Index: include/Makefile.am
===================================================================
--- include/Makefile.am	(revision 163769)
+++ include/Makefile.am	(working copy)
@@ -904,7 +904,7 @@
 	${pch1_output_builddir} ${pch2_output_builddir} ${pch3_output_builddir}
 pch_output_anchors = \
 	${pch1_output_anchor} ${pch2_output_anchor} ${pch3_output_anchor}
-PCHFLAGS=-x c++-header $(CXXFLAGS)
+PCHFLAGS=-x c++-header -nostdinc++ $(CXXFLAGS)
 if GLIBCXX_BUILD_PCH
 pch_build = ${pch_output}
 else