1# Build a shared libgcc library for ELF with symbol versioning
2# with the GNU linker.
3
4SHLIB_EXT = .so
5SHLIB_SOLINK = @shlib_base_name@.so
6SHLIB_SOVERSION = 1
7SHLIB_SONAME = @shlib_base_name@.so.$(SHLIB_SOVERSION)
8SHLIB_MAP = @shlib_map_file@
9SHLIB_OBJS = @shlib_objs@
10SHLIB_DIR = @multilib_dir@
11SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
12SHLIB_LC = -lc
13
14SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared -nodefaultlibs \
15	-Wl,--soname=$(SHLIB_SONAME) \
16	-Wl,--version-script=$(SHLIB_MAP) \
17	-o $(SHLIB_DIR)/$(SHLIB_SONAME).tmp @multilib_flags@ \
18	$(SHLIB_OBJS) $(SHLIB_LC) && \
19	rm -f $(SHLIB_DIR)/$(SHLIB_SOLINK) && \
20	if [ -f $(SHLIB_DIR)/$(SHLIB_SONAME) ]; then \
21	  mv -f $(SHLIB_DIR)/$(SHLIB_SONAME) \
22		$(SHLIB_DIR)/$(SHLIB_SONAME).backup; \
23	else true; fi && \
24	mv $(SHLIB_DIR)/$(SHLIB_SONAME).tmp $(SHLIB_DIR)/$(SHLIB_SONAME) && \
25	$(LN_S) $(SHLIB_SONAME) $(SHLIB_DIR)/$(SHLIB_SOLINK)
26# $(slibdir) double quoted to protect it from expansion while building
27# libgcc.mk.  We want this delayed until actual install time.
28SHLIB_INSTALL = \
29	$$(mkinstalldirs) $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL); \
30	$(INSTALL_DATA) $(SHLIB_DIR)/$(SHLIB_SONAME) \
31	  $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SONAME); \
32	rm -f $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK); \
33	$(LN_S) $(SHLIB_SONAME) \
34	  $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK)
35SHLIB_MKMAP = $(srcdir)/mkmap-symver.awk
36SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver
37