[xulrunner] Build with -fpermissive

[Christopher Aillon]

commit 361738c81f7c9e18a64b3da45b1169987da5b68a
Author: Christopher Aillon <caillon at redhat.com>
Date:   Tue Jan 25 09:06:35 2011 -0800

    Build with -fpermissive
    
    GCC 4.6 got stricter.  Enable this for now so we can build.
    Also, fix up the comment about exceptions.

 xulrunner.spec |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)
---
diff --git a/xulrunner.spec b/xulrunner.spec
index 21b0d87..3c4294a 100644
--- a/xulrunner.spec
+++ b/xulrunner.spec
@@ -196,11 +196,16 @@ cd %{tarballdir}
 INTERNAL_GECKO=%{version_internal}
 MOZ_APP_DIR=%{_libdir}/%{name}-${INTERNAL_GECKO}
 
+
+# -fpermissive is needed to build with gcc 4.6+ which has become stricter
+# 
 # Mozilla builds with -Wall with exception of a few warnings which show up
 # everywhere in the code; so, don't override that.
-# and disable C++ exceptions
-MOZ_OPT_FLAGS=$(echo $RPM_OPT_FLAGS | \
-                     %{__sed} -e 's/-Wall//' -e 's/-fexceptions/-fno-exceptions/g')
+#
+# Disable C++ exceptions since Mozilla code is not exception-safe
+#
+MOZ_OPT_FLAGS=$(echo "$RPM_OPT_FLAGS -fpermissive" | \
+                      %{__sed} -e 's/-Wall//' -e 's/-fexceptions/-fno-exceptions/g')
 export CFLAGS=$MOZ_OPT_FLAGS
 export CXXFLAGS=$MOZ_OPT_FLAGS