* linkage.m4 (GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_0): Define.
(GLIBCXX_CHECK_STDLIB_SUPPORT): Use it to test for lrand48
instead of drand48.
* acconfig.h (HAVE_DRAND48): Renamed to HAVE_LRAND48.
* crossconfig.m4 (*-freebsd*): Define HAVE_LRAND48 instead of
HAVE_DRAND48.
* config.h.in, configure: Regenerate.
* include/bits/stl_algo.h: Use _GLIBCXX_HAVE_LRAND48 to guard
lrand48 use.
From-SVN: r71990