commit:     4d1a76c2d027626a55d2822a3d78c6aeb7f229f0
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Wed Feb 12 17:25:41 2025 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Wed Feb 12 17:26:16 2025 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=4d1a76c2

media-gfx/sane-frontends: avoid BDEPEND on gtk+

Same as 84b9d64c5f3592acf05c6e728afec29b2440b1fd. It is a hack and I
could be convinced to get rid of it, but I sort of get the impression
that users of sane-frontends might appreciate this, so...

Closes: https://bugs.gentoo.org/949670
Signed-off-by: Sam James <sam <AT> gentoo.org>

 media-gfx/sane-frontends/files/gtk-2.0.m4          | 189 +++++++++++++++++++++
 .../sane-frontends/sane-frontends-1.0.14-r7.ebuild |   3 +-
 2 files changed, 191 insertions(+), 1 deletion(-)

diff --git a/media-gfx/sane-frontends/files/gtk-2.0.m4 
b/media-gfx/sane-frontends/files/gtk-2.0.m4
new file mode 100644
index 000000000000..a89477fabbb7
--- /dev/null
+++ b/media-gfx/sane-frontends/files/gtk-2.0.m4
@@ -0,0 +1,189 @@
+# Configure paths for GTK+
+# Owen Taylor     1997-2001
+
+# Version number used by aclocal, see `info automake Serials`.
+# Increment on every change.
+#serial 1
+
+dnl AM_PATH_GTK_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND 
[, MODULES]]]])
+dnl Test for GTK+, and define GTK_CFLAGS and GTK_LIBS, if gthread is specified 
in MODULES, 
+dnl pass to pkg-config
+dnl
+AC_DEFUN([AM_PATH_GTK_2_0],
+[dnl 
+dnl Get the cflags and libraries from pkg-config
+dnl
+AC_ARG_ENABLE(gtktest, [  --disable-gtktest       do not try to compile and 
run a test GTK+ program],
+                   , enable_gtktest=yes)
+
+  pkg_config_args=gtk+-2.0
+  for module in . $4
+  do
+      case "$module" in
+         gthread) 
+             pkg_config_args="$pkg_config_args gthread-2.0"
+         ;;
+      esac
+  done
+
+  no_gtk=""
+
+  AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+  PKG_PROG_PKG_CONFIG([0.7])
+
+  min_gtk_version=ifelse([$1], ,2.0.0,$1)
+  AC_MSG_CHECKING(for GTK+ - version >= $min_gtk_version)
+
+  if test x$PKG_CONFIG != xno ; then
+    ## don't try to run the test against uninstalled libtool libs
+    if $PKG_CONFIG --uninstalled $pkg_config_args; then
+         echo "Will use uninstalled version of GTK+ found in PKG_CONFIG_PATH"
+         enable_gtktest=no
+    fi
+
+    if $PKG_CONFIG --atleast-version $min_gtk_version $pkg_config_args; then
+         :
+    else
+         no_gtk=yes
+    fi
+  fi
+
+  if test x"$no_gtk" = x ; then
+    GTK_CFLAGS=`$PKG_CONFIG $pkg_config_args --cflags`
+    GTK_LIBS=`$PKG_CONFIG $pkg_config_args --libs`
+    gtk_config_major_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+    gtk_config_minor_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+    gtk_config_micro_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
+           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 $LIBS"
+dnl
+dnl Now check if the installed GTK+ is sufficiently new. (Also sanity
+dnl checks the results of pkg-config to some extent)
+dnl
+      rm -f conf.gtktest
+      AC_TRY_RUN([
+#include <gtk/gtk.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int 
+main ()
+{
+  int major, minor, micro;
+  char *tmp_version;
+
+  fclose (fopen ("conf.gtktest", "w"));
+
+  /* HP/UX 9 (%@#!) writes to sscanf strings */
+  tmp_version = g_strdup("$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*** 'pkg-config --modversion gtk+-2.0' 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 pkg-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 pkg-config was wrong, set the environment variable 
PKG_CONFIG_PATH\n");
+      printf("*** to point to the correct configuration files\n");
+    } 
+  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);
+    }
+  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 pkg-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 PKG_CONFIG environment 
to point to the\n");
+        printf("*** correct copy of pkg-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 (version 
$gtk_config_major_version.$gtk_config_minor_version.$gtk_config_micro_version))
+     ifelse([$2], , :, [$2])     
+  else
+     AC_MSG_RESULT(no)
+     if test "$PKG_CONFIG" = "no" ; then
+       echo "*** A new enough version of pkg-config was not found."
+       echo "*** See http://pkgconfig.sourceforge.net";
+     else
+       if test -f conf.gtktest ; then
+        :
+       else
+          echo "*** Could not run GTK+ test program, checking why..."
+         ac_save_CFLAGS="$CFLAGS"
+         ac_save_LIBS="$LIBS"
+          CFLAGS="$CFLAGS $GTK_CFLAGS"
+          LIBS="$LIBS $GTK_LIBS"
+          AC_TRY_LINK([
+#include <gtk/gtk.h>
+#include <stdio.h>
+],      [ return ((gtk_major_version) || (gtk_minor_version) || 
(gtk_micro_version)); ],
+        [ echo "*** The test program compiled, but did not run. This usually 
means"
+          echo "*** that the run-time linker is not finding GTK+ or finding 
the wrong"
+          echo "*** version of GTK+. If it is not finding GTK+, you'll need to 
set your"
+          echo "*** LD_LIBRARY_PATH environment variable, or edit 
/etc/ld.so.conf to point"
+          echo "*** to the installed location  Also, make sure you have run 
ldconfig if that"
+          echo "*** is required on your system"
+         echo "***"
+          echo "*** If you have an old version installed, it is best to remove 
it, although"
+          echo "*** you may also be able to get things to work by modifying 
LD_LIBRARY_PATH" ],
+        [ echo "*** The test program failed to compile or link. See the file 
config.log for the"
+          echo "*** exact error that occured. This usually means GTK+ is 
incorrectly installed."])
+          CFLAGS="$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
+])

diff --git a/media-gfx/sane-frontends/sane-frontends-1.0.14-r7.ebuild 
b/media-gfx/sane-frontends/sane-frontends-1.0.14-r7.ebuild
index 3a01f21423be..90e84ef635a9 100644
--- a/media-gfx/sane-frontends/sane-frontends-1.0.14-r7.ebuild
+++ b/media-gfx/sane-frontends/sane-frontends-1.0.14-r7.ebuild
@@ -37,7 +37,8 @@ S="${WORKDIR}"/"${PN}"-upstream-"${PV}"
 src_prepare() {
        default
 
-       # Needed for C99 patch (acinclude hack to avoid BDEPEND on gimp)
+       # Needed for C99 patch (acinclude hack to avoid BDEPEND on gtk+, gimp)
+       cat "${FILESDIR}"/gtk-2.0.m4 >> acinclude.m4 || die
        cat "${FILESDIR}"/gimp-2.0.m4 >> acinclude.m4 || die
        eautoreconf
 }

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