-# math_h.m4 serial 16
+# math_h.m4 serial 17
dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
if test $gl_cv_header_math_huge_val_works = no; then
REPLACE_HUGE_VAL=1
fi
+
+ dnl Check for declarations of anything we want to poison if the
+ dnl corresponding gnulib module is not in use.
+ gl_WARN_ON_USE_PREPARE([[#include <math.h>
+ ]], [acosl asinl atanl ceilf ceill cosl expl floorf floorl frexpl
+ ldexpl logl round roundf roundl sinl sqrtl tanl trunc truncf truncl])
])
AC_DEFUN([gl_MATH_MODULE_INDICATOR],