From 1d39f3299631af4b58eb450f2a3d702fdda2c803 Mon Sep 17 00:00:00 2001 From: Nathanael Nerode Date: Tue, 16 Mar 2004 00:04:59 +0000 Subject: [PATCH] 2004-03-15 Nathanael Nerode * Makefile.tpl: Introduce experimental top level bootstrap support. * Makefile.in: Regenerate. * configure.in: Introduce support for top level bootstrap. * configure: Regenerate. --- ChangeLog | 7 ++ Makefile.in | 277 ++++++++++++++++++++++++++++++++++++++++++++++++++- Makefile.tpl | 277 ++++++++++++++++++++++++++++++++++++++++++++++++++- configure | 162 ++++++++++++++++++++---------- configure.in | 52 +++++++++- 5 files changed, 709 insertions(+), 66 deletions(-) diff --git a/ChangeLog b/ChangeLog index b8d3dc1fd8..23d6537685 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2004-03-15 Nathanael Nerode + + * Makefile.tpl: Introduce experimental top level bootstrap support. + * Makefile.in: Regenerate. + * configure.in: Introduce support for top level bootstrap. + * configure: Regenerate. + 2004-03-12 Eric Botcazou Paolo Bonzini diff --git a/Makefile.in b/Makefile.in index 91c19d9ea4..d65d350ab1 100644 --- a/Makefile.in +++ b/Makefile.in @@ -23555,10 +23555,13 @@ 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); ${PWD_COMMAND}`; export s; \ @@ -23601,14 +23604,14 @@ configure-gcc: .PHONY: all-gcc maybe-all-gcc maybe-all-gcc: all-gcc: configure-gcc - @if [ -f gcc/stage_last ] ; then \ - r=`${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 +23749,270 @@ 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 # -------------------------------------- diff --git a/Makefile.tpl b/Makefile.tpl index 6a30f45941..b565b03079 100644 --- a/Makefile.tpl +++ b/Makefile.tpl @@ -1072,10 +1072,13 @@ install-target-[+module+]: 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; \ @@ -1118,14 +1121,14 @@ 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 @@ -1263,6 +1266,270 @@ 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 ; \ + $(MAKE) all ; \ + mv gcc stage3-gcc + # -------------------------------------- # Dependencies between different modules # -------------------------------------- diff --git a/configure b/configure index b397bf1ce9..0efa37b6d7 100755 --- a/configure +++ b/configure @@ -21,6 +21,8 @@ ac_help="$ac_help ac_help="$ac_help --enable-maintainer-mode enable make rules and dependencies not useful (and sometimes confusing) to the casual installer" +ac_help="$ac_help + --enable-werror enable -Werror in bootstrap stage2 and later" # Initialize some variables set by options. # The variables have the same names as the options, with @@ -579,7 +581,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; } fi echo $ac_n "checking host system type""... $ac_c" 1>&6 -echo "configure:583: checking host system type" >&5 +echo "configure:585: checking host system type" >&5 host_alias=$host case "$host_alias" in @@ -600,7 +602,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` echo "$ac_t""$host" 1>&6 echo $ac_n "checking target system type""... $ac_c" 1>&6 -echo "configure:604: checking target system type" >&5 +echo "configure:606: checking target system type" >&5 target_alias=$target case "$target_alias" in @@ -618,7 +620,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` echo "$ac_t""$target" 1>&6 echo $ac_n "checking build system type""... $ac_c" 1>&6 -echo "configure:622: checking build system type" >&5 +echo "configure:624: checking build system type" >&5 build_alias=$build case "$build_alias" in @@ -673,7 +675,7 @@ test "$program_transform_name" = "" && program_transform_name="s,x,x," # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" # ./install, which can be erroneously created by make from ./install.sh. echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6 -echo "configure:677: checking for a BSD compatible install" >&5 +echo "configure:679: checking for a BSD compatible install" >&5 if test -z "$INSTALL"; then if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 @@ -1852,7 +1854,7 @@ fi # Extract the first word of "gcc", so it can be a program name with args. set dummy gcc; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:1856: checking for $ac_word" >&5 +echo "configure:1858: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1882,7 +1884,7 @@ if test -z "$CC"; then # Extract the first word of "cc", so it can be a program name with args. set dummy cc; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:1886: checking for $ac_word" >&5 +echo "configure:1888: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1933,7 +1935,7 @@ fi # Extract the first word of "cl", so it can be a program name with args. set dummy cl; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:1937: checking for $ac_word" >&5 +echo "configure:1939: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1965,7 +1967,7 @@ fi fi echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6 -echo "configure:1969: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5 +echo "configure:1971: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5 ac_ext=c # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options. @@ -1976,12 +1978,12 @@ cross_compiling=$ac_cv_prog_cc_cross cat > conftest.$ac_ext << EOF -#line 1980 "configure" +#line 1982 "configure" #include "confdefs.h" main(){return(0);} EOF -if { (eval echo configure:1985: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then +if { (eval echo configure:1987: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then ac_cv_prog_cc_works=yes # If we can't run a trivial program, we are probably using a cross compiler. if (./conftest; exit) 2>/dev/null; then @@ -2007,12 +2009,12 @@ if test $ac_cv_prog_cc_works = no; then { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; } fi echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6 -echo "configure:2011: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5 +echo "configure:2013: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6 cross_compiling=$ac_cv_prog_cc_cross echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6 -echo "configure:2016: checking whether we are using GNU C" >&5 +echo "configure:2018: checking whether we are using GNU C" >&5 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -2021,7 +2023,7 @@ else yes; #endif EOF -if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2025: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then +if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2027: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then ac_cv_prog_gcc=yes else ac_cv_prog_gcc=no @@ -2040,7 +2042,7 @@ ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" CFLAGS= echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6 -echo "configure:2044: checking whether ${CC-cc} accepts -g" >&5 +echo "configure:2046: checking whether ${CC-cc} accepts -g" >&5 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -2076,7 +2078,7 @@ fi # Extract the first word of "${ac_tool_prefix}gnatbind", so it can be a program name with args. set dummy ${ac_tool_prefix}gnatbind; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:2080: checking for $ac_word" >&5 +echo "configure:2082: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_GNATBIND'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -2108,7 +2110,7 @@ if test -n "$ac_tool_prefix"; then # Extract the first word of "gnatbind", so it can be a program name with args. set dummy gnatbind; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:2112: checking for $ac_word" >&5 +echo "configure:2114: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_GNATBIND'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -2141,7 +2143,7 @@ fi fi echo $ac_n "checking whether compiler driver understands Ada""... $ac_c" 1>&6 -echo "configure:2145: checking whether compiler driver understands Ada" >&5 +echo "configure:2147: checking whether compiler driver understands Ada" >&5 if eval "test \"`echo '$''{'acx_cv_cc_gcc_supports_ada'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -2171,6 +2173,10 @@ else fi +# By default, C is the only stage 1 langauge. +stage1_languages=c + + # Figure out what language subdirectories are present. # Look if the user specified --enable-languages="..."; if not, use # the environment variable $LANGUAGES if defined. $LANGUAGES might @@ -2233,10 +2239,11 @@ if test -d ${srcdir}/gcc; then ${srcdir}/gcc/[*]/config-lang.in) ;; *) # From the config-lang.in, get $language, $target_libs, - # $lang_dirs, and $build_by_default + # $lang_dirs, $boot_language, and $build_by_default language= target_libs= lang_dirs= + boot_language= build_by_default= . ${lang_frag} # This is quite sensitive to the ordering of the case statement arms. @@ -2269,10 +2276,18 @@ if test -d ${srcdir}/gcc; then case $add_this_lang in no) # Remove language-dependent dirs. - eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\" ;; + eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\" + ;; *) new_enable_languages="$new_enable_languages,$language" - missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` ;; + missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` + case ${boot_language} in + yes) + # Add to (space-separated) list of stage 1 languages. + stage1_languages="${stage1_languages} ${language}" + ;; + esac + ;; esac ;; esac @@ -3219,7 +3234,7 @@ test -n "$target_alias" && ncn_target_tool_prefix=$target_alias- # Extract the first word of "${ncn_tool_prefix}ar", so it can be a program name with args. set dummy ${ncn_tool_prefix}ar; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3223: checking for $ac_word" >&5 +echo "configure:3238: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3252,7 +3267,7 @@ if test -z "$ac_cv_prog_AR" ; then # Extract the first word of "ar", so it can be a program name with args. set dummy ar; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3256: checking for $ac_word" >&5 +echo "configure:3271: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AR'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3291,7 +3306,7 @@ fi # Extract the first word of "${ncn_tool_prefix}as", so it can be a program name with args. set dummy ${ncn_tool_prefix}as; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3295: checking for $ac_word" >&5 +echo "configure:3310: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3324,7 +3339,7 @@ if test -z "$ac_cv_prog_AS" ; then # Extract the first word of "as", so it can be a program name with args. set dummy as; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3328: checking for $ac_word" >&5 +echo "configure:3343: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AS'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3363,7 +3378,7 @@ fi # Extract the first word of "${ncn_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ncn_tool_prefix}dlltool; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3367: checking for $ac_word" >&5 +echo "configure:3382: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3396,7 +3411,7 @@ if test -z "$ac_cv_prog_DLLTOOL" ; then # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3400: checking for $ac_word" >&5 +echo "configure:3415: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_DLLTOOL'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3435,7 +3450,7 @@ fi # Extract the first word of "${ncn_tool_prefix}ld", so it can be a program name with args. set dummy ${ncn_tool_prefix}ld; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3439: checking for $ac_word" >&5 +echo "configure:3454: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3468,7 +3483,7 @@ if test -z "$ac_cv_prog_LD" ; then # Extract the first word of "ld", so it can be a program name with args. set dummy ld; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3472: checking for $ac_word" >&5 +echo "configure:3487: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_LD'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3507,7 +3522,7 @@ fi # Extract the first word of "${ncn_tool_prefix}nm", so it can be a program name with args. set dummy ${ncn_tool_prefix}nm; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3511: checking for $ac_word" >&5 +echo "configure:3526: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_NM'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3540,7 +3555,7 @@ if test -z "$ac_cv_prog_NM" ; then # Extract the first word of "nm", so it can be a program name with args. set dummy nm; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3544: checking for $ac_word" >&5 +echo "configure:3559: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_NM'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3579,7 +3594,7 @@ fi # Extract the first word of "${ncn_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ncn_tool_prefix}ranlib; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3583: checking for $ac_word" >&5 +echo "configure:3598: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3612,7 +3627,7 @@ if test -z "$ac_cv_prog_RANLIB" ; then # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3616: checking for $ac_word" >&5 +echo "configure:3631: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_RANLIB'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3651,7 +3666,7 @@ fi # Extract the first word of "${ncn_tool_prefix}windres", so it can be a program name with args. set dummy ${ncn_tool_prefix}windres; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3655: checking for $ac_word" >&5 +echo "configure:3670: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3684,7 +3699,7 @@ if test -z "$ac_cv_prog_WINDRES" ; then # Extract the first word of "windres", so it can be a program name with args. set dummy windres; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3688: checking for $ac_word" >&5 +echo "configure:3703: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_WINDRES'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3723,7 +3738,7 @@ fi # Extract the first word of "${ncn_tool_prefix}objcopy", so it can be a program name with args. set dummy ${ncn_tool_prefix}objcopy; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3727: checking for $ac_word" >&5 +echo "configure:3742: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_OBJCOPY'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3756,7 +3771,7 @@ if test -z "$ac_cv_prog_OBJCOPY" ; then # Extract the first word of "objcopy", so it can be a program name with args. set dummy objcopy; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3760: checking for $ac_word" >&5 +echo "configure:3775: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJCOPY'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3795,7 +3810,7 @@ fi # Extract the first word of "${ncn_tool_prefix}objdump", so it can be a program name with args. set dummy ${ncn_tool_prefix}objdump; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3799: checking for $ac_word" >&5 +echo "configure:3814: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3828,7 +3843,7 @@ if test -z "$ac_cv_prog_OBJDUMP" ; then # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3832: checking for $ac_word" >&5 +echo "configure:3847: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJDUMP'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3877,7 +3892,7 @@ fi # Extract the first word of "${ncn_target_tool_prefix}ar", so it can be a program name with args. set dummy ${ncn_target_tool_prefix}ar; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3881: checking for $ac_word" >&5 +echo "configure:3896: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_AR_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3910,7 +3925,7 @@ if test -z "$ac_cv_prog_AR_FOR_TARGET" ; then # Extract the first word of "ar", so it can be a program name with args. set dummy ar; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3914: checking for $ac_word" >&5 +echo "configure:3929: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AR_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3949,7 +3964,7 @@ fi # Extract the first word of "${ncn_target_tool_prefix}as", so it can be a program name with args. set dummy ${ncn_target_tool_prefix}as; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3953: checking for $ac_word" >&5 +echo "configure:3968: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_AS_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3982,7 +3997,7 @@ if test -z "$ac_cv_prog_AS_FOR_TARGET" ; then # Extract the first word of "as", so it can be a program name with args. set dummy as; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:3986: checking for $ac_word" >&5 +echo "configure:4001: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AS_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4021,7 +4036,7 @@ fi # Extract the first word of "${ncn_target_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ncn_target_tool_prefix}dlltool; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4025: checking for $ac_word" >&5 +echo "configure:4040: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4054,7 +4069,7 @@ if test -z "$ac_cv_prog_DLLTOOL_FOR_TARGET" ; then # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4058: checking for $ac_word" >&5 +echo "configure:4073: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4093,7 +4108,7 @@ fi # Extract the first word of "${ncn_target_tool_prefix}ld", so it can be a program name with args. set dummy ${ncn_target_tool_prefix}ld; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4097: checking for $ac_word" >&5 +echo "configure:4112: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_LD_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4126,7 +4141,7 @@ if test -z "$ac_cv_prog_LD_FOR_TARGET" ; then # Extract the first word of "ld", so it can be a program name with args. set dummy ld; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4130: checking for $ac_word" >&5 +echo "configure:4145: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_LD_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4165,7 +4180,7 @@ fi # Extract the first word of "${ncn_target_tool_prefix}nm", so it can be a program name with args. set dummy ${ncn_target_tool_prefix}nm; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4169: checking for $ac_word" >&5 +echo "configure:4184: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_NM_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4198,7 +4213,7 @@ if test -z "$ac_cv_prog_NM_FOR_TARGET" ; then # Extract the first word of "nm", so it can be a program name with args. set dummy nm; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4202: checking for $ac_word" >&5 +echo "configure:4217: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_NM_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4237,7 +4252,7 @@ fi # Extract the first word of "${ncn_target_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ncn_target_tool_prefix}ranlib; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4241: checking for $ac_word" >&5 +echo "configure:4256: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4270,7 +4285,7 @@ if test -z "$ac_cv_prog_RANLIB_FOR_TARGET" ; then # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4274: checking for $ac_word" >&5 +echo "configure:4289: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_RANLIB_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4309,7 +4324,7 @@ fi # Extract the first word of "${ncn_target_tool_prefix}windres", so it can be a program name with args. set dummy ${ncn_target_tool_prefix}windres; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4313: checking for $ac_word" >&5 +echo "configure:4328: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4342,7 +4357,7 @@ if test -z "$ac_cv_prog_WINDRES_FOR_TARGET" ; then # Extract the first word of "windres", so it can be a program name with args. set dummy windres; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:4346: checking for $ac_word" >&5 +echo "configure:4361: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_WINDRES_FOR_TARGET'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -4409,7 +4424,7 @@ RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6 -echo "configure:4413: checking whether to enable maintainer-specific portions of Makefiles" >&5 +echo "configure:4428: checking whether to enable maintainer-specific portions of Makefiles" >&5 # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given. if test "${enable_maintainer_mode+set}" = set; then enableval="$enable_maintainer_mode" @@ -4430,6 +4445,44 @@ else fi MAINT=$MAINTAINER_MODE_TRUE +# --------------------- +# GCC bootstrap support +# --------------------- + +# Stage specific cflags for build. +stage1_cflags="-g" +case $build in + vax-*-*) + case ${GCC} in + yes) stage1_cflags="-g -Wa,-J" ;; + *) stage1_cflags="-g -J" ;; + esac ;; + powerpc-*-darwin*) + # The spiffy cpp-precomp chokes on some legitimate constructs in GCC + # sources; use -no-cpp-precomp to get to GNU cpp. + # Apple's GCC has bugs in designated initializer handling, so disable + # that too. + stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0" + ;; +esac + + +# Enable -Werror in bootstrap stage2 and later. +# Change the default to "no" on release branches. +# Check whether --enable-werror or --disable-werror was given. +if test "${enable_werror+set}" = set; then + enableval="$enable_werror" + : +else + enable_werror=yes +fi + +case ${enable_error} in + yes) WERROR=-Werror ;; + *) WERROR= ;; +esac + + trap '' 1 2 15 cat > confcache <<\EOF # This file is a shell script that caches the results of configure @@ -4599,6 +4652,7 @@ s%@host_subdir@%$host_subdir%g s%@target_subdir@%$target_subdir%g s%@CC@%$CC%g s%@GNATBIND@%$GNATBIND%g +s%@stage1_languages@%$stage1_languages%g /@maybe_dependencies@/r $maybe_dependencies s%@maybe_dependencies@%%g /@serialization_dependencies@/r $serialization_dependencies @@ -4684,6 +4738,8 @@ s%@RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE@%$RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE s%@MAINTAINER_MODE_TRUE@%$MAINTAINER_MODE_TRUE%g s%@MAINTAINER_MODE_FALSE@%$MAINTAINER_MODE_FALSE%g s%@MAINT@%$MAINT%g +s%@stage1_cflags@%$stage1_cflags%g +s%@WERROR@%$WERROR%g CEOF EOF diff --git a/configure.in b/configure.in index 6fa30221c5..a5ba6e2cad 100644 --- a/configure.in +++ b/configure.in @@ -1070,6 +1070,10 @@ fi ACX_PROG_GNAT +# By default, C is the only stage 1 langauge. +stage1_languages=c +AC_SUBST(stage1_languages) + # Figure out what language subdirectories are present. # Look if the user specified --enable-languages="..."; if not, use # the environment variable $LANGUAGES if defined. $LANGUAGES might @@ -1132,10 +1136,11 @@ if test -d ${srcdir}/gcc; then ${srcdir}/gcc/[[*]]/config-lang.in) ;; *) # From the config-lang.in, get $language, $target_libs, - # $lang_dirs, and $build_by_default + # $lang_dirs, $boot_language, and $build_by_default language= target_libs= lang_dirs= + boot_language= build_by_default= . ${lang_frag} # This is quite sensitive to the ordering of the case statement arms. @@ -1168,10 +1173,18 @@ if test -d ${srcdir}/gcc; then case $add_this_lang in no) # Remove language-dependent dirs. - eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\" ;; + eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\" + ;; *) new_enable_languages="$new_enable_languages,$language" - missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` ;; + missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` + case ${boot_language} in + yes) + # Add to (space-separated) list of stage 1 languages. + stage1_languages="${stage1_languages} ${language}" + ;; + esac + ;; esac ;; esac @@ -2184,4 +2197,37 @@ fi MAINT=$MAINTAINER_MODE_TRUE AC_SUBST(MAINT)dnl +# --------------------- +# GCC bootstrap support +# --------------------- + +# Stage specific cflags for build. +stage1_cflags="-g" +case $build in + vax-*-*) + case ${GCC} in + yes) stage1_cflags="-g -Wa,-J" ;; + *) stage1_cflags="-g -J" ;; + esac ;; + powerpc-*-darwin*) + # The spiffy cpp-precomp chokes on some legitimate constructs in GCC + # sources; use -no-cpp-precomp to get to GNU cpp. + # Apple's GCC has bugs in designated initializer handling, so disable + # that too. + stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0" + ;; +esac +AC_SUBST(stage1_cflags) + +# Enable -Werror in bootstrap stage2 and later. +# Change the default to "no" on release branches. +AC_ARG_ENABLE(werror, +[ --enable-werror enable -Werror in bootstrap stage2 and later], [], +[enable_werror=yes]) +case ${enable_error} in + yes) WERROR=-Werror ;; + *) WERROR= ;; +esac +AC_SUBST(WERROR) + AC_OUTPUT(Makefile) -- 2.34.1