# Build a shared libgcc library for ELF with symbol versioning
# with the GNU linker.

SHLIB_EXT = .so
SHLIB_SOLINK = @shlib_base_name@.so
SHLIB_SOVERSION = 1
SHLIB_SONAME = @shlib_base_name@.so.$(SHLIB_SOVERSION)
SHLIB_MAP = @shlib_map_file@
SHLIB_OBJS = @shlib_objs@
SHLIB_DIR = @multilib_dir@
SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
SHLIB_LC = -lc

SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared -nodefaultlibs \
	-Wl,--soname=$(SHLIB_SONAME) \
	-Wl,--version-script=$(SHLIB_MAP) \
	-o $(SHLIB_DIR)/$(SHLIB_SONAME).tmp @multilib_flags@ \
	$(SHLIB_OBJS) $(SHLIB_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-symver.awk
SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver