gcc/libgcc/config/t-slibgcc-darwin
Daniel Jacobowitz fa9585134f Makefile.def (target_modules): Add libgcc.
./	* 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.

Co-Authored-By: Paolo Bonzini <bonzini@gnu.org>

From-SVN: r120429
2007-01-04 04:22:37 +00:00

123 lines
4.5 KiB
Plaintext

# 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 the versioned members of $(INSTALL_FILES).
SHLIB_LINK = $(CC) $(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)
SHLIB_MKMAP = $(gcc_srcdir)/mkmap-flat.awk
SHLIB_MKMAP_OPTS = -v leading_underscore=1
SHLIB_MAPFILES += $(gcc_srcdir)/libgcc-std.ver
INSTALL_FILES=libgcc_s.10.4.dylib libgcc_s.10.5.dylib libgcc_s.1.dylib
# For the toplevel multilib, build a fat archive including all the multilibs.
ifeq ($(MULTIBUILDTOP),)
SHLIB_INSTALL = \
$(mkinstalldirs) $(DESTDIR)$(slibdir); \
$(INSTALL_DATA) $(SHLIB_SONAME) \
$(DESTDIR)$(slibdir)/$(SHLIB_SONAME)
ifeq ($(enable_shared),yes)
all: $(INSTALL_FILES)
install: install-darwin-libgcc-stubs
endif
# 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 : $(SHLIB_VERPFX).%.ver libgcc_s$(SHLIB_EXT) all-multi
$(STRIP) -o $(@)_T \
-s $(SHLIB_VERPFX).$(*).ver -c -u \
./libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT).tmp
MLIBS=`$(CC) --print-multi-lib \
| sed -e 's/;.*$$//' -e '/^\.$$/d'` ; \
for mlib in $$MLIBS ; do \
$(STRIP) -o $(@)_T$${mlib} \
-s $(SHLIB_VERPFX).$(*).ver -c -u \
../$${mlib}/libgcc/$${mlib}/libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT).tmp || exit 1 ; \
done
$(LIPO) -output $@ -create $(@)_T*
rm $(@)_T*
libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT): all-multi libgcc_s$(SHLIB_EXT) \
libgcc_s.10.4.dylib libgcc_s.10.5.dylib
cp libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT).tmp \
./libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T_ || exit 1 ; \
MLIBS=`$(CC) --print-multi-lib \
| sed -e 's/;.*$$//' -e '/^\.$$/d'` ; \
for mlib in $$MLIBS ; do \
cp ../$${mlib}/libgcc/$${mlib}/libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT).tmp \
./libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T_$${mlib} || exit 1 ; \
done
$(LIPO) -output libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT) \
-create libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T*
rm libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T*
install-darwin-libgcc-stubs : $(INSTALL_FILES)
$(mkinstalldirs) $(DESTDIR)$(slibdir)
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
else
# Do not install shared libraries for any other multilibs. Unless
# we're putting them in the gcc directory during a build, for
# compatibility with the pre-top-level layout. In that case we
# need symlinks.
SHLIB_INSTALL =
ifeq ($(enable_shared),yes)
all: install-darwin-libgcc-links
endif
install-darwin-libgcc-links:
$(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
for file in $(INSTALL_FILES); do \
rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \
$(LN_S) ../$$file $(gcc_objdir)$(MULTISUBDIR)/; \
done
rm -f $(gcc_objdir)$(MULTISUBDIR)/libgcc_s_x86_64.1.dylib
$(LN_S) libgcc_s.1.dylib \
$(gcc_objdir)$(MULTISUBDIR)/libgcc_s_x86_64.1.dylib
rm -f $(gcc_objdir)$(MULTISUBDIR)/libgcc_s_ppc64.1.dylib
$(LN_S) libgcc_s.1.dylib \
$(gcc_objdir)$(MULTISUBDIR)/libgcc_s_ppc64.1.dylib
endif