| # 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) $(LIBGCC2_CFLAGS) -dynamiclib -nodefaultlibs \ |
| -install_name @shlib_slibdir@/$(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-leaf: 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 |