diff options
Diffstat (limited to 'Makefile.in')
| -rw-r--r-- | Makefile.in | 278 |
1 files changed, 272 insertions, 6 deletions
diff --git a/Makefile.in b/Makefile.in index 91c19d9ea..5e7cd6f8f 100644 --- a/Makefile.in +++ b/Makefile.in @@ -70,7 +70,6 @@ INSTALL_DATA = @INSTALL_DATA@ # Miscellaneous non-standard autoconf-set variables # ------------------------------------------------- -links=@configlinks@ # The file containing GCC's version number. gcc_version_trigger = @gcc_version_trigger@ gcc_version = @gcc_version@ @@ -23555,10 +23554,13 @@ install-target-libada: installdirs # 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: configure-gcc: @test ! -f gcc/Makefile || exit 0; \ + [ -f stage_last ] && exit 0; \ [ -d gcc ] || mkdir gcc; \ r=`${PWD_COMMAND}`; export r; \ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \ @@ -23601,14 +23603,14 @@ configure-gcc: .PHONY: all-gcc maybe-all-gcc maybe-all-gcc: all-gcc: configure-gcc - @if [ -f gcc/stage_last ] ; then \ - r=`${PWD_COMMAND}`; export r; \ - s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \ + r=`${PWD_COMMAND}`; export r; \ + s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \ + if [ -f stage_last ] ; then \ + true ; \ + elif [ -f gcc/stage_last ] ; then \ $(SET_LIB_PATH) \ (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) quickstrap); \ else \ - r=`${PWD_COMMAND}`; export r; \ - s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \ $(SET_LIB_PATH) \ (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) all); \ fi @@ -23746,6 +23748,270 @@ gcc-no-fixedincludes: mv gcc/tmp-include gcc/include 2>/dev/null; \ else true; fi +# --------------------- +# GCC bootstrap support +# --------------------- + +# We name the directories for the various stages "stage1-gcc", +# "stage2-gcc","stage3-gcc", etc. +# Unfortunately, the 'compare' process will fail (on debugging information) +# if any directory names are different! +# So in the building rule for each stage, we relocate them before and after. +# The current one is 'gcc', while the previous one is 'prev-gcc'. (The +# current one must be 'gcc' for now because the scripts in that directory +# assume it.) +# At the end of the bootstrap, 'stage3-gcc' must be moved to 'gcc' so that +# libraries can find it. Ick! + +# Bugs: This is almost certainly not parallel-make safe. + +# 'touch' doesn't work right on some platforms. +STAMP = echo timestamp > + +# Only build the C compiler for stage1, because that is the only one that +# we can guarantee will build with the native compiler, and also it is the +# only thing useful for building stage2. STAGE1_CFLAGS (via CFLAGS), +# MAKEINFO and MAKEINFOFLAGS are explicitly passed here to make them +# overrideable (for a bootstrap build stage1 also builds gcc.info). + +STAGE1_CFLAGS=@stage1_cflags@ +STAGE1_LANGUAGES=@stage1_languages@ + +configure-stage1-gcc: + echo configure-stage1-gcc > stage_last ; \ + if [ -f stage1-gcc/Makefile ] ; then \ + $(STAMP) configure-stage1-gcc ; \ + exit 0; \ + else \ + true ; \ + fi ; \ + [ -d stage1-gcc ] || mkdir stage1-gcc; \ + mv stage1-gcc gcc ; \ + r=`${PWD_COMMAND}`; export r; \ + s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \ + CC="$(CC)"; export CC; \ + CFLAGS="$(CFLAGS)"; export CFLAGS; \ + CXX="$(CXX)"; export CXX; \ + CXXFLAGS="$(CXXFLAGS)"; export CXXFLAGS; \ + TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \ + AR="$(AR)"; export AR; \ + AS="$(AS)"; export AS; \ + CC_FOR_BUILD="$(CC_FOR_BUILD)"; export CC_FOR_BUILD; \ + DLLTOOL="$(DLLTOOL)"; export DLLTOOL; \ + LD="$(LD)"; export LD; \ + NM="$(NM)"; export NM; \ + RANLIB="$(RANLIB)"; export RANLIB; \ + WINDRES="$(WINDRES)"; export WINDRES; \ + OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \ + OBJDUMP="$(OBJDUMP)"; export OBJDUMP; \ + echo Configuring stage 1 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} ; \ + cd .. ; \ + mv gcc stage1-gcc ; \ + $(STAMP) configure-stage1-gcc + +all-stage1-gcc: configure-stage1-gcc all-bootstrap + echo all-stage1-gcc > stage_last ; \ + r=`${PWD_COMMAND}`; export r; \ + s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \ + mv stage1-gcc gcc ; \ + cd gcc && \ + $(MAKE) $(GCC_FLAGS_TO_PASS) \ + LANGUAGES="$(STAGE1_LANGUAGES)" \ + CFLAGS="$(STAGE1_CFLAGS)" \ + COVERAGE_FLAGS= || exit 1 ; \ + cd .. ; \ + mv gcc stage1-gcc ; \ + $(STAMP) all-stage1-gcc + +configure-stage2-gcc: all-stage1-gcc + echo configure-stage2-gcc > stage_last ; \ + if [ -f stage2-gcc/Makefile ] ; then \ + $(STAMP) configure-stage2-gcc ; \ + exit 0; \ + else \ + true ; \ + fi ; \ + [ -d stage2-gcc ] || mkdir stage2-gcc; \ + mv stage2-gcc gcc ; \ + r=`${PWD_COMMAND}`; export r; \ + s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \ + CC="$(CC)"; export CC; \ + CFLAGS="$(CFLAGS)"; export CFLAGS; \ + CXX="$(CXX)"; export CXX; \ + CXXFLAGS="$(CXXFLAGS)"; export CXXFLAGS; \ + TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \ + AR="$(AR)"; export AR; \ + AS="$(AS)"; export AS; \ + CC_FOR_BUILD="$(CC_FOR_BUILD)"; export CC_FOR_BUILD; \ + DLLTOOL="$(DLLTOOL)"; export DLLTOOL; \ + LD="$(LD)"; export LD; \ + NM="$(NM)"; export NM; \ + RANLIB="$(RANLIB)"; export RANLIB; \ + WINDRES="$(WINDRES)"; export WINDRES; \ + OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \ + OBJDUMP="$(OBJDUMP)"; export OBJDUMP; \ + echo Configuring stage 2 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} ; \ + cd .. ; \ + mv gcc stage2-gcc ; \ + $(STAMP) configure-stage2-gcc + +# Flags to pass to stage2 and later makes. +BOOT_CFLAGS= -g -O2 +POSTSTAGE1_FLAGS_TO_PASS = \ + CFLAGS="$(BOOT_CFLAGS)" \ + ADAC="\$$(CC)" \ + WARN_CFLAGS="\$$(GCC_WARN_CFLAGS)" \ + STRICT_WARN="\$$(STRICT2_WARN)" \ + OUTPUT_OPTION="-o \$$@" + +all-stage2-gcc: all-stage1-gcc configure-stage2-gcc + echo all-stage2-gcc > stage_last ; \ + r=`${PWD_COMMAND}`; export r; \ + s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \ + mv stage2-gcc gcc ; \ + mv stage1-gcc prev-gcc ; \ + cd gcc && \ + $(MAKE) $(GCC_FLAGS_TO_PASS) \ + CC="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \ + BUILD_CC="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \ + CC_FOR_BUILD="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \ + STAGE_PREFIX=$$r/prev-gcc/ \ + $(POSTSTAGE1_FLAGS_TO_PASS) || exit 1 ; \ + cd .. ; \ + mv prev-gcc stage1-gcc ; \ + mv gcc stage2-gcc ; \ + $(STAMP) all-stage2-gcc + +configure-stage3-gcc: all-stage2-gcc + echo configure-stage3-gcc > stage_last ; \ + if [ -f stage3-gcc/Makefile ] ; then \ + $(STAMP) configure-stage3-gcc ; \ + exit 0; \ + else \ + true ; \ + fi ; \ + [ -d stage3-gcc ] || mkdir stage3-gcc; \ + mv stage3-gcc gcc ; \ + r=`${PWD_COMMAND}`; export r; \ + s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \ + CC="$(CC)"; export CC; \ + CFLAGS="$(CFLAGS)"; export CFLAGS; \ + CXX="$(CXX)"; export CXX; \ + CXXFLAGS="$(CXXFLAGS)"; export CXXFLAGS; \ + TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \ + AR="$(AR)"; export AR; \ + AS="$(AS)"; export AS; \ + CC_FOR_BUILD="$(CC_FOR_BUILD)"; export CC_FOR_BUILD; \ + DLLTOOL="$(DLLTOOL)"; export DLLTOOL; \ + LD="$(LD)"; export LD; \ + NM="$(NM)"; export NM; \ + RANLIB="$(RANLIB)"; export RANLIB; \ + WINDRES="$(WINDRES)"; export WINDRES; \ + OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \ + OBJDUMP="$(OBJDUMP)"; export OBJDUMP; \ + echo Configuring stage 3 in gcc; \ + cd gcc || exit 1; \ + case $(srcdir) in \ + \.) \ + srcdiroption="--srcdir=."; \ + libsrcdir=".";; \ + /* | [A-Za-z]:[\\/]*) \ + srcdiroption="--srcdir=$(srcdir)/gcc"; \ + libsrcdir="$$s/gcc";; \ + *) \ + srcdiroption="--srcdir=../$(srcdir)/gcc"; \ + libsrcdir="$$s/gcc";; \ + esac; \ + $(SHELL) $${libsrcdir}/configure \ + $(HOST_CONFIGARGS) $${srcdiroption} ; \ + cd .. ; \ + mv gcc stage3-gcc ; \ + $(STAMP) configure-stage3-gcc + +# Some files might not exist. This is disabled 'cause it don't work. +# cp prev-gcc/objc/objc-parse.c gcc/objc/objc-parse.c || true ; \ +# cp prev-gcc/java/parse.c gcc/java/parse.c || true ; \ +# cp prev-gcc/java/parse-scan.c gcc/java/parse-scan.c || true ; \ + +all-stage3-gcc: all-stage2-gcc configure-stage3-gcc + echo all-stage3-gcc > stage_last ; \ + r=`${PWD_COMMAND}`; export r; \ + s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \ + mv stage2-gcc prev-gcc ; \ + mv stage3-gcc gcc ; \ + cd gcc && \ + $(MAKE) $(GCC_FLAGS_TO_PASS) \ + CC="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \ + BUILD_CC="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \ + CC_FOR_BUILD="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \ + STAGE_PREFIX=$$r/prev-gcc/ \ + $(POSTSTAGE1_FLAGS_TO_PASS) || exit 1 ; \ + cd .. ; \ + mv prev-gcc stage2-gcc ; \ + mv gcc stage3-gcc ; \ + $(STAMP) all-stage3-gcc + +# We only want to compare .o files, so set this! +objext = .o + +compare: all-stage3-gcc + r=`${PWD_COMMAND}`; export r; \ + s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \ + rm -f .bad_compare ; \ + cd stage3-gcc; \ + files=`find . -name "*$(objext)" -print` ; \ + cd .. ; \ + for file in $${files} ; do \ + cmp --ignore-initial=16 $$r/stage2-gcc/$$file $$r/stage3-gcc/$$file \ + > /dev/null 2>&1; \ + test $$? -eq 1 && echo $$file differs >> .bad_compare || true; \ + done ; \ + if [ -f .bad_compare ]; then \ + echo "Bootstrap comparison failure!"; \ + cat .bad_compare; \ + exit 1; \ + else \ + true; \ + fi ; \ + $(STAMP) compare + +.PHONY: new-bootstrap +# This target exists so that everything can be made in one pass. +# 'all-gcc' has to avoid stomping on the bootstrap-generated gcc for +# this to work. +new-bootstrap: compare + mv stage3-gcc gcc ; \ + $(MAKE) all ; \ + mv gcc stage3-gcc + # -------------------------------------- # Dependencies between different modules # -------------------------------------- |