diff options
Diffstat (limited to 'm4/cosf.m4')
| -rw-r--r-- | m4/cosf.m4 | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/m4/cosf.m4 b/m4/cosf.m4 index 8315aa0110..757d9b7238 100644 --- a/m4/cosf.m4 +++ b/m4/cosf.m4 @@ -1,4 +1,4 @@ -# cosf.m4 serial 2 +# cosf.m4 serial 3 dnl Copyright (C) 2011-2016 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -22,6 +22,10 @@ AC_DEFUN([gl_FUNC_COSF], COSF_LIBM="$COS_LIBM" else HAVE_COSF=0 + dnl If the function is declared but does not appear to exist, it may be + dnl defined as an inline function. In order to avoid a conflict, we have + dnl to define rpl_cosf, not cosf. + AC_CHECK_DECLS([cosf], [REPLACE_COSF=1], , [[#include <math.h>]]) COSF_LIBM="$COS_LIBM" fi AC_SUBST([COSF_LIBM]) |