190075Sobrien# Build a shared libgcc library for ELF with symbol versioning
290075Sobrien# with the GNU linker.
390075Sobrien
490075SobrienSHLIB_EXT = .so
596263SobrienSHLIB_SOLINK = @shlib_base_name@.so
6132718SkanSHLIB_SOVERSION = 1
7169689SkanSHLIB_SONAME = @shlib_base_name@.so.$(SHLIB_SOVERSION)
890075SobrienSHLIB_MAP = @shlib_map_file@
990075SobrienSHLIB_OBJS = @shlib_objs@
10169689SkanSHLIB_DIR = @multilib_dir@
1196263SobrienSHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
1296263SobrienSHLIB_LC = -lc
1390075Sobrien
1490075SobrienSHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared -nodefaultlibs \
1590075Sobrien	-Wl,--soname=$(SHLIB_SONAME) \
1690075Sobrien	-Wl,--version-script=$(SHLIB_MAP) \
17169689Skan	-o $(SHLIB_DIR)/$(SHLIB_SONAME).tmp @multilib_flags@ \
18169689Skan	$(SHLIB_OBJS) $(SHLIB_LC) && \
19169689Skan	rm -f $(SHLIB_DIR)/$(SHLIB_SOLINK) && \
20169689Skan	if [ -f $(SHLIB_DIR)/$(SHLIB_SONAME) ]; then \
21169689Skan	  mv -f $(SHLIB_DIR)/$(SHLIB_SONAME) \
22169689Skan		$(SHLIB_DIR)/$(SHLIB_SONAME).backup; \
23146895Skan	else true; fi && \
24169689Skan	mv $(SHLIB_DIR)/$(SHLIB_SONAME).tmp $(SHLIB_DIR)/$(SHLIB_SONAME) && \
25169689Skan	$(LN_S) $(SHLIB_SONAME) $(SHLIB_DIR)/$(SHLIB_SOLINK)
2690075Sobrien# $(slibdir) double quoted to protect it from expansion while building
2790075Sobrien# libgcc.mk.  We want this delayed until actual install time.
2896263SobrienSHLIB_INSTALL = \
29169689Skan	$$(mkinstalldirs) $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL); \
30169689Skan	$(INSTALL_DATA) $(SHLIB_DIR)/$(SHLIB_SONAME) \
31110611Skan	  $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SONAME); \
32110611Skan	rm -f $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK); \
3396263Sobrien	$(LN_S) $(SHLIB_SONAME) \
34110611Skan	  $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK)
3590075SobrienSHLIB_MKMAP = $(srcdir)/mkmap-symver.awk
3690075SobrienSHLIB_MAPFILES = $(srcdir)/libgcc-std.ver
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