$(srcdir)/ginclude/va-m32r.h $(srcdir)/ginclude/va-sh.h \
$(srcdir)/ginclude/va-v850.h $(srcdir)/ginclude/va-arc.h \
$(srcdir)/ginclude/iso646.h $(srcdir)/ginclude/va-ppc.h \
- $(srcdir)/ginclude/proto.h $(EXTRA_HEADERS) \
- $(LANG_EXTRA_HEADERS)
+ $(EXTRA_HEADERS) $(LANG_EXTRA_HEADERS) \
+ $(srcdir)/ginclude/proto.h $(srcdir)/ginclude/stdbool.h
# Target to use whe installing assert.h. Some systems may
# want to set this empty.
# It also specifies -I./include to find, e.g., stddef.h.
GCC_CFLAGS=$(INTERNAL_CFLAGS) $(X_CFLAGS) $(T_CFLAGS) $(CFLAGS) -I./include $(TCFLAGS)
-# Special flags for compiling enquire.
-# We disable optimization to make floating point more reliable.
-ENQUIRE_CFLAGS = -DNO_MEM -DNO_LONG_DOUBLE_IO -O0
-ENQUIRE_LDFLAGS = $(LDFLAGS)
-
# Sed command to transform gcc to installed name. Overwritten by configure.
program_transform_name = @program_transform_name@
program_transform_cross_name = s,^,$(target_alias)-,
# Control whether to run fixproto.
STMP_FIXPROTO = stmp-fixproto
-# Test to see whether <float.h> exists in the system header files,
-# and is not derived from GCC.
-FLOAT_H_TEST = \
- [ -f $(SYSTEM_HEADER_DIR)/float.h ] && \
- if grep 'ifndef _FLOAT_H___' $(SYSTEM_HEADER_DIR)/float.h >/dev/null; \
- then false; \
- else :; fi
-
# Test to see whether <limits.h> exists in the system header files.
LIMITS_H_TEST = [ -f $(SYSTEM_HEADER_DIR)/limits.h ]
# Some targets override this to stmp-int-hdrs
LIBGCC2_DEPS =
-# Enquire target (This is a variable so that a target can choose not to
-# build it.)
-ENQUIRE = enquire
-
# libgcc1-test target (must also be overridable for a target)
LIBGCC1_TEST = libgcc1-test
# This is overridden by configure.
CROSS_FLOAT_H=$(srcdir)/config/float-@float_format@.h
+# We do not try to build float.h anymore. Let configure select the
+# appropriate pre-built float.h file for the target.
+FLOAT_H=$(srcdir)/config/float-@float_format@.h
+
# Program to convert libraries.
LIBCONVERT =
# Choose the real install target.
INSTALL_TARGET=install-normal
-# Source for float.h. Overridden by cross-make.
-FLOAT_H=float.h-nat
-# We do not try to build float.h anymore. Let configure select the
-# appropriate pre-built float.h file for the target.
-FLOAT_H=$(srcdir)/config/float-@float_format@.h
-
# Setup the testing framework, if you have one
EXPECT = `if [ -f $${rootme}/../expect/expect ] ; then \
echo $${rootme}/../expect/expect ; \
varasm.o rtl.o print-rtl.o rtlanal.o emit-rtl.o genrtl.o real.o regmove.o \
dbxout.o sdbout.o dwarfout.o dwarf2out.o xcoffout.o bitmap.o alias.o \
integrate.o jump.o cse.o loop.o unroll.o flow.o stupid.o combine.o \
- regclass.o local-alloc.o global.o reload.o reload1.o caller-save.o \
+ regclass.o local-alloc.o global.o reload.o reload1.o caller-save.o gcse.o \
insn-peep.o reorg.o $(SCHED_PREFIX)sched.o final.o recog.o reg-stack.o \
insn-opinit.o insn-recog.o insn-extract.o insn-output.o insn-emit.o \
profile.o insn-attrtab.o $(out_object_file) getpwd.o $(EXTRA_OBJS) convert.o
# makes for cc1 or cc1plus. Otherwise sequent parallel make attempts to load
# them before rtl.o is compiled.
GEN= genemit genoutput genrecog genextract genflags gencodes genconfig \
- genpeep gengenrtl
+ genpeep gengenrtl gencheck
CCCP=cccp
# Uncomment this line if you want to use cppmain (w/cpplib) as cpp.
# Files to be copied away after each stage in building.
STAGESTUFF = *$(objext) insn-flags.h insn-config.h insn-codes.h \
insn-output.c insn-recog.c insn-emit.c insn-extract.c insn-peep.c \
- insn-attr.h insn-attrtab.c insn-opinit.c genrtl.c genrtl.h \
+ insn-attr.h insn-attrtab.c insn-opinit.c genrtl.c genrtl.h tree-check.h \
s-flags s-config s-codes s-mlib \
s-output s-recog s-emit s-extract s-peep \
s-attr s-attrtab s-opinit s-crt s-crtS s-crt0 \
genextract$(build_exeext) genflags$(build_exeext) gencodes$(build_exeext) \
genconfig$(build_exeext) genpeep$(build_exeext) genattrtab$(build_exeext) \
genattr$(build_exeext) genopinit$(build_exeext) gengenrtl$(build_exeext) \
+ gencheck$(build_exeext) \
xgcc$(exeext) cc1$(exeext) cpp$(exeext) $(EXTRA_PASSES) \
$(EXTRA_PARTS) $(EXTRA_PROGRAMS) gcc-cross$(exeext) \
$(CCCP)$(exeext) cc1obj$(exeext) enquire$(exeext) \
specs collect2$(exeext) $(USE_COLLECT2) underscore.c \
gcov$(exeext) *.bp \
*.greg *.lreg *.combine *.flow *.cse *.jump *.rtl *.tree *.loop \
- *.dbr *.jump2 *.sched *.cse2 *.sched2 *.stack \
+ *.dbr *.jump2 *.sched *.cse2 *.sched2 *.stack *.gcse \
*.[si] \
$(LANG_STAGESTUFF)
CONFIG_H =
RTL_BASE_H = rtl.h rtl.def gansidecl.h machmode.h machmode.def
RTL_H = $(RTL_BASE_H) genrtl.h
-TREE_H = tree.h real.h tree.def gansidecl.h machmode.h machmode.def
+TREE_H = tree.h real.h tree.def gansidecl.h machmode.h machmode.def tree-check.h
BASIC_BLOCK_H = basic-block.h bitmap.h
DEMANGLE_H = demangle.h gansidecl.h
RECOG_H = recog.h gansidecl.h
$(srcdir)/config.in: $(srcdir)/cstamp-h.in
$(srcdir)/cstamp-h.in: $(srcdir)/configure.in $(srcdir)/acconfig.h
cd $(srcdir) && autoheader
+ @rm -f $(srcdir)/cstamp-h.in
echo timestamp > $(srcdir)/cstamp-h.in
auto-host.h: cstamp-h ; @true
cstamp-h: config.in config.status
# This is what to compile if making a cross-compiler.
# Note that we can compile enquire using the cross-compiler just built,
# although we can't run it on this machine.
-all.cross: native gcc-cross specs stmp-headers $(LIBGCC) $(STMP_FIXPROTO) \
+all.cross: native gcc-cross specs stmp-headers $(STMP_FIXPROTO) $(LIBGCC) \
$(LIBGCC1_TEST) $(EXTRA_PARTS) lang.all.cross
# This is what to compile if making gcc with a cross-compiler.
all.build: native xgcc$(exeext) $(EXTRA_PARTS) lang.all.build
# This is what must be made before installing GCC and converting libraries.
start.encap: native xgcc$(exeext) specs $(LIBGCC1) xlimits.h lang.start.encap
# These can't be made until after GCC can run.
-rest.encap: stmp-headers $(LIBGCC) $(STMP_FIXPROTO) $(EXTRA_PARTS) lang.rest.encap
+rest.encap: stmp-headers $(STMP_FIXPROTO) $(LIBGCC) $(EXTRA_PARTS) lang.rest.encap
# This is what is made with the host's compiler
# whether making a cross compiler or not.
native: config.status auto-host.h cpp$(exeext) $(LANGUAGES) \
-rm -f gfloat.h
cp $(FLOAT_H) gfloat.h
-# Create float.h source for the native machine.
-# Make it empty if we can use the system float.h without changes.
-float.h-nat: enquire
- -./enquire -f > tmp-float.h
- grep '#define [^_]' tmp-float.h >/dev/null || true > tmp-float.h
- mv tmp-float.h float.h-nat
-
-# Create a dummy float.h source for a cross-compiler.
-# ??? This isn't used anymore. Should we create config/float-unkn.h
-# and make that the default float_format in configure?
-float.h-cross:
- echo "#ifndef __GCC_FLOAT_NOT_NEEDED" > t-float.h-cross
- echo "#error float.h values not known for cross-compiler" >> t-float.h-cross
- echo "#endif" >> t-float.h-cross
- mv t-float.h-cross float.h-cross
-
-# Used to compile enquire with standard cc, but have forgotten why.
-# Let's try with GCC.
-enquire: enquire.o $(GCC_PARTS)
- $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(ENQUIRE_LDFLAGS) enquire.o -o $@
-enquire.o: $(srcdir)/enquire.c $(GCC_PASSES) stmp-int-hdrs
- rm -f include/float.h
- if $(FLOAT_H_TEST); then \
- SYS_FLOAT_H_WRAP=1; \
- else :; \
- SYS_FLOAT_H_WRAP=0; \
- fi; \
- $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(ALL_CPPFLAGS) $(ENQUIRE_CFLAGS) \
- -DSYS_FLOAT_H_WRAP=$$SYS_FLOAT_H_WRAP \
- -I. -c $(srcdir)/enquire.c
-
# Build the version of limits.h that we will install.
xlimits.h: glimits.h limitx.h limity.h
if $(LIMITS_H_TEST) ; then \
# Compiling libgcc2.a requires making sure that cc1, etc. have been compiled.
# But recompiling cc1 should not force recompilation of libgcc2.a.
# If you want to force recompilation, delete libgcc2.a.
-libgcc2.ready: $(GCC_PASSES) $(LIBGCC2_DEPS) stmp-int-hdrs
+libgcc2.ready: $(GCC_PASSES) $(LIBGCC2_DEPS) stmp-int-hdrs $(STMP_FIXPROTO)
-if [ -f libgcc2.ready ] ; then \
true; \
else \
toplev.h output.h
c-aux-info.o : c-aux-info.c $(CONFIG_H) system.h $(TREE_H) c-tree.h flags.h
c-convert.o : c-convert.c $(CONFIG_H) system.h $(TREE_H) flags.h toplev.h
-c-pragma.o: c-pragma.c $(CONFIG_H) system.h $(TREE_H) except.h function.h \
- defaults.h c-pragma.h toplev.h
+c-pragma.o: c-pragma.c $(CONFIG_H) system.h $(RTL_H) $(TREE_H) except.h \
+ function.h defaults.h c-pragma.h toplev.h
c-iterate.o: c-iterate.c $(CONFIG_H) system.h $(TREE_H) $(RTL_H) c-tree.h \
flags.h toplev.h
$(DRIVER_DEFINES) \
-c `echo $(srcdir)/gcc.c | sed 's,^\./,,'`
+tree-check.h: s-check ; @true
+s-check : tree.def gencheck $(srcdir)/move-if-change
+ ./gencheck > tmp-check.h
+ $(srcdir)/move-if-change tmp-check.h tree-check.h
+ touch s-check
+
+gencheck : gencheck.o tree.h tree.def $(HOST_LIBDEPS)
+ $(HOST_CC) $(HOST_CFLAGS) $(HOST_LDFLAGS) -o $@ \
+ gencheck.o $(HOST_LIBS)
+
+gencheck.o : gencheck.c hconfig.h system.h
+ $(HOST_CC) -c $(HOST_CFLAGS) $(HOST_CPPFLAGS) $(INCLUDES) $(srcdir)/gencheck.c
+
dumpvers: dumpvers.c
version.o: version.c
convert.o: convert.c $(CONFIG_H) $(TREE_H) flags.h convert.h toplev.h
-tree.o : tree.c $(CONFIG_H) system.h $(TREE_H) flags.h function.h toplev.h
+tree.o : tree.c $(CONFIG_H) system.h $(TREE_H) flags.h function.h toplev.h except.h
print-tree.o : print-tree.c $(CONFIG_H) system.h $(TREE_H)
stor-layout.o : stor-layout.c $(CONFIG_H) system.h $(TREE_H) flags.h \
function.h expr.h insn-codes.h $(RTL_H) toplev.h except.h
rtl.o : rtl.c $(CONFIG_H) system.h $(RTL_H) bitmap.h
-print-rtl.o : print-rtl.c $(CONFIG_H) system.h $(RTL_H)
+print-rtl.o : print-rtl.c $(CONFIG_H) system.h $(RTL_H) bitmap.h
rtlanal.o : rtlanal.c $(CONFIG_H) system.h $(RTL_H)
varasm.o : varasm.c $(CONFIG_H) system.h $(TREE_H) $(RTL_H) flags.h \
optabs.o : optabs.c $(CONFIG_H) system.h $(RTL_H) $(TREE_H) flags.h \
insn-flags.h insn-config.h insn-codes.h expr.h $(RECOG_H) reload.h
dbxout.o : dbxout.c $(CONFIG_H) system.h $(TREE_H) $(RTL_H) flags.h regs.h \
- insn-config.h reload.h gstab.h xcoffout.h defaults.h output.h dbxout.h
+ insn-config.h reload.h gstab.h xcoffout.h defaults.h output.h dbxout.h \
+ toplev.h
sdbout.o : sdbout.c $(CONFIG_H) system.h $(TREE_H) $(RTL_H) flags.h except.h \
function.h expr.h output.h hard-reg-set.h regs.h defaults.h real.h \
insn-config.h obstack.h xcoffout.h c-pragma.h sdbout.h
cse.o : cse.c $(CONFIG_H) system.h $(RTL_H) regs.h hard-reg-set.h flags.h \
real.h insn-config.h insn-codes.h $(RECOG_H) expr.h
+gcse.o : gcse.c $(CONFIG_H) system.h $(RTL_H) regs.h hard-reg-set.h flags.h \
+ real.h insn-config.h insn-codes.h $(RECOG_H) expr.h basic-block.h
profile.o : profile.c $(CONFIG_H) system.h $(RTL_H) flags.h insn-flags.h \
gcov-io.h $(TREE_H) output.h regs.h toplev.h
loop.o : loop.c $(CONFIG_H) system.h $(RTL_H) flags.h loop.h insn-config.h \
insn-codes.h recog.h output.h reload.h regs.h hard-reg-set.h flags.h \
expr.h insn-flags.h
$(SCHED_PREFIX)sched.o : $(SCHED_PREFIX)sched.c $(CONFIG_H) system.h $(RTL_H) \
- $(BASIC_BLOCK_H) regs.h hard-reg-set.h flags.h insn-config.h insn-attr.h
+ $(BASIC_BLOCK_H) regs.h hard-reg-set.h flags.h insn-config.h insn-attr.h \
+ toplev.h
final.o : final.c $(CONFIG_H) system.h $(RTL_H) $(TREE_H) flags.h regs.h \
$(RECOG_H) conditions.h insn-config.h insn-attr.h except.h real.h output.h \
hard-reg-set.h insn-flags.h insn-codes.h gstab.h xcoffout.h defaults.h \
$(out_object_file): $(out_file) $(CONFIG_H) $(TREE_H) \
$(RTL_H) regs.h hard-reg-set.h real.h insn-config.h conditions.h \
- insn-flags.h output.h insn-attr.h insn-codes.h
+ insn-flags.h output.h insn-attr.h insn-codes.h system.h toplev.h
$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $(out_file)
# Build auxiliary files that support ecoff format.
$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ cppmain.o cpplib.o cpphash.o \
cppalloc.o cpperror.o cppexp.o prefix.o version.o $(LIBS)
-cppmain.o: cppmain.c $(CONFIG_H) cpplib.h system.h
+cppmain.o: cppmain.c $(CONFIG_H) cpplib.h system.h gansidecl.h
-cpplib.o: cpplib.c $(CONFIG_H) cpplib.h cpphash.h config.status system.h
+cpplib.o: cpplib.c $(CONFIG_H) cpplib.h cpphash.h config.status system.h \
+ gansidecl.h
$(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
-DGCC_INCLUDE_DIR=\"$(libsubdir)/include\" \
-DGPLUSPLUS_INCLUDE_DIR=\"$(gxx_include_dir)\" \
-DTOOL_INCLUDE_DIR=\"$(tooldir)/include\" \
-c `echo $(srcdir)/cpplib.c | sed 's,^\./,,'`
-cpperror.o: cpperror.c $(CONFIG_H) cpplib.h system.h
+cpperror.o: cpperror.c $(CONFIG_H) cpplib.h system.h gansidecl.h
-cppexp.o: cppexp.c $(CONFIG_H) cpplib.h system.h
+cppexp.o: cppexp.c $(CONFIG_H) cpplib.h system.h gansidecl.h
-cpphash.o: cpphash.c cpplib.h cpphash.h $(CONFIG_H) system.h
+cpphash.o: cpphash.c cpplib.h cpphash.h $(CONFIG_H) system.h gansidecl.h
-cppalloc.o: cppalloc.c $(CONFIG_H) cpplib.h system.h
+cppalloc.o: cppalloc.c $(CONFIG_H) cpplib.h system.h gansidecl.h
# Note for the stamp targets, we run the program `true' instead of
# having an empty command (nothing following the semicolon).
# s-* so that mostlyclean does not force the include directory to
# be rebuilt.
-# Build the include directory except for float.h (which depends upon
+# Build the include directory including float.h (which no longer depends upon
# enquire).
-stmp-int-hdrs: stmp-fixinc $(USER_H) xlimits.h
+stmp-int-hdrs: stmp-fixinc $(USER_H) xlimits.h gfloat.h
# Copy in the headers provided with gcc.
# The sed command gets just the last file name component;
# this is necessary because VPATH could add a dirname.
rm -f include/limits.h
cp xlimits.h include/limits.h
chmod a+r include/limits.h
-# Install the README
- rm -f include/README
- cp $(srcdir)/README-fixinc include/README
- chmod a+r include/README
- touch stmp-int-hdrs
-
-# Build the complete include directory, including float.h.
-stmp-headers: stmp-int-hdrs gfloat.h
rm -f include/float.h
if [ -s gfloat.h ]; then \
cp gfloat.h include/float.h && \
chmod a+r include/float.h; \
else :; fi
- touch stmp-headers
+# Install the README
+ rm -f include/README
+ cp $(srcdir)/README-fixinc include/README
+ chmod a+r include/README
+ touch $@
+
+# Now that gfloat.h no longer depends upon enquire, this is actually a no-op.
+stmp-headers:
+ touch $@
fixinc.sh :
- cd ../contrib/fixinc ; CC=$(CC) MAKE=$(MAKE) CFLAGS=$(CFLAGS) \
- $(SHELL) mkfixinc.sh $(target) $(srcdir)
+ DEST=`cd $(srcdir) ; pwd`/$@ CC=$(CC) MAKE=$(MAKE) CFLAGS="$(CFLAGS)" \
+ export DEST CC MAKE CFLAGS ; \
+ echo DEST=$$DEST CC=$$CC MAKE=$$MAKE CFLAGS=$$CFLAGS ; \
+ cd ../contrib/fixinc ; \
+ $(SHELL) mkfixinc.sh $(target) $$DEST
# Build fixed copies of system files.
stmp-fixinc: $(FIXINCLUDES) gsyslimits.h
# Files related to the fixproto script.
deduced.h: $(GCC_PASSES) $(srcdir)/scan-types.sh stmp-int-hdrs
- CC="$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(ALL_CPPFLAGS) -I. -I$(srcdir) -Iinclude -I${SYSTEM_HEADER_DIR}"; \
+ if [ -d $(SYSTEM_HEADER_DIR) ]; \
+ then \
+ CC="$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(ALL_CPPFLAGS) -I. -I$(srcdir) -Iinclude -I${SYSTEM_HEADER_DIR}"; \
export CC; \
- $(SHELL) $(srcdir)/scan-types.sh "$(srcdir)" >tmp-deduced.h
- mv tmp-deduced.h deduced.h
+ $(SHELL) $(srcdir)/scan-types.sh "$(srcdir)" >tmp-deduced.h; \
+ mv tmp-deduced.h deduced.h; \
+ else \
+ touch deduced.h; \
+ fi
gen-protos: gen-protos.o scan.o cppalloc.o $(HOST_LIBDEPS)
${HOST_CC} $(HOST_CFLAGS) $(HOST_LDFLAGS) -o $@ \
version.o cppexp.o $(HOST_LIBS)
fix-header.o: fix-header.c obstack.h scan.h xsys-protos.h $(build_xm_file) \
- system.h
+ system.h cpplib.h cpphash.h
$(HOST_CC) -c $(HOST_CFLAGS) $(HOST_CPPFLAGS) $(INCLUDES) $(srcdir)/fix-header.c
-scan-decls.o: scan-decls.c scan.h cpplib.h $(build_xm_file) system.h
+scan-decls.o: scan-decls.c scan.h cpplib.h $(build_xm_file) system.h gansidecl.h
$(HOST_CC) -c $(HOST_CFLAGS) $(HOST_CPPFLAGS) $(INCLUDES) $(srcdir)/scan-decls.c
# stmp-fixproto depends on this, not on fix-header directly.
else \
: This line works around a 'make' bug in BSDI 1.1.; \
FIXPROTO_DEFINES="$(FIXPROTO_DEFINES)"; export FIXPROTO_DEFINES; \
- $(SHELL) ${srcdir}/fixproto include include $(SYSTEM_HEADER_DIR); \
+ if [ -d $(SYSTEM_HEADER_DIR) ] ; then \
+ $(SHELL) ${srcdir}/fixproto include include $(SYSTEM_HEADER_DIR); \
+ else true; fi; \
touch include/fixed; \
fi
touch stmp-fixproto
-rm -f */stamp-* */tmp-*
# Delete debugging dump files.
-rm -f *.greg *.lreg *.combine *.flow *.cse *.jump *.rtl *.tree *.loop
- -rm -f *.dbr *.jump2 *.sched *.cse2 *.sched2 *.stack *.addressof *.regmove *.mach *.bp
+ -rm -f *.dbr *.jump2 *.sched *.cse2 *.sched2 *.stack *.addressof
+ -rm -f *.regmove *.mach *.bp *.gcse
-rm -f */*.greg */*.lreg */*.combine */*.flow */*.cse */*.jump */*.rtl
-rm -f */*.tree */*.loop */*.dbr */*.jump2 */*.sched */*.cse2
- -rm -f */*.sched2 */*.stack */*.regmove
+ -rm -f */*.sched2 */*.stack */*.regmove */*.gcse
# Delete some files made during installation.
-rm -f specs gfloat.h float.h-* enquire SYSCALLS.c.X SYSCALLS.c
-rm -f collect collect2 mips-tfile mips-tdump alloca.s
echo "append LDFLAGS \" -L$(objdir)/../ld\"" >> ./tmp0; \
else true; \
fi
- @if [ $(build_canonical) != $(host_canonical) ] ; then \
- echo "set tmpdir /tmp" >> ./tmp0 ; \
- else echo "set tmpdir $(objdir)/testsuite" >> ./tmp0 ; \
- fi
+ echo "set tmpdir $(objdir)/testsuite" >> ./tmp0
@echo "set srcdir \"\$${srcdir}/testsuite\"" >> ./tmp0
@echo "## All variables above are generated by configure. Do Not Edit ##" >> ./tmp0
@cat ./tmp0 > site.exp
-if test $@ = bootstrap-lean; then rm -rf stage1; else true; fi
$(MAKE) CC="stage2/xgcc$(exeext) -Bstage2/" CFLAGS="$(WARN_CFLAGS) $(BOOT_CFLAGS)" LDFLAGS="$(BOOT_LDFLAGS)" libdir=$(libdir) STAGE_PREFIX=stage2/ LANGUAGES="$(LANGUAGES)"
-bootstrap2: force
+bootstrap2 bootstrap2-lean: force
$(MAKE) CC="stage1/xgcc$(exeext) -Bstage1/" CFLAGS="$(WARN_CFLAGS) $(BOOT_CFLAGS)" LDFLAGS="$(BOOT_LDFLAGS)" libdir=$(libdir) STAGE_PREFIX=stage1/ LANGUAGES="$(LANGUAGES)"
$(MAKE) stage2
+ -if test $@ = bootstrap2-lean; then rm -rf stage1; else true; fi
$(MAKE) CC="stage2/xgcc$(exeext) -Bstage2/" CFLAGS="$(WARN_CFLAGS) $(BOOT_CFLAGS)" LDFLAGS="$(BOOT_LDFLAGS)" libdir=$(libdir) STAGE_PREFIX=stage2/ LANGUAGES="$(LANGUAGES)"
-bootstrap3: force
+bootstrap3 bootstrap3-lean: force
$(MAKE) CC="stage2/xgcc$(exeext) -Bstage2/" CFLAGS="$(WARN_CFLAGS) $(BOOT_CFLAGS)" LDFLAGS="$(BOOT_LDFLAGS)" libdir=$(libdir) STAGE_PREFIX=stage2/ LANGUAGES="$(LANGUAGES)"
-bootstrap4: force
+bootstrap4 bootstrap4-lean: force
$(MAKE) CC="stage3/xgcc$(exeext) -Bstage3/" CFLAGS="$(WARN_CFLAGS) $(BOOT_CFLAGS)" LDFLAGS="$(BOOT_LDFLAGS)" libdir=$(libdir) STAGE_PREFIX=stage3/ LANGUAGES="$(LANGUAGES)"
# Compare the object files in the current directory with those in the
.PHONY: risky-stage1 risky-stage2 risky-stage3 risky-stage4
force:
+
+# ---
+# The enquire rules are still useful for building new float-anything.h.
+# Special flags for compiling enquire.
+# We disable optimization to make floating point more reliable.
+ENQUIRE_CFLAGS = -DNO_MEM -DNO_LONG_DOUBLE_IO -O0
+ENQUIRE_LDFLAGS = $(LDFLAGS)
+
+# Enquire target (This is a variable so that a target can choose not to
+# build it.)
+ENQUIRE = enquire
+
+# Test to see whether <float.h> exists in the system header files,
+# and is not derived from GCC.
+FLOAT_H_TEST = \
+ [ -f $(SYSTEM_HEADER_DIR)/float.h ] && \
+ if grep 'ifndef _FLOAT_H___' $(SYSTEM_HEADER_DIR)/float.h >/dev/null; \
+ then false; \
+ else :; fi
+# We pretend to not having a usable <float.h>, hence disable the FLOAT_H_TEST
+# to ensure, we're emitting a full blown <float.h> ourselves.
+FLOAT_H_TEST = false
+
+# Used to compile enquire with standard cc, but have forgotten why.
+# Let's try with GCC.
+enquire: enquire.o $(GCC_PARTS)
+ $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(ENQUIRE_LDFLAGS) enquire.o -o $@
+enquire.o: $(srcdir)/enquire.c $(GCC_PASSES) stmp-int-hdrs
+ if $(FLOAT_H_TEST); then \
+ rm -f include/float.h; \
+ SYS_FLOAT_H_WRAP=1; \
+ else :; \
+ SYS_FLOAT_H_WRAP=0; \
+ fi; \
+ $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(ALL_CPPFLAGS) $(ENQUIRE_CFLAGS) \
+ -DSYS_FLOAT_H_WRAP=$$SYS_FLOAT_H_WRAP \
+ -I. -c $(srcdir)/enquire.c
+
+# Create float.h source for the native machine.
+# Make it empty if we can use the system float.h without changes.
+float.h-nat: enquire
+ -./enquire -f > tmp-float.h
+ grep '#define [^_]' tmp-float.h >/dev/null || true > tmp-float.h
+ mv tmp-float.h float.h-nat
+
+# Create a dummy float.h source for a cross-compiler.
+# ??? This isn't used anymore. Should we create config/float-unkn.h
+# and make that the default float_format in configure?
+float.h-cross:
+ echo "#ifndef __GCC_FLOAT_NOT_NEEDED" > t-float.h-cross
+ echo "#error float.h values not known for cross-compiler" >> t-float.h-cross
+ echo "#endif" >> t-float.h-cross
+ mv t-float.h-cross float.h-cross
+
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