1# Build libunwind for ELF with the GNU linker.
2
3# Use unwind-dw2-fde-glibc
4LIBUNWIND = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde-glibc.c
5LIBUNWINDDEP = unwind.inc unwind-dw2-fde.h unwind-dw2-fde.c
6
7SHLIBUNWIND_SOVERSION = 7
8SHLIBUNWIND_SONAME = @shlib_base_name@.so.$(SHLIBUNWIND_SOVERSION)
9
10SHLIBUNWIND_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared \
11	-nodefaultlibs -Wl,-h,$(SHLIBUNWIND_SONAME) \
12	-Wl,-z,text -Wl,-z,defs -o $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME).tmp \
13	@multilib_flags@ $(SHLIB_OBJS) -lc && \
14	rm -f $(SHLIB_DIR)/$(SHLIB_SOLINK) && \
15	if [ -f $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME) ]; then \
16	  mv -f $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME) \
17		$(SHLIB_DIR)/$(SHLIBUNWIND_SONAME).backup; \
18	else true; fi && \
19	mv $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME).tmp \
20	   $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME) && \
21	$(LN_S) $(SHLIBUNWIND_SONAME) $(SHLIB_DIR)/$(SHLIB_SOLINK)
22
23# $(slibdir) double quoted to protect it from expansion while building
24# libgcc.mk.  We want this delayed until actual install time.
25SHLIBUNWIND_INSTALL = \
26	$$(SHELL) $$(srcdir)/mkinstalldirs $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL); \
27	$(INSTALL_DATA) $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME) \
28	  $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIBUNWIND_SONAME); \
29	rm -f $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK); \
30	$(LN_S) $(SHLIBUNWIND_SONAME) \
31	  $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK)
32