+ round: Don't override undeclared system function on IRIX 6.5.
+ * m4/check-math-lib.m4 (gl_CHECK_MATH_LIB): Accept an optional third
+ argument.
+ * m4/round.m4 (gl_FUNC_ROUND): Search for round() in the libraries
+ also when it is not declared. Set HAVE_ROUND. For replacement code,
+ test HAVE_ROUND, not HAVE_DECL_ROUND.
+ * modules/round (configure.ac): For replacement code, test HAVE_ROUND,
+ not HAVE_DECL_ROUND.
+ (Depends-on): Update conditions.
+ * modules/round-ieee (Depends-on): Update conditions.
+ * doc/posix-functions/round.texi: Mention the IRIX problem.
+
+2012-03-07 Bruno Haible <bruno@clisp.org>
+