${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 -nostdinc++ $(CXXFLAGS)
+PCHFLAGS=-x c++-header -nostdinc++ $(CXXFLAGS) $(VTV_PCH_CXXFLAGS)
if GLIBCXX_BUILD_PCH
pch_build = ${pch_output}
else