Enable "--with-computed-gotos" for the binary installer
on OSX.
diff --git a/Mac/BuildScript/build-installer.py b/Mac/BuildScript/build-installer.py
index 174bf68..0a93a4c 100755
--- a/Mac/BuildScript/build-installer.py
+++ b/Mac/BuildScript/build-installer.py
@@ -646,7 +646,7 @@
 
     print "Running configure..."
     runCommand("%s -C --enable-framework --enable-universalsdk=%s "
-               "--with-universal-archs=%s "
+               "--with-universal-archs=%s --with-computed-gotos"
                "LDFLAGS='-g -L%s/libraries/usr/local/lib' "
                "OPT='-g -O3 -I%s/libraries/usr/local/include' 2>&1"%(
         shellQuote(os.path.join(SRCDIR, 'configure')), shellQuote(SDKPATH),