gcc

	* config/x-solaris (host-solaris.o): Update.
	* config/x-linux (host-linux.o): Update.
	* config/x-hpux (host-hpux.o): Update.
	* config/x-darwin (host-darwin.o): Update.
	* config/v850/t-v850e (v850-c.o): Update.
	* config/v850/t-v850 (v850-c.o): Update.
	* config/t-vxworks (vxworks.o): Update.
	* config/t-sol2 (sol2-c.o, sol2.o): Update.
	* config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o):
	Update.
	* config/spu/t-spu-elf (spu-c.o): Update.
	(spu.o): Remove.
	* config/sh/t-symbian (sh-c.o): Update.
	(symbian.o): Update.
	* config/sh/t-sh (sh-c.o): Update.
	* config/score/t-score-elf (score7.o, score3.o): Update.
	* config/rs6000/x-rs6000 (driver-rs6000.o): Update.
	* config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
	* config/rs6000/x-darwin (host-ppc-darwin.o): Update.
	* config/rs6000/t-rs6000 (rs6000-c.o): Update.
	(rs6000.o): Remove.
	* config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
	* config/m32c/t-m32c (m32c-pragma.o): Update.
	* config/ia64/t-ia64 (ia64-c.o): Update.
	* config/i386/x-mingw32 (host-mingw32.o): Update.
	* config/i386/x-i386 (driver-i386.o): Update.
	* config/i386/x-darwin (host-i386-darwin.o): Update.
	* config/i386/x-cygwin (host-cygwin.o): Update.
	* config/i386/t-nwld (nwld.o): Update.
	* config/i386/t-netware (netware.o): Update.
	* config/i386/t-interix (winnt.o): Update.
	* config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
	* config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
	msformat-c.o): Update.
	* config/bfin/t-bfin-linux (generated_files): Add
	linux-sysroot-suffix.h.
	* config/arm/t-wince-pe (pe.o): Update.
	* config/arm/t-strongarm-pe (pe.o): Update.
	* config/arm/t-pe (pe.o): Update.
	* config/arm/t-arm (arm-c.o): Update.
	* doc/install.texi (Prerequisites): Require make 3.80.
	* Makefile.in: Remove .o targets.
	(CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
	(OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
	(simple_generated_h, simple_generated_c): Move earlier.
	(generated_files): New variable.
	(TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
	TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
	BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
	ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
	REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
	CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
	CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
	INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
	PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
	TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
	DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
	VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
	(.c.o): Remove.
	(COMPILE.base, COMPILE): New variables.
	(%.o): New pattern rule.
	(ALL_HOST_OBJS): New variable.
	(xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
	(dummy-checksum.o, cc1-checksum.o): Remove.
	(DRIVER_SHLIB): New variable.
	(DRIVER_DEFINES): Use it.
	(gencondmd.c): Move out of build/.
	(s-conditions): Update.
	(BUILDCOMPILE.base, BUILDCOMPILE): New variables.
	(ALL_BUILD_OBJS): Likewise.
	(build/%.o): Use BUILDCOMPILE.
	(build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
	build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
	build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
	build/gencheck.o, build/gencodes.o, build/genconditions.o,
	build/genconfig.o, build/genconstants.o, build/genemit.o,
	build/genextract.o, build/genflags.o, build/genmddeps.o,
	build/genopinit.o, build/genoutput.o, build/genpeep.o,
	build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
	build/gen-protos.o, build/scan.o, build/fix-header.o,
	build/scan-decls.o): Simplify.
	(collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
	cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
	prefix.o, toplev.o): Reduce to variable setting.
	(libbackend.o): Use COMPILE.  Remove most dependencies.  Move
	later.
	($(out_object_file), gcc-options.o): New targets.
	($(ALL_HOST_OBJS)): New target.
	Include dependency files.
	* configure: Rebuilt.
	* configure.ac: Call ZW_CREATE_DEPDIR,
	ZW_PROG_COMPILER_DEPENDENCIES.
	* doc/sourcebuild.texi (Front End Directory): Document new
	variable.
gcc/java
	* Make-lang.in: Removed most explicit .o targets.
	(java/jvspec.o): Reduce to variable setting.  Moved to java/.
	($(GCJ)$(exeext)): Update.
	(JAVA_OBJS): New variable.
	(JCFDUMP_OBJS): Reformat.
	(java_OBJS): New variable.
	(java/jvspec.o-warn): Update.
	(java/parse.o-warn): Remove.
	(JAVA_TREE_H): Remove.
	(java/jcf-io.o): Reduce to variable setting.
	(ALL_CPPFLAGS): Likewise.
gcc/objc
	* Make-lang.in (objc_OBJS): New variable.
	(cc1obj-checksum.o, objc/objc-lang.o, objc/objc-act.o): Remove.
gcc/objcp
	* Make-lang.in (objcp_OBJS): New variable.
	(cc1objplus-checksum.o, objcp/objcp-lang.o, objcp/objcp-decl.o,
	objcp/objcp-act.o): Remove.
gcc/cp
	* Make-lang.in: Remove .o targets.
	(cp/g++spec.o): Moved to cp/.  Reduce to variable setting.
	(GXX_OBJS): Update.
	(c++_OBJS): New variable.
	(CXX_TREE_H, CXX_PRETTY_PRINT_H): Remove.
gcc/fortran
	* Make-lang.in: Remove .o targets.
	(fortran_OBJS): New variable.
	(fortran/gfortranspec.o): Move to fortran/.  Reduce to variable
	setting.
	(GFORTRAN_D_OBJS): Update.
	(GFORTRAN_TRANS_DEPS): Remove.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@133523 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 190 insertions, 1389 deletions

diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 407e2fefdbd..d36dff78f10 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -268,6 +268,12 @@ mkinstalldirs=$(SHELL) $(srcdir)/../mkinstalldirs
 # UNSORTED
 # --------
 
+# Dependency tracking stuff.
+CCDEPMODE = @CCDEPMODE@
+DEPDIR = @DEPDIR@
+depcomp = $(SHELL) $(srcdir)/../depcomp
+BUILD_DEPMODE = @BUILD_DEPMODE@
+
 # Some compilers can't handle cc -c blah.c -o foo/blah.o.
 # In stage2 and beyond, we force this to "-o $@" since we know we're using gcc.
 OUTPUT_OPTION = @OUTPUT_OPTION@
@@ -371,11 +377,7 @@ STRIP_FOR_TARGET := $(shell \
 
 # Where to find some libiberty headers.
 HASHTAB_H   = $(srcdir)/../include/hashtab.h
-OBSTACK_H   = $(srcdir)/../include/obstack.h
 SPLAY_TREE_H= $(srcdir)/../include/splay-tree.h
-FIBHEAP_H   = $(srcdir)/../include/fibheap.h
-PARTITION_H = $(srcdir)/../include/partition.h
-MD5_H	    = $(srcdir)/../include/md5.h
 
 # Default native SYSTEM_HEADER_DIR, to be overridden by targets.
 NATIVE_SYSTEM_HEADER_DIR = /usr/include
@@ -723,13 +725,27 @@ SPECS = specs
 # GTM_H lists the config files that the generator files depend on,
 # while TM_H lists the ones ordinary gcc files depend on, which
 # includes several files generated by those generators.
-BCONFIG_H = bconfig.h $(build_xm_file_list)
 CONFIG_H  = config.h  $(host_xm_file_list)
 TCONFIG_H = tconfig.h $(xm_file_list)
 TM_P_H    = tm_p.h    $(tm_p_file_list)
 GTM_H     = tm.h      $(tm_file_list)
 TM_H      = $(GTM_H) insn-constants.h insn-flags.h options.h
 
+# All generated headers which might be needed while building xgcc
+# itself.  Generated headers needed by build tools and the like should
+# not be mentioned here.
+simple_generated_h = insn-attr.h insn-codes.h insn-config.h insn-flags.h
+
+simple_generated_c = insn-attrtab.c insn-automata.c insn-emit.c \
+		     insn-extract.c insn-opinit.c insn-output.c \
+		     insn-peep.c insn-recog.c
+
+generated_files = config.h tm.h $(TM_P_H) $(TM_H) multilib.h \
+	$(simple_generated_h) $(simple_generated_c) specs.h \
+	tree-check.h genrtl.h insn-modes.h tm-preds.h tm-constrs.h \
+	$(ALL_GTFILES_H) gtype-desc.c gtype-desc.h gcov-iov.h
+
+
 # Variables for version information.
 BASEVER     := $(srcdir)/BASE-VER  # 4.x.y
 DEVPHASE    := $(srcdir)/DEV-PHASE # experimental, prerelease, ""
@@ -768,82 +784,9 @@ else
 REVISION_s  :=
 endif
 
-# Shorthand variables for dependency lists.
-TARGET_H = $(TM_H) target.h insn-modes.h
-MACHMODE_H = machmode.h mode-classes.def insn-modes.h
-HOOKS_H = hooks.h $(MACHMODE_H)
-HOSTHOOKS_DEF_H = hosthooks-def.h $(HOOKS_H)
-LANGHOOKS_DEF_H = langhooks-def.h $(HOOKS_H)
-TARGET_DEF_H = target-def.h $(HOOKS_H)
-RTL_BASE_H = rtl.h rtl.def $(MACHMODE_H) reg-notes.def insn-notes.def \
-  input.h $(REAL_H) statistics.h vec.h fixed-value.h alias.h
-RTL_H = $(RTL_BASE_H) genrtl.h
-PARAMS_H = params.h params.def
-BUILTINS_DEF = builtins.def sync-builtins.def omp-builtins.def
-TREE_H = tree.h tree.def $(MACHMODE_H) tree-check.h $(BUILTINS_DEF) \
-          input.h statistics.h vec.h treestruct.def $(HASHTAB_H) \
-          double-int.h alias.h
-BASIC_BLOCK_H = basic-block.h bitmap.h sbitmap.h varray.h $(PARTITION_H) \
-          hard-reg-set.h $(PREDICT_H) vec.h $(FUNCTION_H) \
-          cfghooks.h $(OBSTACK_H)
-GCOV_IO_H = gcov-io.h gcov-iov.h auto-host.h
-COVERAGE_H = coverage.h $(GCOV_IO_H)
-DEMANGLE_H = $(srcdir)/../include/demangle.h
-RECOG_H = recog.h
-ALIAS_H = alias.h coretypes.h
-EMIT_RTL_H = emit-rtl.h
-FLAGS_H = flags.h options.h
-FUNCTION_H = function.h $(TREE_H) $(HASHTAB_H)
-EXPR_H = expr.h insn-config.h $(FUNCTION_H) $(RTL_H) $(FLAGS_H) $(TREE_H) $(MACHMODE_H) $(EMIT_RTL_H)
-OPTABS_H = optabs.h insn-codes.h
-REGS_H = regs.h varray.h $(MACHMODE_H) $(OBSTACK_H) $(BASIC_BLOCK_H) $(FUNCTION_H)
-RA_H = ra.h $(REGS_H)
-RESOURCE_H = resource.h hard-reg-set.h
-SCHED_INT_H = sched-int.h $(INSN_ATTR_H) $(BASIC_BLOCK_H) $(RTL_H) $(DF_H)
-INTEGRATE_H = integrate.h $(VARRAY_H)
-CFGLAYOUT_H = cfglayout.h $(BASIC_BLOCK_H)
-CFGLOOP_H = cfgloop.h $(BASIC_BLOCK_H) $(RTL_H) vecprim.h double-int.h
-IPA_UTILS_H = ipa-utils.h $(TREE_H) $(CGRAPH_H)
-IPA_REFERENCE_H = ipa-reference.h bitmap.h $(TREE_H)
-IPA_TYPE_ESCAPE_H = ipa-type-escape.h $(TREE_H)
-CGRAPH_H = cgraph.h $(TREE_H)
-DF_H = df.h bitmap.h $(BASIC_BLOCK_H) alloc-pool.h
-RESOURCE_H = resource.h hard-reg-set.h $(DF_H)
-DDG_H = ddg.h sbitmap.h $(DF_H)
-GCC_H = gcc.h version.h
-GGC_H = ggc.h gtype-desc.h
-TIMEVAR_H = timevar.h timevar.def
-INSN_ATTR_H = insn-attr.h $(srcdir)/insn-addr.h $(srcdir)/varray.h
-C_COMMON_H = c-common.h $(SPLAY_TREE_H) $(CPPLIB_H) $(GGC_H)
-C_PRAGMA_H = c-pragma.h $(CPPLIB_H)
-C_TREE_H = c-tree.h $(C_COMMON_H) toplev.h $(DIAGNOSTIC_H)
-SYSTEM_H = system.h hwint.h $(srcdir)/../include/libiberty.h
-PREDICT_H = predict.h predict.def
 CPPLIB_H = $(srcdir)/../libcpp/include/line-map.h \
 	$(srcdir)/../libcpp/include/cpplib.h
-DECNUM_H = $(DECNUM)/decContext.h $(DECNUM)/decDPD.h $(DECNUM)/decNumber.h \
-	$(DECNUMFMT)/decimal32.h $(DECNUMFMT)/decimal64.h \
-	$(DECNUMFMT)/decimal128.h $(DECNUMFMT)/decimal128Local.h
-MKDEPS_H = $(srcdir)/../libcpp/include/mkdeps.h
-SYMTAB_H = $(srcdir)/../libcpp/include/symtab.h
 CPP_ID_DATA_H = $(CPPLIB_H) $(srcdir)/../libcpp/include/cpp-id-data.h
-TREE_DUMP_H = tree-dump.h $(SPLAY_TREE_H)
-TREE_GIMPLE_H = tree-gimple.h tree-iterator.h
-TREE_FLOW_H = tree-flow.h tree-flow-inline.h tree-ssa-operands.h \
-		bitmap.h $(BASIC_BLOCK_H) hard-reg-set.h $(TREE_GIMPLE_H) \
-		$(HASHTAB_H) $(CGRAPH_H) $(IPA_REFERENCE_H)
-TREE_SSA_LIVE_H = tree-ssa-live.h $(PARTITION_H) vecprim.h
-PRETTY_PRINT_H = pretty-print.h input.h $(OBSTACK_H)
-DIAGNOSTIC_H = diagnostic.h diagnostic.def $(PRETTY_PRINT_H) options.h
-C_PRETTY_PRINT_H = c-pretty-print.h $(PRETTY_PRINT_H) $(C_COMMON_H) $(TREE_H)
-SCEV_H = tree-scalar-evolution.h $(GGC_H) tree-chrec.h $(PARAMS_H)
-LAMBDA_H = lambda.h $(TREE_H) vec.h $(GGC_H)
-TREE_DATA_REF_H = tree-data-ref.h $(LAMBDA_H) omega.h graphds.h tree-chrec.h
-VARRAY_H = varray.h $(MACHMODE_H) $(SYSTEM_H) coretypes.h $(TM_H)
-TREE_INLINE_H = tree-inline.h $(VARRAY_H) pointer-set.h
-REAL_H = real.h $(MACHMODE_H)
-DBGCNT_H = dbgcnt.h dbgcnt.def
-EBIMAP_H = ebitmap.h sbitmap.h
 
 #
 # Now figure out from those variables how to compile and link.
@@ -904,8 +847,16 @@ INCLUDES = -I. -I$(@D) -I$(srcdir) -I$(srcdir)/$(@D) \
 	   -I$(srcdir)/../include @INCINTL@ \
 	   $(CPPINC) $(GMPINC) $(DECNUMINC)
 
-.c.o:
-	$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $< $(OUTPUT_OPTION)
+COMPILE.base = $(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) -o $@
+ifeq ($(CCDEPMODE),depmode=gcc3)
+COMPILE = $(COMPILE.base) -MT $@ -MMD -MP -MF $(*D)/$(DEPDIR)/$(*F).Po
+else
+COMPILE = source='$<' object='$@' libtool=no \
+    DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) $(COMPILE.base)
+endif
+
+%.o: %.c
+	$(COMPILE) $<
 
 #
 # Support for additional languages (other than C).
@@ -1255,6 +1206,15 @@ OBJS = $(OBJS-common) $(OBJS-md) $(OBJS-archive)
 
 OBJS-onestep = libbackend.o $(OBJS-archive)
 
+# This lists all host object files, whether they are included in this
+# compilation or not.  This is used for dependency tracking.
+ALL_HOST_OBJS = $(GCC_OBJS) $(C_OBJS) $(OBJS) libbackend.o \
+  @TREEBROWSER@ main.o gccspec.o version.o intl.o prefix.o cppspec.o \
+  $(foreach v,$(CONFIG_LANGUAGES),$($(v)_OBJS)) \
+  $(COLLECT2_OBJS) $(EXTRA_GCC_OBJS) \
+  mips-tfile.o mips-tdump.o \
+  $(PROTO_OBJS) $(GCOV_OBJS) $(GCOV_DUMP_OBJS)
+
 BACKEND = main.o @TREEBROWSER@ libbackend.a $(CPPLIB) $(LIBDECNUMBER)
 
 MOSTLYCLEANFILES = insn-flags.h insn-config.h insn-codes.h \
@@ -1373,7 +1333,7 @@ endif
 #	$(RUN_GEN) build/gencheck$(build_exeext) > tree-check.h
 #
 # but tree-check.h doesn't change every time gencheck changes. It would the
-# nice if targets that depend on tree-check.h wouldn't be rebuild
+# nice if targets that depend on tree-check.h wouldn't be rebuilt
 # unnecessarily when tree-check.h is unchanged. To make this, tree-check.h
 # must not be overwritten with a identical copy. One solution is to use a
 # temporary file
@@ -1532,7 +1492,7 @@ libbackend.a: $(OBJS@onestep@)
 # to avoid confusion if the current directory is in the path
 # and CC is `gcc'.  It is renamed to `gcc' when it is installed.
 xgcc$(exeext): $(GCC_OBJS) gccspec.o version.o intl.o prefix.o \
-   version.o $(LIBDEPS) $(EXTRA_GCC_OBJS)
+   $(LIBDEPS) $(EXTRA_GCC_OBJS)
 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(GCC_OBJS) gccspec.o \
 	  intl.o prefix.o version.o $(EXTRA_GCC_OBJS) $(LIBS)
 
@@ -1540,7 +1500,7 @@ xgcc$(exeext): $(GCC_OBJS) gccspec.o version.o intl.o prefix.o \
 # The only difference from xgcc is that it's linked with cppspec.o
 # instead of gccspec.o.
 cpp$(exeext): $(GCC_OBJS) cppspec.o version.o intl.o prefix.o \
-   version.o $(LIBDEPS) $(EXTRA_GCC_OBJS)
+   $(LIBDEPS) $(EXTRA_GCC_OBJS)
 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(GCC_OBJS) cppspec.o \
 	  intl.o prefix.o version.o $(EXTRA_GCC_OBJS) $(LIBS)
 
@@ -1555,8 +1515,6 @@ $(SPECS): xgcc$(exeext)
 gcc-cross$(exeext): xgcc$(exeext)
 	cp xgcc$(exeext) gcc-cross$(exeext)
 
-dummy-checksum.o : dummy-checksum.c
-
 cc1-dummy$(exeext): $(C_OBJS) dummy-checksum.o $(BACKEND) $(LIBDEPS)
 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(C_OBJS) dummy-checksum.o \
 	  $(BACKEND) $(LIBS) $(GMPLIBS)
@@ -1564,8 +1522,6 @@ cc1-dummy$(exeext): $(C_OBJS) dummy-checksum.o $(BACKEND) $(LIBDEPS)
 cc1-checksum.c : cc1-dummy$(exeext) build/genchecksum$(build_exeext)
 	build/genchecksum$(build_exeext) cc1-dummy$(exeext) > $@
 
-cc1-checksum.o : cc1-checksum.c
-
 cc1$(exeext): $(C_OBJS) cc1-checksum.o $(BACKEND) $(LIBDEPS)
 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(C_OBJS) cc1-checksum.o \
 	  $(BACKEND) $(LIBS) $(GMPLIBS)
@@ -1710,72 +1666,11 @@ s-crt0:	$(CRT0_S) $(MCRT0_S) $(GCC_PASSES) $(CONFIG_H)
 #
 # Compiling object files from source files.
 
-# Note that dependencies on obstack.h are not written
-# because that file is not part of GCC.
-
-# C language specific files.
-
-c-errors.o: c-errors.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
-    $(C_TREE_H) $(FLAGS_H) $(DIAGNOSTIC_H) $(TM_P_H)
-c-parser.o : c-parser.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
-    $(GGC_H) $(TIMEVAR_H) $(C_TREE_H) input.h $(FLAGS_H) toplev.h output.h \
-    $(CPPLIB_H) gt-c-parser.h langhooks.h $(C_COMMON_H) $(C_PRAGMA_H) \
-    vec.h $(TARGET_H)
-
 srcextra: gcc.srcextra lang.srcextra
 
 gcc.srcextra: gengtype-lex.c
 	-cp -p $^ $(srcdir)
 
-c-incpath.o: c-incpath.c c-incpath.h $(CONFIG_H) $(SYSTEM_H) $(CPPLIB_H) \
-		intl.h prefix.h coretypes.h $(TM_H) cppdefault.h $(TARGET_H) \
-		$(MACHMODE_H)
-
-c-decl.o : c-decl.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
-    $(RTL_H) $(C_TREE_H) $(GGC_H) $(TARGET_H) $(FLAGS_H) $(FUNCTION_H) output.h \
-    $(EXPR_H) debug.h toplev.h intl.h $(TM_P_H) $(TREE_INLINE_H) $(TIMEVAR_H) \
-    opts.h $(C_PRAGMA_H) gt-c-decl.h $(CGRAPH_H) $(HASHTAB_H) libfuncs.h \
-    except.h $(LANGHOOKS_DEF_H) $(TREE_DUMP_H) $(C_COMMON_H) $(CPPLIB_H) \
-    $(DIAGNOSTIC_H) input.h langhooks.h $(TREE_GIMPLE_H) tree-mudflap.h  \
-    pointer-set.h
-c-typeck.o : c-typeck.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-    $(TREE_H) $(C_TREE_H) $(TARGET_H) $(FLAGS_H) intl.h output.h $(EXPR_H) \
-    $(RTL_H) toplev.h $(TM_P_H) langhooks.h $(GGC_H) $(TREE_FLOW_H) \
-    $(TREE_GIMPLE_H) tree-iterator.h
-c-lang.o : c-lang.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
-    $(C_TREE_H) $(DIAGNOSTIC_H) \
-    $(GGC_H) langhooks.h $(LANGHOOKS_DEF_H) $(C_COMMON_H) gtype-c.h \
-    c-objc-common.h $(C_PRAGMA_H) c-common.def $(TREE_INLINE_H)
-stub-objc.o : stub-objc.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TREE_H) \
-    $(C_COMMON_H)
-c-lex.o : c-lex.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
-    $(RTL_H) debug.h $(C_TREE_H) $(C_COMMON_H) $(REAL_H) $(SPLAY_TREE_H) \
-    $(C_PRAGMA_H) input.h intl.h $(FLAGS_H) toplev.h output.h \
-    $(CPPLIB_H) $(TARGET_H) $(TIMEVAR_H) $(TM_P_H)
-c-ppoutput.o : c-ppoutput.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-    $(C_COMMON_H) $(TREE_H) $(CPPLIB_H) $(srcdir)/../libcpp/internal.h \
-    $(C_PRAGMA_H)
-c-objc-common.o : c-objc-common.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
-    $(TM_H) $(TREE_H) $(C_TREE_H) $(RTL_H) insn-config.h $(INTEGRATE_H) \
-    $(FUNCTION_H) $(FLAGS_H) toplev.h $(TREE_INLINE_H) $(DIAGNOSTIC_H) $(VARRAY_H) \
-    langhooks.h $(GGC_H) $(TARGET_H) $(C_PRETTY_PRINT_H) c-objc-common.h \
-    tree-mudflap.h
-c-aux-info.o : c-aux-info.c  $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
-    $(C_TREE_H) $(FLAGS_H) toplev.h
-c-convert.o : c-convert.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-    $(TREE_H) $(FLAGS_H) toplev.h $(C_COMMON_H) convert.h $(C_TREE_H) \
-    langhooks.h $(TARGET_H)
-c-pragma.o: c-pragma.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
-    $(TREE_H) $(FUNCTION_H) $(C_PRAGMA_H) toplev.h output.h $(GGC_H) $(TM_P_H) \
-    $(C_COMMON_H) $(TARGET_H) gt-c-pragma.h $(CPPLIB_H) $(FLAGS_H)
-graph.o: graph.c $(SYSTEM_H) coretypes.h $(TM_H) toplev.h $(FLAGS_H) output.h \
-    $(RTL_H) $(FUNCTION_H) hard-reg-set.h $(BASIC_BLOCK_H) graph.h $(OBSTACK_H)
-sbitmap.o: sbitmap.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
-    $(FLAGS_H) hard-reg-set.h $(BASIC_BLOCK_H) $(OBSTACK_H)
-ebitmap.o: ebitmap.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-	$(EBITMAP_H)
-sparseset.o: sparseset.c $(SYSTEM_H) sparseset.h
-
 COLLECT2_OBJS = collect2.o tlink.o intl.o version.o
 COLLECT2_LIBS = @COLLECT2_LIBS@
 collect2$(exeext): $(COLLECT2_OBJS) $(LIBDEPS)
@@ -1784,71 +1679,18 @@ collect2$(exeext): $(COLLECT2_OBJS) $(LIBDEPS)
 		$(COLLECT2_OBJS) $(LIBS) $(COLLECT2_LIBS)
 	mv -f T$@ $@
 
-collect2.o : collect2.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) intl.h \
-	$(OBSTACK_H) $(DEMANGLE_H) collect2.h version.h
-	$(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS)  \
-	-DTARGET_MACHINE=\"$(target_noncanonical)\" \
-	-c $(srcdir)/collect2.c $(OUTPUT_OPTION)
-
-tlink.o: tlink.c $(DEMANGLE_H) $(HASHTAB_H) $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-    $(OBSTACK_H) collect2.h intl.h
-
-# A file used by all variants of C.
-
-c-common.o : c-common.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
-	$(OBSTACK_H) $(C_COMMON_H) $(FLAGS_H) toplev.h output.h $(C_PRAGMA_H) \
-	$(GGC_H) $(EXPR_H) $(TM_P_H) builtin-types.def builtin-attrs.def \
-	$(DIAGNOSTIC_H) gt-c-common.h langhooks.h $(VARRAY_H) $(RTL_H) \
-	$(TARGET_H) $(C_TREE_H) tree-iterator.h langhooks.h tree-mudflap.h \
-	intl.h opts.h $(REAL_H) $(CPPLIB_H) $(TREE_INLINE_H) $(HASHTAB_H) \
-	$(BUILTINS_DEF)
-
-c-pretty-print.o : c-pretty-print.c $(C_PRETTY_PRINT_H) \
-	$(C_TREE_H) $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(REAL_H) \
-	$(DIAGNOSTIC_H) tree-iterator.h fixed-value.h
-
-c-opts.o : c-opts.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H)		\
-        $(TREE_H) $(C_PRAGMA_H) $(FLAGS_H) toplev.h langhooks.h		\
-        $(TREE_INLINE_H) $(DIAGNOSTIC_H) intl.h debug.h $(C_COMMON_H)	\
-        opts.h options.h $(MKDEPS_H) c-incpath.h cppdefault.h $(TM_P_H)
-	$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
-		$< $(OUTPUT_OPTION) @TARGET_SYSTEM_ROOT_DEFINE@
-
-c-cppbuiltin.o : c-cppbuiltin.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-	$(TREE_H) version.h $(C_COMMON_H) $(C_PRAGMA_H) $(FLAGS_H) toplev.h \
-	output.h except.h $(REAL_H) $(TARGET_H) $(TM_P_H)
-
-# A file used by all variants of C and some other languages.
-
-attribs.o : attribs.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
-	$(FLAGS_H) toplev.h output.h $(RTL_H) $(GGC_H) $(TM_P_H) \
-	$(TARGET_H) langhooks.h $(CPPLIB_H)
-
-c-format.o : c-format.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) langhooks.h \
-	$(C_COMMON_H) $(FLAGS_H) toplev.h intl.h $(DIAGNOSTIC_H) alloc-pool.h \
-	c-format.h
-
-c-semantics.o : c-semantics.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-	$(TREE_H) $(FLAGS_H) toplev.h output.h $(RTL_H) $(GGC_H) \
-	$(PREDICT_H) $(TREE_INLINE_H) $(C_COMMON_H) except.h $(FUNCTION_H) \
-	langhooks.h $(SPLAY_TREE_H) $(TIMEVAR_H) $(TREE_GIMPLE_H) \
-	$(VARRAY_H)
-
-c-dump.o : c-dump.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
-	$(C_TREE_H) $(TREE_DUMP_H)
-
-c-pch.o : c-pch.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(CPPLIB_H) $(TREE_H) \
-	$(C_COMMON_H) output.h toplev.h $(C_PRAGMA_H) $(GGC_H) debug.h \
-	langhooks.h $(FLAGS_H) hosthooks.h version.h $(TARGET_H)
-	$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
-	  -DHOST_MACHINE=\"$(host)\" -DTARGET_MACHINE=\"$(target)\" \
-	  $< $(OUTPUT_OPTION)
-
-c-omp.o : c-omp.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
-	$(FUNCTION_H) $(C_COMMON_H) toplev.h $(TREE_GIMPLE_H)
-
 # Language-independent files.
 
+ifneq ($(SHLIB_LINK),)
+ifeq (@enable_shared@,yes)
+DRIVER_SHLIB = -DENABLE_SHARED_LIBGCC
+else
+DRIVER_SHLIB =
+endif
+else
+DRIVER_SHLIB =
+endif
+
 DRIVER_DEFINES = \
   -DSTANDARD_STARTFILE_PREFIX=\"$(unlibsubdir)/\" \
   -DSTANDARD_EXEC_PREFIX=\"$(libdir)/gcc/\" \
@@ -1859,23 +1701,7 @@ DRIVER_DEFINES = \
   -DTOOLDIR_BASE_PREFIX=\"$(libsubdir_to_prefix)$(prefix_to_exec_prefix)\" \
   @TARGET_SYSTEM_ROOT_DEFINE@ \
   $(VALGRIND_DRIVER_DEFINES) \
-  `test "X$${SHLIB_LINK}" = "X" || test "@enable_shared@" != "yes" || echo "-DENABLE_SHARED_LIBGCC"`
-
-gcc.o: gcc.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) intl.h multilib.h \
-    Makefile $(lang_specs_files) specs.h prefix.h $(GCC_H) $(FLAGS_H) \
-    configargs.h $(OBSTACK_H) opts.h
-	(SHLIB_LINK='$(SHLIB_LINK)'; \
-	$(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
-  $(DRIVER_DEFINES) \
-  -c $(srcdir)/gcc.c $(OUTPUT_OPTION))
-
-gccspec.o: gccspec.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(GCC_H)
-	(SHLIB_LINK='$(SHLIB_LINK)'; \
-	$(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
-  $(DRIVER_DEFINES) \
-  -c $(srcdir)/gccspec.c $(OUTPUT_OPTION))
-
-cppspec.o: cppspec.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(GCC_H)
+  $(DRIVER_SHLIB)
 
 gencheck.h : s-gencheck ; @true
 s-gencheck : Makefile
@@ -1910,1018 +1736,15 @@ s-options-h: optionlist $(srcdir)/opt-functions.awk $(srcdir)/opth-gen.awk
 	$(SHELL) $(srcdir)/../move-if-change tmp-options.h options.h
 	$(STAMP) $@
 
-options.o: options.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) opts.h intl.h
-
-gcc-options.o: options.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) opts.h intl.h
-	$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(OUTPUT_OPTION) -DGCC_DRIVER options.c
-
 dumpvers: dumpvers.c
 
-ifdef REVISION_s
-version.o: version.c version.h $(REVISION) $(DATESTAMP) $(BASEVER) $(DEVPHASE)
-else
-version.o: version.c version.h $(DATESTAMP) $(BASEVER) $(DEVPHASE)
-endif
-	$(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
-	-DBASEVER=$(BASEVER_s) -DDATESTAMP=$(DATESTAMP_s) \
-	-DREVISION=$(REVISION_s) \
-	-DDEVPHASE=$(DEVPHASE_s) -DPKGVERSION=$(PKGVERSION_s) \
-	-DBUGURL=$(BUGURL_s) -c $(srcdir)/version.c $(OUTPUT_OPTION)
-
-gtype-desc.o: gtype-desc.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-	$(VARRAY_H) $(HASHTAB_H) $(SPLAY_TREE_H) bitmap.h $(TREE_H) $(RTL_H) \
-	$(FUNCTION_H) insn-config.h $(EXPR_H) hard-reg-set.h $(BASIC_BLOCK_H) \
-	cselib.h insn-addr.h $(OPTABS_H) libfuncs.h debug.h $(GGC_H) \
-	$(CGRAPH_H) $(TREE_FLOW_H) reload.h $(CPP_ID_DATA_H)
-
-ggc-common.o: ggc-common.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(GGC_H) \
-	$(HASHTAB_H) toplev.h $(PARAMS_H) hosthooks.h $(HOSTHOOKS_DEF_H)
-
-ggc-page.o: ggc-page.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) $(TREE_H) \
-	$(FLAGS_H) toplev.h $(GGC_H) $(TIMEVAR_H) $(TM_P_H) $(PARAMS_H) $(TREE_FLOW_H)
-
-ggc-zone.o: ggc-zone.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
-	$(TREE_H) $(FLAGS_H) toplev.h $(GGC_H) $(TIMEVAR_H) $(TM_P_H) \
-	$(PARAMS_H) bitmap.h $(VARRAY_H)
-
-ggc-none.o: ggc-none.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(GGC_H) \
-	$(BCONFIG_H)
-
-stringpool.o: stringpool.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-	$(TREE_H) $(GGC_H) gt-stringpool.h $(CPPLIB_H) $(SYMTAB_H)
-
-prefix.o: prefix.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) prefix.h \
-	Makefile $(BASEVER)
-	$(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
-	-DPREFIX=\"$(prefix)\" -DBASEVER=$(BASEVER_s) \
-	  -c $(srcdir)/prefix.c $(OUTPUT_OPTION)
-
-convert.o: convert.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
-   $(FLAGS_H) convert.h toplev.h langhooks.h $(REAL_H) fixed-value.h
-
-double-int.o: double-int.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H)
-
-langhooks.o : langhooks.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-   $(TREE_H) toplev.h $(TREE_INLINE_H) $(RTL_H) insn-config.h $(INTEGRATE_H) \
-   langhooks.h $(LANGHOOKS_DEF_H) $(FLAGS_H) $(GGC_H) $(DIAGNOSTIC_H) intl.h \
-   $(TREE_GIMPLE_H)
-tree.o : tree.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
-   $(FLAGS_H) $(FUNCTION_H) $(PARAMS_H) \
-   toplev.h $(GGC_H) $(HASHTAB_H) $(TARGET_H) output.h $(TM_P_H) langhooks.h \
-   $(REAL_H) gt-tree.h tree-iterator.h $(BASIC_BLOCK_H) $(TREE_FLOW_H) \
-   $(OBSTACK_H) pointer-set.h fixed-value.h
-tree-dump.o: tree-dump.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-   $(TREE_H) langhooks.h toplev.h $(SPLAY_TREE_H) $(TREE_DUMP_H) \
-   tree-iterator.h tree-pass.h $(DIAGNOSTIC_H) $(REAL_H) fixed-value.h
-tree-inline.o : tree-inline.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-   $(TREE_H) $(RTL_H) $(EXPR_H) $(FLAGS_H) $(PARAMS_H) input.h insn-config.h \
-   $(VARRAY_H) $(HASHTAB_H) $(SPLAY_TREE_H) toplev.h \
-   langhooks.h $(TREE_INLINE_H) $(CGRAPH_H) intl.h $(FUNCTION_H) $(TREE_GIMPLE_H) \
-   debug.h $(DIAGNOSTIC_H) $(TREE_FLOW_H) tree-iterator.h tree-mudflap.h \
-   ipa-prop.h value-prof.h $(TARGET_H) $(INTEGRATE_H)
-print-tree.o : print-tree.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
-   $(GGC_H) langhooks.h $(REAL_H) tree-iterator.h fixed-value.h
-stor-layout.o : stor-layout.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-   $(TREE_H) $(PARAMS_H) $(FLAGS_H) $(FUNCTION_H) $(EXPR_H) $(RTL_H) \
-   $(GGC_H) $(TM_P_H) $(TARGET_H) langhooks.h $(REGS_H) gt-stor-layout.h \
-   toplev.h
-tree-ssa-structalias.o: tree-ssa-structalias.c tree-ssa-structalias.h \
-   $(SYSTEM_H) $(CONFIG_H) $(GGC_H) $(TREE_H) $(TREE_FLOW_H) \
-   $(TM_H) coretypes.h $(CGRAPH_H) tree-pass.h $(TIMEVAR_H) \
-   gt-tree-ssa-structalias.h $(PARAMS_H) $(ALIAS_H) pointer-set.h $(FUNCTION_H)
-tree-ssa.o : tree-ssa.c $(TREE_FLOW_H) $(CONFIG_H) $(SYSTEM_H) \
-   $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) output.h $(DIAGNOSTIC_H) \
-   toplev.h $(FUNCTION_H) $(TIMEVAR_H) $(TM_H) coretypes.h \
-   $(TREE_DUMP_H) langhooks.h tree-pass.h $(BASIC_BLOCK_H) bitmap.h \
-   $(FLAGS_H) $(GGC_H) hard-reg-set.h $(HASHTAB_H) pointer-set.h \
-   $(TREE_GIMPLE_H) $(TREE_INLINE_H) $(VARRAY_H)
-tree-into-ssa.o : tree-into-ssa.c $(TREE_FLOW_H) $(CONFIG_H) $(SYSTEM_H) \
-   $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) output.h $(DIAGNOSTIC_H) \
-   $(FUNCTION_H) $(TIMEVAR_H) $(TM_H) coretypes.h $(TREE_DUMP_H) \
-   langhooks.h domwalk.h tree-pass.h $(GGC_H) $(PARAMS_H) $(BASIC_BLOCK_H) \
-   bitmap.h $(CFGLOOP_H) $(FLAGS_H) hard-reg-set.h $(HASHTAB_H) \
-   $(TREE_GIMPLE_H) $(TREE_INLINE_H) $(VARRAY_H) vecprim.h
-tree-ssa-ter.o : tree-ssa-ter.c $(TREE_FLOW_H) $(CONFIG_H) $(SYSTEM_H) \
-   $(TREE_H) $(DIAGNOSTIC_H) $(TM_H) coretypes.h $(TREE_DUMP_H) \
-   $(TREE_SSA_LIVE_H) bitmap.h
-tree-ssa-coalesce.o : tree-ssa-coalesce.c $(TREE_FLOW_H) $(CONFIG_H) \
-   $(SYSTEM_H) $(TREE_H) $(DIAGNOSTIC_H) $(TM_H) coretypes.h $(TREE_DUMP_H) \
-   $(TREE_SSA_LIVE_H) bitmap.h $(FLAGS_H) $(HASHTAB_H) toplev.h
-tree-outof-ssa.o : tree-outof-ssa.c $(TREE_FLOW_H) $(CONFIG_H) $(SYSTEM_H) \
-   $(TREE_H) $(DIAGNOSTIC_H) $(TIMEVAR_H) $(TM_H) coretypes.h $(TREE_DUMP_H) \
-   tree-pass.h $(TREE_SSA_LIVE_H) $(BASIC_BLOCK_H) bitmap.h $(GGC_H) toplev.h
-tree-ssa-dse.o : tree-ssa-dse.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
-   $(TM_H) $(GGC_H) $(TREE_H) $(RTL_H) $(TM_P_H) $(BASIC_BLOCK_H) \
-   $(TREE_FLOW_H) tree-pass.h $(TREE_DUMP_H) domwalk.h $(FLAGS_H) \
-   $(DIAGNOSTIC_H) $(TIMEVAR_H)
-tree-ssa-forwprop.o : tree-ssa-forwprop.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
-   $(TM_H) $(GGC_H) $(TREE_H) $(RTL_H) $(TM_P_H) $(BASIC_BLOCK_H) \
-   $(TREE_FLOW_H) tree-pass.h $(TREE_DUMP_H) $(DIAGNOSTIC_H) $(TIMEVAR_H) \
-   langhooks.h $(FLAGS_H)
-tree-ssa-phiprop.o : tree-ssa-forwprop.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
-   $(TM_H) $(GGC_H) $(TREE_H) $(RTL_H) $(TM_P_H) $(BASIC_BLOCK_H) \
-   $(TREE_FLOW_H) tree-pass.h $(TREE_DUMP_H) $(DIAGNOSTIC_H) $(TIMEVAR_H) \
-   langhooks.h $(FLAGS_H)
-tree-ssa-ifcombine.o : tree-ssa-ifcombine.c $(CONFIG_H) $(SYSTEM_H) \
-   coretypes.h $(TM_H) $(TREE_H) $(BASIC_BLOCK_H) \
-   $(TREE_FLOW_H) tree-pass.h $(TREE_DUMP_H) $(DIAGNOSTIC_H) $(TIMEVAR_H)
-tree-ssa-phiopt.o : tree-ssa-phiopt.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
-   $(TM_H) $(GGC_H) $(TREE_H) $(RTL_H) $(TM_P_H) $(BASIC_BLOCK_H) \
-   $(TREE_FLOW_H) tree-pass.h $(TREE_DUMP_H) langhooks.h $(FLAGS_H) \
-   $(DIAGNOSTIC_H) $(TIMEVAR_H)
-tree-nrv.o : tree-nrv.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
-   $(TM_H) $(TREE_H) $(RTL_H) $(FUNCTION_H) $(BASIC_BLOCK_H) $(EXPR_H) \
-   $(DIAGNOSTIC_H) $(TREE_FLOW_H) $(TIMEVAR_H) $(TREE_DUMP_H) tree-pass.h \
-   langhooks.h
-tree-ssa-copy.o : tree-ssa-copy.c $(TREE_FLOW_H) $(CONFIG_H) $(SYSTEM_H) \
-   $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h $(DIAGNOSTIC_H) \
-   $(FUNCTION_H) $(TIMEVAR_H) $(TM_H) coretypes.h $(TREE_DUMP_H) \
-   $(BASIC_BLOCK_H) tree-pass.h langhooks.h tree-ssa-propagate.h $(FLAGS_H)
-tree-ssa-propagate.o : tree-ssa-propagate.c $(TREE_FLOW_H) $(CONFIG_H) \
-   $(SYSTEM_H) $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h \
-   $(DIAGNOSTIC_H) $(FUNCTION_H) $(TIMEVAR_H) $(TM_H) coretypes.h \
-   $(TREE_DUMP_H) $(BASIC_BLOCK_H) tree-pass.h langhooks.h \
-   tree-ssa-propagate.h vec.h gt-tree-ssa-propagate.h $(FLAGS_H) $(VARRAY_H)
-tree-ssa-dom.o : tree-ssa-dom.c $(TREE_FLOW_H) $(CONFIG_H) $(SYSTEM_H) \
-   $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h $(DIAGNOSTIC_H) \
-   $(FUNCTION_H) $(TIMEVAR_H) $(TM_H) coretypes.h $(TREE_DUMP_H) \
-   $(BASIC_BLOCK_H) domwalk.h tree-pass.h $(FLAGS_H) langhooks.h \
-   tree-ssa-propagate.h $(CFGLOOP_H) $(PARAMS_H) $(REAL_H)
-tree-ssa-uncprop.o : tree-ssa-uncprop.c $(TREE_FLOW_H) $(CONFIG_H) \
-   $(SYSTEM_H) $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h \
-   $(DIAGNOSTIC_H) $(FUNCTION_H) $(TIMEVAR_H) $(TM_H) coretypes.h \
-   $(TREE_DUMP_H) $(BASIC_BLOCK_H) domwalk.h tree-pass.h $(FLAGS_H) \
-   langhooks.h tree-ssa-propagate.h $(REAL_H)
-tree-ssa-threadedge.o : tree-ssa-threadedge.c $(TREE_FLOW_H) $(CONFIG_H) \
-   $(SYSTEM_H) $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h \
-   $(DIAGNOSTIC_H) $(FUNCTION_H) $(TM_H) coretypes.h $(TREE_DUMP_H) \
-   $(BASIC_BLOCK_H) $(FLAGS_H) tree-pass.h $(CFGLOOP_H)
-tree-ssa-threadupdate.o : tree-ssa-threadupdate.c $(TREE_FLOW_H) $(CONFIG_H) \
-   $(SYSTEM_H) $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h \
-   $(DIAGNOSTIC_H) $(FUNCTION_H) $(TM_H) coretypes.h $(TREE_DUMP_H) \
-   $(BASIC_BLOCK_H) $(FLAGS_H) tree-pass.h $(CFGLOOP_H)
-tree-ssanames.o : tree-ssanames.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
-   $(TM_H) $(TREE_H) $(VARRAY_H) $(GGC_H) $(TREE_FLOW_H)
-tree-phinodes.o : tree-phinodes.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
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-bt-load.o : bt-load.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) except.h \
-   $(RTL_H) hard-reg-set.h $(REGS_H) $(TM_P_H) $(FIBHEAP_H) output.h $(EXPR_H) \
-   $(TARGET_H) $(FLAGS_H) $(INSN_ATTR_H) $(FUNCTION_H) tree-pass.h toplev.h \
-   $(DF_H) $(GGC_H)
-reorg.o : reorg.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
-   conditions.h hard-reg-set.h $(BASIC_BLOCK_H) $(REGS_H) insn-config.h \
-   $(INSN_ATTR_H) except.h $(RECOG_H) $(FUNCTION_H) $(FLAGS_H) output.h \
-   $(EXPR_H) toplev.h $(PARAMS_H) $(TM_P_H) $(OBSTACK_H) $(RESOURCE_H) \
-   $(TIMEVAR_H) $(TARGET_H) tree-pass.h
-alias.o : alias.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
-   $(FLAGS_H) hard-reg-set.h $(BASIC_BLOCK_H) $(REGS_H) toplev.h output.h \
-   $(ALIAS_H) $(EMIT_RTL_H) $(GGC_H) $(FUNCTION_H) cselib.h $(TREE_H) $(TM_P_H) \
-   langhooks.h $(TARGET_H) gt-alias.h $(TIMEVAR_H) $(CGRAPH_H) \
-   $(SPLAY_TREE_H) $(VARRAY_H) $(IPA_TYPE_ESCAPE_H) $(DF_H) tree-pass.h
-stack-ptr-mod.o : stack-ptr-mod.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
-   $(TM_H) $(TREE_H) $(RTL_H) $(REGS_H) $(EXPR_H) tree-pass.h \
-   $(BASIC_BLOCK_H) $(FLAGS_H) output.h $(DF_H)
-init-regs.o : init-regs.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
-   $(TM_H) $(TREE_H) $(RTL_H) $(REGS_H) $(EXPR_H) tree-pass.h \
-   $(BASIC_BLOCK_H) $(FLAGS_H) $(DF_H)
-regmove.o : regmove.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
-   insn-config.h $(TIMEVAR_H) tree-pass.h $(DF_H)\
-   $(RECOG_H) output.h $(REGS_H) hard-reg-set.h $(FLAGS_H) $(FUNCTION_H) \
-   $(EXPR_H) $(BASIC_BLOCK_H) toplev.h $(TM_P_H) except.h reload.h
-combine-stack-adj.o : combine-stack-adj.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
-   $(TM_H) $(RTL_H) insn-config.h $(TIMEVAR_H) tree-pass.h \
-   $(RECOG_H) output.h $(REGS_H) hard-reg-set.h $(FLAGS_H) $(FUNCTION_H) \
-   $(EXPR_H) $(BASIC_BLOCK_H) toplev.h $(TM_P_H) except.h reload.h
-ddg.o : ddg.c $(DDG_H) $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TARGET_H) \
-   toplev.h $(RTL_H) $(TM_P_H) $(REGS_H) $(FUNCTION_H) \
-   $(FLAGS_H) insn-config.h $(INSN_ATTR_H) except.h $(RECOG_H) \
-   $(SCHED_INT_H) $(CFGLAYOUT_H) $(CFGLOOP_H) $(EXPR_H) bitmap.h \
-   hard-reg-set.h sbitmap.h $(TM_H)
-modulo-sched.o : modulo-sched.c $(DDG_H) $(CONFIG_H) $(CONFIG_H) $(SYSTEM_H) \
-   coretypes.h $(TARGET_H) toplev.h $(RTL_H) $(TM_P_H) $(REGS_H) $(FUNCTION_H) \
-   $(FLAGS_H) insn-config.h $(INSN_ATTR_H) except.h $(RECOG_H) \
-   $(SCHED_INT_H) $(CFGLAYOUT_H) $(CFGLOOP_H) $(EXPR_H) $(PARAMS_H) \
-   cfghooks.h $(GCOV_IO_H) hard-reg-set.h $(TM_H) timevar.h tree-pass.h \
-   $(DF_H) $(DBGCNT_H)
-haifa-sched.o : haifa-sched.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
-   $(SCHED_INT_H) $(REGS_H) hard-reg-set.h $(FLAGS_H) insn-config.h $(FUNCTION_H) \
-   $(INSN_ATTR_H) toplev.h $(RECOG_H) except.h $(TM_P_H) $(TARGET_H) output.h \
-   $(PARAMS_H) $(DBGCNT_H)
-sched-deps.o : sched-deps.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-   $(RTL_H) $(SCHED_INT_H) $(REGS_H) hard-reg-set.h $(FLAGS_H) insn-config.h \
-   $(FUNCTION_H) $(INSN_ATTR_H) toplev.h $(RECOG_H) except.h cselib.h \
-   $(PARAMS_H) $(TM_P_H) 
-sched-rgn.o : sched-rgn.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-   $(RTL_H) $(SCHED_INT_H) $(REGS_H) hard-reg-set.h $(FLAGS_H) insn-config.h \
-   $(FUNCTION_H) $(INSN_ATTR_H) toplev.h $(RECOG_H) except.h $(PARAMS_H) \
-   $(TM_P_H) $(TARGET_H) $(CFGLAYOUT_H) $(TIMEVAR_H) tree-pass.h $(DBGCNT_H)
-sched-ebb.o : sched-ebb.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-   $(RTL_H) $(SCHED_INT_H) $(REGS_H) hard-reg-set.h $(FLAGS_H) insn-config.h \
-   $(FUNCTION_H) $(INSN_ATTR_H) toplev.h $(RECOG_H) except.h $(TM_P_H) \
-   $(PARAMS_H) $(CFGLAYOUT_H) $(TARGET_H) output.h 
-sched-vis.o : sched-vis.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-   $(RTL_H) $(SCHED_INT_H) hard-reg-set.h $(BASIC_BLOCK_H) $(OBSTACK_H) \
-   $(TM_P_H) $(REAL_H) toplev.h tree-pass.h
-final.o : final.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
-   $(TREE_H) $(FLAGS_H) intl.h $(REGS_H) $(RECOG_H) conditions.h \
-   insn-config.h $(INSN_ATTR_H) $(FUNCTION_H) output.h hard-reg-set.h \
-   except.h debug.h xcoffout.h toplev.h reload.h dwarf2out.h tree-pass.h \
-   $(BASIC_BLOCK_H) $(TM_P_H) $(TARGET_H) $(EXPR_H) $(CFGLAYOUT_H) dbxout.h \
-   $(TIMEVAR_H) $(CGRAPH_H) $(COVERAGE_H) $(REAL_H) $(DF_H) vecprim.h $(GGC_H) \
-   $(CFGLOOP_H) $(PARAMS_H)
-recog.o : recog.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
-   $(FUNCTION_H) $(BASIC_BLOCK_H) $(REGS_H) $(RECOG_H) $(EXPR_H) \
-   $(FLAGS_H) insn-config.h $(INSN_ATTR_H) toplev.h output.h reload.h \
-   addresses.h $(TM_P_H) $(TIMEVAR_H) tree-pass.h hard-reg-set.h $(REAL_H) \
-   $(DF_H) $(DBGCNT_H)
-reg-stack.o : reg-stack.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-   $(RTL_H) $(TREE_H) $(RECOG_H) $(REGS_H) hard-reg-set.h $(FLAGS_H) \
-   insn-config.h toplev.h reload.h $(FUNCTION_H) $(TM_P_H) $(GGC_H) \
-   $(BASIC_BLOCK_H) output.h $(VARRAY_H) $(TIMEVAR_H) tree-pass.h \
-   $(TARGET_H) vecprim.h $(DF_H)
-sreal.o: sreal.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) sreal.h
-predict.o: predict.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
-   $(TREE_H) $(FLAGS_H) insn-config.h $(BASIC_BLOCK_H) $(REGS_H) \
-   hard-reg-set.h output.h toplev.h $(RECOG_H) $(FUNCTION_H) except.h \
-   $(TM_P_H) $(PREDICT_H) sreal.h $(PARAMS_H) $(TARGET_H) $(CFGLOOP_H) \
-   $(COVERAGE_H) $(SCEV_H) $(GGC_H) predict.def $(TIMEVAR_H) $(TREE_DUMP_H) \
-   $(TREE_FLOW_H) tree-pass.h $(EXPR_H) pointer-set.h
-lists.o: lists.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) toplev.h \
-   $(RTL_H) $(GGC_H) gt-lists.h
-bb-reorder.o : bb-reorder.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-   $(RTL_H) $(FLAGS_H) $(TIMEVAR_H) output.h $(CFGLAYOUT_H) $(FIBHEAP_H) \
-   $(TARGET_H) $(FUNCTION_H) $(TM_P_H) $(OBSTACK_H) $(EXPR_H) $(REGS_H) \
-   $(PARAMS_H) toplev.h tree-pass.h
-tracer.o : tracer.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
-   $(TREE_H) $(BASIC_BLOCK_H) hard-reg-set.h output.h $(CFGLAYOUT_H) \
-   $(FLAGS_H) $(TIMEVAR_H) $(PARAMS_H) $(COVERAGE_H) $(FIBHEAP_H) \
-   tree-pass.h
-cfglayout.o : cfglayout.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-   $(RTL_H) $(TREE_H) insn-config.h $(BASIC_BLOCK_H) hard-reg-set.h output.h \
-   $(FUNCTION_H) $(CFGLAYOUT_H) $(CFGLOOP_H) $(TARGET_H) gt-cfglayout.h \
-   $(GGC_H) alloc-pool.h $(FLAGS_H) $(OBSTACK_H) tree-pass.h vecprim.h \
-   $(DF_H)
-timevar.o : timevar.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-   $(TIMEVAR_H) $(FLAGS_H) intl.h toplev.h $(RTL_H) timevar.def
-regrename.o : regrename.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-   $(RTL_H) insn-config.h $(BASIC_BLOCK_H) $(REGS_H) hard-reg-set.h \
-   output.h $(RECOG_H) $(FUNCTION_H) $(OBSTACK_H) $(FLAGS_H) $(TM_P_H) \
-   addresses.h reload.h toplev.h $(TIMEVAR_H) tree-pass.h $(DF_H)
-ifcvt.o : ifcvt.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
-   $(REGS_H) toplev.h $(FLAGS_H) insn-config.h $(FUNCTION_H) $(RECOG_H) \
-   $(TARGET_H) $(BASIC_BLOCK_H) $(EXPR_H) output.h except.h $(TM_P_H) \
-   $(REAL_H) $(OPTABS_H) $(CFGLOOP_H) hard-reg-set.h $(TIMEVAR_H) tree-pass.h \
-   $(DF_H) $(DBGCNT_H)
-lambda-mat.o : lambda-mat.c $(LAMBDA_H) $(GGC_H) $(SYSTEM_H) $(CONFIG_H) \
-   $(TM_H) coretypes.h $(TREE_H)
-lambda-trans.o: lambda-trans.c $(LAMBDA_H) $(GGC_H) $(SYSTEM_H) $(CONFIG_H) \
-   $(TM_H) coretypes.h $(TARGET_H) $(TREE_H)
-lambda-code.o: lambda-code.c $(LAMBDA_H) $(GGC_H) $(SYSTEM_H) $(CONFIG_H) \
-   $(TM_H) $(OPTABS_H) $(TREE_H) $(RTL_H) $(BASIC_BLOCK_H) \
-   $(DIAGNOSTIC_H) $(TREE_FLOW_H) $(TREE_DUMP_H) $(TIMEVAR_H) $(CFGLOOP_H) \
-   $(TREE_DATA_REF_H) $(SCEV_H) $(EXPR_H) coretypes.h $(TARGET_H) \
-   tree-chrec.h tree-pass.h vec.h vecprim.h $(OBSTACK_H)
-params.o : params.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(PARAMS_H) toplev.h
-pointer-set.o: pointer-set.c pointer-set.h $(CONFIG_H) $(SYSTEM_H)
-hooks.o: hooks.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(HOOKS_H)
-pretty-print.o: $(CONFIG_H) $(SYSTEM_H) coretypes.h intl.h $(PRETTY_PRINT_H) \
-   $(TREE_H)
-errors.o : errors.c $(CONFIG_H) $(SYSTEM_H) errors.h $(BCONFIG_H)
-dbgcnt.o: dbgcnt.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(DBGCNT_H)
-lower-subreg.o : lower-subreg.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
-   $(MACHMODE_H) $(TM_H) $(RTL_H) $(TM_P_H) $(TIMEVAR_H) $(FLAGS_H) \
-   insn-config.h $(BASIC_BLOCK_H) $(RECOG_H) $(OBSTACK_H) bitmap.h \
-   $(EXPR_H) $(REGS_H) tree-pass.h $(DF_H)
-
-$(out_object_file): $(out_file) $(CONFIG_H) coretypes.h $(TM_H) $(TREE_H) \
-   $(RTL_H) $(REGS_H) hard-reg-set.h insn-config.h conditions.h \
-   output.h $(INSN_ATTR_H) $(SYSTEM_H) toplev.h $(TARGET_H) libfuncs.h \
-   $(TARGET_DEF_H) $(FUNCTION_H) $(SCHED_INT_H) $(TM_P_H) $(EXPR_H) \
-   langhooks.h $(GGC_H) $(OPTABS_H) $(REAL_H) tm-constrs.h
-	$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
-		$(out_file) $(OUTPUT_OPTION)
-
 # Build auxiliary files that support ecoff format.
 mips-tfile: mips-tfile.o version.o $(LIBDEPS)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ mips-tfile.o version.o $(LIBS)
 
-mips-tfile.o : mips-tfile.c $(CONFIG_H) $(RTL_H) $(SYSTEM_H) coretypes.h \
-   $(TM_H) version.h $(srcdir)/../include/getopt.h gstab.h intl.h
-
 mips-tdump: mips-tdump.o version.o $(LIBDEPS)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ mips-tdump.o version.o $(LIBS)
 
-mips-tdump.o : mips-tdump.c $(CONFIG_H) $(RTL_H) $(SYSTEM_H) coretypes.h \
-   $(TM_H) version.h $(srcdir)/../include/getopt.h stab.def
-
-# FIXME: writing proper dependencies for this is a *LOT* of work.
-libbackend.o : $(OBJS-common:.o=.c) $(out_file) \
-  insn-config.h insn-flags.h insn-codes.h insn-constants.h \
-  insn-attr.h  $(DATESTAMP) $(BASEVER) $(DEVPHASE) gcov-iov.h
-	$(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
-	  -DTARGET_NAME=\"$(target_noncanonical)\" \
-	  -DLOCALEDIR=\"$(localedir)\" \
-	  -c $(filter %.c,$^) -o $@  \
-	  -DBASEVER=$(BASEVER_s) -DDATESTAMP=$(DATESTAMP_s) \
-	  -DREVISION=$(REVISION_s) \
-	  -DDEVPHASE=$(DEVPHASE_s) -DPKGVERSION=$(PKGVERSION_s) \
-	  -DBUGURL=$(BUGURL_s) -combine
-
 #
 # Generate header and source files from the machine description,
 # and compile them.
@@ -2941,43 +1764,6 @@ s-mddeps: $(md_file) $(MD_INCLUDES) build/genmddeps$(build_exeext)
 	$(SHELL) $(srcdir)/../move-if-change tmp-mddeps mddeps.mk
 	$(STAMP) s-mddeps
 
-# Header dependencies for generated source files.
-genrtl.o : genrtl.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H)	$(RTL_H)\
-  $(GGC_H)
-insn-attrtab.o : insn-attrtab.c $(CONFIG_H) $(SYSTEM_H) coretypes.h	\
-  $(TM_H) $(RTL_H) $(REGS_H) $(REAL_H) output.h $(INSN_ATTR_H)		\
-  insn-config.h toplev.h $(RECOG_H) $(TM_P_H) $(FLAGS_H)
-insn-automata.o : insn-automata.c $(CONFIG_H) $(SYSTEM_H) coretypes.h	\
-  $(TM_H) $(RTL_H) $(REGS_H) $(REAL_H) output.h $(INSN_ATTR_H)		\
-  insn-config.h toplev.h $(RECOG_H) $(TM_P_H) $(FLAGS_H)
-insn-emit.o : insn-emit.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H)	\
-  $(RTL_H) $(EXPR_H) $(REAL_H) output.h insn-config.h $(OPTABS_H)	\
-  reload.h $(RECOG_H) toplev.h $(FUNCTION_H) $(FLAGS_H) hard-reg-set.h	\
-  $(RESOURCE_H) $(TM_P_H) $(BASIC_BLOCK_H) $(INTEGRATE_H) tm-constrs.h
-insn-extract.o : insn-extract.c $(CONFIG_H) $(SYSTEM_H) coretypes.h	\
-  $(TM_H) $(RTL_H) toplev.h insn-config.h $(RECOG_H)
-insn-modes.o : insn-modes.c $(CONFIG_H) $(SYSTEM_H) coretypes.h	$(TM_H) \
-  $(MACHMODE_H) $(REAL_H)
-insn-opinit.o : insn-opinit.c $(CONFIG_H) $(SYSTEM_H) coretypes.h	\
-  $(TM_H) $(RTL_H) insn-config.h $(FLAGS_H) $(RECOG_H) $(EXPR_H)	\
-  $(OPTABS_H) reload.h
-insn-output.o : insn-output.c $(CONFIG_H) $(SYSTEM_H) coretypes.h	\
-  $(TM_H) $(RTL_H) $(GGC_H) $(REGS_H) $(REAL_H) conditions.h		\
-  hard-reg-set.h insn-config.h $(INSN_ATTR_H) $(EXPR_H) output.h	\
-  $(RECOG_H) $(FUNCTION_H) toplev.h $(FLAGS_H) insn-codes.h $(TM_P_H)	\
-  $(TARGET_H) tm-constrs.h
-insn-peep.o : insn-peep.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H)	\
-  $(RTL_H) $(REGS_H) output.h insn-config.h $(RECOG_H) except.h		\
-  $(FUNCTION_H) $(TM_P_H) $(REAL_H) tm-constrs.h
-insn-preds.o : insn-preds.c $(CONFIG_H) $(SYSTEM_H) coretypes.h		\
-  $(TM_H) $(RTL_H) $(TREE_H) insn-config.h $(RECOG_H) output.h		\
-  $(FLAGS_H) $(FUNCTION_H) hard-reg-set.h $(RESOURCE_H) $(TM_P_H)	\
-  toplev.h reload.h $(REGS_H) $(REAL_H) tm-constrs.h
-insn-recog.o : insn-recog.c $(CONFIG_H) $(SYSTEM_H) coretypes.h		\
-  $(TM_H) $(RTL_H) insn-config.h $(RECOG_H) output.h $(FLAGS_H)		\
-  $(FUNCTION_H) hard-reg-set.h $(RESOURCE_H) $(TM_P_H) toplev.h		\
-  reload.h $(REAL_H) tm-constrs.h
-
 # For each of the files generated by running a generator program over
 # the machine description, the following pair of static pattern rules
 # runs the generator program only if the machine description has changed,
@@ -3026,10 +1812,10 @@ s-check : build/gencheck$(build_exeext)
 	$(STAMP) s-check
 
 # gencondmd doesn't use the standard naming convention.
-build/gencondmd.c: s-conditions; @true
+gencondmd.c: s-conditions; @true
 s-conditions: $(MD_DEPS) build/genconditions$(build_exeext)
 	$(RUN_GEN) build/genconditions$(build_exeext) $(md_file) > tmp-condmd.c
-	$(SHELL) $(srcdir)/../move-if-change tmp-condmd.c build/gencondmd.c
+	$(SHELL) $(srcdir)/../move-if-change tmp-condmd.c gencondmd.c
 	$(STAMP) s-conditions
 
 insn-conditions.md: s-condmd; @true
@@ -3097,7 +1883,8 @@ GTFILES = $(CPP_ID_DATA_H) $(srcdir)/input.h $(srcdir)/coretypes.h \
   $(host_xm_file_list) \
   $(tm_file_list) $(HASHTAB_H) $(SPLAY_TREE_H) $(srcdir)/bitmap.h \
   $(srcdir)/alias.h $(srcdir)/coverage.c $(srcdir)/rtl.h \
-  $(srcdir)/optabs.h $(srcdir)/tree.h $(srcdir)/function.h $(srcdir)/libfuncs.h $(SYMTAB_H) \
+  $(srcdir)/optabs.h $(srcdir)/tree.h $(srcdir)/function.h \
+  $(srcdir)/libfuncs.h $(srcdir)/../libcpp/include/symtab.h \
   $(srcdir)/real.h $(srcdir)/varray.h $(srcdir)/insn-addr.h $(srcdir)/hwint.h \
   $(srcdir)/fixed-value.h \
   $(srcdir)/ipa-reference.h $(srcdir)/output.h $(srcdir)/cfgloop.h \
@@ -3161,84 +1948,67 @@ s-gtype: build/gengtype$(build_exeext) $(filter-out [%], $(GTFILES)) \
 #
 # How to compile object files to run on the build machine.
 
-build/%.o :  # dependencies provided by explicit rule later
-	$(CC_FOR_BUILD) -c $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -o $@ $<
-
-# Header dependencies for the programs that generate source code.
-# These are library modules...
-build/errors.o : errors.c $(BCONFIG_H) $(SYSTEM_H) errors.h
-build/gensupport.o: gensupport.c $(BCONFIG_H) $(SYSTEM_H) coretypes.h	\
-  $(GTM_H) $(RTL_BASE_H) $(OBSTACK_H) errors.h $(HASHTAB_H)		\
-  gensupport.h
-build/ggc-none.o : ggc-none.c $(BCONFIG_H) $(SYSTEM_H) coretypes.h 	\
-  $(GGC_H)
-build/min-insn-modes.o : min-insn-modes.c $(BCONFIG_H) $(SYSTEM_H)	\
-  $(MACHMODE_H)
-build/print-rtl.o: print-rtl.c $(BCONFIG_H) $(SYSTEM_H) coretypes.h	\
-  $(GTM_H) $(RTL_BASE_H)
-build/read-rtl.o: read-rtl.c $(BCONFIG_H) $(SYSTEM_H) coretypes.h	\
-  $(GTM_H) $(RTL_BASE_H) $(OBSTACK_H) $(HASHTAB_H) gensupport.h
-build/rtl.o: rtl.c $(BCONFIG_H) coretypes.h $(GTM_H) $(SYSTEM_H)	\
-  $(RTL_H) $(REAL_H) $(GGC_H) errors.h
-build/vec.o : vec.c $(BCONFIG_H) $(SYSTEM_H) coretypes.h vec.h \
-   $(GGC_H) toplev.h
-build/gencondmd.o : build/gencondmd.c $(BCONFIG_H) $(SYSTEM_H)		\
-  coretypes.h $(GTM_H) insn-constants.h $(RTL_H) $(TM_P_H)		\
-  $(FUNCTION_H) $(REGS_H) $(RECOG_H) $(REAL_H) output.h $(FLAGS_H)	\
-  $(RESOURCE_H) toplev.h reload.h except.h tm-constrs.h
+BUILDCOMPILE.base = $(CC_FOR_BUILD) -c $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -o $@
+ifeq ($(BUILD_DEPMODE),depmode=gcc3)
+BUILDCOMPILE = $(BUILDCOMPILE.base) -MT $@ -MMD -MP -MF build/$(DEPDIR)/$(*F).Po
+else
+BUILDCOMPILE = source='$<' object='$@' libtool=no \
+    DEPDIR=$(DEPDIR) $(BUILD_DEPMODE) $(depcomp) $(BUILDCOMPILE.base)
+endif
+
+ALL_BUILD_OBJS = $(BUILD_RTL) $(BUILD_ERRORS) \
+	build/gencondmd.o build/genattr.o build/genattrtab.o \
+	build/genautomata.o build/gencheck.o build/genconstants.o \
+	build/genemit.o build/genextract.o build/genflags.o \
+	build/gengenrtl.o build/gengtype-lex.o build/gengtype-parse.o \
+	build/gengtype.o build/genmddeps.o build/genmodes.o \
+	build/genopinit.o build/genoutput.o build/genpeep.o \
+	build/genpreds.o build/genrecog.o \
+	build/gcov-iov.o build/gen-protos.o build/scan.o \
+	build/fix-header.o build/scan-decls.o
+
+build/%.o : %.c bconfig.h
+	$(BUILDCOMPILE) $<
+
+# Dependencies on generated headers for various build/ objects.
+build/gensupport.o: $(GTM_H)
+build/ggc-none.o: gtype-desc.h
+build/min-insn-modes.o: insn-modes.h
+build/print-rtl.o: $(GTM_H) insn-modes.h
+build/read-rtl.o: $(GTM_H) insn-modes.h
+build/rtl.o: $(GTM_H) insn-modes.h gtype-desc.h
+build/vec.o: gtype-desc.h
+build/gencondmd.o: gencondmd.c $(GTM_H) insn-constants.h $(TM_P_H) \
+	tm-constrs.h options.h gtype-desc.h genrtl.h tree-check.h
+build/genattr.o: $(GTM_H)
+build/genattrtab.o: $(GTM_H) gtype-desc.h
+build/genautomata.o: insn-modes.h $(GTM_H)
+build/gencheck.o: $(GTM_H) gencheck.h
+build/gencodes.o: $(GTM_H)
+build/genconditions.o: insn-modes.h
+build/genconfig.o: $(GTM_H)
+build/genconstants.o: $(GTM_H)
+build/genemit.o: $(GTM_H)
+build/genextract.o: $(GTM_H)
+build/genflags.o: $(GTM_H)
+build/genmddeps.o: $(GTM_H) insn-modes.h
+build/genopinit.o: insn-modes.h $(GTM_H)
+build/genoutput.o: insn-modes.h $(GTM_H)
+build/genpeep.o: insn-modes.h $(GTM_H)
+build/genpreds.o: insn-modes.h $(GTM_H)
+build/genrecog.o: insn-modes.h $(GTM_H)
+build/gcov-iov.o: $(GTM_H) $(TM_H)
+build/gen-protos.o: $(GTM_H)
+build/scan.o: $(GTM_H)
+build/fix-header.o: xsys-protos.h $(GTM_H)
+build/scan-decls.o: $(GTM_H)
+
 # This pulls in tm-pred.h which contains inline functions wrapping up
 # predicates from the back-end so those functions must be discarded.
 # No big deal since gencondmd.c is a dummy file for non-GCC compilers.
 build/gencondmd.o : \
   BUILD_CFLAGS := $(filter-out -fkeep-inline-functions, $(BUILD_CFLAGS))
 
-# ...these are the programs themselves.
-build/genattr.o : genattr.c $(RTL_BASE_H) $(BCONFIG_H) $(SYSTEM_H)	\
-  coretypes.h $(GTM_H) errors.h gensupport.h
-build/genattrtab.o : genattrtab.c $(RTL_BASE_H) $(OBSTACK_H)		\
-  $(BCONFIG_H) $(SYSTEM_H) coretypes.h $(GTM_H) errors.h $(GGC_H)	\
-  gensupport.h
-build/genautomata.o : genautomata.c $(RTL_BASE_H) $(OBSTACK_H)		\
-  $(BCONFIG_H) $(SYSTEM_H) coretypes.h $(GTM_H) errors.h vec.h		\
-  $(HASHTAB_H) gensupport.h
-build/gencheck.o : gencheck.c gencheck.h tree.def $(BCONFIG_H) $(GTM_H)	\
-	$(SYSTEM_H) coretypes.h $(lang_tree_files)
-build/genchecksum.o : genchecksum.c $(BCONFIG_H) $(SYSTEM_H) $(MD5_H)
-build/gencodes.o : gencodes.c $(RTL_BASE_H) $(BCONFIG_H) $(SYSTEM_H)	\
-  coretypes.h $(GTM_H) errors.h gensupport.h
-build/genconditions.o : genconditions.c $(RTL_BASE_H) $(BCONFIG_H)	\
-  $(SYSTEM_H) coretypes.h $(GTM_H) errors.h
-build/genconfig.o : genconfig.c $(RTL_BASE_H) $(BCONFIG_H) $(SYSTEM_H)	\
-  coretypes.h $(GTM_H) errors.h gensupport.h
-build/genconstants.o : genconstants.c $(RTL_BASE_H) $(BCONFIG_H)	\
-  $(SYSTEM_H) coretypes.h $(GTM_H) errors.h
-build/genemit.o : genemit.c $(RTL_BASE_H) $(BCONFIG_H) $(SYSTEM_H)	\
-  coretypes.h $(GTM_H) errors.h gensupport.h
-build/genextract.o : genextract.c $(RTL_BASE_H) $(BCONFIG_H)		\
-  $(SYSTEM_H) coretypes.h $(GTM_H) errors.h gensupport.h vecprim.h
-build/genflags.o : genflags.c $(RTL_BASE_H) $(OBSTACK_H) $(BCONFIG_H)	\
-  $(SYSTEM_H) coretypes.h $(GTM_H) errors.h gensupport.h
-build/gengenrtl.o : gengenrtl.c $(BCONFIG_H) $(SYSTEM_H) rtl.def
-build/gengtype-lex.o : gengtype-lex.c gengtype.h $(BCONFIG_H) $(SYSTEM_H)
-build/gengtype-parse.o : gengtype-parse.c gengtype.h $(BCONFIG_H)	\
-  $(SYSTEM_H)
-build/gengtype.o : gengtype.c $(BCONFIG_H) $(SYSTEM_H) gengtype.h 	\
-  rtl.def insn-notes.def errors.h double-int.h
-build/genmddeps.o: genmddeps.c $(BCONFIG_H) $(SYSTEM_H) coretypes.h	\
-  $(GTM_H) $(RTL_BASE_H) errors.h gensupport.h
-build/genmodes.o : genmodes.c $(BCONFIG_H) $(SYSTEM_H) errors.h		\
-  $(HASHTAB_H) machmode.def $(extra_modes_file)
-build/genopinit.o : genopinit.c $(RTL_BASE_H) $(BCONFIG_H) $(SYSTEM_H)	\
-  coretypes.h $(GTM_H) errors.h gensupport.h
-build/genoutput.o : genoutput.c $(RTL_BASE_H) $(BCONFIG_H) $(SYSTEM_H)	\
-  coretypes.h $(GTM_H) errors.h gensupport.h
-build/genpeep.o : genpeep.c $(RTL_BASE_H) $(BCONFIG_H) $(SYSTEM_H)	\
-  coretypes.h $(GTM_H) errors.h gensupport.h toplev.h
-build/genpreds.o : genpreds.c $(RTL_BASE_H) $(BCONFIG_H) $(SYSTEM_H)	\
-  coretypes.h $(GTM_H) errors.h gensupport.h $(OBSTACK_H)
-build/genrecog.o : genrecog.c $(RTL_BASE_H) $(BCONFIG_H) $(SYSTEM_H)	\
-  coretypes.h $(GTM_H) errors.h gensupport.h
-
 # Compile the programs that generate insn-* from the machine description.
 # They are compiled with $(CC_FOR_BUILD), and associated libraries,
 # since they need to run on this machine
@@ -3268,13 +2038,6 @@ gengtype-lex.c : gengtype-lex.l
 	-$(FLEX) $(FLEXFLAGS) -o$@ $<
 
 #
-# Remake internationalization support.
-intl.o: intl.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) intl.h Makefile
-	$(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
-	  -DLOCALEDIR=\"$(localedir)\" \
-	  -c $(srcdir)/intl.c $(OUTPUT_OPTION)
-
-#
 # Remake cpp and protoize.
 
 PREPROCESSOR_DEFINES = \
@@ -3290,12 +2053,6 @@ PREPROCESSOR_DEFINES = \
   -DSTANDARD_EXEC_PREFIX=\"$(libdir)/gcc/\" \
   @TARGET_SYSTEM_ROOT_DEFINE@
 
-cppdefault.o: cppdefault.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-	cppdefault.h Makefile
-	$(CC) $(ALL_CFLAGS) $(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).
 
@@ -3309,20 +2066,6 @@ protoize$(exeext): protoize.o $(PROTO_OBJS) $(LIBDEPS)
 unprotoize$(exeext): unprotoize.o $(PROTO_OBJS) $(LIBDEPS)
 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ unprotoize.o $(PROTO_OBJS) $(LIBS)
 
-protoize.o: protoize.c $(srcdir)/../include/getopt.h $(CONFIG_H) $(SYSTEM_H) \
-   coretypes.h $(TM_H) Makefile version.h cppdefault.h intl.h
-	(SHLIB_LINK='$(SHLIB_LINK)'; \
-	$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
-	  $(DRIVER_DEFINES) \
-	  $(srcdir)/protoize.c $(OUTPUT_OPTION))
-
-unprotoize.o: protoize.c $(srcdir)/../include/getopt.h $(CONFIG_H) \
-    $(SYSTEM_H) coretypes.h $(TM_H) Makefile version.h cppdefault.h intl.h
-	(SHLIB_LINK='$(SHLIB_LINK)'; \
-	$(CC) -c -DUNPROTOIZE $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
-	  $(DRIVER_DEFINES) \
-	  $(srcdir)/protoize.c $(OUTPUT_OPTION))
-
 # This info describes the target machine, so compile with GCC just built.
 SYSCALLS.c.X: $(srcdir)/sys-types.h $(srcdir)/sys-protos.h $(GCC_PASSES) \
    stmp-int-hdrs
@@ -3365,10 +2108,6 @@ test-protoize-simple: ./protoize ./unprotoize $(GCC_PASSES)
 	diff $(srcdir)/protoize.c tmp-proto.c | cat
 	-rm -f tmp-proto.[cs] tmp-proto$(objext)
 
-# gcov-iov.c is run on the build machine to generate gcov-iov.h from version.c
-build/gcov-iov.o: gcov-iov.c $(BCONFIG_H) coretypes.h $(GTM_H) \
-  $(SYSTEM_H) coretypes.h $(TM_H)
-
 build/gcov-iov$(build_exeext): build/gcov-iov.o
 	$(CC_FOR_BUILD) $(BUILD_CFLAGS) $(BUILD_LDFLAGS) build/gcov-iov.o -o $@
 
@@ -3379,11 +2118,6 @@ s-iov: build/gcov-iov$(build_exeext) $(BASEVER) $(DEVPHASE)
 	$(SHELL) $(srcdir)/../move-if-change tmp-gcov-iov.h gcov-iov.h
 	$(STAMP) s-iov
 
-gcov.o: gcov.c gcov-io.c $(GCOV_IO_H) intl.h $(SYSTEM_H) coretypes.h $(TM_H) \
-   $(CONFIG_H) version.h
-gcov-dump.o: gcov-dump.c gcov-io.c $(GCOV_IO_H) $(SYSTEM_H) coretypes.h \
-   $(TM_H) $(CONFIG_H)
-
 GCOV_OBJS = gcov.o intl.o version.o errors.o
 gcov$(exeext): $(GCOV_OBJS) $(LIBDEPS)
 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) $(GCOV_OBJS) $(LIBS) -o $@
@@ -3549,11 +2283,6 @@ build/gen-protos$(build_exeext): $(GEN_PROTOS_OBJS)
 	${CC_FOR_BUILD} $(BUILD_CFLAGS) $(BUILD_LDFLAGS) -o $@ \
 	  $(GEN_PROTOS_OBJS) $(BUILD_LIBS)
 
-build/gen-protos.o: gen-protos.c scan.h $(BCONFIG_H) $(SYSTEM_H) coretypes.h \
-  $(GTM_H) errors.h
-
-build/scan.o: scan.c scan.h $(BCONFIG_H) $(SYSTEM_H) coretypes.h $(GTM_H)
-
 xsys-protos.h: $(GCC_PASSES) $(srcdir)/sys-protos.h deduced.h \
   build/gen-protos$(build_exeext) Makefile
 	sed -e s/TARGET_GETGROUPS_T/$(TARGET_GETGROUPS_T)/ \
@@ -3574,11 +2303,6 @@ build/fix-header$(build_exeext): build/fix-header.o build/scan-decls.o \
 	 build/fix-header.o c-incpath.o cppdefault.o build/scan-decls.o prefix.o \
 	 build/scan.o $(BUILD_ERRORS) $(LIBS)
 
-build/fix-header.o: fix-header.c $(OBSTACK_H) scan.h errors.h \
-	xsys-protos.h $(BCONFIG_H) $(SYSTEM_H) coretypes.h $(GTM_H) $(CPPLIB_H)
-
-build/scan-decls.o: scan-decls.c scan.h $(CPPLIB_H) $(BCONFIG_H) $(SYSTEM_H) coretypes.h $(GTM_H)
-
 # stmp-fixproto depends on this, not on fix-header directly.
 # The idea is to make sure fix-header gets built,
 # but not rerun fixproto after each stage
@@ -3891,6 +2615,7 @@ distclean: clean lang.distclean
 	-rm -f gcov.pod
 # Delete po/*.gmo only if we are not building in the source directory.
 	-if [ ! -f po/exgettext ]; then rm -f po/*.gmo; fi
+	-rm -rf $(DEPDIR) */$(DEPDIR)
 	-rmdir ada cp f java objc intl po testsuite 2>/dev/null
 
 # Get rid of every file that's generated from some other file, except for `configure'.
@@ -4474,3 +3199,79 @@ po/gcc.pot: force
 	$(MAKE) srcextra
 	AWK=$(AWK) $(SHELL) $(srcdir)/po/exgettext \
 		$(XGETTEXT) gcc $(srcdir)
+
+#
+
+# Dependency information.
+
+# Add flags needed by some particular compilations.
+collect2.o : \
+	ALL_CPPFLAGS := $(ALL_CPPFLAGS) \
+		-DTARGET_MACHINE=\"$(target_noncanonical)\"
+c-opts.o : \
+	ALL_CPPFLAGS := $(ALL_CPPFLAGS) @TARGET_SYSTEM_ROOT_DEFINE@
+gcc.o: \
+	ALL_CPPFLAGS := $(ALL_CPPFLAGS) $(DRIVER_DEFINES)
+gccspec.o: \
+	ALL_CPPFLAGS := $(ALL_CPPFLAGS) $(DRIVER_DEFINES)
+gcc-options.o: \
+	ALL_CPPFLAGS := $(ALL_CPPFLAGS) -DGCC_DRIVER
+cppdefault.o : \
+	ALL_CPPFLAGS := $(ALL_CPPFLAGS) $(PREPROCESSOR_DEFINES)
+protoize.o: \
+	ALL_CPPFLAGS := $(ALL_CPPFLAGS) $(DRIVER_DEFINES)
+unprotoize.o: \
+	ALL_CPPFLAGS := $(ALL_CPPFLAGS) $(DRIVER_DEFINES) -DUNPROTOIZE
+# Remake internationalization support.
+intl.o : \
+	ALL_CPPFLAGS := $(ALL_CPPFLAGS) -DLOCALEDIR=\"$(localedir)\"
+
+# We need an explicit dependency here, because these are not directly
+# included but their contents are included via command line options.
+ifdef REVISION_s
+version.o: version.c version.h $(REVISION) $(DATESTAMP) $(BASEVER) $(DEVPHASE)
+else
+version.o: version.c version.h $(DATESTAMP) $(BASEVER) $(DEVPHASE)
+endif
+
+version.o : \
+	ALL_CPPFLAGS := $(ALL_CPPFLAGS) \
+	-DBASEVER=$(BASEVER_s) -DDATESTAMP=$(DATESTAMP_s) \
+	-DREVISION=$(REVISION_s) \
+	-DDEVPHASE=$(DEVPHASE_s) -DPKGVERSION=$(PKGVERSION_s) \
+	-DBUGURL=$(BUGURL_s)
+prefix.o : \
+	ALL_CPPFLAGS := $(ALL_CPPFLAGS) -DPREFIX=\"$(prefix)\" \
+	-DBASEVER=$(BASEVER_s)
+toplev.o : \
+	ALL_CPPFLAGS := $(ALL_CPPFLAGS) -DTARGET_NAME=\"$(target_noncanonical)\"
+
+# Special code and dependencies for -combine compilation.
+libbackend.o : $(OBJS-common:.o=.c) $(out_file) \
+  $(DATESTAMP) $(BASEVER) $(DEVPHASE)
+	$(COMPILE) \
+	  -DTARGET_NAME=\"$(target_noncanonical)\" \
+	  -DLOCALEDIR=\"$(localedir)\" \
+	  $(filter %.c,$^) \
+	  -DBASEVER=$(BASEVER_s) -DDATESTAMP=$(DATESTAMP_s) \
+	  -DREVISION=$(REVISION_s) \
+	  -DDEVPHASE=$(DEVPHASE_s) -DPKGVERSION=$(PKGVERSION_s) \
+	  -DBUGURL=$(BUGURL_s) -combine
+
+# A couple object files don't share a base name with their source files.
+$(out_object_file): $(out_file)
+	$(COMPILE) $<
+gcc-options.o: options.c
+	$(COMPILE) $<
+
+# Make sure generated files are built at the right time.
+$(ALL_HOST_OBJS): | $(generated_files)
+
+# Include the auto-generated dependencies for all host objects.
+DEPFILES = \
+  $(foreach obj,$(ALL_HOST_OBJS),\
+    $(dir $(obj))$(DEPDIR)$(patsubst %.o,%.Po,$(notdir $(obj))))
+-include $(DEPFILES)
+
+# Include the auto-generated dependencies for all build objects.
+-include $(patsubst %.o,build/$(DEPDIR)/%.Po,$(ALL_BUILD_OBJS))