diff --git a/ChangeLog b/ChangeLog
index 71be05bd4..dd6e39f44 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2002-12-02  Nathanael Nerode  <neroden@gcc.gnu.org>
+
+	* configure: Move gcc_version_trigger stuff from here...
+	* configure.in: ...to here.
+
+	* configure.in: Separate subconfigure options added by this file from
+	options given by the user.  Add machinery to put args for host
+	subconfigures into the Makefile.
+
+	* Makefile.tpl: Remove 'vault' targets.
+	* Makefile.tpl: Reorder and comment dependencies.
+	* Makefile.in: Regenerate.
+
 2002-11-28  Geoffrey Keating  <geoffk@apple.com>
 
 	* configure.in: Move host-specific darwin noconfigdirs into
diff --git a/Makefile.in b/Makefile.in
index 67c239b49..b591d6294 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1186,7 +1186,7 @@ mail-report-with-warnings.log: warning.log
 
 # Installation targets.
 
-.PHONY: install uninstall source-vault binary-vault vault-install
+.PHONY: install uninstall
 install: installdirs @install_host_modules@ @install_target_modules@
 
 install-target: @install_target_modules@
@@ -1194,21 +1194,6 @@ install-target: @install_target_modules@
 uninstall:
 	@echo "the uninstall target is not supported in this tree"
 
-source-vault:
-	$(MAKE) -f ./release/Build-A-Release \
-		host=$(host_alias) source-vault
-
-binary-vault:
-	$(MAKE) -f ./release/Build-A-Release \
-		host=$(host_alias) target=$(target_alias)
-
-vault-install:
-	@if [ -f ./release/vault-install ] ; then \
-	  ./release/vault-install $(host_alias) $(target_alias) ; \
-	else \
-	  true ; \
-	fi
-
 .PHONY: install.all
 install.all: install-no-fixedincludes
 	@if [ -f ./gcc/Makefile ] ; then \
@@ -4968,90 +4953,112 @@ install-gcc:
 	  true; \
 	fi
 
-ALL_GCC = maybe-all-gcc
-ALL_GCC_C = $(ALL_GCC) maybe-all-target-newlib maybe-all-target-libgloss
-ALL_GCC_CXX = $(ALL_GCC_C) maybe-all-target-libstdc++-v3
+# --------------------------------------
+# Dependencies between different modules
+# --------------------------------------
 
-# This is a list of inter-dependencies among modules.
-all-autoconf: maybe-all-m4 maybe-all-texinfo
-all-automake: maybe-all-m4 maybe-all-texinfo
-all-bfd: maybe-all-libiberty maybe-all-intl
-all-binutils: maybe-all-libiberty maybe-all-opcodes maybe-all-bfd maybe-all-flex maybe-all-bison maybe-all-byacc maybe-all-intl
-all-bison: maybe-all-texinfo
-configure-target-boehm-gc: $(ALL_GCC_C) maybe-configure-target-qthreads
-all-dejagnu: maybe-all-tcl maybe-all-expect maybe-all-tk
-all-diff: maybe-all-libiberty
-configure-target-examples: $(ALL_GCC_C)
-all-expect: maybe-all-tcl maybe-all-tk
-all-fileutils: maybe-all-libiberty
-all-flex: maybe-all-libiberty maybe-all-bison maybe-all-byacc
-all-gas: maybe-all-libiberty maybe-all-opcodes maybe-all-bfd maybe-all-intl
+# There are two types of dependencies here: 'hard' dependencies, where one
+# module simply won't build without the other; and 'soft' dependencies, where
+# if the depended-on module is missing, the depending module will do without
+# or find a substitute somewhere (perhaps installed).  Soft dependencies
+# are specified by depending on a 'maybe-' target.  If you're not sure,
+# it's safer to use a soft dependency.
+
+# Host modules specific to gcc.
 all-gcc: maybe-all-libiberty maybe-all-bison maybe-all-byacc maybe-all-binutils maybe-all-gas maybe-all-ld maybe-all-zlib
+# This is a slightly kludgy method of getting dependencies on 
+# all-build-libiberty correct; it would be better to build it every time.
+all-gcc: maybe-all-build-libiberty
 all-bootstrap: maybe-all-libiberty maybe-all-texinfo maybe-all-bison maybe-all-byacc maybe-all-binutils maybe-all-gas maybe-all-ld maybe-all-zlib
+
+# Host modules specific to gdb.
 GDB_TK = @GDB_TK@
 all-gdb: maybe-all-libiberty maybe-all-opcodes maybe-all-bfd maybe-all-mmalloc maybe-all-readline maybe-all-bison maybe-all-byacc maybe-all-sim $(gdbnlmrequirements) $(GDB_TK)
-configure-target-gperf: $(ALL_GCC_CXX)
-all-target-gperf: maybe-all-target-libiberty maybe-all-target-libstdc++-v3
-all-gprof: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-intl
-all-grep: maybe-all-libiberty
-all-gzip: maybe-all-libiberty
-all-hello: maybe-all-libiberty
-all-itcl: maybe-all-tcl maybe-all-tk
-all-ld: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-bison maybe-all-byacc maybe-all-flex maybe-all-intl
-configure-target-libgloss: $(ALL_GCC)
-all-target-libgloss: maybe-configure-target-newlib
-all-libgui: maybe-all-tcl maybe-all-tk maybe-all-itcl
-configure-target-libffi: $(ALL_GCC_C) 
-configure-target-libjava: $(ALL_GCC_C) maybe-configure-target-zlib maybe-configure-target-boehm-gc maybe-configure-target-qthreads maybe-configure-target-libffi
-all-target-libjava: maybe-all-fastjar maybe-all-target-zlib maybe-all-target-boehm-gc maybe-all-target-qthreads maybe-all-target-libffi
-configure-target-libstdc++-v3: $(ALL_GCC_C)
-all-target-libstdc++-v3: maybe-all-target-libiberty
-configure-target-libf2c: $(ALL_GCC_C)
-all-target-libf2c: maybe-all-target-libiberty
-configure-target-libobjc: $(ALL_GCC_C)
-all-target-libobjc: maybe-all-target-libiberty
-all-m4: maybe-all-libiberty maybe-all-texinfo
-all-make: maybe-all-libiberty
-configure-target-newlib: $(ALL_GCC)
-configure-target-libtermcap: $(ALL_GCC_C)
-all-opcodes: maybe-all-bfd maybe-all-libiberty
-all-patch: maybe-all-libiberty
-all-prms: maybe-all-libiberty
-configure-target-qthreads: $(ALL_GCC_C)
-all-recode: maybe-all-libiberty
-all-sed: maybe-all-libiberty
-all-send-pr: maybe-all-prms
-all-sid: maybe-all-tcl maybe-all-tk
-all-sim: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-readline
-all-snavigator: maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-db maybe-all-grep maybe-all-libgui
-all-tar: maybe-all-libiberty
-all-tclX: maybe-all-tcl maybe-all-tk
-all-tk: maybe-all-tcl
-all-texinfo: maybe-all-libiberty
-all-tix: maybe-all-tcl maybe-all-tk
-configure-target-winsup: $(ALL_GCC_C)
-all-target-winsup: maybe-all-target-libiberty maybe-all-target-libtermcap
-all-uudecode: maybe-all-libiberty
-configure-target-zlib: $(ALL_GCC_C)
-all-fastjar: maybe-all-zlib maybe-all-libiberty
-configure-target-fastjar: maybe-configure-target-zlib
-all-target-fastjar: maybe-all-target-zlib maybe-all-target-libiberty
-configure-target-libiberty: $(ALL_GCC_C)
 install-gdb: maybe-install-tcl maybe-install-tk maybe-install-itcl maybe-install-tix maybe-install-libgui
-install-sid: maybe-install-tcl maybe-install-tk
+all-libgui: maybe-all-tcl maybe-all-tk maybe-all-itcl
 
+# Host modules specific to binutils.
+all-bfd: maybe-all-libiberty maybe-all-intl
+all-binutils: maybe-all-libiberty maybe-all-opcodes maybe-all-bfd maybe-all-flex maybe-all-bison maybe-all-byacc maybe-all-intl
 # We put install-opcodes before install-binutils because the installed
 # binutils might be on PATH, and they might need the shared opcodes
 # library.
 install-binutils: maybe-install-opcodes
+all-gas: maybe-all-libiberty maybe-all-opcodes maybe-all-bfd maybe-all-intl
+all-gprof: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-intl
+all-ld: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-bison maybe-all-byacc maybe-all-flex maybe-all-intl
+all-opcodes: maybe-all-bfd maybe-all-libiberty
 
+# Other host modules in the 'src' repository.
+all-dejagnu: maybe-all-tcl maybe-all-expect maybe-all-tk
+all-expect: maybe-all-tcl maybe-all-tk
+all-itcl: maybe-all-tcl maybe-all-tk
 # We put install-tcl before install-itcl because itcl wants to run a
 # program on installation which uses the Tcl libraries.
 install-itcl: maybe-install-tcl
+all-sid: maybe-all-tcl maybe-all-tk
+install-sid: maybe-install-tcl maybe-install-tk
+all-sim: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-readline
+all-tk: maybe-all-tcl
+all-tix: maybe-all-tcl maybe-all-tk
+all-texinfo: maybe-all-libiberty
 
-# This is a slightly kludgy method of getting dependencies on 
-# all-build-libiberty correct; it would be better to build it every time.
-all-gcc: maybe-all-build-libiberty
+# Other host modules.  Warning, these are not well tested.
+all-autoconf: maybe-all-m4 maybe-all-texinfo
+all-automake: maybe-all-m4 maybe-all-texinfo
+all-bison: maybe-all-texinfo
+all-diff: maybe-all-libiberty
+all-fastjar: maybe-all-zlib maybe-all-libiberty
+all-fileutils: maybe-all-libiberty
+all-flex: maybe-all-libiberty maybe-all-bison maybe-all-byacc
+all-grep: maybe-all-libiberty
+all-gzip: maybe-all-libiberty
+all-hello: maybe-all-libiberty
+all-m4: maybe-all-libiberty maybe-all-texinfo
+all-make: maybe-all-libiberty
+all-patch: maybe-all-libiberty
+all-prms: maybe-all-libiberty
+all-recode: maybe-all-libiberty
+all-sed: maybe-all-libiberty
+all-send-pr: maybe-all-prms
+all-snavigator: maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-db maybe-all-grep maybe-all-libgui
+all-tar: maybe-all-libiberty
+all-tclX: maybe-all-tcl maybe-all-tk
+all-uudecode: maybe-all-libiberty
+
+ALL_GCC = maybe-all-gcc
+ALL_GCC_C = $(ALL_GCC) maybe-all-target-newlib maybe-all-target-libgloss
+ALL_GCC_CXX = $(ALL_GCC_C) maybe-all-target-libstdc++-v3
+
+# Target modules specific to gcc.
+configure-target-boehm-gc: $(ALL_GCC_C) maybe-configure-target-qthreads
+configure-target-fastjar: maybe-configure-target-zlib
+all-target-fastjar: maybe-all-target-zlib maybe-all-target-libiberty
+configure-target-libf2c: $(ALL_GCC_C)
+all-target-libf2c: maybe-all-target-libiberty
+configure-target-libffi: $(ALL_GCC_C) 
+configure-target-libjava: $(ALL_GCC_C) maybe-configure-target-zlib maybe-configure-target-boehm-gc maybe-configure-target-qthreads maybe-configure-target-libffi
+all-target-libjava: maybe-all-fastjar maybe-all-target-zlib maybe-all-target-boehm-gc maybe-all-target-qthreads maybe-all-target-libffi
+configure-target-libobjc: $(ALL_GCC_C)
+all-target-libobjc: maybe-all-target-libiberty
+configure-target-libstdc++-v3: $(ALL_GCC_C)
+all-target-libstdc++-v3: maybe-all-target-libiberty
+configure-target-zlib: $(ALL_GCC_C)
+
+# Target modules in the 'src' repository.
+configure-target-examples: $(ALL_GCC_C)
+configure-target-libgloss: $(ALL_GCC)
+all-target-libgloss: maybe-configure-target-newlib
+configure-target-libiberty: $(ALL_GCC_C)
+configure-target-libtermcap: $(ALL_GCC_C)
+configure-target-newlib: $(ALL_GCC)
+configure-target-winsup: $(ALL_GCC_C)
+all-target-winsup: maybe-all-target-libiberty maybe-all-target-libtermcap
+
+# Other target modules.  Warning, these are not well tested.
+configure-target-gperf: $(ALL_GCC_CXX)
+all-target-gperf: maybe-all-target-libiberty maybe-all-target-libstdc++-v3
+configure-target-qthreads: $(ALL_GCC_C)
 
 # Dependencies of all-build-foo on configure-build-foo.
 all-build-libiberty: configure-build-libiberty
diff --git a/Makefile.tpl b/Makefile.tpl
index af1b9133f..f505ae63a 100644
--- a/Makefile.tpl
+++ b/Makefile.tpl
@@ -729,7 +729,7 @@ mail-report-with-warnings.log: warning.log
 
 # Installation targets.
 
-.PHONY: install uninstall source-vault binary-vault vault-install
+.PHONY: install uninstall
 install: installdirs @install_host_modules@ @install_target_modules@
 
 install-target: @install_target_modules@
@@ -737,21 +737,6 @@ install-target: @install_target_modules@
 uninstall:
 	@echo "the uninstall target is not supported in this tree"
 
-source-vault:
-	$(MAKE) -f ./release/Build-A-Release \
-		host=$(host_alias) source-vault
-
-binary-vault:
-	$(MAKE) -f ./release/Build-A-Release \
-		host=$(host_alias) target=$(target_alias)
-
-vault-install:
-	@if [ -f ./release/vault-install ] ; then \
-	  ./release/vault-install $(host_alias) $(target_alias) ; \
-	else \
-	  true ; \
-	fi
-
 .PHONY: install.all
 install.all: install-no-fixedincludes
 	@if [ -f ./gcc/Makefile ] ; then \
@@ -1172,90 +1157,112 @@ install-gcc:
 	  true; \
 	fi
 
-ALL_GCC = maybe-all-gcc
-ALL_GCC_C = $(ALL_GCC) maybe-all-target-newlib maybe-all-target-libgloss
-ALL_GCC_CXX = $(ALL_GCC_C) maybe-all-target-libstdc++-v3
+# --------------------------------------
+# Dependencies between different modules
+# --------------------------------------
 
-# This is a list of inter-dependencies among modules.
-all-autoconf: maybe-all-m4 maybe-all-texinfo
-all-automake: maybe-all-m4 maybe-all-texinfo
-all-bfd: maybe-all-libiberty maybe-all-intl
-all-binutils: maybe-all-libiberty maybe-all-opcodes maybe-all-bfd maybe-all-flex maybe-all-bison maybe-all-byacc maybe-all-intl
-all-bison: maybe-all-texinfo
-configure-target-boehm-gc: $(ALL_GCC_C) maybe-configure-target-qthreads
-all-dejagnu: maybe-all-tcl maybe-all-expect maybe-all-tk
-all-diff: maybe-all-libiberty
-configure-target-examples: $(ALL_GCC_C)
-all-expect: maybe-all-tcl maybe-all-tk
-all-fileutils: maybe-all-libiberty
-all-flex: maybe-all-libiberty maybe-all-bison maybe-all-byacc
-all-gas: maybe-all-libiberty maybe-all-opcodes maybe-all-bfd maybe-all-intl
+# There are two types of dependencies here: 'hard' dependencies, where one
+# module simply won't build without the other; and 'soft' dependencies, where
+# if the depended-on module is missing, the depending module will do without
+# or find a substitute somewhere (perhaps installed).  Soft dependencies
+# are specified by depending on a 'maybe-' target.  If you're not sure,
+# it's safer to use a soft dependency.
+
+# Host modules specific to gcc.
 all-gcc: maybe-all-libiberty maybe-all-bison maybe-all-byacc maybe-all-binutils maybe-all-gas maybe-all-ld maybe-all-zlib
+# This is a slightly kludgy method of getting dependencies on 
+# all-build-libiberty correct; it would be better to build it every time.
+all-gcc: maybe-all-build-libiberty
 all-bootstrap: maybe-all-libiberty maybe-all-texinfo maybe-all-bison maybe-all-byacc maybe-all-binutils maybe-all-gas maybe-all-ld maybe-all-zlib
+
+# Host modules specific to gdb.
 GDB_TK = @GDB_TK@
 all-gdb: maybe-all-libiberty maybe-all-opcodes maybe-all-bfd maybe-all-mmalloc maybe-all-readline maybe-all-bison maybe-all-byacc maybe-all-sim $(gdbnlmrequirements) $(GDB_TK)
-configure-target-gperf: $(ALL_GCC_CXX)
-all-target-gperf: maybe-all-target-libiberty maybe-all-target-libstdc++-v3
-all-gprof: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-intl
-all-grep: maybe-all-libiberty
-all-gzip: maybe-all-libiberty
-all-hello: maybe-all-libiberty
-all-itcl: maybe-all-tcl maybe-all-tk
-all-ld: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-bison maybe-all-byacc maybe-all-flex maybe-all-intl
-configure-target-libgloss: $(ALL_GCC)
-all-target-libgloss: maybe-configure-target-newlib
-all-libgui: maybe-all-tcl maybe-all-tk maybe-all-itcl
-configure-target-libffi: $(ALL_GCC_C) 
-configure-target-libjava: $(ALL_GCC_C) maybe-configure-target-zlib maybe-configure-target-boehm-gc maybe-configure-target-qthreads maybe-configure-target-libffi
-all-target-libjava: maybe-all-fastjar maybe-all-target-zlib maybe-all-target-boehm-gc maybe-all-target-qthreads maybe-all-target-libffi
-configure-target-libstdc++-v3: $(ALL_GCC_C)
-all-target-libstdc++-v3: maybe-all-target-libiberty
-configure-target-libf2c: $(ALL_GCC_C)
-all-target-libf2c: maybe-all-target-libiberty
-configure-target-libobjc: $(ALL_GCC_C)
-all-target-libobjc: maybe-all-target-libiberty
-all-m4: maybe-all-libiberty maybe-all-texinfo
-all-make: maybe-all-libiberty
-configure-target-newlib: $(ALL_GCC)
-configure-target-libtermcap: $(ALL_GCC_C)
-all-opcodes: maybe-all-bfd maybe-all-libiberty
-all-patch: maybe-all-libiberty
-all-prms: maybe-all-libiberty
-configure-target-qthreads: $(ALL_GCC_C)
-all-recode: maybe-all-libiberty
-all-sed: maybe-all-libiberty
-all-send-pr: maybe-all-prms
-all-sid: maybe-all-tcl maybe-all-tk
-all-sim: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-readline
-all-snavigator: maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-db maybe-all-grep maybe-all-libgui
-all-tar: maybe-all-libiberty
-all-tclX: maybe-all-tcl maybe-all-tk
-all-tk: maybe-all-tcl
-all-texinfo: maybe-all-libiberty
-all-tix: maybe-all-tcl maybe-all-tk
-configure-target-winsup: $(ALL_GCC_C)
-all-target-winsup: maybe-all-target-libiberty maybe-all-target-libtermcap
-all-uudecode: maybe-all-libiberty
-configure-target-zlib: $(ALL_GCC_C)
-all-fastjar: maybe-all-zlib maybe-all-libiberty
-configure-target-fastjar: maybe-configure-target-zlib
-all-target-fastjar: maybe-all-target-zlib maybe-all-target-libiberty
-configure-target-libiberty: $(ALL_GCC_C)
 install-gdb: maybe-install-tcl maybe-install-tk maybe-install-itcl maybe-install-tix maybe-install-libgui
-install-sid: maybe-install-tcl maybe-install-tk
+all-libgui: maybe-all-tcl maybe-all-tk maybe-all-itcl
 
+# Host modules specific to binutils.
+all-bfd: maybe-all-libiberty maybe-all-intl
+all-binutils: maybe-all-libiberty maybe-all-opcodes maybe-all-bfd maybe-all-flex maybe-all-bison maybe-all-byacc maybe-all-intl
 # We put install-opcodes before install-binutils because the installed
 # binutils might be on PATH, and they might need the shared opcodes
 # library.
 install-binutils: maybe-install-opcodes
+all-gas: maybe-all-libiberty maybe-all-opcodes maybe-all-bfd maybe-all-intl
+all-gprof: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-intl
+all-ld: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-bison maybe-all-byacc maybe-all-flex maybe-all-intl
+all-opcodes: maybe-all-bfd maybe-all-libiberty
 
+# Other host modules in the 'src' repository.
+all-dejagnu: maybe-all-tcl maybe-all-expect maybe-all-tk
+all-expect: maybe-all-tcl maybe-all-tk
+all-itcl: maybe-all-tcl maybe-all-tk
 # We put install-tcl before install-itcl because itcl wants to run a
 # program on installation which uses the Tcl libraries.
 install-itcl: maybe-install-tcl
+all-sid: maybe-all-tcl maybe-all-tk
+install-sid: maybe-install-tcl maybe-install-tk
+all-sim: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-readline
+all-tk: maybe-all-tcl
+all-tix: maybe-all-tcl maybe-all-tk
+all-texinfo: maybe-all-libiberty
 
-# This is a slightly kludgy method of getting dependencies on 
-# all-build-libiberty correct; it would be better to build it every time.
-all-gcc: maybe-all-build-libiberty
+# Other host modules.  Warning, these are not well tested.
+all-autoconf: maybe-all-m4 maybe-all-texinfo
+all-automake: maybe-all-m4 maybe-all-texinfo
+all-bison: maybe-all-texinfo
+all-diff: maybe-all-libiberty
+all-fastjar: maybe-all-zlib maybe-all-libiberty
+all-fileutils: maybe-all-libiberty
+all-flex: maybe-all-libiberty maybe-all-bison maybe-all-byacc
+all-grep: maybe-all-libiberty
+all-gzip: maybe-all-libiberty
+all-hello: maybe-all-libiberty
+all-m4: maybe-all-libiberty maybe-all-texinfo
+all-make: maybe-all-libiberty
+all-patch: maybe-all-libiberty
+all-prms: maybe-all-libiberty
+all-recode: maybe-all-libiberty
+all-sed: maybe-all-libiberty
+all-send-pr: maybe-all-prms
+all-snavigator: maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-db maybe-all-grep maybe-all-libgui
+all-tar: maybe-all-libiberty
+all-tclX: maybe-all-tcl maybe-all-tk
+all-uudecode: maybe-all-libiberty
+
+ALL_GCC = maybe-all-gcc
+ALL_GCC_C = $(ALL_GCC) maybe-all-target-newlib maybe-all-target-libgloss
+ALL_GCC_CXX = $(ALL_GCC_C) maybe-all-target-libstdc++-v3
+
+# Target modules specific to gcc.
+configure-target-boehm-gc: $(ALL_GCC_C) maybe-configure-target-qthreads
+configure-target-fastjar: maybe-configure-target-zlib
+all-target-fastjar: maybe-all-target-zlib maybe-all-target-libiberty
+configure-target-libf2c: $(ALL_GCC_C)
+all-target-libf2c: maybe-all-target-libiberty
+configure-target-libffi: $(ALL_GCC_C) 
+configure-target-libjava: $(ALL_GCC_C) maybe-configure-target-zlib maybe-configure-target-boehm-gc maybe-configure-target-qthreads maybe-configure-target-libffi
+all-target-libjava: maybe-all-fastjar maybe-all-target-zlib maybe-all-target-boehm-gc maybe-all-target-qthreads maybe-all-target-libffi
+configure-target-libobjc: $(ALL_GCC_C)
+all-target-libobjc: maybe-all-target-libiberty
+configure-target-libstdc++-v3: $(ALL_GCC_C)
+all-target-libstdc++-v3: maybe-all-target-libiberty
+configure-target-zlib: $(ALL_GCC_C)
+
+# Target modules in the 'src' repository.
+configure-target-examples: $(ALL_GCC_C)
+configure-target-libgloss: $(ALL_GCC)
+all-target-libgloss: maybe-configure-target-newlib
+configure-target-libiberty: $(ALL_GCC_C)
+configure-target-libtermcap: $(ALL_GCC_C)
+configure-target-newlib: $(ALL_GCC)
+configure-target-winsup: $(ALL_GCC_C)
+all-target-winsup: maybe-all-target-libiberty maybe-all-target-libtermcap
+
+# Other target modules.  Warning, these are not well tested.
+configure-target-gperf: $(ALL_GCC_CXX)
+all-target-gperf: maybe-all-target-libiberty maybe-all-target-libstdc++-v3
+configure-target-qthreads: $(ALL_GCC_C)
 
 # Dependencies of all-build-foo on configure-build-foo.
 [+ FOR build_modules +]all-build-[+module+]: configure-build-[+module+]
diff --git a/configure b/configure
index 465c7032d..9fe331424 100755
--- a/configure
+++ b/configure
@@ -585,28 +585,6 @@ case "${exec_prefixoption}" in
 *) ;;
 esac
 
-# Define the trigger file to make sure configure will re-run whenever
-# the gcc version number changes.
-if [ "${with_gcc_version_trigger+set}" = set ]; then
-    gcc_version_trigger="$with_gcc_version_trigger"
-    gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
-else
-    # If gcc's sources are available, define the trigger file.
-    if [ -f ${topsrcdir}/gcc/version.c ] ; then
-	gcc_version_trigger=${topsrcdir}/gcc/version.c
-	gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
-	case "$arguments" in
-	  *--with-gcc-version-trigger=$gcc_version_trigger* )
-	    ;;
-	  * )
-	    # Make sure configure.in knows about this.
-	    arguments="--with-gcc-version-trigger=$gcc_version_trigger $arguments"
-	    ;;
-	esac
-	withoptions="--with-gcc-version-trigger=$gcc_version_trigger $withoptions"
-    fi
-fi
-
 ### break up ${srcdir}/configure.in.
 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 "")
diff --git a/configure.in b/configure.in
index 34f85870d..c2fd28e8f 100644
--- a/configure.in
+++ b/configure.in
@@ -33,6 +33,30 @@
 
 ##############################################################################
 
+extra_host_args=
+# Define the trigger file to make sure configure will re-run whenever
+# the gcc version number changes.
+if [ "${with_gcc_version_trigger+set}" = set ]; then
+    gcc_version_trigger="$with_gcc_version_trigger"
+    gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
+else
+    # If gcc's sources are available, define the trigger file.
+    if [ -f ${topsrcdir}/gcc/version.c ] ; then
+	gcc_version_trigger=${topsrcdir}/gcc/version.c
+	gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
+	case "$arguments" in
+	  *--with-gcc-version-trigger=$gcc_version_trigger* )
+	    ;;
+	  * )
+	    # Add to all subconfigure arguments: build, host, and target.
+	    arguments="--with-gcc-version-trigger=$gcc_version_trigger $arguments"
+	    ;;
+	esac
+	# This will be redundant when we start all subconfigures from the Makefile.
+	extra_host_args="--with-gcc-version-trigger=$gcc_version_trigger $extra_host_args"
+    fi
+fi
+
 ### To add a new directory to the tree, first choose whether it is a target
 ### or a host dependent tool.  Then put it into the appropriate list
 ### (library or tools, host or target), doing a dependency sort.  For
@@ -1189,21 +1213,21 @@ fi
 if test x${use_gnu_as} = x &&
    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
   with_gnu_as=yes
-  withoptions="$withoptions --with-gnu-as"
+  extra_host_args="$extra_host_args --with-gnu-as"
 fi
 
 if test x${use_gnu_ld} = x &&
    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
   with_gnu_ld=yes
-  withoptions="$withoptions --with-gnu-ld"
+  extra_host_args="$extra_host_args --with-gnu-ld"
 fi
 
-# If using newlib, add --with-newlib to the withoptions so that gcc/configure
+# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
 # can detect this case.
 
 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
   with_newlib=yes
-  withoptions="$withoptions --with-newlib"
+  extra_host_args="$extra_host_args --with-newlib"
 fi
 
 # We default to --with-shared on platforms where -fpic is meaningless.
@@ -1230,13 +1254,13 @@ if test x${with_stabs} = x ; then
   case "${target}" in
   mips*-*-irix6*o32)
     with_stabs=yes;
-    withoptions="${withoptions} --with-stabs"
+    extra_host_args="${extra_host_args} --with-stabs"
     ;;
   mips*-*-irix6*)
     ;;
   mips*-*-* | alpha*-*-osf*)
     with_stabs=yes;
-    withoptions="${withoptions} --with-stabs"
+    extra_host_args="${extra_host_args} --with-stabs"
     ;;
   esac
 fi
@@ -1245,10 +1269,13 @@ fi
 # them automatically.
 case "${host}" in
   hppa*64*-*-hpux11*)	
-    withoptions="$withoptions -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
+    extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
     ;;
 esac
 
+# This will go away when we start subconfigures from the Makefile.
+withoptions="${withoptions} ${extra_host_args}"
+
 # If we aren't going to be using gcc, see if we can extract a definition
 # of CC from the fragment.
 # Actually, use the 'pre-extracted' version above.
@@ -1422,6 +1449,18 @@ baseargs=`echo "${arguments}" | \
 # desired.
 buildargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
 
+# For host modules, accept cache file option, or specification as blank.
+case "${cache_file}" in
+"") # empty
+  cache_file_option="" ;;
+/* | [A-Za-z]:[\\/]* ) # absolute path
+  cache_file_option="--cache-file=${cache_file}" ;;
+*) # relative path
+  cache_file_option="--cache-file=../${cache_file}" ;;
+esac
+
+hostargs="${cache_file_option} ${buildopt} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
+
 targargs=${baseargs}
 
 # Passing a --with-cross-host argument lets the target libraries know
@@ -1639,6 +1678,7 @@ s%@target_subdir@%${target_subdir}%
 s%@build_subdir@%${build_subdir}%
 s%@build_configargs@%${buildargs}%
 s%@gxx_include_dir@%${gxx_include_dir}%
+s%@host_configargs@%${hostargs}%
 EOF
 sed -f $sedtemp Makefile > Makefile.tem
 rm -f Makefile $sedtemp