--- gtkglext-1.2.0-r1.ebuild.orig	2013-04-10 22:31:33.000000000 +0200
+++ gtkglext-1.2.0-r1.ebuild	2013-05-08 00:58:33.000000000 +0200
@@ -43,4 +43,16 @@
 		gdk/x11/Makefile.am gdk/x11/Makefile.in \
 		gtk/Makefile.am gtk/Makefile.in \
 		|| die "sed failed"
+
+	if [[ "$CFLAGS $CXXFLAGS $LDFLAGS" =~ flto ]]; then
+		einfo "LTO enabled compiler flags detected, patching configure.."
+
+		#diff -ur configure <(sed -e \
+		#	'/symcode=..[A-Z]*/,/esac/ {/linux.)/,/;;/ {/symcode=/ {x;N;N;x;N;G}}}' \
+		#	configure)
+
+		# fix libtool test program, decomment above to see changes
+		sed -e '/symcode=..[A-Z]*/,/esac/ {/linux.)/,/;;/ {/symcode=/ {x;N;N;x;N;G}}}' \
+			-i configure || die "failed to sed -i configure"
+	fi
 }