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