Handle the case that floorl and roundl are declared but do not exist.

[pspp] / ChangeLog

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+2007-11-11  Bruno Haible  <bruno@clisp.org>
+
+       * m4/roundf.m4 (gl_FUNC_ROUNDF): Handle the case that floorf and
+       roundf were declared but do not exist on functions.
+       * m4/roundl.m4 (gl_FUNC_ROUNDL): Handle the case that floorl and
+       roundl were declared but do not exist on functions.
+       * lib/round.c (HAVE_FLOOR_AND_CEIL): Use HAVE_FLOORF_AND_CEILF and
+       HAVE_FLOORL_AND_CEILL, respectively.
+       Needed for Sun C on Solaris 10.
+
 2007-11-11  Bruno Haible  <bruno@clisp.org>
 
        * m4/roundf.m4 (gl_FUNC_ROUNDF): Set REPLACE_ROUNDF instead of