* Makefile.in (LIB2FUNCS_ST): Remove _gcov.
(LIBGCOV): New variable.
(libgcc.mk): Add LIBGCOV.
(LIBGCC_DEPS): Add libgcov.c.
(libgcov.a): New target.
(clean): Remove libgcov.a.
(install-libgcc): Do libgcov too.
(stage1-start, stage2-start, stage3-start, stage4-start): Deal
with libgcov.a.
* libgcc2.c (L_gcov): Move into ...
* libgcov.c: ... here. New file.
* mklibgcc.in: Add libgcov rules.
* gcc.c (LINK_COMMAND_SPEC): Add -lgcov when profiling.
* doc/invoke.texi (profile-arcs, test-coverage): Update and
clarify.
* profile.c (index_counts_file): Remove duplicate check for open file.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@61905
138bc75d-0d04-0410-961f-
82ee72b054a4