diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a7277154294..07fca00723b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,15 @@
+2011-08-24  Joseph Myers  <joseph@codesourcery.com>
+
+	* Makefile.in (CFLAGS-collect2.o, CFLAGS-c-family/c-opts.o)
+	(CFLAGS-c-family/c-pch.o, CFLAGS-prefix.o, CFLAGS-version.o)
+	(CFLAGS-lto-compress.o, CFLAGS-toplev.o, CFLAGS-intl.o)
+	(CFLAGS-cppbuiltin.o, CFLAGS-cppdefault.o): New.
+	(collect2.o, c-family/c-cppbuiltin.o, c-family/c-opts.o)
+	(c-family/c-pch.o, prefix.o, version.o, lto-compress.o, toplev.o)
+	(intl.o, cppbuiltin.o, cppdefault.o): Remove explicit compilation
+	rules.
+	(lto-wrapper$(exeext)): Use $(LINKER) not $(COMPILER).
+
 2011-08-24  Joseph Myers  <joseph@codesourcery.com>
 
 	* Makefile.in (ALL_CXXFLAGS): Include $(CFLAGS-$@).
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 8263d7bc994..8679e7b961e 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -2052,12 +2052,11 @@ collect2$(exeext): $(COLLECT2_OBJS) $(LIBDEPS)
 		$(COLLECT2_OBJS) $(LIBS) $(COLLECT2_LIBS)
 	mv -f T$@ $@
 
+CFLAGS-collect2.o += -DTARGET_MACHINE=\"$(target_noncanonical)\" \
+	@TARGET_SYSTEM_ROOT_DEFINE@
 collect2.o : collect2.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) intl.h \
 	$(OBSTACK_H) $(DEMANGLE_H) collect2.h collect2-aix.h version.h \
 	$(DIAGNOSTIC_H)
-	$(COMPILER) $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS)  \
-	-DTARGET_MACHINE=\"$(target_noncanonical)\" \
-	-c $(srcdir)/collect2.c $(OUTPUT_OPTION) @TARGET_SYSTEM_ROOT_DEFINE@
 
 collect2-aix.o : collect2-aix.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
     collect2-aix.h
@@ -2066,7 +2065,7 @@ tlink.o: tlink.c $(DEMANGLE_H) $(HASHTAB_H) $(CONFIG_H) $(SYSTEM_H) coretypes.h
     $(OBSTACK_H) collect2.h intl.h $(DIAGNOSTIC_CORE_H)
 
 lto-wrapper$(exeext): lto-wrapper.o $(LIBDEPS)
-	+$(COMPILER) $(ALL_COMPILERFLAGS) $(LDFLAGS) -o T$@ lto-wrapper.o $(LIBS)
+	+$(LINKER) $(ALL_COMPILERFLAGS) $(LDFLAGS) -o T$@ lto-wrapper.o $(LIBS)
 	mv -f T$@ $@
 
 lto-wrapper.o: lto-wrapper.c $(CONFIG_H) $(SYSTEM_H) coretypes.h intl.h \
@@ -2088,8 +2087,6 @@ c-family/c-cppbuiltin.o : c-family/c-cppbuiltin.c $(CONFIG_H) $(SYSTEM_H) \
 	coretypes.h $(TM_H) $(TREE_H) version.h $(C_COMMON_H) $(C_PRAGMA_H) \
 	$(FLAGS_H) output.h $(TREE_H) $(TARGET_H) $(COMMON_TARGET_H) \
 	$(TM_P_H) debug.h $(CPP_ID_DATA_H) cppbuiltin.h
-	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) \
-		$< $(OUTPUT_OPTION)
 
 c-family/c-dump.o : c-family/c-dump.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
 	$(TM_H) $(TREE_H) $(TREE_DUMP_H)
@@ -2113,20 +2110,18 @@ c-family/c-lex.o : c-family/c-lex.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
 c-family/c-omp.o : c-family/c-omp.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
 	$(TREE_H) $(C_COMMON_H) $(GIMPLE_H) langhooks.h
 
+CFLAGS-c-family/c-opts.o += @TARGET_SYSTEM_ROOT_DEFINE@
 c-family/c-opts.o : c-family/c-opts.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
         $(TREE_H) $(C_PRAGMA_H) $(FLAGS_H) toplev.h langhooks.h \
         $(DIAGNOSTIC_H) intl.h debug.h $(C_COMMON_H) $(C_TARGET_H) \
         $(OPTS_H) $(OPTIONS_H) $(MKDEPS_H) incpath.h cppdefault.h
-	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) \
-		$< $(OUTPUT_OPTION) @TARGET_SYSTEM_ROOT_DEFINE@
 
+CFLAGS-c-family/c-pch.o += -DHOST_MACHINE=\"$(host)\" \
+	-DTARGET_MACHINE=\"$(target)\"
 c-family/c-pch.o : c-family/c-pch.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
 	$(CPPLIB_H) $(TREE_H) $(C_COMMON_H) output.h $(C_PRAGMA_H) \
 	$(GGC_H) debug.h langhooks.h $(FLAGS_H) hosthooks.h version.h \
 	$(TARGET_H) $(OPTS_H) $(TIMEVAR_H)
-	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) \
-	  -DHOST_MACHINE=\"$(host)\" -DTARGET_MACHINE=\"$(target)\" \
-	  $< $(OUTPUT_OPTION)
 
 c-family/c-ppoutput.o : c-family/c-ppoutput.c $(CONFIG_H) $(SYSTEM_H) \
 	coretypes.h $(C_COMMON_H) $(TREE_H) $(CPPLIB_H) $(CPP_INTERNAL_H) \
@@ -2169,11 +2164,9 @@ incpath.o: incpath.c incpath.h $(CONFIG_H) $(SYSTEM_H) $(CPPLIB_H) \
 		intl.h prefix.h coretypes.h $(TM_H) cppdefault.h $(TARGET_H) \
 		$(MACHMODE_H)
 
+CFLAGS-prefix.o += -DPREFIX=\"$(prefix)\" -DBASEVER=$(BASEVER_s)
 prefix.o: prefix.c $(CONFIG_H) $(SYSTEM_H) coretypes.h prefix.h \
 	$(COMMON_TARGET_H) Makefile $(BASEVER)
-	$(COMPILER) $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) \
-	-DPREFIX=\"$(prefix)\" -DBASEVER=$(BASEVER_s) \
-	  -c $(srcdir)/prefix.c $(OUTPUT_OPTION)
 
 # Language-independent files.
 
@@ -2251,12 +2244,11 @@ options-save.o: options-save.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TARGET_H) $
 
 dumpvers: dumpvers.c
 
-version.o: version.c version.h $(REVISION) $(DATESTAMP) $(BASEVER) $(DEVPHASE)
-	$(COMPILER) $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) \
-	-DBASEVER=$(BASEVER_s) -DDATESTAMP=$(DATESTAMP_s) \
+CFLAGS-version.o += -DBASEVER=$(BASEVER_s) -DDATESTAMP=$(DATESTAMP_s) \
 	-DREVISION=$(REVISION_s) \
 	-DDEVPHASE=$(DEVPHASE_s) -DPKGVERSION=$(PKGVERSION_s) \
-	-DBUGURL=$(BUGURL_s) -c $(srcdir)/version.c $(OUTPUT_OPTION)
+	-DBUGURL=$(BUGURL_s)
+version.o: version.c version.h $(REVISION) $(DATESTAMP) $(BASEVER) $(DEVPHASE)
 
 gtype-desc.o: gtype-desc.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
 	$(HASHTAB_H) $(SPLAY_TREE_H) $(OBSTACK_H) $(BITMAP_H) \
@@ -2292,10 +2284,10 @@ double-int.o: double-int.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
 	toplev.h $(TREE_H)
 
 # lto-compress.o needs $(ZLIBINC) added to the include flags.
+CFLAGS-lto-compress.o += $(ZLIBINC)
 lto-compress.o: lto-compress.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
 	$(TREE_H) langhooks.h $(LTO_STREAMER_H) $(LTO_SECTION_H) \
 	lto-compress.h $(DIAGNOSTIC_CORE_H) $(DIAGNOSTIC_CORE_H)
-	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(ZLIBINC) $< $(OUTPUT_OPTION)
 data-streamer-in.o: data-streamer-in.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
     $(DATA_STREAMER_H) $(DIAGNOSTIC_H)
 data-streamer-out.o: data-streamer-out.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
@@ -2836,6 +2828,7 @@ s-bversion: BASE-VER
 
 input.o : input.c $(CONFIG_H) $(SYSTEM_H) coretypes.h intl.h $(INPUT_H)
 
+CFLAGS-toplev.o += -DTARGET_NAME=\"$(target_noncanonical)\"
 toplev.o : toplev.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
    version.h $(RTL_H) $(FUNCTION_H) $(FLAGS_H) xcoffout.h $(INPUT_H) \
    $(INSN_ATTR_H) output.h $(DIAGNOSTIC_H) debug.h insn-config.h intl.h \
@@ -2847,9 +2840,6 @@ toplev.o : toplev.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
    $(OPTS_H) params.def tree-mudflap.h $(TREE_PASS_H) $(GIMPLE_H) \
    tree-ssa-alias.h $(PLUGIN_H) realmpfr.h tree-diagnostic.h \
    tree-pretty-print.h opts-diagnostic.h $(COMMON_TARGET_H)
-	$(COMPILER) $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) \
-	  -DTARGET_NAME=\"$(target_noncanonical)\" \
-	  -c $(srcdir)/toplev.c $(OUTPUT_OPTION)
 
 hwint.o : hwint.c $(CONFIG_H) $(SYSTEM_H) $(DIAGNOSTIC_CORE_H)
 
@@ -4054,10 +4044,8 @@ gengtype-lex.c : gengtype-lex.l
 
 #
 # Remake internationalization support.
+CFLAGS-intl.o += -DLOCALEDIR=\"$(localedir)\"
 intl.o: intl.c $(CONFIG_H) $(SYSTEM_H) coretypes.h intl.h Makefile
-	$(COMPILER) $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) \
-	  -DLOCALEDIR=\"$(localedir)\" \
-	  -c $(srcdir)/intl.c $(OUTPUT_OPTION)
 
 #
 # Remake cpp.
@@ -4075,17 +4063,13 @@ PREPROCESSOR_DEFINES = \
   -DSTANDARD_EXEC_PREFIX=\"$(libdir)/gcc/\" \
   @TARGET_SYSTEM_ROOT_DEFINE@
 
+CFLAGS-cppbuiltin.o += $(PREPROCESSOR_DEFINES) -DBASEVER=$(BASEVER_s)
 cppbuiltin.o: cppbuiltin.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
 	cppbuiltin.h Makefile
-	$(COMPILER) $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) \
-	  $(PREPROCESSOR_DEFINES) -DBASEVER=$(BASEVER_s) \
-	  -c $(srcdir)/cppbuiltin.c $(OUTPUT_OPTION)
 
+CFLAGS-cppdefault.o += $(PREPROCESSOR_DEFINES)
 cppdefault.o: cppdefault.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
 	cppdefault.h Makefile
-	$(COMPILER) $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) \
-	  $(PREPROCESSOR_DEFINES) \
-	  -c $(srcdir)/cppdefault.c $(OUTPUT_OPTION)
 
 # Note for the stamp targets, we run the program `true' instead of
 # having an empty command (nothing following the semicolon).
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 4b32ee7c12b..3554868480c 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,11 @@
+2011-08-24  Joseph Myers  <joseph@codesourcery.com>
+
+	* gcc-interface/Make-lang.in (CFLAGS-ada/tracebak.o)
+	(CFLAGS-ada/targext.o, CFLAGS-ada/cio.o, CFLAGS-ada/init.o)
+	(CFLAGS-ada/initialize.o, CFLAGS-ada/raise.o): New.
+	(ada/tracebak.o, ada/targext.o, ada/cio.o, ada/init.o)
+	(ada/initialize.o, ada/raise.o): Remove explicit compilation rules.
+
 2011-08-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* gcc-interface/Makefile.in (PICFLAG_FOR_TARGET): New.
diff --git a/gcc/ada/gcc-interface/Make-lang.in b/gcc/ada/gcc-interface/Make-lang.in
index 98f142ec628..65ee531793d 100644
--- a/gcc/ada/gcc-interface/Make-lang.in
+++ b/gcc/ada/gcc-interface/Make-lang.in
@@ -1213,9 +1213,8 @@ ada/a-tags.o  : ada/a-tags.adb ada/a-tags.ads
 	$(CC) -c $(ALL_ADAFLAGS) $(FORCE_DEBUG_ADAFLAGS) $(ADA_INCLUDES) \
 	  $< $(OUTPUT_OPTION)
 
+CFLAGS-ada/tracebak.o += $(ADA_CFLAGS) -fno-omit-frame-pointer
 ada/tracebak.o : ada/tracebak.c $(CONFIG_H) $(SYSTEM_H)
-	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ADA_CFLAGS) $(ALL_CPPFLAGS) \
-	      $(INCLUDES) -fno-omit-frame-pointer $< $(OUTPUT_OPTION)
 
 # dependencies for windows specific tool (mdll)
 
@@ -1236,25 +1235,20 @@ ada/exit.o     : ada/exit.c $(CONFIG_H) $(SYSTEM_H) ada/adaint.h
 ada/final.o    : ada/final.c $(CONFIG_H) $(SYSTEM_H) ada/raise.h
 ada/link.o     : ada/link.c
 
+CFLAGS-ada/targext.o += $(ADA_CFLAGS)
 ada/targext.o : ada/targext.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H)
-	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ADA_CFLAGS) \
-		 $(ALL_CPPFLAGS) $(INCLUDES) $< $(OUTPUT_OPTION)
 
+CFLAGS-ada/cio.o += $(ADA_CFLAGS)
 ada/cio.o : ada/cio.c $(CONFIG_H) $(SYSTEM_H) ada/adaint.h
-	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ADA_CFLAGS) \
-		 $(ALL_CPPFLAGS) $(INCLUDES) $< $(OUTPUT_OPTION)
 
+CFLAGS-ada/init.o += $(ADA_CFLAGS)
 ada/init.o : ada/init.c $(CONFIG_H) $(SYSTEM_H) ada/adaint.h ada/raise.h
-	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ADA_CFLAGS) \
-		 $(ALL_CPPFLAGS) $(INCLUDES) $< $(OUTPUT_OPTION)
 
+CFLAGS-ada/initialize.o += $(ADA_CFLAGS)
 ada/initialize.o : ada/initialize.c
-	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ADA_CFLAGS) \
-		 $(ALL_CPPFLAGS) $(INCLUDES) $< $(OUTPUT_OPTION)
 
+CFLAGS-ada/raise.o += $(ADA_CFLAGS)
 ada/raise.o : ada/raise.c $(CONFIG_H) $(SYSTEM_H) ada/adaint.h ada/raise.h
-	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ADA_CFLAGS) \
-		 $(ALL_CPPFLAGS) $(INCLUDES) $< $(OUTPUT_OPTION)
 
 ada/cuintp.o : ada/gcc-interface/cuintp.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
    $(TM_H) $(TREE_H) ada/gcc-interface/ada.h ada/types.h ada/uintp.h \
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 80cee087c6b..7e8d1af0102 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,7 @@
+2011-08-24  Joseph Myers  <joseph@codesourcery.com>
+
+	* Make-lang.in (fortran/cpp.o): Remove explicit compilation rule.
+
 2011-08-23  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/31600
diff --git a/gcc/fortran/Make-lang.in b/gcc/fortran/Make-lang.in
index 9f524b3bce9..08164587d0b 100644
--- a/gcc/fortran/Make-lang.in
+++ b/gcc/fortran/Make-lang.in
@@ -367,5 +367,3 @@ fortran/resolve.o: fortran/dependency.h fortran/data.h fortran/target-memory.h
 fortran/data.o: fortran/data.h
 fortran/options.o: $(PARAMS_H) $(TARGET_H) fortran/cpp.h
 fortran/cpp.o: fortran/cpp.c incpath.h incpath.o cppbuiltin.h
-	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) \
-		$< $(OUTPUT_OPTION)
diff --git a/gcc/go/ChangeLog b/gcc/go/ChangeLog
index 549bc03712f..16b24acd281 100644
--- a/gcc/go/ChangeLog
+++ b/gcc/go/ChangeLog
@@ -1,3 +1,8 @@
+2011-08-24  Joseph Myers  <joseph@codesourcery.com>
+
+	* Make-lang.in (CFLAGS-go/go-lang.o): New.
+	(go/go-lang.o): Remove explicit compilation rule.
+
 2011-08-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* Make-lang.in (gccgo$(exeext)): Add $(EXTRA_GCC_LIBS).
diff --git a/gcc/go/Make-lang.in b/gcc/go/Make-lang.in
index 1fe43f57ce1..fc436126cab 100644
--- a/gcc/go/Make-lang.in
+++ b/gcc/go/Make-lang.in
@@ -229,15 +229,13 @@ go/go-backend.o: go/go-backend.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
 	$(TM_H) $(RTL_H) $(TREE_H) $(TM_P_H) output.h $(TARGET_H) \
 	$(COMMON_TARGET_H)
 
+CFLAGS-go/go-lang.o += -DDEFAULT_TARGET_VERSION=\"$(version)\" \
+	-DDEFAULT_TARGET_MACHINE=\"$(target_noncanonical)\"
 go/go-lang.o: go/go-lang.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(OPTS_H) \
 		$(TREE_H) $(GIMPLE_H) $(GGC_H) $(TOPLEV_H) debug.h options.h \
 		$(FLAGS_H) convert.h $(DIAGNOSTIC_H) langhooks.h \
 		$(LANGHOOKS_DEF_H) $(EXCEPT_H) $(TARGET_H) $(GO_C_H) \
 		gt-go-go-lang.h gtype-go.h $(COMMON_TARGET_H)
-	$(COMPILER) $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) \
-	  -DDEFAULT_TARGET_VERSION=\"$(version)\" \
-	  -DDEFAULT_TARGET_MACHINE=\"$(target_noncanonical)\" \
-	  -c $< $(OUTPUT_OPTION)
 
 GOINCLUDES = -I $(srcdir)/go -I $(srcdir)/go/gofrontend
 
diff --git a/gcc/java/ChangeLog b/gcc/java/ChangeLog
index 8e390110a9c..5f14cd8787f 100644
--- a/gcc/java/ChangeLog
+++ b/gcc/java/ChangeLog
@@ -1,3 +1,10 @@
+2011-08-24  Joseph Myers  <joseph@codesourcery.com>
+
+	* Make-lang.in (CFLAGS-java/jcf-io.o, CFLAGS-java/jcf-path.o):
+	New.
+	(java/jcf-io.o, java/jcf-path.o): Remove explicit compilation
+	rules.
+
 2011-08-18  Peter Collingbourne  <peter@pcc.me.uk>
 
 	* expr.c (expand_invoke) Use the type of the method rewrite
diff --git a/gcc/java/Make-lang.in b/gcc/java/Make-lang.in
index 6dd2f09dca8..1d9fd2b2988 100644
--- a/gcc/java/Make-lang.in
+++ b/gcc/java/Make-lang.in
@@ -324,18 +324,16 @@ java/java-gimplify.o: java/java-gimplify.c $(CONFIG_H) $(SYSTEM_H) \
   coretypes.h $(JAVA_TREE_H) $(GIMPLE_H)
 
 # jcf-io.o needs $(ZLIBINC) added to cflags.
+CFLAGS-java/jcf-io.o += $(ZLIBINC)
 java/jcf-io.o: java/jcf-io.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
   $(JAVA_TREE_H) java/zipfile.h
-	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
-		$(ZLIBINC) $(srcdir)/java/jcf-io.c $(OUTPUT_OPTION)
 
 # jcf-path.o needs a -D.
+CFLAGS-java/jcf-path.o += \
+	-DLIBGCJ_ZIP_FILE='"$(datadir)/java/libgcj-$(version).jar"' \
+	-DDEFAULT_TARGET_VERSION=\"$(version)\"
 java/jcf-path.o: java/jcf-path.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
   java/jcf.h
-	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
-	  -DLIBGCJ_ZIP_FILE='"$(datadir)/java/libgcj-$(version).jar"' \
-	  -DDEFAULT_TARGET_VERSION=\"$(version)\" \
-	  $(srcdir)/java/jcf-path.c $(OUTPUT_OPTION)
 
 TEXI_JAVA_FILES = java/gcj.texi $(gcc_docdir)/include/fdl.texi		\
 	 $(gcc_docdir)/include/gpl_v3.texi $(gcc_docdir)/include/gcc-common.texi   \