Ensure libgcc_s unwinder is always used on 64-bit Solaris 10+/x86 (PR target/59788)
gcc:
PR target/59788
* config/sol2.h (LINK_LIBGCC_MAPFILE_SPEC): Define.
(LINK_SPEC): Use it for -shared, -shared-libgcc.
libgcc:
PR target/59788
* config/t-slibgcc-sld (libgcc-unwind.map): New target.
(install-libgcc-unwind-map-forbuild): New target.
(all): Depend on install-libgcc-unwind-map-forbuild.
(install-libgcc-unwind-map): New target.
(install): Depend on install-libgcc-unwind-map.
gcc/testsuite:
PR target/59788
* g++.dg/eh/unwind-direct.C: New test.
toplevel:
PR target/59788
* ltmain.sh (opt_duplicate_compiler_generated_deps): Enable on
*solaris2*.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@207454 138bc75d-0d04-0410-961f-82ee72b054a4