t-slibgcc-darwin   [plain text]

# Build a shared libgcc library with the darwin linker.
SHLIB_MINOR = 1
SHLIB_REVISION = 0
SHLIB_VERSTRING = -compatibility_version $(SHLIB_MINOR) -current_version $(SHLIB_MINOR).$(SHLIB_REVISION)
SHLIB_EXT = .dylib
SHLIB_SOLINK = @shlib_base_name@.dylib
SHLIB_SONAME = @shlib_base_name@.$(SHLIB_MINOR).$(SHLIB_REVISION).dylib
SHLIB_MAP = @shlib_map_file@
SHLIB_OBJS = @shlib_objs@
SHLIB_DIR = @multilib_dir@
SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@

SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -dynamiclib -nodefaultlibs \
	-Wl,-install_name,$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SONAME) \
	-Wl,-flat_namespace -o $(SHLIB_DIR)/$(SHLIB_SONAME).tmp \
	-Wl,-exported_symbols_list,$(SHLIB_MAP) \
	$(SHLIB_VERSTRING) \
	@multilib_flags@ $(SHLIB_OBJS) -lc && \
	rm -f $(SHLIB_DIR)/$(SHLIB_SOLINK) && \
	if [ -f $(SHLIB_DIR)/$(SHLIB_SONAME) ]; then \
	  mv -f $(SHLIB_DIR)/$(SHLIB_SONAME) \
		$(SHLIB_DIR)/$(SHLIB_SONAME).backup; \
	else true; fi && \
	mv $(SHLIB_DIR)/$(SHLIB_SONAME).tmp $(SHLIB_DIR)/$(SHLIB_SONAME) && \
	$(LN_S) $(SHLIB_SONAME) $(SHLIB_DIR)/$(SHLIB_SOLINK)
# $(slibdir) double quoted to protect it from expansion while building
# libgcc.mk.  We want this delayed until actual install time.
SHLIB_INSTALL = \
	$$(mkinstalldirs) $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL); \
	$(INSTALL_DATA) $(SHLIB_DIR)/$(SHLIB_SONAME) \
	  $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SONAME); \
	rm -f $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK); \
	$(LN_S) $(SHLIB_SONAME) \
	  $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK)
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