1 # Build a shared libgcc library with the darwin linker.
3 SHLIB_VERSTRING = -compatibility_version $(SHLIB_SOVERSION) -current_version $(SHLIB_SOVERSION).0
5 SHLIB_SUFFIX = `if test @multilib_dir@ != . ; then echo _@multilib_dir@ ; fi`
6 SHLIB_SOLINK = @shlib_base_name@$(SHLIB_SUFFIX)$(SHLIB_EXT)
7 SHLIB_SONAME = @shlib_base_name@$(SHLIB_SUFFIX).$(SHLIB_SOVERSION)$(SHLIB_EXT)
8 SHLIB_MAP = @shlib_map_file@
9 SHLIB_OBJS = @shlib_objs@
10 SHLIB_DIR = @multilib_dir@
12 # Darwin only searches in /usr/lib for shared libraries, not in subdirectories,
13 # so the libgcc variants have different names not different locations.
15 SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -dynamiclib -nodefaultlibs \
16 -Wl,-install_name,$(slibdir)/$(SHLIB_SONAME) \
17 -Wl,-flat_namespace -o $(SHLIB_SONAME).tmp \
18 -Wl,-exported_symbols_list,$(SHLIB_MAP) \
20 @multilib_flags@ $(SHLIB_OBJS) -lc && \
21 rm -f $(SHLIB_SOLINK) $(SHLIB_DIR)/$(SHLIB_SOLINK) && \
22 if [ -f $(SHLIB_SONAME) ]; then \
23 mv -f $(SHLIB_SONAME) $(SHLIB_SONAME).backup; \
25 mv $(SHLIB_SONAME).tmp $(SHLIB_SONAME) && \
26 $(LN_S) $(SHLIB_SONAME) $(SHLIB_SOLINK) && \
27 if [ $(SHLIB_DIR) != . ] ; then \
28 $(LN_S) `pwd`/$(SHLIB_SONAME) $(SHLIB_DIR)/$(SHLIB_SOLINK) ; \
30 # $(slibdir) double quoted to protect it from expansion while building
31 # libgcc.mk. We want this delayed until actual install time.
33 $$(mkinstalldirs) $$(DESTDIR)$$(slibdir); \
34 $(INSTALL_DATA) $(SHLIB_SONAME) \
35 $$(DESTDIR)$$(slibdir)/$(SHLIB_SONAME); \
36 rm -f $$(DESTDIR)$$(slibdir)/$(SHLIB_SOLINK); \
37 $(LN_S) $(SHLIB_SONAME) \
38 $$(DESTDIR)$$(slibdir)/$(SHLIB_SOLINK)
39 SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk
40 SHLIB_MKMAP_OPTS = -v leading_underscore=1
41 SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver
43 # Must use a different directive for hidden visibility in assembly sources.
44 ASM_HIDDEN_OP = .private_extern