[gimp/metadata-browser] configure: Setup to use libgexiv2

[Roman Joost <romanofski src gnome org>]

commit 5f2bd201df6f07c7ea1e36c33e288298533fa29c
Author: Roman Joost <roman bromeco de>
Date:   Tue Feb 26 14:12:15 2013 +1000

    configure: Setup to use libgexiv2

 configure.ac                        |   19 +++++++++++++++++++
 plug-ins/metadata/Makefile.am       |    1 +
 plug-ins/metadata/tests/Makefile.am |    1 +
 3 files changed, 21 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 9ea6fa4..f0f3286 100644
--- a/configure.ac
+++ b/configure.ac
@@ -61,6 +61,7 @@ m4_define([libcurl_required_version], [7.15.1])
 m4_define([dbus_glib_required_version], [0.70])
 m4_define([libgudev_required_version], [167])
 m4_define([exif_required_version], [0.6.15])
+m4_define([gexiv2_required_version], [0.4])
 m4_define([lcms_required_version], [2.2])
 m4_define([libpng_required_version], [1.2.37])
 m4_define([liblzma_required_version], [5.0.0])
@@ -1299,6 +1300,23 @@ AC_SUBST(EXIF_LIBS)
 AM_CONDITIONAL(HAVE_LIBEXIF, test "x$have_libexif" = xyes)
 
 
+#####################
+# Check for libgexiv2
+#####################
+
+AC_ARG_WITH(libgexiv2, [  --without-libgexiv2 don't build the metadata plug-in])
+
+have_libgexiv2=no
+if test "x$with_libgexiv2" != xno; then
+  have_libgexiv2=yes
+  PKG_CHECK_MODULES(GEXIV2, gexiv2 >= gexiv2_required_version,
+                    AC_DEFINE(HAVE_LIBGEXIV2, 1, [libgexi2v is available]),
+                    have_libgexiv2="no (libgexiv2 not found or too old)")
+fi
+
+AM_CONDITIONAL(HAVE_LIBGEXIV2, test "x$have_libgexiv2" = xyes)
+
+
 #################
 # Check for libaa
 #################
@@ -2383,6 +2401,7 @@ Optional Plug-Ins:
 
 Plug-In Features:
   EXIF support:        $have_libexif
+  XMP support:         $have_libexiv2
 
 Optional Modules:
   ALSA (MIDI Input):   $have_alsa
diff --git a/plug-ins/metadata/Makefile.am b/plug-ins/metadata/Makefile.am
index 6bca0f4..69e8200 100644
--- a/plug-ins/metadata/Makefile.am
+++ b/plug-ins/metadata/Makefile.am
@@ -80,6 +80,7 @@ LDADD = \
        $(libgimpcolor)         \
        $(libgimpbase)          \
        $(EXIF_LIBS)            \
+       $(GEXIV2_LIBS)          \
        $(GTK_LIBS)             \
        $(RT_LIBS)              \
        $(INTLLIBS)             \
diff --git a/plug-ins/metadata/tests/Makefile.am b/plug-ins/metadata/tests/Makefile.am
index 9153a91..137cbc2 100644
--- a/plug-ins/metadata/tests/Makefile.am
+++ b/plug-ins/metadata/tests/Makefile.am
@@ -18,6 +18,7 @@ LDADD = \
        $(libgimpconfig)        \
        $(libgimpcolor)         \
        $(libgimpbase)          \
+       $(GEXIV2_LIBS)          \
        $(GTK_LIBS)             \
        $(GLIB_LIBS)            \
        ../xmp-parse.o          \