-# 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) $(LIBGCC2_CFLAGS) -dynamiclib -nodefaultlibs \
- -Wl,-install_name,$(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) && \
- if [ -f stmp-lipo ]; then \
- rm -f stmp-lipo; \
- else true; fi
-
-# $(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)$$(slibdir)/$(SHLIB_SONAME)
-
-SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk
-SHLIB_MKMAP_OPTS = -v leading_underscore=1
-SHLIB_MAPFILES += $(srcdir)/libgcc-std.ver
-
-# Must use a different directive for hidden visibility in assembly sources.
-ASM_HIDDEN_OP = .private_extern
-
-# In order to support -mmacosx-version-min, you need to have multiple
-# different libgcc_s libraries that actually get linked against, one for
-# each system version supported. They are 'stub' libraries that
-# contain no code, just a list of exported symbols.
-# The actual use of the libraries is controlled by REAL_LIBGCC_SPEC.
-#
-# This assumes each multilib corresponds to a different architecture.
-libgcc_s.%.dylib : $(SHLIB_VERPFX).%.ver libgcc.a
- # When building multilibbed target libraries, all the required
- # libraries are expected to exist in the multilib directory.
- MLIBS=`$(GCC_FOR_TARGET) --print-multi-lib \
- | sed -e 's/;.*$$//' -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 \
- ./$${mlib}/libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT).tmp || exit 1 ; \
- done
- $(LIPO_FOR_TARGET) -output $@ -create $(@)_T*
- rm $(@)_T*
-
-stmp-lipo: libgcc_s.10.4.dylib libgcc_s.10.5.dylib
- # When building multilibbed target libraries, all the required
- # libraries are expected to exist in the multilib directory.
- MLIBS=`$(GCC_FOR_TARGET) --print-multi-lib \
- | sed -e 's/;.*$$//' -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*
- $(STAMP) stmp-lipo
-
-# From the point-of-view of the Makefiles, libgcc is built by the 'strip'
-# and 'lipo' commands above.
-LIBGCC=stmp-lipo
-
-INSTALL_FILES=libgcc_s.10.4.dylib libgcc_s.10.5.dylib libgcc_s.1.dylib
-
-install-darwin-libgcc-stubs : $(INSTALL_FILES) installdirs install-multilib \
- stmp-lipo
- 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
-
-INSTALL_LIBGCC += install-darwin-libgcc-stubs
+# To keep DRIVER_DEFINES correct.
+SHLIB_LINK = dummy
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