[gnome-games] build: Error out when building games with gtk2 that don't support gtk2

[Christian Persch <chpe src gnome org>]

commit 3ff575bdb9b28202d2a8ef6468d093102480ac01
Author: Christian Persch <chpe gnome org>
Date:   Tue Oct 19 22:03:49 2010 +0200

    build: Error out when building games with gtk2 that don't support gtk2
    
    Once all games (except aisleriot) only support gtk3, flip the default by
    setting allow_gtk2=no.

 configure.in |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/configure.in b/configure.in
index 5f10d3c..17c85cc 100644
--- a/configure.in
+++ b/configure.in
@@ -115,6 +115,7 @@ need_python=no
 need_clutter=no
 need_gio_2_26=no
 want_sound=no
+allow_gtk2=yes
 allow_gnuchess=no
 allow_smclient=no
 disallow_hildon=no
@@ -124,6 +125,10 @@ libgames_support_full=no
 
 for game in $gamelist; do
   case $game in
+    aisleriot) allow_gtk2=yes ;;
+    *) ;;
+  esac
+  case $game in
     quadrapassel) need_cxx=yes ;;
     *) ;;
   esac
@@ -326,6 +331,10 @@ AC_ARG_WITH([gtk],
   [with_gtk=2.0])
 AC_MSG_RESULT([$with_gtk])
 
+if test "$with_gtk" = "2.0" -a "$allow_gtk2" = "no"; then
+  AC_MSG_ERROR([gtk+-2.0 build requested but not all selected games still support this])
+fi
+
 case "$with_gtk" in
   2.0) GTK_API_VERSION=2.0
        GTK_API_MAJOR_VERSION=2