This patch readd TARGET_H that was removed with revision 188166 IPA_PROP_H is in use by PLUGIN_HEADERS and did depend on GIMPLE_H that did have TARGET_H before it was removed and it was not added to IPA_PROP_H or PLUGIN_HEADERS. See the bug for more info.
/Magnus gcc: 2013-03-30 Magnus Granberg <zo...@gentoo.org> PR plugins/56754 * Makefile.in (PLUGIN_HEADERS): Add TARGET_H
--- a/gcc/Makefile.in 2013-02-08 10:07:49.000000000 +0100 +++ b/gcc/Makefile.in 2013-03-28 03:43:53.343390945 +0100 @@ -4597,7 +4597,7 @@ PLUGIN_HEADERS = $(TREE_H) $(CONFIG_H) $ $(C_PRAGMA_H) $(CPPLIB_H) $(FUNCTION_H) \ cppdefault.h flags.h $(MD5_H) params.def params.h prefix.h tree-inline.h \ $(GIMPLE_PRETTY_PRINT_H) realmpfr.h \ - $(IPA_PROP_H) $(RTL_H) $(TM_P_H) $(CFGLOOP_H) $(EMIT_RTL_H) version.h + $(IPA_PROP_H) $(TARGET_H) $(RTL_H) $(TM_P_H) $(CFGLOOP_H) $(EMIT_RTL_H) version.h # generate the 'build fragment' b-header-vars s-header-vars: Makefile