gcc/config/t-slibgcc-darwin

   1 # Build a shared libgcc library with the darwin linker.
   2 SHLIB_MINOR = 1
   3 SHLIB_REVISION = 0
   4 SHLIB_VERSTRING = -compatibility_version $(SHLIB_MINOR) -current_version $(SHLIB_MINOR).$(SHLIB_REVISION)
   5 SHLIB_EXT = .dylib
   6 SHLIB_SOLINK = @shlib_base_name@.dylib
   7 SHLIB_SONAME = @shlib_so_name@.$(SHLIB_MINOR).$(SHLIB_REVISION).dylib
   8 SHLIB_NAME = @shlib_base_name@.$(SHLIB_MINOR).$(SHLIB_REVISION).dylib
   9 SHLIB_MAP = @shlib_map_file@
  10 SHLIB_OBJS = @shlib_objs@
  11 SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
  12
  13 SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -dynamiclib -nodefaultlibs \
  14         -Wl,-install_name,$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SONAME) \
  15         -Wl,-flat_namespace -o $(SHLIB_NAME).tmp \
  16         -Wl,-exported_symbols_list,$(SHLIB_MAP) \
  17         $(SHLIB_VERSTRING) \
  18         @multilib_flags@ $(SHLIB_OBJS) -lc && \
  19         rm -f $(SHLIB_SOLINK) && \
  20         if [ -f $(SHLIB_NAME) ]; then \
  21           mv -f $(SHLIB_NAME) $(SHLIB_NAME).backup; \
  22         else true; fi && \
  23         mv $(SHLIB_NAME).tmp $(SHLIB_NAME) && \
  24         $(LN_S) $(SHLIB_NAME) $(SHLIB_SOLINK)
  25 # $(slibdir) double quoted to protect it from expansion while building
  26 # libgcc.mk.  We want this delayed until actual install time.
  27 SHLIB_INSTALL = \
  28         $$(mkinstalldirs) $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL); \
  29         $(INSTALL_DATA) $(SHLIB_NAME) \
  30           $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SONAME); \
  31         rm -f $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK); \
  32         $(LN_S) $(SHLIB_SONAME) \
  33           $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK)
  34 SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk
  35 SHLIB_MKMAP_OPTS = -v leading_underscore=1
  36 SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver
  37
  38 # Must use a different directive for hidden visibility in assembly sources.
  39 ASM_HIDDEN_OP = .private_extern