X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Froundl.m4;h=de9f63a0f0d3cdfda54321f8a3d86b8886e074ea;hb=01dfd1752e938c6fca54e791eb2adc1de29189f5;hp=1779a31bde87f5b753a61f785bb97ef7afb5ca03;hpb=21e68e5476fd8481aba587291b7985c2379b9f28;p=gnulib.git

diff --git a/m4/roundl.m4 b/m4/roundl.m4
index 1779a31bd..de9f63a0f 100644
--- a/m4/roundl.m4
+++ b/m4/roundl.m4
@@ -19,7 +19,15 @@ AC_DEFUN([gl_FUNC_ROUNDL],
     AC_CHECK_DECLS([ceill, floorl], , , [#include <math.h>])
     if test "$ac_cv_have_decl_floorl" = yes \
        && test "$ac_cv_have_decl_ceill" = yes; then
-      gl_CHECK_MATH_LIB([ROUNDL_LIBM], [x = floorl (x) + ceill (x);])
+      gl_FUNC_FLOORL_LIBS
+      gl_FUNC_CEILL_LIBS
+      if test "$FLOORL_LIBM" != '?' && test "$CEILL_LIBM" != '?'; then
+        AC_DEFINE([HAVE_FLOORL_AND_CEILL], 1,
+          [Define if the both the floorl() and ceill() functions exist.])
+        ROUNDL_LIBM="$FLOORL_LIBM $CEILL_LIBM"
+      else
+        ROUNDL_LIBM=
+      fi
     else
       ROUNDL_LIBM=
     fi