./

	* Makefile.def (target_modules): Add libgcc.
	(lang_env_dependencies): Remove default items.  Use no_c and no_gcc.
	* Makefile.tpl (clean-target-libgcc): Delete.
	(configure-target-[+module+]): Emit --disable-bootstrap dependencies
	on gcc even for bootstrapped modules.  Rewrite handling of
	lang_env_dependencies to loop over target_modules.
	* configure.in (target_libraries): Add target-libgcc.
	* Makefile.in, configure: Regenerated.
gcc/
	* config.gcc: Mention libgcc/config.host.
	* Makefile.in: Update comments mentioning libgcc.
	(LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
	(all.cross, start.encap, rest.encap, rest.cross): Update
	dependencies for libgcc move.
	(libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
	(clean-target, clean-target-libgcc): Delete.
	(srcdirify, GCC_EXTRA_PARTS): New macros.
	(libgcc-support, libgcc.mvars): New rules.
	(distclean): Remove mention of mklibgcc.
	(install): Don't reference INSTALL_LIBGCC.
	(install-common): Don't reference EXTRA_PARTS.
	(install-libgcc, install-multilib): Delete rules.
	* mklibgcc.in: Delete file.
	* doc/configfiles.texi: Don't mention mklibgcc.

	* config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
	* config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
	* config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
	* config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
	(mklibgcc, ldblspecs): Likewise.

	* config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
	(posixpre.def): Use $(T).
	(SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
	(SHLIB_SRC, SHLIB_INSTALL): Delete.
	(SHLIB_LINK): Make dummy.
	* config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.

	* config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.

	* config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
	* config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
	config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
	config/rs6000/t-newas, config/sparc/t-elf: Likewise.

	* configure.ac (all_outputs): Remove mklibgcc.
	* configure: Regenerated.
libgcc/
	* Makefile.in, config/i386/t-darwin, config/i386/t-darwin64,
	config/i386/t-nwld, config/rs6000/t-darwin, config/rs6000/t-ldbl128,
	config/i386/t-crtfm, config/alpha/t-crtfm, config/ia64/t-ia64,
	config/sparc/t-crtfm, config/t-slibgcc-darwin,
	config/rs6000/t-ppccomm, config.host, configure.ac, empty.mk,
	shared-object.mk, siditi-object.mk, static-object.mk: New files.
	* configure: Generated.


git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@120429 138bc75d-0d04-0410-961f-82ee72b054a4

16 files changed, 51 insertions, 194 deletions

diff --git a/gcc/config/alpha/t-crtfm b/gcc/config/alpha/t-crtfm
index 5ca8c3f747d..b4103834aca 100644
--- a/gcc/config/alpha/t-crtfm
+++ b/gcc/config/alpha/t-crtfm
@@ -1,5 +1,5 @@
 EXTRA_PARTS += crtfastmath.o
 
-crtfastmath.o: $(srcdir)/config/alpha/crtfastmath.c $(GCC_PASSES)
+$(T)crtfastmath.o: $(srcdir)/config/alpha/crtfastmath.c $(GCC_PASSES)
 	$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -frandom-seed=gcc-crtfastmath -c \
-		-o crtfastmath.o $(srcdir)/config/alpha/crtfastmath.c
+		-o $(T)crtfastmath.o $(srcdir)/config/alpha/crtfastmath.c
diff --git a/gcc/config/alpha/t-vms b/gcc/config/alpha/t-vms
index 516d3ec6ec1..d1a98e2a5f8 100644
--- a/gcc/config/alpha/t-vms
+++ b/gcc/config/alpha/t-vms
@@ -7,18 +7,18 @@ EXTRA_PARTS = vms-dwarf2.o vms-dwarf2eh.o $(VMS_EXTRA_PARTS)
 
 # This object must be linked with in order to make the executable debuggable.
 # vms-ld handles it automatically when passed -g.
-vms-dwarf2.o : $(srcdir)/config/alpha/vms-dwarf2.asm
+$(T)vms-dwarf2.o : $(srcdir)/config/alpha/vms-dwarf2.asm
 	gcc -c -x assembler $< -o $@
 
-vms-dwarf2eh.o : $(srcdir)/config/alpha/vms-dwarf2eh.asm
+$(T)vms-dwarf2eh.o : $(srcdir)/config/alpha/vms-dwarf2eh.asm
 	gcc -c -x assembler $< -o $@
 
 # Assemble startup files.
-vcrt0.o: $(CRT0_S) $(GCC_PASSES)
-	decc -c /names=as_is $(srcdir)/config/alpha/vms-crt0.c -o vcrt0.o
+$(T)vcrt0.o: $(CRT0_S) $(GCC_PASSES)
+	decc -c /names=as_is $(srcdir)/config/alpha/vms-crt0.c -o $(T)vcrt0.o
 
-pcrt0.o: $(CRT0_S) $(GCC_PASSES)
-	decc -c /names=as_is $(srcdir)/config/alpha/vms-psxcrt0.c -o pcrt0.o
+$(T)pcrt0.o: $(CRT0_S) $(GCC_PASSES)
+	decc -c /names=as_is $(srcdir)/config/alpha/vms-psxcrt0.c -o $(T)pcrt0.o
 
 MULTILIB_OPTIONS = mcpu=ev6
 MULTILIB_DIRNAMES = ev6
diff --git a/gcc/config/alpha/t-vms64 b/gcc/config/alpha/t-vms64
index e3fc3be6435..38503a96429 100644
--- a/gcc/config/alpha/t-vms64
+++ b/gcc/config/alpha/t-vms64
@@ -1,8 +1,8 @@
 # Assemble startup files.
-vcrt0.o: $(CRT0_S) $(GCC_PASSES)
+$(T)vcrt0.o: $(CRT0_S) $(GCC_PASSES)
 	decc -c /names=as_is /pointer_size=64  \
-	     $(srcdir)/config/alpha/vms-crt0-64.c -o vcrt0.o
+	     $(srcdir)/config/alpha/vms-crt0-64.c -o $(T)vcrt0.o
 
-pcrt0.o: $(CRT0_S) $(GCC_PASSES)
+$(T)pcrt0.o: $(CRT0_S) $(GCC_PASSES)
 	decc -c /names=as_is /pointer_size=64 \
-	     $(srcdir)/config/alpha/vms-psxcrt0-64.c -o pcrt0.o
+	     $(srcdir)/config/alpha/vms-psxcrt0-64.c -o $(T)pcrt0.o
diff --git a/gcc/config/fr30/t-fr30 b/gcc/config/fr30/t-fr30
index 5ee0808e0da..ede5cb79c3c 100644
--- a/gcc/config/fr30/t-fr30
+++ b/gcc/config/fr30/t-fr30
@@ -2,11 +2,11 @@ LIB1ASMSRC    = fr30/lib1funcs.asm
 LIB1ASMFUNCS  = _udivsi3 _divsi3 _umodsi3 _modsi3
 
 # Assemble startup files.
-crti.o: $(srcdir)/config/fr30/crti.asm $(GCC_PASSES)
-	$(GCC_FOR_TARGET) -c -o crti.o -x assembler $(srcdir)/config/fr30/crti.asm
+$(T)crti.o: $(srcdir)/config/fr30/crti.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) -c -o $(T)crti.o -x assembler $(srcdir)/config/fr30/crti.asm
 
-crtn.o: $(srcdir)/config/fr30/crtn.asm $(GCC_PASSES)
-	$(GCC_FOR_TARGET) -c -o crtn.o -x assembler $(srcdir)/config/fr30/crtn.asm
+$(T)crtn.o: $(srcdir)/config/fr30/crtn.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) -c -o $(T)crtn.o -x assembler $(srcdir)/config/fr30/crtn.asm
 
 # We want fine grained libraries, so use the new code to build the
 # floating point emulation libraries.
diff --git a/gcc/config/frv/t-linux b/gcc/config/frv/t-linux
index 298f59b0b4d..38cea1b58c4 100644
--- a/gcc/config/frv/t-linux
+++ b/gcc/config/frv/t-linux
@@ -5,6 +5,9 @@ MULTILIB_MATCHES=
 MULTILIB_EXCEPTIONS=
 MULTILIB_EXTRA_OPTS=
 
+# We don't use frvbegin.o or frvend.o.
+EXTRA_MULTILIB_PARTS =
+
 CRTSTUFF_T_CFLAGS = -fPIC
 TARGET_LIBGCC2_CFLAGS = -fPIC
 
diff --git a/gcc/config/i386/t-darwin b/gcc/config/i386/t-darwin
index e79f3355aaa..fb5bbe78c04 100644
--- a/gcc/config/i386/t-darwin
+++ b/gcc/config/i386/t-darwin
@@ -1,4 +1,3 @@
-SHLIB_VERPFX = $(srcdir)/config/i386/darwin-libgcc
 MULTILIB_OPTIONS = m64
 MULTILIB_DIRNAMES = x86_64
 LIB2_SIDITI_CONV_FUNCS=yes
diff --git a/gcc/config/i386/t-darwin64 b/gcc/config/i386/t-darwin64
index e7875864b18..5143e3819dc 100644
--- a/gcc/config/i386/t-darwin64
+++ b/gcc/config/i386/t-darwin64
@@ -1,3 +1,2 @@
-SHLIB_VERPFX = $(srcdir)/config/i386/darwin-libgcc
 LIB2_SIDITI_CONV_FUNCS=yes
 LIB2FUNCS_EXTRA = $(srcdir)/config/darwin-64.c
diff --git a/gcc/config/i386/t-nwld b/gcc/config/i386/t-nwld
index 6f6905541ec..db5b905b7e3 100644
--- a/gcc/config/i386/t-nwld
+++ b/gcc/config/i386/t-nwld
@@ -4,18 +4,18 @@ CRT0STUFF_T_CFLAGS = -mpreferred-stack-boundary=2 $(INCLUDES)
 CRT0_S = $(srcdir)/config/i386/netware-crt0.c
 MCRT0_S = $(srcdir)/config/i386/netware-crt0.c
 
-libgcc.def: $(srcdir)/config/i386/t-nwld
+$(T)libgcc.def: $(srcdir)/config/i386/t-nwld
 	echo "module libgcc_s" >$@
 
-libc.def: $(srcdir)/config/i386/t-nwld
+$(T)libc.def: $(srcdir)/config/i386/t-nwld
 	echo "module libc" >$@
 
-libcpre.def: $(srcdir)/config/i386/t-nwld
+$(T)libcpre.def: $(srcdir)/config/i386/t-nwld
 	echo "start _LibCPrelude" >$@
 	echo "exit _LibCPostlude" >>$@
 	echo "check _LibCCheckUnload" >>$@
 
-posixpre.def: $(srcdir)/config/i386/t-nwld
+$(T)posixpre.def: $(srcdir)/config/i386/t-nwld
 	echo "start POSIX_Start" >$@
 	echo "exit POSIX_Stop" >>$@
 	echo "check POSIX_CheckUnload" >>$@
@@ -26,36 +26,5 @@ nwld.o: $(srcdir)/config/i386/nwld.c $(RTL_H) $(TREE_H) $(CONFIG_H) $(TM_P_H)
 
 s-crt0: $(srcdir)/unwind-dw2-fde.h
 
-# Build a shared libgcc library for NetWare.
-
-SHLIB_EXT = .nlm
-SHLIB_NAME = @shlib_base_name@.nlm
-SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
-SHLIB_DEF = $(srcdir)/config/i386/netware-libgcc.def
-SHLIB_MAP = $(srcdir)/config/i386/netware-libgcc.exp
-SHLIB_SRC = $(srcdir)/config/i386/netware-libgcc.c
-
-SHLIB_LINK = set -e; \
-	cat $(SHLIB_DEF) >@shlib_base_name@.def; \
-	echo "name $(SHLIB_NAME)" >>@shlib_base_name@.def; \
-	echo "version $(version)" | sed "s!\.!,!g" >>@shlib_base_name@.def; \
-	touch libgcc/build; \
-	echo "build $$$$(expr $$$$(<libgcc/build) + 0)" >>@shlib_base_name@.def; \
-	echo "export @$(SHLIB_MAP)" >>@shlib_base_name@.def; \
-	if mpkxdc -n -p @shlib_base_name@.xdc; \
-		then echo "xdcdata @shlib_base_name@.xdc" >>@shlib_base_name@.def; \
-		else echo "WARNING: $(SHLIB_NAME) built without XDC data will not work well." 1>&2; \
-	fi; \
-	$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -o $(SHLIB_NAME) \
-		$(SHLIB_SRC) -posix -static-libgcc -lnetware \
-		-Wl,--Map,--map-info,full,--strip-all,--def-file,@shlib_base_name@.def; \
-	rm -f @shlib_base_name@.imp; $(LN_S) $(SHLIB_MAP) @shlib_base_name@.imp; \
-	rm -f libgcc.imp; $(LN_S) @shlib_base_name@.imp libgcc.imp; \
-	expr $$$$(<libgcc/build) + 1 >libgcc/build
-
-# $(slibdir) double quoted to protect it from expansion while building
-# libgcc.mk.  We want this delayed until actual install time.
-SHLIB_INSTALL = \
-	$$(SHELL) $(srcdir)/mkinstalldirs $$(slibdir)$(SHLIB_SLIBDIR_QUAL); \
-	$$(INSTALL_DATA) $(SHLIB_NAME) $$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_NAME); \
-	$$(INSTALL_DATA) @shlib_base_name@.imp $$(DESTDIR)$$(libsubdir)/
+# To keep DRIVER_DEFINES correct.
+SHLIB_LINK = dummy
diff --git a/gcc/config/i386/t-rtems-i386 b/gcc/config/i386/t-rtems-i386
index 9400be8f508..6486e09f222 100644
--- a/gcc/config/i386/t-rtems-i386
+++ b/gcc/config/i386/t-rtems-i386
@@ -5,12 +5,12 @@
 # version of these files.
 #
 
-crti.o: $(srcdir)/config/i386/sol2-ci.asm $(GCC_PASSES)
+$(T)crti.o: $(srcdir)/config/i386/sol2-ci.asm $(GCC_PASSES)
 	sed -e '/^!/d' <$(srcdir)/config/i386/sol2-ci.asm >crti.s
-	$(GCC_FOR_TARGET) -c -o crti.o crti.s
-crtn.o: $(srcdir)/config/i386/sol2-cn.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) -c -o $(T)crti.o crti.s
+$(T)crtn.o: $(srcdir)/config/i386/sol2-cn.asm $(GCC_PASSES)
 	sed -e '/^!/d' <$(srcdir)/config/i386/sol2-cn.asm >crtn.s
-	$(GCC_FOR_TARGET) -c -o crtn.o crtn.s
+	$(GCC_FOR_TARGET) -c -o $(T)crtn.o crtn.s
 
 # We want fine grained libraries, so use the new code to build the
 # floating point emulation libraries.
diff --git a/gcc/config/ia64/t-ia64 b/gcc/config/ia64/t-ia64
index 60535882bb7..bba12fa9684 100644
--- a/gcc/config/ia64/t-ia64
+++ b/gcc/config/ia64/t-ia64
@@ -24,21 +24,21 @@ SHLIB_MAPFILES += $(srcdir)/config/ia64/libgcc-ia64.ver
 T = disable
 
 # Assemble startup files.
-crtbegin.o: $(srcdir)/config/ia64/crtbegin.asm $(GCC_PASSES)
-	$(GCC_FOR_TARGET) -I. -c -o crtbegin.o -x assembler-with-cpp \
+$(T)crtbegin.o: $(srcdir)/config/ia64/crtbegin.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) -I. -c -o $(T)crtbegin.o -x assembler-with-cpp \
 		$(srcdir)/config/ia64/crtbegin.asm
-crtend.o: $(srcdir)/config/ia64/crtend.asm $(GCC_PASSES)
-	$(GCC_FOR_TARGET) -I. -c -o crtend.o -x assembler-with-cpp \
+$(T)crtend.o: $(srcdir)/config/ia64/crtend.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) -I. -c -o $(T)crtend.o -x assembler-with-cpp \
 		$(srcdir)/config/ia64/crtend.asm
-crtbeginS.o: $(srcdir)/config/ia64/crtbegin.asm $(GCC_PASSES)
-	$(GCC_FOR_TARGET) -I. -DSHARED -c -o crtbeginS.o \
+$(T)crtbeginS.o: $(srcdir)/config/ia64/crtbegin.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) -I. -DSHARED -c -o $(T)crtbeginS.o \
 		-x assembler-with-cpp \
 		$(srcdir)/config/ia64/crtbegin.asm
-crtendS.o: $(srcdir)/config/ia64/crtend.asm $(GCC_PASSES)
-	$(GCC_FOR_TARGET) -I. -DSHARED -c -o crtendS.o -x assembler-with-cpp \
+$(T)crtendS.o: $(srcdir)/config/ia64/crtend.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) -I. -DSHARED -c -o $(T)crtendS.o -x assembler-with-cpp \
 		$(srcdir)/config/ia64/crtend.asm
-crtfastmath.o: $(srcdir)/config/ia64/crtfastmath.c $(GCC_PASSES)
-	$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -c -o crtfastmath.o \
+$(T)crtfastmath.o: $(srcdir)/config/ia64/crtfastmath.c $(GCC_PASSES)
+	$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -c -o $(T)crtfastmath.o \
 		$(srcdir)/config/ia64/crtfastmath.c
 
 LIB2ADDEH = $(srcdir)/config/ia64/unwind-ia64.c $(srcdir)/unwind-sjlj.c \
diff --git a/gcc/config/rs6000/t-beos b/gcc/config/rs6000/t-beos
index dc3b89dba57..ad9260fe7af 100644
--- a/gcc/config/rs6000/t-beos
+++ b/gcc/config/rs6000/t-beos
@@ -25,6 +25,6 @@ LIMITS_H_TEST = [ -f /boot/develop/headers/posix/limits.h ]
 
 # Aix 3.2.x needs milli.exp for -mcpu=common
 EXTRA_PARTS = milli.exp
-milli.exp: $(srcdir)/config/rs6000/milli.exp
-	rm -f milli.exp
-	cp $(srcdir)/config/rs6000/milli.exp ./milli.exp
+$(T)milli.exp: $(srcdir)/config/rs6000/milli.exp
+	rm -f $(T)milli.exp
+	cp $(srcdir)/config/rs6000/milli.exp $(T)milli.exp
diff --git a/gcc/config/rs6000/t-darwin b/gcc/config/rs6000/t-darwin
index 7ad4b8f5182..b742f763c9a 100644
--- a/gcc/config/rs6000/t-darwin
+++ b/gcc/config/rs6000/t-darwin
@@ -23,8 +23,6 @@ TARGET_LIBGCC2_CFLAGS = -Wa,-force_cpusubtype_ALL -pipe -mmacosx-version-min=10.
 # Export the _xlq* symbols from darwin-ldouble.c.
 SHLIB_MAPFILES += $(srcdir)/config/rs6000/libgcc-ppc64.ver
 
-SHLIB_VERPFX = $(srcdir)/config/rs6000/darwin-libgcc
-
 LIB2ADDEH += $(srcdir)/config/rs6000/darwin-fallback.c
 
 darwin-fpsave.o:	$(srcdir)/config/rs6000/darwin-asm.h
diff --git a/gcc/config/rs6000/t-newas b/gcc/config/rs6000/t-newas
index d5d03a1c66f..eed66bf5f09 100644
--- a/gcc/config/rs6000/t-newas
+++ b/gcc/config/rs6000/t-newas
@@ -32,6 +32,6 @@ LIB2FUNCS_EXTRA = $(srcdir)/config/rs6000/darwin-ldouble.c
 
 # Aix 3.2.x needs milli.exp for -mcpu=common
 EXTRA_PARTS = milli.exp
-milli.exp: $(srcdir)/config/rs6000/milli.exp
-	rm -f milli.exp
-	cp $(srcdir)/config/rs6000/milli.exp ./milli.exp
+$(T)milli.exp: $(srcdir)/config/rs6000/milli.exp
+	rm -f $(T)milli.exp
+	cp $(srcdir)/config/rs6000/milli.exp $(T)milli.exp
diff --git a/gcc/config/rs6000/t-ppccomm b/gcc/config/rs6000/t-ppccomm
index 1ca509cd59a..c7529d77d01 100644
--- a/gcc/config/rs6000/t-ppccomm
+++ b/gcc/config/rs6000/t-ppccomm
@@ -11,18 +11,6 @@ eabi.S: $(srcdir)/config/rs6000/eabi.asm
 tramp.S: $(srcdir)/config/rs6000/tramp.asm
 	cat $(srcdir)/config/rs6000/tramp.asm > tramp.S
 
-ifneq (,$findstring gnu,$(target))
-TARGET_LIBGCC2_CFLAGS += -specs=ldblspecs
-
-SHLIB_MAPFILES += $(srcdir)/config/rs6000/libgcc-ppc-glibc.ver
-
-# Hack to use -mlong-double-128 only when not compiling nof libgcc
-mklibgcc: ldblspecs
-
-ldblspecs: specs
-	sed -e '/cc1_options/{ n; s/$$/ %{!msoft-float:-mlong-double-128}/; }' < specs > $@
-endif
-
 # Switch synonyms
 MULTILIB_MATCHES_ENDIAN	= mlittle=mlittle-endian mbig=mbig-endian
 MULTILIB_MATCHES_SYSV	= mcall-sysv=mcall-sysv-eabi mcall-sysv=mcall-sysv-noeabi mcall-sysv=mcall-linux mcall-sysv=mcall-netbsd
diff --git a/gcc/config/sparc/t-elf b/gcc/config/sparc/t-elf
index 6868736a178..50e674e5d20 100644
--- a/gcc/config/sparc/t-elf
+++ b/gcc/config/sparc/t-elf
@@ -23,7 +23,7 @@ LIBGCC = stmp-multilib
 INSTALL_LIBGCC = install-multilib
 
 # Assemble startup files.
-crti.o: $(srcdir)/config/sparc/sol2-ci.asm $(GCC_PASSES)
-	$(GCC_FOR_TARGET) -c -o crti.o -x assembler-with-cpp $(srcdir)/config/sparc/sol2-ci.asm
-crtn.o: $(srcdir)/config/sparc/sol2-cn.asm $(GCC_PASSES)
-	$(GCC_FOR_TARGET) -c -o crtn.o -x assembler-with-cpp $(srcdir)/config/sparc/sol2-cn.asm
+$(T)crti.o: $(srcdir)/config/sparc/sol2-ci.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/sparc/sol2-ci.asm
+$(T)crtn.o: $(srcdir)/config/sparc/sol2-cn.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/sparc/sol2-cn.asm
diff --git a/gcc/config/t-slibgcc-darwin b/gcc/config/t-slibgcc-darwin
index f41acae1b3f..b957b353296 100644
--- a/gcc/config/t-slibgcc-darwin
+++ b/gcc/config/t-slibgcc-darwin
@@ -1,101 +1,2 @@
-# Build a shared libgcc library with the darwin linker.
-SHLIB_SOVERSION = 1
-SHLIB_VERSTRING = -compatibility_version $(SHLIB_SOVERSION) -current_version $(SHLIB_SOVERSION).0
-SHLIB_EXT = .dylib
-SHLIB_SUFFIX = `if test @multilib_dir@ = ppc64 ; then echo _@multilib_dir@ ; fi`
-SHLIB_INSTALL_NAME = @shlib_base_name@$(SHLIB_SUFFIX).$(SHLIB_SOVERSION)$(SHLIB_EXT)
-SHLIB_SONAME = @shlib_base_name@.$(SHLIB_SOVERSION)$(SHLIB_EXT)
-SHLIB_SOLINK = @shlib_base_name@.so
-SHLIB_MAP = @shlib_map_file@
-SHLIB_OBJS = @shlib_objs@
-SHLIB_DIR = @multilib_dir@
-SHLIB_LC = -lc
-
-# Darwin only searches in /usr/lib for shared libraries, not in subdirectories,
-# so the libgcc variants have different names not different locations.
-# Note that this version is used for the loader, not the linker; the linker
-# uses the stub versions named by $(LIBGCC).
-SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -dynamiclib -nodefaultlibs \
-	-install_name $(slibdir)/$(SHLIB_INSTALL_NAME) \
-	-single_module -o $(SHLIB_DIR)/$(SHLIB_SONAME).tmp \
-	-Wl,-exported_symbols_list,$(SHLIB_MAP) \
-	$(SHLIB_VERSTRING) \
-	@multilib_flags@ $(SHLIB_OBJS) $(SHLIB_LC)
-
-# $(slibdir) double quoted to protect it from expansion while building
-# libgcc.mk.  We want this delayed until actual install time.
-SHLIB_INSTALL = \
-	$$(mkinstalldirs) $$(DESTDIR)$$(slibdir); \
-	$(INSTALL_DATA) $(SHLIB_SONAME) \
-	  $$(DESTDIR)$$(slibdir)/$(SHLIB_SONAME)
-
-SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk
-SHLIB_MKMAP_OPTS = -v leading_underscore=1
-SHLIB_MAPFILES += $(srcdir)/libgcc-std.ver
-
-# Must use a different directive for hidden visibility in assembly sources.
-ASM_HIDDEN_OP = .private_extern
-
-# In order to support -mmacosx-version-min, you need to have multiple
-# different libgcc_s libraries that actually get linked against, one for
-# each system version supported.  They are 'stub' libraries that
-# contain no code, just a list of exported symbols.
-# The actual use of the libraries is controlled by REAL_LIBGCC_SPEC.
-#
-# This assumes each multilib corresponds to a different architecture.
-libgcc_s.%.dylib : $(SHLIB_VERPFX).%.ver stmp-multilib
-	# When building multilibbed target libraries, all the required
-	# libraries are expected to exist in the multilib directory.
-	MLIBS=`$(GCC_FOR_TARGET) --print-multi-lib \
-		| sed -e 's/;.*$$//' -e '/^\.$$/d'` ; \
-	for mlib in $$MLIBS ; do \
-	  rm -f $${mlib}/$@ || exit 1 ; \
-	  $(LN_S) ../$@ $${mlib}/$@ || exit 1 ; \
-	done
-	MLIBS=`$(GCC_FOR_TARGET) --print-multi-lib \
-		| sed -e 's/;.*$$//' -e '/^\.$$/d'` ; \
-	for mlib in '' $$MLIBS ; do \
-	  $(STRIP_FOR_TARGET) -o $(@)_T$${mlib} \
-	    -s $(SHLIB_VERPFX).$(*).ver -c -u \
-	    ./$${mlib}/libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT).tmp || exit 1 ; \
-	done
-	$(LIPO_FOR_TARGET) -output $@ -create $(@)_T*
-	rm $(@)_T*
-
-libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT): stmp-multilib libgcc_s.10.4.dylib \
-	libgcc_s.10.5.dylib
-	# When building multilibbed target libraries, all the required
-	# libraries are expected to exist in the multilib directory.
-	MLIBS=`$(GCC_FOR_TARGET) --print-multi-lib \
-		| sed -e 's/;.*$$//' -e '/^\.$$/d'` ; \
-	for mlib in '' $$MLIBS ; do \
-	  cp ./$${mlib}/libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT).tmp \
-	    ./libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T_$${mlib} || exit 1 ; \
-	done
-	$(LIPO_FOR_TARGET) -output libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT) \
-	  -create libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T*
-	rm libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T*
-
-# From the point-of-view of the Makefiles, libgcc is built by the 'strip'
-# and 'lipo' commands above.
-LIBGCC=libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT) libgcc_s.10.4.dylib \
-	libgcc_s.10.5.dylib stmp-multilib
-
-INSTALL_FILES=libgcc_s.10.4.dylib libgcc_s.10.5.dylib libgcc_s.1.dylib
-
-install-darwin-libgcc-stubs : $(INSTALL_FILES) installdirs
-	for d in $(INSTALL_FILES) ; do \
-	  $(INSTALL_DATA) $$d $(DESTDIR)$(slibdir)/$$d || exit 1 ; \
-	done
-	if [ -f $(DESTDIR)$(slibdir)/libgcc_s_ppc64.1.dylib ]; then \
-	  rm -f $(DESTDIR)$(slibdir)/libgcc_s_ppc64.1.dylib; \
-	else true; fi
-	$(LN_S) libgcc_s.1.dylib \
-		$(DESTDIR)$(slibdir)/libgcc_s_ppc64.1.dylib
-	if [ -f $(DESTDIR)$(slibdir)/libgcc_s_x86_64.1.dylib ]; then \
-	  rm -f $(DESTDIR)$(slibdir)/libgcc_s_x86_64.1.dylib; \
-	else true; fi
-	$(LN_S) libgcc_s.1.dylib \
-		$(DESTDIR)$(slibdir)/libgcc_s_x86_64.1.dylib
-
-INSTALL_LIBGCC = install-darwin-libgcc-stubs install-multilib
+# To keep DRIVER_DEFINES correct.
+SHLIB_LINK = dummy