Don't waste time rendering layers which are completely obscured by solid-colour recta...

[synfig.git] / synfig-core / trunk / config / subs.m4

diff --git a/synfig-core/trunk/config/subs.m4 b/synfig-core/trunk/config/subs.m4
index ccce797..e1fc1e6 100644 (file)
--- a/synfig-core/trunk/config/subs.m4
+++ b/synfig-core/trunk/config/subs.m4
@@ -96,14 +96,15 @@ AC_DEFUN([AC_ARG_DEBUG],
 
 
 
+## Optimisation level 2 in g++ 4.1 or g++ 4.2 breaks composition loading in the vector parsing function in loadcanvas.cpp (1509627)
 AC_DEFUN([AC_ARG_OPTIMIZATION],
 [
        AC_MSG_CHECKING([for optimization flags])
 
-       AC_ARG_ENABLE(optimization,[  --enable-optimization=[[0,1,2,3,4]] Select optimization level (default=2)],[
+       AC_ARG_ENABLE(optimization,[  --enable-optimization=[[0,1,2,3,4]] Select optimization level (default=1)],[
                optimization=$enableval
        ],[
-               optimization="2"
+               optimization="1"
        ])
        optimization_flags=''
        case "$optimization" in