diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/config/t-slibgcc-darwin')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/config/t-slibgcc-darwin | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/config/t-slibgcc-darwin b/gcc-4.2.1-5666.3/gcc/config/t-slibgcc-darwin new file mode 100644 index 000000000..90491df9c --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/config/t-slibgcc-darwin @@ -0,0 +1,104 @@ +# 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 |