+2011-06-19 Bruno Haible <bruno@clisp.org>
+
+ ceilf-ieee: Work around bug on MacOS X 10.5.
+ * doc/posix-functions/ceilf.texi: Mention the MacOS X 10.5 problem.
+
+ floor*-ieee, ceil*-ieee, trunc*-ieee, round*-ieee: More robust checks.
+ * m4/floorf.m4 (gl_FUNC_FLOORF): In the test whether the function is
+ IEEE compliant, avoid compiler optimizations.
+ * m4/floor.m4 (gl_FUNC_FLOOR): Likewise.
+ * m4/ceilf.m4 (gl_FUNC_CEILF): Likewise.
+ * m4/ceil.m4 (gl_FUNC_CEIL): Likewise.
+ * m4/ceill.m4 (gl_FUNC_CEILL): Likewise.
+ * m4/truncf.m4 (gl_FUNC_TRUNCF): Likewise.
+ * m4/trunc.m4 (gl_FUNC_TRUNC): Likewise.
+ * m4/truncl.m4 (gl_FUNC_TRUNCL): Likewise.
+ * m4/roundf.m4 (gl_FUNC_ROUNDF): Likewise.
+ * m4/round.m4 (gl_FUNC_ROUND): Likewise.
+ * m4/roundl.m4 (gl_FUNC_ROUNDL): Likewise.
+