1# Set this as a minimum (unless overriden by arch t-files) since it's a 2# reasonable lowest common denominator that works for all our archs. 3HOST_LIBGCC2_CFLAGS += -mmacosx-version-min=10.4 4 5crt3.o: $(srcdir)/config/darwin-crt3.c 6 $(crt_compile) -mmacosx-version-min=10.4 -c $< 7 8crttms.o: $(srcdir)/config/darwin-crt-tm.c 9 $(crt_compile) -mmacosx-version-min=10.4 -DSTART -c $< 10 11crttme.o: $(srcdir)/config/darwin-crt-tm.c 12 $(crt_compile) -mmacosx-version-min=10.4 -DEND -c $< 13 14# Make emutls weak so that we can deal with -static-libgcc, override the 15# hidden visibility when this is present in libgcc_eh. 16emutls.o: HOST_LIBGCC2_CFLAGS += \ 17 -DEMUTLS_ATTR='__attribute__((__weak__,__visibility__("default")))' 18emutls_s.o: HOST_LIBGCC2_CFLAGS += \ 19 -DEMUTLS_ATTR='__attribute__((__weak__,__visibility__("default")))' 20 21# Make the emutls crt as a convenience lib so that it can be linked 22# optionally, use the shared version so that we can link with DSO. 23libemutls_w.a: emutls_s.o 24 $(AR_CREATE_FOR_TARGET) $@ $< 25 $(RANLIB_FOR_TARGET) $@ 26 27# Patch to __Unwind_Find_Enclosing_Function for Darwin10. 28d10-uwfef.o: $(srcdir)/config/darwin10-unwind-find-enc-func.c libgcc_tm.h 29 $(crt_compile) -mmacosx-version-min=10.6 -c $< 30 31# Using this crt as a library means that it will not be added to an exe 32# (or module) unless needed. 33libd10-uwfef.a: d10-uwfef.o 34 $(AR_CREATE_FOR_TARGET) $@ d10-uwfef.o 35 $(RANLIB_FOR_TARGET) $@ 36 37###### Unwinder ####### 38# Most Darwin versions get their unwinder from libSystem; older versions 39# have an installed /usr/lib/libgcc_s.1.dylib. 40# So do not add the unwinder to the shared libgcc. 41LIB2ADDEHSHARED = 42 43# We still need it in the _eh.a for earlier platform versions. 44# Use unwind-dw2-fde-darwin 45LIB2ADDEH = $(srcdir)/unwind-dw2.c \ 46 $(srcdir)/config/unwind-dw2-fde-darwin.c \ 47 $(srcdir)/unwind-c.c 48 49# Do not build a shared unwind lib by default. 50LIBEHSOBJS= 51 52# Symbols for all the sub-ports. 53SHLIB_MAPFILES = libgcc-std.ver $(srcdir)/config/libgcc-libsystem.ver 54