--- glslang-10.11.0.0_pre20200924.ebuild.old    2020-12-19 12:24:27.837598623 -0800
+++ glslang-10.11.0.0_pre20200924.ebuild        2020-12-19 12:16:41.324580528 -0800
@@ -28,3 +28,5 @@

 # Bug 698850
 RESTRICT="test"
+
+MYCMAKEARGS="-DENABLE_PCH=OFF"