diff options
Diffstat (limited to 'm4/stdbool.m4')
| -rw-r--r-- | m4/stdbool.m4 | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/m4/stdbool.m4 b/m4/stdbool.m4 index 006ed52de..a55615318 100644 --- a/m4/stdbool.m4 +++ b/m4/stdbool.m4 @@ -1,11 +1,11 @@ # Check for stdbool.h that conforms to C99. -dnl Copyright (C) 2002-2006, 2009-2014 Free Software Foundation, Inc. +dnl Copyright (C) 2002-2006, 2009-2016 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. -#serial 5 +#serial 6 # Prepare for substituting <stdbool.h> if it is not supported. @@ -43,21 +43,25 @@ AC_DEFUN([AC_CHECK_HEADER_STDBOOL], [AC_LANG_PROGRAM( [[ #include <stdbool.h> - #ifndef bool - "error: bool is not defined" - #endif - #ifndef false - "error: false is not defined" - #endif - #if false - "error: false is not 0" - #endif - #ifndef true - "error: true is not defined" - #endif - #if true != 1 - "error: true is not 1" + + #if __cplusplus < 201103 + #ifndef bool + "error: bool is not defined" + #endif + #ifndef false + "error: false is not defined" + #endif + #if false + "error: false is not 0" + #endif + #ifndef true + "error: true is not defined" + #endif + #if true != 1 + "error: true is not 1" + #endif #endif + #ifndef __bool_true_false_are_defined "error: __bool_true_false_are_defined is not defined" #endif |