[metacity] configure: Remove --with-gtk flag

[Colin Walters <walters src gnome org>]

commit 48cc8cbdad70a6bf2b4e6d44d1744ab956ac830a
Author: Colin Walters <walters verbum org>
Date:   Thu May 19 12:44:51 2011 -0400

    configure: Remove --with-gtk flag
    
    We only support GTK2 right now; if someone wants to do the port,
    they can readd the configure flag as the last step.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=650513

 configure.in |   27 ++++++---------------------
 1 files changed, 6 insertions(+), 21 deletions(-)
---
diff --git a/configure.in b/configure.in
index 7e6cd99..1832c7d 100644
--- a/configure.in
+++ b/configure.in
@@ -107,27 +107,12 @@ if test "x$GCC" = "xyes"; then
 fi
 changequote([,])dnl
 
-AC_MSG_CHECKING([which gtk+ version to compile against])
-AC_ARG_WITH([gtk],
-  AC_HELP_STRING([--with-gtk=2.0|3.0],
-                 [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])
-
-case "$with_gtk" in
-  2.0) GTK_API_VERSION=2.0
-       GTK_MIN_VERSION=2.20.0
-       CANBERRA_GTK=libcanberra-gtk
-       ;;
-  3.0) GTK_API_VERSION=3.0
-       GTK_MIN_VERSION=2.90.0
-       CANBERRA_GTK=libcanberra-gtk3
-       ;;
-esac
+dnl This used to purport to allow compilation against gtk3, but it doesn't actually
+dnl work; see https://bugzilla.gnome.org/show_bug.cgi?id=650513
+with_gtk=2.0
+GTK_API_VERSION=2.0
+GTK_MIN_VERSION=2.20.0
+CANBERRA_GTK=libcanberra-gtk
 
 METACITY_PC_MODULES="gtk+-$GTK_API_VERSION >= $GTK_MIN_VERSION pango >= 1.2.0"
 AC_SUBST(GTK_API_VERSION)