X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Froundf.m4;h=650311e3cc333c1b055361176d9d9a8fc462d161;hb=13314b446d38305438b86c5baafe72395376e310;hp=5878beb735b08f19e38d582a1e824f2b31cd2ec1;hpb=d924a8c6cc8bb8e5903399494bb2e749ef244b5e;p=gnulib.git

diff --git a/m4/roundf.m4 b/m4/roundf.m4
index 5878beb73..650311e3c 100644
--- a/m4/roundf.m4
+++ b/m4/roundf.m4
@@ -19,10 +19,12 @@ AC_DEFUN([gl_FUNC_ROUNDF],
     AC_CHECK_DECLS([ceilf, floorf], , , [#include <math.h>])
     if test "$ac_cv_have_decl_floorf" = yes \
        && test "$ac_cv_have_decl_ceilf" = yes; then
-      gl_CHECK_MATH_LIB([ROUNDF_LIBM], [x = floorf (x) + ceilf (x);])
-      if test "$ROUNDF_LIBM" != missing; then
+      gl_FUNC_FLOORF_LIBS
+      gl_FUNC_CEILF_LIBS
+      if test "$FLOORF_LIBM" != '?' && test "$CEILF_LIBM" != '?'; then
         AC_DEFINE([HAVE_FLOORF_AND_CEILF], 1,
           [Define if the both the floorf() and ceilf() functions exist.])
+        ROUNDF_LIBM="$FLOORF_LIBM $CEILF_LIBM"
       else
         ROUNDF_LIBM=
       fi