-# isnanf.m4 serial 14
-dnl Copyright (C) 2007-2012 Free Software Foundation, Inc.
+# isnanf.m4 serial 15
+dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
[gl_cv_func_isnanf_works=yes],
[gl_cv_func_isnanf_works=no],
[case "$host_os" in
- irix* | solaris*) gl_cv_func_isnanf_works="guessing no";;
- *) gl_cv_func_isnanf_works="guessing yes";;
+ irix* | solaris*) gl_cv_func_isnanf_works="guessing no" ;;
+ mingw*) # Guess yes on mingw, no on MSVC.
+ AC_EGREP_CPP([Known], [
+#ifdef __MINGW32__
+ Known
+#endif
+ ],
+ [gl_cv_func_isnanf_works="guessing yes"],
+ [gl_cv_func_isnanf_works="guessing no"])
+ ;;
+ *) gl_cv_func_isnanf_works="guessing yes" ;;
esac
])
])