+2016-12-17 Bruno Haible <bruno@clisp.org>
+
+ hypotl: Avoid redefinition error on MSVC.
+ * m4/hypotl.m4 (gl_FUNC_HYPOTL): Set REPLACE_HYPOTL to 1 if the function
+ may be defined as an inline function.
+
2016-12-17 Bruno Haible <bruno@clisp.org>
hypotf: Avoid redefinition error on MSVC.
-# hypotl.m4 serial 5
+# hypotl.m4 serial 6
dnl Copyright (C) 2012-2016 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
])
else
HAVE_HYPOTL=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_hypotl, not hypotl.
+ AC_CHECK_DECLS([hypotl], [REPLACE_HYPOTL=1], , [[#include <math.h>]])
fi
if test $HAVE_HYPOTL = 0 || test $REPLACE_HYPOTL = 1; then
dnl Find libraries needed to link lib/hypotl.c.