libgcc/config/t-slibgcc-sld

   1 # Build a shared libgcc library for ELF with symbol versioning
   2 # with the Solaris linker.
   3
   4 SHLIB_LDFLAGS = -Wl,-h,$(SHLIB_SONAME) -Wl,-z,text -Wl,-z,defs \
   5         -Wl,-M,$(SHLIB_MAP)
   6
   7 ifeq ($(enable_shared),yes)
   8
   9 # Linker mapfile to enforce direct binding to libgcc_s unwinder
  10 # (PR target/59788).
  11 libgcc-unwind.map: libgcc-std.ver
  12         @(echo "{";                             \
  13         for f in `grep _Unwind_ $< | sort`; do  \
  14           echo "        $$f = EXTERN DIRECT;";  \
  15         done;                                   \
  16         echo "};" ) > $@
  17
  18 # Copy libgcc-unwind.map to the place where gcc will look for it at build-time.
  19 install-libgcc-unwind-map-forbuild: libgcc-unwind.map
  20         dest=$(gcc_objdir)/tmp$$$$-$<; \
  21         cp $< $$dest; \
  22         chmod a+r $$dest; \
  23         sh $(srcdir)/../move-if-change $$dest $(gcc_objdir)/$<
  24
  25 all: install-libgcc-unwind-map-forbuild
  26
  27 install-libgcc-unwind-map: libgcc-unwind.map
  28         $(INSTALL_DATA) $< $(DESTDIR)$(slibdir)
  29
  30 install: install-libgcc-unwind-map
  31
  32 endif