Use the shared tests for the floor* and ceil* functions.

[gnulib.git] / m4 / round.m4

diff --git a/m4/round.m4 b/m4/round.m4
index 4f197fb..44c05ca 100644 (file)
--- a/m4/round.m4
+++ b/m4/round.m4
@@ -16,6 +16,8 @@ AC_DEFUN([gl_FUNC_ROUND],
   if test "$ac_cv_have_decl_round" != yes || test "$ROUND_LIBM" = missing; then
     REPLACE_ROUND=1
     AC_LIBOBJ([round])
-    gl_CHECK_MATH_LIB([ROUND_LIBM], [x = floor (x) + ceil (x);])
+    gl_FUNC_FLOOR_LIBS
+    gl_FUNC_CEIL_LIBS
+    ROUND_LIBM="$FLOOR_LIBM $CEIL_LIBM"
   fi
   AC_SUBST([ROUND_LIBM])])