makefile.in

GUN开源阻止下的编译器GCC

	  -nostartfiles -nostdlib `$(GCC_FOR_TARGET) --print-libgcc-file-name`
libgcc1-test.o: libgcc1-test.c native xgcc
	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(ALL_CPPFLAGS) -c $(srcdir)/libgcc1-test.c

# Recompile all the language-independent object files.
# This is used only if the user explicitly asks for it.
compilations: ${OBJS}

# Create a list of the language-independent object files so the language
# subdirectories needn't mention their names explicitly.
stamp-objlist: Makefile $(OBJS) $(BC_OBJS)
	echo " $(OBJS) $(BC_OBJS)" | sed -e 's, \([a-z]\), ../\1,g' -e 's/\.o/$(objext)/g' >stamp-objlist

# We call this executable `xgcc' rather than `gcc'
# to avoid confusion if the current directory is in the path
# and CC is `gcc'.  It is renamed to `gcc' when it is installed.
xgcc: gcc.o version.o $(LIBDEPS) $(EXTRA_GCC_OBJS)
	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ gcc.o version.o $(EXTRA_GCC_OBJS) $(LIBS)

# Dump a specs file to make -B./ read these specs over installed ones.
specs: xgcc
	$(GCC_FOR_TARGET) -dumpspecs > tmp-specs
	mv tmp-specs specs

# We do want to create an executable named `xgcc', so we can use it to
# compile libgcc2.a.
# Also create gcc-cross, so that install-common will install properly.
gcc-cross: xgcc
	cp xgcc$(exeext) gcc-cross$(exeext)

cc1: $(P) $(C_OBJS) $(OBJS) $(BC_OBJS) $(LIBDEPS)
	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(C_OBJS) $(OBJS) $(BC_OBJS) $(LIBS)

cc1obj: $(P) $(OBJC_OBJS) $(OBJS) $(BC_OBJS) $(LIBDEPS)
	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(OBJC_OBJS) $(OBJS) $(BC_OBJS) $(LIBS)

# Copy float.h from its source.
gfloat.h: $(FLOAT_H)
	-rm -f gfloat.h
	cp $(FLOAT_H) gfloat.h

# Create float.h source for the native machine.
float.h-nat: enquire
	-./enquire -f > tmp-float.h
	mv tmp-float.h float.h-nat

# Create a dummy float.h source for a cross-compiler.
float.h-cross:
	echo "#error float.h values not known for cross-compiler" > 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
# Breaking this line caused a problem with one version of GNU make.
	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(ALL_CPPFLAGS) $(ENQUIRE_CFLAGS) -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 \
	  cat $(srcdir)/limitx.h $(srcdir)/glimits.h $(srcdir)/limity.h > tmp-xlimits.h; \
	else \
	  cat $(srcdir)/glimits.h > tmp-xlimits.h; \
	fi
	mv tmp-xlimits.h xlimits.h

# Build libgcc.a.
# This is done in two parts because some functions, in libgcc1.c,
# must be compiled with something other than GCC,
# while the rest, in libgcc2.c, must be compiled with xgcc.
# That means we can't do libgcc2.c until after xgcc, cc1, etc.

# Use this as value of LIBGCC1 to cause conversion to GNU library format.
# LIBCONVERT should put its output in libgcc1.conv.
libgcc1.conv: libgcc1.a
	$(LIBCONVERT) libgcc1.a libgcc1.conv

# Use this as value of LIBGCC1 to inhibit use of libgcc1.c entirely.
# Make an empty file instead.
libgcc1.null: $(GCC_PASSES)
	echo "__foo () {}" > dummy.c
	$(GCC_FOR_TARGET) $(GCC_CFLAGS) -c dummy.c
	$(OLDAR) $(OLDAR_FLAGS) libgcc1.null dummy$(objext)
	rm -f dummy$(objext) dummy.c

# This is $(LIBGCC1) for a cross-compiler.
# We have no automatic way of building libgcc1.a, 
# so it's up to the installer to find a way to do that.
# This rule deliberately does not depend on libgcc1.a
# so that it will fail if the installer hasn't provided it.
libgcc1.cross:
	mv libgcc1.a libgcc1.cross || (echo You must find a way to make libgcc1.a; false)

# Compile the library of arithmetic subroutines with the native compiler.
# Don't compile it with GCC!
# (That would cause most arithmetic functions to call themselves.)
libgcc1.a: libgcc1.c $(CONFIG_H) $(LIB1FUNCS_EXTRA) config.status
	-rm -f tmplibgcc1.a
# Actually build it in tmplibgcc1.a, then rename at end,
# so that libgcc1.a itself remains nonexistent if compilation is aborted.
# -e causes any failing command to make this rule fail.
# -e doesn't work in certain shells, so we test $$? as well.
# lynx has a broken ar, it always complains when the initial library is
# empty, thus this command works only if we don't do -e
# There is a trailing backslash (\) deleted from the following line.
#	set -e;
	for name in $(LIB1FUNCS); \
	do \
	  echo $${name}; \
	  rm -f $${name}$(objext); \
	  $(OLDCC) $(CCLIBFLAGS) $(INCLUDES) -c -DL$${name} $(srcdir)/libgcc1.c; \
	  if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
	  mv libgcc1$(objext) $${name}$(objext); \
	  $(OLDAR) $(OLDAR_FLAGS) tmplibgcc1.a $${name}$(objext); \
	  rm -f $${name}$(objext); \
	done
# Some shells crash when a loop has no items.
# So make sure there is always at least one--`..'.
# Then ignore it.
# We don't use -e here because there are if statements
# that should not make the command give up when the if condition is false.
# Instead, we test for failure after each command where it matters.
	for file in .. $(LIB1FUNCS_EXTRA); \
	do \
	  if [ x$${file} != x.. ]; then \
	    name=`echo $${file} | sed -e 's/[.][cS]$$//' -e 's/[.]asm$$//'`; \
	    echo $${name}; \
	    if [ $${name}.asm = $${file} ]; then \
	      cp $${file} $${name}.s || exit 1; file=$${name}.s; \
	    else true; fi; \
	    $(OLDCC) $(CCLIBFLAGS) $(INCLUDES) -c $${file}; \
	    if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
	    $(OLDAR) $(OLDAR_FLAGS) tmplibgcc1.a $${name}$(objext); \
	    if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
	    rm -f $${name}.s $${name}$(objext); \
	  else true; \
	  fi; \
	done
	-if $(RANLIB_TEST) ; then $(RANLIB) tmplibgcc1.a; else true; fi
	mv tmplibgcc1.a libgcc1.a

# Build libgcc1.a from assembler source.  LIB1ASMFUNCS is the list of
# functions.  LIB1ASMSRC is the name of the source file in the config
# subdirectory.
libgcc1-asm.a: libgcc2.ready config.status $(srcdir)/config/$(LIB1ASMSRC)
	-rm -f tmplibgcc1.a libgcc1.S
	cp $(srcdir)/config/$(LIB1ASMSRC) libgcc1.S
# Actually build it in tmplibgcc1.a, then rename at end,
# so that libgcc1-asm.a itself remains nonexistent if compilation is aborted.
# -e causes any failing command to make this rule fail.
# -e doesn't work in certain shells, so we test $$? as well.
# lynx has a broken ar, it always complains when the initial library is
# empty, thus this command works only if we don't do -e
# There is a trailing backslash (\) deleted from the following line.
#	set -e;
	for name in $(LIB1ASMFUNCS); \
	do \
	  echo $${name}; \
	  $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES) -c -DL$${name} libgcc1.S; \
	  if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
	  mv libgcc1$(objext) $${name}$(objext); \
	  $(AR) $(AR_FLAGS) tmplibgcc1.a $${name}$(objext); \
	  rm -f $${name}$(objext); \
	done
	-rm -f libgcc1.S
	mv tmplibgcc1.a libgcc1-asm.a

# Generate assembly versions of the functions required for libgcc1.
# You'll still need to massage the code by hand (possibly hacking
# underscores and local labels) but this will get you started.
libgcc1.S: libgcc1.c $(CONFIG_H) config.status
	-rm -f libgcc1.S
	touch libgcc1.S
	for name in $(LIB1FUNCS); \
	do \
	  echo $${name}; \
	  $(OLDCC) $(CCLIBFLAGS) $(INCLUDES) -S -DL$${name} $(srcdir)/libgcc1.c; \
	  if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
	  echo '#ifdef ' L$${name} >> libgcc1.S; \
	  cat  libgcc1.s >> libgcc1.S; \
	  echo '#endif /*' L$${name} '*/' >> libgcc1.S; \
	  echo "" >> libgcc1.S; \
	done

# 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
	-if [ -f libgcc2.ready ] ; then \
		true; \
	else \
		touch libgcc2.ready; \
	fi

libgcc2.a: libgcc2.c libgcc2.ready $(CONFIG_H) $(LIB2FUNCS_EXTRA) \
   machmode.h longlong.h gbl-ctors.h config.status
# Actually build it in tmplibgcc2.a, then rename at end,
# so that libgcc2.a itself remains nonexistent if compilation is aborted.
	-rm -f tmplibgcc2.a
# -e causes any failing command to make this rule fail.
# -e doesn't work in certain shells, so we test $$? as well.
# lynx has a broken ar, it always complains when the initial library is
# empty, thus this command works only if we don't do -e
# There is a trailing backslash (\) deleted from the following line.
#	set -e;
	for name in $(LIB2FUNCS); \
	do \
	  echo $${name}; \
	  $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES) -c -DL$${name} \
	      $(srcdir)/libgcc2.c -o $${name}$(objext); \
	  if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
	  $(AR) $(AR_FLAGS) tmplibgcc2.a $${name}$(objext); \
	  rm -f $${name}$(objext); \
	done
# Some shells crash when a loop has no items.
# So make sure there is always at least one--`..'.
# Then ignore it.
# We don't use -e here because there are if statements
# that should not make the command give up when the if condition is false.
# Instead, we test for failure after each command where it matters.
	for file in .. $(LIB2FUNCS_EXTRA); \
	do \
	  if [ x$${file} != x.. ]; then \
	    name=`echo $${file} | sed -e 's/[.][cS]$$//' -e 's/[.]asm$$//'`; \
	    oname=` echo $${name} | sed -e 's,.*/,,'`; \
	    echo $${name}; \
	    if [ $${name}.asm = $${file} ]; then \
	      cp $${file} $${name}.s || exit 1; file=$${name}.s; \
	    else true; fi; \
	    $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES) -c $${file}; \
	    if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
	    $(AR) $(AR_FLAGS) tmplibgcc2.a $${oname}$(objext); \
	    rm -f $${name}.s $${oname}$(objext); \
	  else true; \
	  fi; \
	done
	mv tmplibgcc2.a libgcc2.a
# These lines were deleted from above the mv command
# because ranlibing libgcc.a itself should suffice.
#	-if [ x${HPUX_GAS} = x ] ; then \
#	  if $(RANLIB_TEST) ; then $(RANLIB) tmplibgcc2.a; else true; fi; \
#	else true; fi

# Combine the various libraries into a single library, libgcc.a.
libgcc.a: $(LIBGCC1) $(LIBGCC2)
	-rm -rf tmplibgcc.a libgcc.a tmpcopy
	mkdir tmpcopy
	-if [ x$(LIBGCC1) != x ];			\
	then (cd tmpcopy; $(AR) x ../$(LIBGCC1));	\
	else true;					\
	fi
# Some versions of ar (specifically the one in RISC/os 5.x), create an
# unwritable table of contents file, and then print an error message when
# the second ar command tries to overwrite this file.  To avoid the error
# message from ar, we make sure all files are writable.
	-(cd tmpcopy; chmod +w * > /dev/null 2>&1)
	(cd tmpcopy; $(AR) x ../$(LIBGCC2))
	(cd tmpcopy; $(AR) $(AR_FLAGS) ../tmplibgcc.a *$(objext))
	rm -rf tmpcopy
	-if $(RANLIB_TEST) ; then $(RANLIB) tmplibgcc.a; else true; fi
# Actually build it in tmplibgcc.a, then rename at end,
# so that libgcc.a itself remains nonexistent if compilation is aborted.
	mv tmplibgcc.a libgcc.a

# Use the genmultilib shell script to generate the information the gcc
# driver program needs to select the library directory based on the
# switches.
multilib.h: $(srcdir)/genmultilib Makefile
	$(SHELL) $(srcdir)/genmultilib "$(MULTILIB_OPTIONS)" \
	  "$(MULTILIB_DIRNAMES)" "$(MULTILIB_MATCHES)" > multilib.h

# Build multiple copies of libgcc.a, one for each target switch.
stmp-multilib: $(LIBGCC1) libgcc2.c libgcc2.ready $(CONFIG_H) \
   $(LIB2FUNCS_EXTRA) machmode.h longlong.h gbl-ctors.h config.status
	for i in `$(GCC_FOR_TARGET) --print-multi-lib`; do \
	  dir=`echo $$i | sed -e 's/;.*$$//'`; \
	  flags=`echo $$i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; \
	  $(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \
	    AR="$(AR)" AR_FLAGS="$(AR_FLAGS)" CC="$(CC)" CFLAGS="$(CFLAGS)" \
	    RANLIB="$(RANLIB)" RANLIB_TEST="$(RANLIB_TEST)" \
	    HOST_PREFIX="$(HOST_PREFIX)" HOST_PREFIX_1="$(HOST_PREFIX_1)" \
	    LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS) $${flags}" \
	    LIBGCC1="$(LIBGCC1)" LIBGCC2="$(LIBGCC2)" \
	    dir="$${dir}" stmp-multilib-sub; \
	  if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
	done
	touch stmp-multilib

# Subroutine of stmp-multilib so make -n works.
stmp-multilib-sub:
	rm -f $(dir)/libgcc.a $(LIBGCC2)
	$(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \
	  AR="$(AR)" AR_FLAGS="$(AR_FLAGS)" CC="$(CC)" CFLAGS="$(CFLAGS)" \
	  HOST_PREFIX="$(HOST_PREFIX)" HOST_PREFIX_1="$(HOST_PREFIX_1)" \
	  LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)" $(LIBGCC2)
	if [ x$(LIBGCC1) != xlibgcc1-asm.a ]; \
	then true; \
	else rm -f $(LIBGCC1); \
	fi
	if [ x$(LIBGCC1) != xlibgcc1-asm.a ]; \
	then true; \
	else \
	  $(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \
	    AR="$(AR)" AR_FLAGS="$(AR_FLAGS)" CC="$(CC)" CFLAGS="$(CFLAGS)" \
	    HOST_PREFIX="$(HOST_PREFIX)" HOST_PREFIX_1="$(HOST_PREFIX_1)" \
	    LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)" $(LIBGCC1); \
	fi
	rm -rf tmplibgcc.a tmpcopy
	mkdir tmpcopy
	if [ x$(LIBGCC1) != x ]; \
	then (cd tmpcopy; $(AR) x ../$(LIBGCC1)); \
	else true; \
	fi
	(cd tmpcopy; $(AR) x ../$(LIBGCC2))
	(cd tmpcopy; $(AR) $(AR_FLAGS) ../tmplibgcc.a *$(objext))
	rm -rf libgcc2.a tmpcopy
	if $(RANLIB_TEST) ; then $(RANLIB) tmplibgcc.a; else true; fi
	if [ -d $(dir) ]; then true; else mkdir $(dir); fi
	mv tmplibgcc.a $(dir)/libgcc.a

objc-runtime: libobjc.a

# Build the Objective C runtime library.
libobjc.a: cc1obj stmp-int-hdrs libgcc2.ready $(USE_COLLECT2) $(EXTRA_PARTS)
	if [ -d objc ]; then true; else mkdir objc; fi
	thisdir1=`pwd`; \
	srcdir1=`cd $(srcdir); pwd`; \
	cd objc; \
	$(MAKE) -f $${srcdir1}/objc/Makefile libobjc.a \
	  srcdir=$${srcdir1} tooldir=$(tooldir) AR="$(AR)" AR_FLAGS="$(AR_FLAGS)" \