configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
* configure.ac (HAVE_LD_BUILDID): New check for ld --build-id
support.
(ENABLE_LD_BUILDID): New configuration option.
* gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
(LINK_BUILDID_SPEC): New macro.
(init_spec): If defined, prepend it between LINK_EH_SPEC and
link_spec.
* doc/install.texi: Document --enable-linker-build-id option.
* configure: Rebuild.
* config.in: Rebuild.
Co-Authored-By: Roland McGrath <roland@redhat.com>
From-SVN: r147029