contrib/gcc/config/t-libunwind-elf

   1 # Build libunwind for ELF with the GNU linker.
   2
   3 # Use unwind-dw2-fde-glibc
   4 LIBUNWIND = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde-glibc.c
   5 LIBUNWINDDEP = unwind.inc unwind-dw2-fde.h unwind-dw2-fde.c
   6
   7 SHLIBUNWIND_SOVERSION = 7
   8 SHLIBUNWIND_SONAME = @shlib_base_name@.so.$(SHLIBUNWIND_SOVERSION)
   9
  10 SHLIBUNWIND_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.
  25 SHLIBUNWIND_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)