# 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; \
# 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; \
# 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; \
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`
-DEFAULT_M4 = @DEFAULT_M4@
-M4 = `if [ -f $$r/m4/m4 ] ; \
- then echo $$r/m4/m4 ; \
- else echo ${DEFAULT_M4} ; 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`
+
+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
# 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@:
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 +]
# 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 +]
# 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 +]
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.
.PHONY: install-host-nogcc
install-host-nogcc: [+
- FOR host_modules +] \
- maybe-install-[+module+][+
+ FOR host_modules +][+ IF (not (= (get "module") "gcc")) +] \
+ maybe-install-[+module+][+ ENDIF +][+
ENDFOR host_modules +]
.PHONY: install-host
-install-host: maybe-install-gcc [+
+install-host: [+
FOR host_modules +] \
maybe-install-[+module+][+
ENDFOR host_modules +]
(cd [+module+] && $(MAKE) $(FLAGS_TO_PASS)[+
IF with_x
+] $(X11_FLAGS_TO_PASS)[+
- ENDIF with_x +] [+extra_make_flags+] 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+]
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+]" ; \
"CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
"RANLIB=$${RANLIB}" \
"DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
- [+extra_make_flags+] [+make_target+]) \
+ [+make_target+]) \
|| exit 1
[+ ENDIF +]
@endif [+module+]
# GCC module
# ----------
-# Unfortunately, while gcc _should_ be a host module,
-# libgcc is a target module, and gen* programs are
-# build modules. So GCC is a sort of hybrid.
-
-# gcc is the only module which uses GCC_FLAGS_TO_PASS.
-# Don't use shared host config.cache, as it will confuse later
-# directories; GCC wants slightly different values for some
-# precious variables. *sigh*
-
-# We must skip configuring if toplevel bootstrap is going.
-.PHONY: configure-gcc maybe-configure-gcc
-maybe-configure-gcc:
-@if gcc
-maybe-configure-gcc: configure-gcc
-configure-gcc:
-@endif gcc
@if gcc-no-bootstrap
- @test ! -f gcc/Makefile || exit 0; \
- [ -d gcc ] || mkdir gcc; \
- r=`${PWD_COMMAND}`; export r; \
- s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
- $(HOST_EXPORTS) \
- echo Configuring in gcc; \
- cd gcc || exit 1; \
- case $(srcdir) in \
- \.) \
- srcdiroption="--srcdir=."; \
- libsrcdir=".";; \
- /* | [A-Za-z]:[\\/]*) \
- srcdiroption="--srcdir=$(srcdir)/gcc"; \
- libsrcdir="$$s/gcc";; \
- *) \
- srcdiroption="--srcdir=../$(srcdir)/gcc"; \
- libsrcdir="$$s/gcc";; \
- esac; \
- $(SHELL) $${libsrcdir}/configure \
- $(HOST_CONFIGARGS) $${srcdiroption} \
- || exit 1
-@endif gcc-no-bootstrap
+# GCC has some more recursive targets, which trigger the old
+# (but still current, until the toplevel bootstrap project
+# is finished) compiler bootstrapping rules.
-# 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) \
- $(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
-
-# 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
+$(GCC_STRAP_TARGETS): all-prebootstrap configure-gcc
@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
-profiledbootstrap: all-bootstrap configure-gcc
+profiledbootstrap: all-prebootstrap configure-gcc
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(SET_LIB_PATH) \
$(HOST_EXPORTS) \
- echo "Bootstrapping the compiler"; \
+ 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) \
$(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
$(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) \
- $(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 \
.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) \
- $(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
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; \
- $(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.
# Real targets act phony if they depend on phony targets; this hack
# prevents gratuitous rebuilding of stage 1.
prebootstrap:
- $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-bootstrap
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-prebootstrap
$(STAMP) prebootstrap
# Flags to pass to stage2 and later makes.
.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 +]
[+ 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 ; \
[+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+]
# 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 +]
{ find . -type d | sort | sed 's,.*,$(SHELL) '"$$s"'/mkinstalldirs "../gcc/&",' | $(SHELL); } && \
{ find . -name '*.*da' | sed 's,.*,$(LN) -f "&" "../gcc/&",' | $(SHELL); }
-profiledbootstrap: all-bootstrap configure-gcc
+profiledbootstrap: all-prebootstrap configure-gcc
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(SET_LIB_PATH) \
$(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) \
# Dependencies between different modules
# --------------------------------------
+# Generic dependencies for target modules on host stuff, especially gcc
+[+ FOR target_modules +]
+configure-target-[+module+]: maybe-all-gcc
+[+ ENDFOR target_modules +]
+
+[+ FOR lang_env_dependencies +]
+configure-target-[+module+]: maybe-all-target-newlib maybe-all-target-libgloss
+[+ IF cxx +]configure-target-[+module+]: maybe-all-target-libstdc++-v3
+[+ ENDIF cxx +][+ ENDFOR lang_env_dependencies +]
+
# 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,
+# are made here to depend on a 'maybe-' target. If you're not sure,
# it's safer to use a soft dependency.
-# 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
-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
-# all-build-libiberty correct; it would be better to build it every time.
-all-gcc: maybe-all-build-libiberty
-all-bootstrap: [+ FOR host_modules +][+ IF bootstrap +]maybe-all-[+module+] [+ ENDIF bootstrap +][+ ENDFOR host_modules +]
-
-# Host modules specific to gdb.
-# GDB needs to know that the simulator is being built.
-configure-gdb: maybe-configure-itcl maybe-configure-tcl maybe-configure-tk maybe-configure-sim
+[+ ;; These Scheme functions build the bulk of the dependencies.
+ ;; dep-target builds a string like "maybe-all-MODULE_KIND-gcc",
+ ;; where "maybe-" is only included if HARD is true, and all-gcc
+ ;; is taken from VAR-NAME.
+ (define dep-target (lambda (module-kind var-name hard)
+ (string-append
+ (if hard "" "maybe-")
+ (dep-subtarget var-name)
+ module-kind
+ (dep-module var-name)
+ )))
+
+ ;; make-dep builds a dependency from the MODULE and ON AutoGen vars.
+ (define make-dep (lambda (module-kind)
+ (string-append
+ (dep-target module-kind "module" #t) ": "
+ (dep-target module-kind "on" (exist? "hard")))))
+
+ ;; dep-subtarget extracts everything up to the first dash in the given
+ ;; AutoGen variable, for example it extracts "all-" out of "all-gcc".
+ (define dep-subtarget (lambda (var-name)
+ (substring (get var-name) 0 (+ 1 (string-index (get var-name) #\-)))))
+
+ ;; dep-module extracts everything up to the first dash in the given
+ ;; AutoGen variable, for example it extracts "gcc" out of "all-gcc".
+ (define dep-module (lambda (var-name)
+ (substring (get var-name) (+ 1 (string-index (get var-name) #\-)))))
+
+ ;; dep-stage builds a string for the prefix of a bootstrap stage.
+ (define dep-stage (lambda ()
+ (string-append
+ "stage"
+ (get "id")
+ "-")))
+
+ ;; dep-maybe is the same as the AutoGen expression "- hard 'maybe-'"
+ ;; but is written in Scheme.
+ (define dep-maybe (lambda ()
+ (if (exist? "hard") "" "maybe-")))
+
+ ;; dep-kind returns "normal" is the dependency is on an "install" target,
+ ;; or if the LHS module is not bootstrapped. It returns "bootstrap" for
+ ;; configure or build dependencies between bootstrapped modules; it returns
+ ;; "prebootstrap" for configure or build dependencies of bootstrapped
+ ;; modules on a non-bootstrapped modules (e.g. gcc on bison). All this
+ ;; is only necessary for host modules.
+ (define dep-kind (lambda ()
+ (if (or (= (dep-subtarget "on") "install-")
+ (=* (dep-module "on") "build-")
+ (=* (dep-module "on") "target-"))
+ "normal"
+
+ (if (hash-ref boot-modules (dep-module "module"))
+ (if (hash-ref boot-modules (dep-module "on"))
+ "bootstrap"
+ "prebootstrap")
+ "normal"))))
+
+ ;; We now build the hash table that is used by dep-kind.
+ (define boot-modules (make-hash-table 113))
+ (define preboot-modules (make-hash-table 37))
++]
+
+[+ FOR host_modules +][+
+ (if (exist? "bootstrap")
+ (hash-create-handle! boot-modules (get "module") #t))
+ "" +][+ ENDFOR host_modules +]
+
+# With all the machinery above in place, it is pretty easy to generate
+# dependencies. Host dependencies are a bit more complex because we have
+# to check for bootstrap/prebootstrap dependencies. To resolve
+# prebootstrap dependencies, prebootstrap modules are gathered in
+# a hash table.
+[+ FOR dependencies +][+ (make-dep "") +]
+[+ CASE (dep-kind) +][+
+ == "prebootstrap"
+ +][+ (hash-create-handle! preboot-modules (dep-module "on") #t) "" +][+
+ == "bootstrap"
+ +][+ FOR bootstrap_stage +]
+[+ (make-dep (dep-stage)) +][+
+ ENDFOR bootstrap_stage +]
+[+ ESAC +][+
+ENDFOR dependencies +]
+
+# Now build the prebootstrap dependencies.
+[+ FOR host_modules +][+
+ IF (hash-ref preboot-modules (get "module")) +]
+all-prebootstrap: maybe-all-[+module+][+
+ ENDIF +][+
+ENDFOR host_modules +]
+
+# Unless toplevel bootstrap is going, bootstrapped packages are actually
+# prebootstrapped, with the exception of gcc. Another wart that will go
+# away with toplevel bootstrap.
+@if gcc-no-bootstrap
+[+ FOR host_modules +][+
+ IF (and (not (= (get "module") "gcc"))
+ (hash-ref boot-modules (get "module"))) +]
+all-prebootstrap: maybe-all-[+module+][+
+ ENDIF +][+
+ENDFOR host_modules +]
+@endif gcc-no-bootstrap
+
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)
-install-gdb: maybe-install-tcl maybe-install-tk maybe-install-itcl maybe-install-tix maybe-install-libgui
-configure-libgui: maybe-configure-tcl maybe-configure-tk
-all-libgui: maybe-all-tcl maybe-all-tk maybe-all-itcl
-
-# Host modules specific to binutils.
-configure-bfd: configure-libiberty
-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
-# libopcodes depends on libbfd
-install-opcodes: maybe-install-bfd
-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
-configure-expect: maybe-configure-tcl maybe-configure-tk
-all-expect: maybe-all-tcl maybe-all-tk
-configure-itcl: maybe-configure-tcl maybe-configure-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-libiberty maybe-all-bfd maybe-all-opcodes 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 maybe-configure-gdb
-configure-tk: maybe-configure-tcl
-all-tk: maybe-all-tcl
-configure-tix: maybe-configure-tcl maybe-configure-tk
-all-tix: maybe-all-tcl maybe-all-tk
-all-texinfo: maybe-all-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-gzip: maybe-all-libiberty
-all-hello: maybe-all-libiberty
-all-m4: maybe-all-libiberty maybe-all-texinfo
-all-make: maybe-all-libiberty maybe-all-intl
-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-tar: maybe-all-libiberty
-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-libada: $(ALL_GCC_C)
-configure-target-libgfortran: $(ALL_GCC_C)
-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)
-configure-target-libtermcap: $(ALL_GCC_C)
-configure-target-newlib: $(ALL_GCC)
-configure-target-rda: $(ALL_GCC_C)
-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)
+all-gdb: $(gdbnlmrequirements) $(GDB_TK)
# Serialization dependencies. Host configures don't work well in parallel to
# each other, due to contention over config.cache. Target configures and
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