configure: add --with-gtk option and default to Gtk+ 2.0 while the 3.0 API is still...

https://bugzilla.gnome.org/show_bug.cgi?id=634014

diff --git a/configure.ac b/configure.ac
index 991d831763fdca6815d543a1e60ea18180af25b1..45972c8b83dcc8ba7c5c301450a97d8fc4d2f400 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -206,8 +206,17 @@ AC_SUBST(GSTPB_PREFIX)
 
 dnl GTK is optional and used in examples
 HAVE_GTK=NO
-PKG_CHECK_MODULES(GTK, gtk+-x11-3.0, HAVE_GTK=yes,
-    [PKG_CHECK_MODULES(GTK, gtk+-x11-2.0 >= 2.14.0, HAVE_GTK=yes,HAVE_GTK=no)])
+AC_MSG_CHECKING([which gtk+ version to compile examples against (optional)])
+AC_ARG_WITH([gtk],
+  AC_HELP_STRING([--with-gtk=3.0|2.0],
+                 [which gtk+ version to compile against (default: 2.0)]),
+  [case "$with_gtk" in
+      2.0|3.0) ;;
+      *) AC_MSG_ERROR([invalid gtk+ version specified]);;
+  esac],
+  [with_gtk=2.0])
+AC_MSG_RESULT([$with_gtk])
+PKG_CHECK_MODULES(GTK, gtk+-x11-$with_gtk, HAVE_GTK=yes, HAVE_GTK=no)
 AM_CONDITIONAL(HAVE_GTK, test "x$HAVE_GTK" = "xyes")
 
 dnl Needed for GtkBuilder to autoconnect signals