dnl Get the cflags and libraries from the freetype-config script
+dnl
+AC_ARG_WITH(freetype2-prefix,[  --with-freetype2-prefix=PFX   Prefix where FREETYPE2 is installed (optional)],
+            freetype2_prefix="$withval", freetype2_prefix="")
+AC_ARG_WITH(freetype2-exec-prefix,[  --with-freetype2-exec-prefix=PFX Exec prefix where FREETYPE2 is installed (optional)],
+            freetype2_exec_prefix="$withval", freetype2_exec_prefix="")
+AC_ARG_ENABLE(freetype2test, [  --disable-freetype2test       Do not try to compile and run a test FREETYPE2 program],
+                   , enable_freetype2test=yes)
+
+  if test x$freetype2_exec_prefix != x ; then
+     freetype2_args="$freetype2_args --exec-prefix=$freetype2_exec_prefix"
+     if test x${FREETYPE2_CONFIG+set} != xset ; then
+        FREETYPE2_CONFIG=$freetype2_exec_prefix/bin/freetype-config
+     fi
+  fi
+  if test x$freetype2_prefix != x ; then
+     freetype2_args="$freetype2_args --prefix=$freetype2_prefix"
+     if test x${FREETYPE2_CONFIG+set} != xset ; then
+        FREETYPE2_CONFIG=$freetype2_prefix/bin/freetype-config
+     fi
+  fi
+
+  AC_PATH_PROG(FREETYPE2_CONFIG, freetype-config, no)
+  min_freetype2_version=ifelse([$1], ,0.2.5,$1)
+  AC_MSG_CHECKING(for FREETYPE2 - version >= $min_freetype2_version)
+  no_freetype2=""
+  if test "$FREETYPE2_CONFIG" = "no" ; then
+    no_freetype2=yes
+  else
+    FREETYPE2_CFLAGS=`$FREETYPE2_CONFIG $freetype2conf_args --cflags`
+    FREETYPE2_LIBS=`$FREETYPE2_CONFIG $freetype2conf_args --libs`
+
+    freetype2_major_version=`$FREETYPE2_CONFIG $freetype2_args --version | \
+       sed 's/\([[0-9]]*\):\([[0-9]]*\):\([[0-9]]*\)/\1/'`
+    freetype2_minor_version=`$FREETYPE2_CONFIG $freetype2_args --version | \
+       sed 's/\([[0-9]]*\):\([[0-9]]*\):\([[0-9]]*\)/\2/'`
+    freetype2_micro_version=`$FREETYPE2_CONFIG $freetype2_config_args --version | \
+       sed 's/\([[0-9]]*\):\([[0-9]]*\):\([[0-9]]*\)/\3/'`
+
+    if test "x$enable_freetype2test" = "xyes" ; then
+      ac_save_CFLAGS="$CFLAGS"
+      ac_save_LIBS="$LIBS"
+      CFLAGS="$CFLAGS $FREETYPE2_CFLAGS"
+      LIBS="$LIBS $FREETYPE2_LIBS"
+dnl
+dnl Now check if the installed FREETYPE2 is sufficiently new. (Also sanity
+dnl checks the results of freetype-config to some extent
+dnl
+      rm -f conf.freetype2test
+      AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <freetype/freetype.h>
+
+char*
+my_strdup (char *str)
+{
+  char *new_str;
+  
+  if (str)
+    {
+      new_str = malloc ((strlen (str) + 1) * sizeof(char));
+      strcpy (new_str, str);
+    }
+  else
+    new_str = NULL;
+  
+  return new_str;
+}
+
+int main ()
+{
+  int major, minor, micro;
+  char *tmp_version;
+
+  system ("touch conf.freetype2test");
+
+  /* HP/UX 9 (%@#!) writes to sscanf strings */
+  tmp_version = my_strdup("$min_freetype2_version");
+  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
+     printf("%s, bad version string\n", "$min_freetype2_version");
+     exit(1);
+   }
+
+   if (($freetype2_major_version > major) ||
+      (($freetype2_major_version == major) && ($freetype2_minor_version > minor)) ||
+      (($freetype2_major_version == major) && ($freetype2_minor_version == minor) && ($freetype2_micro_version >= micro)))
+    {
+      return 0;
+    }
+  else
+    {
+      printf("\n");
+      printf("*** \n");
+      printf("*** 'freetype-config --version' returned %d.%d.%d, but the minimum version\n", $freetype2_major_version, $freetype2_minor_version, $freetype2_micro_version);
+      printf("*** of FREETYPE2 required is %d.%d.%d. If freetype-config is correct, then it is\n", major, minor, micro);
+      printf("*** best to upgrade to the required version.\n");
+      printf("*** If freetype-config was wrong, set the environment variable FREETYPE2_CONFIG\n");
+      printf("*** to point to the correct copy of freetype-config, and remove the file\n");
+      printf("*** config.cache before re-running configure\n");
+      printf("*** \n");
+
+      return 1;
+    }
+}
+
+],, no_freetype2=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+       CFLAGS="$ac_save_CFLAGS"
+       LIBS="$ac_save_LIBS"
+     fi
+  fi
+  if test "x$no_freetype2" = x ; then
+     AC_MSG_RESULT(yes)
+     ifelse([$2], , :, [$2])     
+  else
+     AC_MSG_RESULT(no)
+     if test "$FREETYPE2_CONFIG" = "no" ; then
+       echo "*** The freetype-config script installed by FREETYPE2 could not be found"
+       echo "*** If FREETYPE2 was installed in PREFIX, make sure PREFIX/bin is in"
+       echo "*** your path, or set the FREETYPE2_CONFIG environment variable to the"
+       echo "*** full path to freetype-config."
+     else
+       if test -f conf.freetype2test ; then
+        :
+       else
+          echo "*** Could not run FREETYPE2 test program, checking why..."
+          CFLAGS="$CFLAGS $FREETYPE2_CFLAGS"
+          LIBS="$LIBS $FREETYPE2_LIBS"
+          AC_TRY_LINK([
+#include <stdio.h>
+#include <freetype/freetype.h>
+],      [ return 0; ],
+        [ echo "*** The test program compiled, but did not run. This usually means"
+          echo "*** that the run-time linker is not finding FREETYPE2 or finding the wrong"
+          echo "*** version of FREETYPE2. If it is not finding FREETYPE2, 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 FREETYPE2 was incorrectly installed"
+          echo "*** or that you have moved FREETYPE2 since it was installed. In the latter case, you"
+          echo "*** may want to edit the freetype-config script: $FREETYPE2_CONFIG" ])
+          CFLAGS="$ac_save_CFLAGS"
+          LIBS="$ac_save_LIBS"
+       fi
+     fi
+     FREETYPE2_CFLAGS=""
+     FREETYPE2_LIBS=""
+     ifelse([$3], , :, [$3])
+  fi
+  AC_SUBST(FREETYPE2_CFLAGS)
+  AC_SUBST(FREETYPE2_LIBS)
+  rm -f conf.freetype2test
+])