# APPLE LOCAL file mainline # 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). # APPLE LOCAL begin mainline 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) # APPLE LOCAL end mainline # $(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