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Correct PR numbers
[pf3gnuchains/gcc-fork.git] / Makefile.tpl
index ac15895..f9c58c1 100644 (file)
@@ -113,11 +113,23 @@ BUILD_SUBDIR = @build_subdir@
 # This is set by the configure script to the arguments to use when configuring
 # directories built for the build system.
 BUILD_CONFIGARGS = @build_configargs@
+
+# This is the list of variables to export in the environment when
+# configuring any subdirectory.  It must also be exported whenever
+# recursing into a build directory in case that directory's Makefile
+# re-runs configure.
+BASE_EXPORTS = \
+       FLEX="$(FLEX)"; export FLEX; \
+       LEX="$(LEX)"; export LEX; \
+       BISON="$(BISON)"; export BISON; \
+       YACC="$(YACC)"; export YACC; \
+       M4="$(M4)"; export M4; \
+       MAKEINFO="$(MAKEINFO)"; export MAKEINFO;
+
 # This is the list of variables to export in the environment when
-# configuring subdirectories for the build system.  It must also be
-# exported whenever recursing into a build directory in case that
-# directory's Makefile re-runs configure.
+# configuring subdirectories for the build system.
 BUILD_EXPORTS = \
+       $(BASE_EXPORTS) \
        AR="$(AR_FOR_BUILD)"; export AR; \
        AS="$(AS_FOR_BUILD)"; export AS; \
        CC="$(CC_FOR_BUILD)"; export CC; \
@@ -140,10 +152,9 @@ SUBDIRS = @configdirs@
 # directories built for the host system.
 HOST_CONFIGARGS = @host_configargs@
 # This is the list of variables to export in the environment when
-# configuring subdirectories for the host system.  It must also be
-# exported whenever recursing into a host directory in case that
-# directory's Makefile re-runs configure.
+# configuring subdirectories for the host system.
 HOST_EXPORTS = \
+       $(BASE_EXPORTS) \
        CC="$(CC)"; export CC; \
        CFLAGS="$(CFLAGS)"; export CFLAGS; \
        CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
@@ -159,18 +170,14 @@ HOST_EXPORTS = \
        RANLIB="$(RANLIB)"; export RANLIB; \
        WINDRES="$(WINDRES)"; export WINDRES; \
        OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \
-       OBJDUMP="$(OBJDUMP)"; export OBJDUMP;
-
-# Similar, for the gcc directory.
-GCC_HOST_EXPORTS = \
-       $(HOST_EXPORTS) \
+       OBJDUMP="$(OBJDUMP)"; export OBJDUMP; \
        TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \
        GMPLIBS="$(HOST_GMPLIBS)"; export GMPLIBS; \
        GMPINC="$(HOST_GMPINC)"; export GMPINC;
 
 # Similar, for later GCC stages.
 STAGE_HOST_EXPORTS = \
-       $(GCC_HOST_EXPORTS) \
+       $(HOST_EXPORTS) \
        CC="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/"; export CC; \
        CC_FOR_BUILD="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/"; export CC_FOR_BUILD;
 
@@ -183,10 +190,9 @@ TARGET_SUBDIR = @target_subdir@
 # directories built for the target.
 TARGET_CONFIGARGS = @target_configargs@
 # This is the list of variables to export in the environment when
-# configuring subdirectories for the host system.  It must also be
-# exported whenever recursing into a host directory in case that
-# directory's Makefile re-runs configure.
+# configuring subdirectories for the host system.
 BASE_TARGET_EXPORTS = \
+       $(BASE_EXPORTS) \
        AR="$(AR_FOR_TARGET)"; export AR; \
        AS="$(AS_FOR_TARGET)"; export AS; \
        CC="$(CC_FOR_TARGET)"; export CC; \
@@ -237,47 +243,55 @@ CFLAGS_FOR_BUILD = @CFLAGS_FOR_BUILD@
 
 CXX_FOR_BUILD = $(CXX)
 
+# Path to the build directory for a Canadian cross, empty otherwise.
+BUILD_DIR_PREFIX = @BUILD_DIR_PREFIX@
+
 # Special variables passed down in EXTRA_GCC_FLAGS.  They are defined
 # here so that they can be overridden by Makefile fragments.
 BUILD_PREFIX = @BUILD_PREFIX@
 BUILD_PREFIX_1 = @BUILD_PREFIX_1@
 
-BISON=@BISON@
-USUAL_BISON = `if [ -f $$r/bison/bison ] ; then \
-           echo $$r/bison/bison -L $$s/bison/ ; \
+CONFIGURED_BISON = @CONFIGURED_BISON@
+BISON = `if [ -f $$r/$(BUILD_DIR_PREFIX)/bison/bison ] ; then \
+           echo $$r/$(BUILD_DIR_PREFIX)/bison/bison -L $$s/bison/ ; \
         else \
-           echo bison ; \
+           echo ${CONFIGURED_BISON} ; \
         fi`
 
-DEFAULT_YACC = @DEFAULT_YACC@
-YACC=@YACC@
-USUAL_YACC = `if [ -f $$r/bison/bison ] ; then \
-           echo $$r/bison/bison -y -L $$s/bison/ ; \
-       elif [ -f $$r/byacc/byacc ] ; then \
-           echo $$r/byacc/byacc ; \
+CONFIGURED_YACC = @CONFIGURED_YACC@
+YACC = `if [ -f $$s/$(BUILD_DIR_PREFIX)/bison/bison ] ; then \
+           echo $$r/$(BUILD_DIR_PREFIX)/bison/bison -y -L $$s/bison/ ; \
+       elif [ -f $$s/$(BUILD_DIR_PREFIX)/byacc/byacc ] ; then \
+           echo $$r/$(BUILD_DIR_PREFIX)/byacc/byacc ; \
        else \
-           echo ${DEFAULT_YACC} ; \
+           echo ${CONFIGURED_YACC} ; \
        fi`
 
-DEFAULT_LEX = @DEFAULT_LEX@
-LEX=@LEX@
-USUAL_LEX = `if [ -f $$r/flex/flex ] ; \
-       then echo $$r/flex/flex ; \
-       else echo ${DEFAULT_LEX} ; fi`
+CONFIGURED_FLEX = @CONFIGURED_FLEX@
+FLEX = `if [ -f $$r/$(BUILD_DIR_PREFIX)/flex/flex ] ; \
+       then echo $$r/$(BUILD_DIR_PREFIX)/flex/flex ; \
+       else echo ${CONFIGURED_FLEX} ; fi`
+
+CONFIGURED_LEX = @CONFIGURED_LEX@
+LEX = `if [ -f $$r/$(BUILD_DIR_PREFIX)/flex/flex ] ; \
+       then echo $$r/$(BUILD_DIR_PREFIX)/flex/flex ; \
+       else echo ${CONFIGURED_LEX} ; fi`
 
-DEFAULT_M4 = @DEFAULT_M4@
-M4 = `if [ -f $$r/m4/m4 ] ; \
-       then echo $$r/m4/m4 ; \
-       else echo ${DEFAULT_M4} ; fi`
+CONFIGURED_M4 = @CONFIGURED_M4@
+M4 = `if [ -f $$r/$(BUILD_DIR_PREFIX)/m4/m4 ] ; \
+       then echo $$r/$(BUILD_DIR_PREFIX)/m4/m4 ; \
+       else echo ${CONFIGURED_M4} ; fi`
 
 # For an installed makeinfo, we require it to be from texinfo 4.2 or
-# higher, else we use the "missing" dummy.
-MAKEINFO=@MAKEINFO@
-USUAL_MAKEINFO = `if [ -f $$r/texinfo/makeinfo/makeinfo ] ; \
-       then echo $$r/texinfo/makeinfo/makeinfo ; \
-       else if (makeinfo --version \
+# higher, else we use the "missing" dummy.  We also pass the subdirectory
+# makeinfo even if only the Makefile is there, because Texinfo builds its
+# manual when made, and it requires its own version.
+CONFIGURED_MAKEINFO = @CONFIGURED_MAKEINFO@
+MAKEINFO = `if [ -f $$r/$(BUILD_DIR_PREFIX)/texinfo/makeinfo/Makefile ] ; \
+       then echo $$r/$(BUILD_DIR_PREFIX)/texinfo/makeinfo/makeinfo ; \
+       else if (${CONFIGURED_MAKEINFO} --version \
          | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[2-9]|[5-9])') >/dev/null 2>&1; \
-        then echo makeinfo; else echo $$s/missing makeinfo; fi; fi`
+        then echo ${CONFIGURED_MAKEINFO}; else echo $$s/missing makeinfo; fi; fi`
 
 # This just becomes part of the MAKEINFO definition passed down to
 # sub-makes.  It lets flags be given on the command line while still
@@ -470,6 +484,14 @@ PICFLAG_FOR_TARGET =
 # Miscellaneous targets and flag lists
 # ------------------------------------
 
+@if gcc-bootstrap
+# Let's leave this as the first rule in the file until toplevel
+# bootstrap is fleshed out completely.
+sorry:
+       @echo Toplevel bootstrap temporarily out of commission.
+       @echo Please reconfigure without --enable-bootstrap
+@endif gcc-bootstrap
+
 # The first rule in the file had better be this one.  Don't put any above it.
 # This lives here to allow makefile fragments to contain dependencies.
 @default_target@:
@@ -569,7 +591,7 @@ EXTRA_GCC_FLAGS = \
 GCC_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_HOST_FLAGS) $(EXTRA_GCC_FLAGS)
 
 .PHONY: configure-host
-configure-host: maybe-configure-gcc [+
+configure-host: [+
   FOR host_modules +] \
     maybe-configure-[+module+][+
   ENDFOR host_modules +]
@@ -581,10 +603,15 @@ configure-target: [+
 
 # The target built for a native non-bootstrap build.
 .PHONY: all
-all: @all_build_modules@ all-host all-target
+all: unstage all-build all-host all-target stage
 
+.PHONY: all-build
+all-build: [+
+  FOR build_modules +] \
+    maybe-all-build-[+module+][+
+  ENDFOR build_modules +]
 .PHONY: all-host
-all-host: maybe-all-gcc [+
+all-host: [+
   FOR host_modules +] \
     maybe-all-[+module+][+
   ENDFOR host_modules +]
@@ -600,10 +627,10 @@ all-target: [+
 # but it may do additional work as well).
 [+ FOR recursive_targets +]
 .PHONY: do-[+make_target+]
-do-[+make_target+]: [+make_target+]-host [+make_target+]-target
+do-[+make_target+]: unstage [+make_target+]-host [+make_target+]-target stage
 
 .PHONY: [+make_target+]-host
-[+make_target+]-host: maybe-[+make_target+]-gcc [+
+[+make_target+]-host: [+
   FOR host_modules +] \
     maybe-[+make_target+]-[+module+][+
   ENDFOR host_modules +]
@@ -675,13 +702,13 @@ clean-target-libgcc:
 check: do-check
 
 # Only include modules actually being configured and built.
-do-check: maybe-check-gcc [+
+do-check: unstage [+
   FOR host_modules +] \
     maybe-check-[+module+][+
   ENDFOR host_modules +][+
   FOR target_modules +] \
     maybe-check-target-[+module+][+
-  ENDFOR target_modules +]
+  ENDFOR target_modules +] stage
 
 # Automated reporting of test results.
 
@@ -716,7 +743,7 @@ install-host-nogcc: [+
   ENDFOR host_modules +]
 
 .PHONY: install-host
-install-host: maybe-install-gcc [+
+install-host: [+
   FOR host_modules +] \
     maybe-install-[+module+][+
   ENDFOR host_modules +]
@@ -735,7 +762,7 @@ install.all: install-no-fixedincludes
        @if [ -f ./gcc/Makefile ] ; then \
                r=`${PWD_COMMAND}` ; export r ; \
                $(SET_LIB_PATH) \
-               $(GCC_HOST_EXPORTS) \
+               $(HOST_EXPORTS) \
                (cd ./gcc && \
                $(MAKE) $(FLAGS_TO_PASS) install-headers) ; \
        else \
@@ -830,7 +857,7 @@ configure-build-[+module+]:
        rm -f no-such-file || : ; \
        CONFIG_SITE=no-such-file $(SHELL) $${libsrcdir}/configure \
          $(BUILD_CONFIGARGS) $${srcdiroption} \
-         --with-build-subdir="$(BUILD_SUBDIR)" \
+         --with-build-subdir="$(BUILD_SUBDIR)" [+extra_configure_flags+] \
          || exit 1
 @endif build-[+module+]
 
@@ -842,7 +869,7 @@ all-build-[+module+]: configure-build-[+module+]
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        $(BUILD_EXPORTS) \
-       (cd $(BUILD_SUBDIR)/[+module+] && $(MAKE) all)
+       (cd $(BUILD_SUBDIR)/[+module+] && $(MAKE) [+extra_make_flags+] all)
 @endif build-[+module+]
 [+ ENDFOR build_modules +]
 
@@ -874,7 +901,7 @@ configure-[+module+]:
            libsrcdir="$$s/[+module+]";; \
        esac; \
        $(SHELL) $${libsrcdir}/configure \
-         $(HOST_CONFIGARGS) $${srcdiroption} \
+         $(HOST_CONFIGARGS) $${srcdiroption} [+extra_configure_flags+] \
          || exit 1
 @endif [+module+]
 
@@ -890,7 +917,10 @@ all-[+module+]: configure-[+module+]
        (cd [+module+] && $(MAKE) $(FLAGS_TO_PASS)[+ 
          IF with_x 
            +] $(X11_FLAGS_TO_PASS)[+ 
-         ENDIF with_x +] all)
+         ENDIF with_x +] [+extra_make_flags+] [+
+         IF (== (get "module") "gcc") +] \
+           `if [ -f gcc/stage_last ]; then echo quickstrap ; else echo all; fi` [+
+         ELSE +]all[+ ENDIF +])
 @endif [+module+]
 
 .PHONY: check-[+module+] maybe-check-[+module+]
@@ -910,7 +940,7 @@ check-[+module+]:
          (cd [+module+] && $(MAKE) $(FLAGS_TO_PASS)[+ 
            IF with_x 
              +] $(X11_FLAGS_TO_PASS)[+ 
-           ENDIF with_x +] check); \
+           ENDIF with_x +] [+extra_make_flags+] check); \
        fi
 [+ ELSE check +]
 check-[+module+]:
@@ -921,7 +951,7 @@ check-[+module+]:
        (cd [+module+] && $(MAKE) $(FLAGS_TO_PASS)[+ 
          IF with_x 
            +] $(X11_FLAGS_TO_PASS)[+ 
-         ENDIF with_x +] check)
+         ENDIF with_x +] [+extra_make_flags+] check)
 [+ ENDIF no_check +]
 @endif [+module+]
 
@@ -940,7 +970,7 @@ install-[+module+]: installdirs
        (cd [+module+] && $(MAKE) $(FLAGS_TO_PASS)[+ 
          IF with_x 
            +] $(X11_FLAGS_TO_PASS)[+ 
-         ENDIF with_x +] install)
+         ENDIF with_x +] [+extra_make_flags+] install)
 [+ ENDIF no_install +]
 @endif [+module+]
 
@@ -963,7 +993,7 @@ maybe-[+make_target+]-[+module+]: [+make_target+]-[+module+]
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        $(SET_LIB_PATH) \
        $(HOST_EXPORTS) \
-       for flag in $(EXTRA_HOST_FLAGS); do \
+       for flag in $(EXTRA_HOST_FLAGS) [+extra_make_flags+]; do \
          eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
        done; \
        echo "Doing [+make_target+] in [+module+]" ; \
@@ -1043,7 +1073,7 @@ ENDIF raw_cxx +]
        rm -f no-such-file || : ; \
        CONFIG_SITE=no-such-file $(SHELL) $${libsrcdir}/configure \
          $(TARGET_CONFIGARGS) $${srcdiroption} \
-         --with-target-subdir="$(TARGET_SUBDIR)" \
+         --with-target-subdir="$(TARGET_SUBDIR)" [+extra_configure_flags+] \
          || exit 1
 @endif target-[+module+]
 
@@ -1065,7 +1095,7 @@ ENDIF raw_cxx +]
            IF raw_cxx 
          +] 'CXX=$$(RAW_CXX_FOR_TARGET)' 'CXX_FOR_TARGET=$$(RAW_CXX_FOR_TARGET)' [+ 
            ENDIF raw_cxx 
-         +] all)
+         +] [+extra_make_flags+] all)
 @endif target-[+module+]
 
 .PHONY: check-target-[+module+] maybe-check-target-[+module+]
@@ -1090,7 +1120,7 @@ ENDIF raw_cxx +]
            IF raw_cxx 
              +] 'CXX=$$(RAW_CXX_FOR_TARGET)' 'CXX_FOR_TARGET=$$(RAW_CXX_FOR_TARGET)' [+ 
            ENDIF raw_cxx 
-         +] check)
+         +] [+extra_make_flags+] check)
 [+ ENDIF no_check +]
 @endif target-[+module+]
 
@@ -1112,7 +1142,7 @@ ELSE normal_cxx +]
        $(NORMAL_TARGET_EXPORTS) \[+
 ENDIF raw_cxx +]
        (cd $(TARGET_SUBDIR)/[+module+] && \
-         $(MAKE) $(TARGET_FLAGS_TO_PASS) install)
+         $(MAKE) $(TARGET_FLAGS_TO_PASS) [+extra_make_flags+] install)
 [+ ENDIF no_install +]
 @endif target-[+module+]
 
@@ -1148,7 +1178,7 @@ ENDIF raw_cxx +]
                  "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
                  "RANLIB=$${RANLIB}" \
                  "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
-                 [+make_target+]) \
+                 [+extra_make_flags+] [+make_target+]) \
          || exit 1
 [+ ENDIF +]
 @endif target-[+module+]
@@ -1159,83 +1189,18 @@ ENDIF raw_cxx +]
 # GCC module
 # ----------
 
-# Unfortunately, while gcc _should_ be a host module,
-# libgcc is a target module, and gen* programs are
-# build modules.  So GCC is a sort of hybrid.
-
-# gcc is the only module which uses GCC_FLAGS_TO_PASS.
-# Don't use shared host config.cache, as it will confuse later
-# directories; GCC wants slightly different values for some
-# precious variables.  *sigh*
-
-# We must skip configuring if toplevel bootstrap is going.
-.PHONY: configure-gcc maybe-configure-gcc
-maybe-configure-gcc:
-@if gcc
-maybe-configure-gcc: configure-gcc
-configure-gcc:
-@endif gcc
-@if gcc-no-bootstrap
-       @test ! -f gcc/Makefile || exit 0; \
-       [ -d gcc ] || mkdir gcc; \
-       r=`${PWD_COMMAND}`; export r; \
-       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-       $(GCC_HOST_EXPORTS) \
-       echo Configuring in gcc; \
-       cd gcc || exit 1; \
-       case $(srcdir) in \
-         \.) \
-           srcdiroption="--srcdir=."; \
-           libsrcdir=".";; \
-         /* | [A-Za-z]:[\\/]*) \
-           srcdiroption="--srcdir=$(srcdir)/gcc"; \
-           libsrcdir="$$s/gcc";; \
-         *) \
-           srcdiroption="--srcdir=../$(srcdir)/gcc"; \
-           libsrcdir="$$s/gcc";; \
-       esac; \
-       $(SHELL) $${libsrcdir}/configure \
-         $(HOST_CONFIGARGS) $${srcdiroption} \
-         || exit 1
-@endif gcc-no-bootstrap
-
-# Don't 'make all' in gcc if it's already been made by 'bootstrap'; that
-# causes trouble.  This wart will be fixed eventually by moving
-# the bootstrap behavior to this file.
-.PHONY: all-gcc maybe-all-gcc
-maybe-all-gcc:
-@if gcc
-maybe-all-gcc: all-gcc
-all-gcc: configure-gcc
-@endif gcc
 @if gcc-no-bootstrap
-       r=`${PWD_COMMAND}`; export r; \
-       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-       $(SET_LIB_PATH) \
-       $(GCC_HOST_EXPORTS) \
-       if [ -f gcc/stage_last ] ; then \
-         (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) quickstrap); \
-       else \
-         (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) all); \
-       fi
+# GCC has some more recursive targets, which trigger the old
+# (but still current, until the toplevel bootstrap project
+# is finished) compiler bootstrapping rules.
 
-# Building GCC uses some tools for rebuilding "source" files
-# like texinfo, bison/byacc, etc.  So we must depend on those.
-#
-# While building GCC, it may be necessary to run various target
-# programs like the assembler, linker, etc.  So we depend on
-# those too.
-#
-# In theory, on an SMP all those dependencies can be resolved
-# in parallel.
-#
 GCC_STRAP_TARGETS = bootstrap bootstrap-lean bootstrap2 bootstrap2-lean bootstrap3 bootstrap3-lean bootstrap4 bootstrap4-lean bubblestrap quickstrap cleanstrap restrap
 .PHONY: $(GCC_STRAP_TARGETS)
 $(GCC_STRAP_TARGETS): all-bootstrap configure-gcc
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        $(SET_LIB_PATH) \
-       $(GCC_HOST_EXPORTS) \
+       $(HOST_EXPORTS) \
        echo "Bootstrapping the compiler"; \
        cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) $@
        @r=`${PWD_COMMAND}`; export r; \
@@ -1255,7 +1220,7 @@ $(GCC_STRAP_TARGETS): all-bootstrap configure-gcc
            compare=compare ;; \
        esac; \
        $(SET_LIB_PATH) \
-       $(GCC_HOST_EXPORTS) \
+       $(HOST_EXPORTS) \
        echo "$$msg"; \
        cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) $$compare
        @r=`${PWD_COMMAND}`; export r; \
@@ -1268,27 +1233,27 @@ profiledbootstrap: all-bootstrap configure-gcc
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        $(SET_LIB_PATH) \
-       $(GCC_HOST_EXPORTS) \
-       echo "Bootstrapping the compiler"; \
+       $(HOST_EXPORTS) \
+       echo "Bootstrapping training compiler"; \
        cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) stageprofile_build
        @r=`${PWD_COMMAND}`; export r; \
-       s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
-       $(SET_LIB_PATH) \
-       echo "Building runtime libraries and training compiler"; \
-       $(MAKE) $(RECURSE_FLAGS_TO_PASS) all
-       @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        $(SET_LIB_PATH) \
-       $(GCC_HOST_EXPORTS) \
+       $(HOST_EXPORTS) \
        echo "Building feedback based compiler"; \
        cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) stagefeedback_build
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
+       $(SET_LIB_PATH) \
+       echo "Building runtime libraries"; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) all
 
 .PHONY: cross
 cross: all-texinfo all-bison all-byacc all-binutils all-gas all-ld
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        $(SET_LIB_PATH) \
-       $(GCC_HOST_EXPORTS) \
+       $(HOST_EXPORTS) \
        echo "Building the C and C++ compiler"; \
        cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) LANGUAGES="c c++"
        @r=`${PWD_COMMAND}`; export r; \
@@ -1298,28 +1263,14 @@ cross: all-texinfo all-bison all-byacc all-binutils all-gas all-ld
        $(MAKE) $(RECURSE_FLAGS_TO_PASS) LANGUAGES="c c++" all
 @endif gcc-no-bootstrap
 
-.PHONY: check-gcc maybe-check-gcc
-maybe-check-gcc:
 @if gcc
-maybe-check-gcc: check-gcc
-check-gcc:
-       @if [ -f ./gcc/Makefile ] ; then \
-         r=`${PWD_COMMAND}`; export r; \
-         s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-         $(SET_LIB_PATH) \
-         $(GCC_HOST_EXPORTS) \
-         (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) check); \
-       else \
-         true; \
-       fi
-
 .PHONY: check-gcc-c++
 check-gcc-c++:
        @if [ -f ./gcc/Makefile ] ; then \
          r=`${PWD_COMMAND}`; export r; \
          s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
          $(SET_LIB_PATH) \
-         $(GCC_HOST_EXPORTS) \
+         $(HOST_EXPORTS) \
          (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) check-c++); \
        else \
          true; \
@@ -1327,23 +1278,6 @@ check-gcc-c++:
 
 .PHONY: check-c++
 check-c++: check-target-libstdc++-v3 check-gcc-c++
-@endif gcc
-
-.PHONY: install-gcc maybe-install-gcc
-maybe-install-gcc:
-@if gcc
-maybe-install-gcc: install-gcc
-install-gcc:
-       @if [ -f ./gcc/Makefile ] ; then \
-         r=`${PWD_COMMAND}`; export r; \
-         s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-         $(SET_LIB_PATH) \
-         $(GCC_HOST_EXPORTS) \
-         (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) install); \
-       else \
-         true; \
-       fi
-@endif gcc
 
 # Install the gcc headers files, but not the fixed include files,
 # which Cygnus is not allowed to distribute.  This rule is very
@@ -1360,49 +1294,35 @@ gcc-no-fixedincludes:
          r=`${PWD_COMMAND}`; export r; \
          s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
          $(SET_LIB_PATH) \
-         $(GCC_HOST_EXPORTS) \
+         $(HOST_EXPORTS) \
          (cd ./gcc && \
           $(MAKE) $(GCC_FLAGS_TO_PASS) install); \
          rm -rf gcc/include; \
          mv gcc/tmp-include gcc/include 2>/dev/null; \
        else true; fi
-
-# Other targets (dvi, info, etc.)
-[+ FOR recursive_targets +]
-.PHONY: maybe-[+make_target+]-gcc [+make_target+]-gcc
-maybe-[+make_target+]-gcc:
-@if gcc
-maybe-[+make_target+]-gcc: [+make_target+]-gcc
-[+make_target+]-gcc: [+
-  FOR depend +]\
-    [+depend+]-gcc [+
-  ENDFOR depend +]
-       @[ -f ./gcc/Makefile ] || exit 0; \
-       r=`${PWD_COMMAND}`; export r; \
-       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-       $(SET_LIB_PATH) \
-       for flag in $(EXTRA_GCC_FLAGS); do \
-         eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
-       done; \
-       $(GCC_HOST_EXPORTS) \
-       echo "Doing [+make_target+] in gcc" ; \
-       (cd gcc && \
-         $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
-                 "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
-                 "RANLIB=$${RANLIB}" \
-                 "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
-                 [+make_target+]) \
-         || exit 1
 @endif gcc
 
-[+ ENDFOR recursive_targets +]
-
-@if gcc-bootstrap
 # ---------------------
 # GCC bootstrap support
 # ---------------------
 
-# We track the current stage (the one in 'gcc') in the stage_last file.
+# We track the current stage (the one in 'gcc') in the stage_current file.
+# stage_last instead tracks the stage that was built last.  These targets
+# are dummy when toplevel bootstrap is not active.
+
+.PHONY: unstage
+unstage:
+@if gcc-bootstrap
+       @[ -f stage_current ] || $(MAKE) `cat stage_last`-start
+@endif gcc-bootstrap
+
+.PHONY: stage
+stage:
+@if gcc-bootstrap
+       @$(MAKE) `cat stage_current`-end
+@endif gcc-bootstrap
+
+@if gcc-bootstrap
 # We name the build directories for the various stages "stage1-gcc",
 # "stage2-gcc","stage3-gcc", etc.
 
@@ -1467,14 +1387,15 @@ POSTSTAGE1_FLAGS_TO_PASS = \
 .PHONY: stage[+id+]-start stage[+id+]-end
 
 stage[+id+]-start::
-       [ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
+       [ -f stage_current ] && $(MAKE) `cat stage_current`-end || :
+       echo stage[+id+] > stage_current ; \
        echo stage[+id+] > stage_last ; \
        [ -d stage[+id+]-gcc ] || mkdir stage[+id+]-gcc; \
        set stage[+id+]-gcc gcc ; @CREATE_LINK_TO_DIR@ [+ IF prev +] ; \
        set stage[+prev+]-gcc prev-gcc ; @CREATE_LINK_TO_DIR@ [+ ENDIF prev +]
 
 stage[+id+]-end::
-       rm -f stage_last ; \
+       rm -f stage_current ; \
        set gcc stage[+id+]-gcc ; @UNDO_LINK_TO_DIR@ [+ IF prev +] ; \
        set prev-gcc stage[+prev+]-gcc ; @UNDO_LINK_TO_DIR@ [+ ENDIF prev +]
 
@@ -1508,7 +1429,7 @@ configure-stage[+id+]-gcc: [+ IF prev +] all-stage[+prev+]-gcc [+
        r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; [+ IF prev +] \
        $(STAGE_HOST_EXPORTS) [+ ELSE prev +] \
-       $(GCC_HOST_EXPORTS) [+ ENDIF prev +] \
+       $(HOST_EXPORTS) [+ ENDIF prev +] \
        echo Configuring stage [+id+] in gcc ; \
        cd gcc || exit 1; \
        case $(srcdir) in \
@@ -1532,7 +1453,7 @@ all-stage[+id+]-gcc: configure-stage[+id+]-gcc
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; [+ IF prev +] \
        $(STAGE_HOST_EXPORTS) [+ ELSE prev +] \
-       $(GCC_HOST_EXPORTS) [+ ENDIF prev +] \
+       $(HOST_EXPORTS) [+ ENDIF prev +] \
        cd gcc && \
        $(MAKE) $(GCC_FLAGS_TO_PASS) [+ IF prev +] \
                $(POSTSTAGE1_FLAGS_TO_PASS) [+ ENDIF prev +] \
@@ -1540,7 +1461,7 @@ all-stage[+id+]-gcc: configure-stage[+id+]-gcc
 
 [+ IF compare-target +]
 [+compare-target+]: all-stage[+id+]-gcc
-       [ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
+       [ -f stage_current ] && $(MAKE) `cat stage_current`-end || :
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        rm -f .bad_compare ; \
@@ -1567,8 +1488,7 @@ all-stage[+id+]-gcc: configure-stage[+id+]-gcc
 [+bootstrap-target+]:
        $(MAKE) $(RECURSE_FLAGS_TO_PASS) stage[+id+]-bubble [+
          IF compare-target +] [+compare-target+] [+
-         ENDIF compare-target +] \
-         stage[+id+]-start all stage[+id+]-end 
+         ENDIF compare-target +] all
 [+ ENDIF bootstrap-target +]
 
 .PHONY: restage[+id+] touch-stage[+id+] distclean-stage[+id+]
@@ -1576,7 +1496,7 @@ all-stage[+id+]-gcc: configure-stage[+id+]-gcc
 # Rules to wipe a stage and all the following ones, used for cleanstrap
 [+ IF prev +]distclean-stage[+prev+]:: distclean-stage[+id+] [+ ENDIF prev +]
 distclean-stage[+id+]::
-       [ -f stage_last ] && $(MAKE) `cat stage_last`-end || :
+       [ -f stage_current ] && $(MAKE) `cat stage_current`-end || :
        rm -rf configure-stage[+id+]-gcc all-stage[+id+]-gcc stage[+id+]-gcc [+
          IF compare-target +][+compare-target+] [+ ENDIF compare-target +]
 
@@ -1618,9 +1538,9 @@ profiledbootstrap: all-bootstrap configure-gcc
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        $(SET_LIB_PATH) \
-       $(GCC_HOST_EXPORTS) \
+       $(HOST_EXPORTS) \
        echo "Bootstrapping the compiler"; \
-       $(MAKE) stageprofile-bubble distclean-stagefeedback stageprofile-start
+       $(MAKE) stageprofile-bubble distclean-stagefeedback
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
        $(SET_LIB_PATH) \
@@ -1629,7 +1549,7 @@ profiledbootstrap: all-bootstrap configure-gcc
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        $(SET_LIB_PATH) \
-       $(GCC_HOST_EXPORTS) \
+       $(HOST_EXPORTS) \
        echo "Building feedback based compiler"; \
        $(MAKE) stagefeedback-bubble stagefeedback-end
 
@@ -1646,11 +1566,17 @@ profiledbootstrap: all-bootstrap configure-gcc
 # are specified by depending on a 'maybe-' target.  If you're not sure,
 # it's safer to use a soft dependency.
 
+# Build modules
+all-build-bison: maybe-all-build-texinfo
+all-build-flex: maybe-all-build-texinfo
+all-build-libiberty: maybe-all-build-texinfo
+all-build-m4: maybe-all-build-libiberty maybe-all-build-texinfo
+
 # Host modules specific to gcc.
 # GCC needs to identify certain tools.
 # GCC also needs the information exported by the intl configure script.
 configure-gcc: maybe-configure-intl maybe-configure-binutils maybe-configure-gas maybe-configure-ld maybe-configure-bison maybe-configure-flex
-all-gcc: maybe-all-libiberty maybe-all-intl maybe-all-bison maybe-all-byacc maybe-all-binutils maybe-all-gas maybe-all-ld maybe-all-zlib maybe-all-libbanshee maybe-all-libcpp
+all-gcc: maybe-all-libiberty maybe-all-intl maybe-all-texinfo maybe-all-bison maybe-all-byacc maybe-all-flex maybe-all-binutils maybe-all-gas maybe-all-ld maybe-all-zlib maybe-all-libbanshee maybe-all-libcpp
 configure-libcpp: maybe-configure-libiberty maybe-configure-intl
 all-libcpp: maybe-all-libiberty maybe-all-intl
 # This is a slightly kludgy method of getting dependencies on