[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Problem with stdbool.h redefining true/false even in C++
From: |
John W. Eaton |
Subject: |
Re: Problem with stdbool.h redefining true/false even in C++ |
Date: |
Wed, 29 Aug 2012 14:27:04 -0400 |
On 29-Aug-2012, Bastien ROUCARIES wrote:
| n Wed, Aug 29, 2012 at 7:36 PM, John W. Eaton <address@hidden> wrote:
| > On 29-Aug-2012, Paul Eggert wrote:
| >
| > | On 08/29/2012 10:00 AM, John W. Eaton wrote:
| > | > Why define true, false, and bool to anything when using C++?
| > |
| > | Maybe it's for '#ifdef bool' but to be honest I'm just doing what
| > | GCC does. Perhaps you can ask the GCC developers why they do did
| > | it that way....
| > |
| > | Anyway, I'd be surprised if Octave cares whether true, false, and bool
| > | are macros. If it does, then it's broken on GNUish hosts anyway,
| > | right? And if it doesn't, the gnulib patch should work as-is.
| >
| > No, I don't think Octave currently has any checks like this.
| >
| > For C++ code, I think '#ifdef bool' will be false. So
| > '#define bool bool' switches the meaning. Should that happen if
| > stdbool.h has been included? I don't know.
|
| echo -e "#include <stdbool.h> \n #ifdef bool \n echo \n#endif" | g++ -E -
|
| # 1 "<stdin>"
| # 1 "<built-in>"
| # 1 "<command-line>"
| # 1 "<stdin>"
| # 1 "/usr/lib/gcc/x86_64-linux-gnu/4.6/include/stdbool.h" 1 3 4
| # 2 "<stdin>" 2
|
| echo
I understand that this is what currently happens. I'm just wondering
if that is really the right thing.
jwe
- Re: Problem with stdbool.h redefining true/false even in C++, (continued)
- Re: Problem with stdbool.h redefining true/false even in C++, Michael Goffioul, 2012/08/29
- Re: Problem with stdbool.h redefining true/false even in C++, John W. Eaton, 2012/08/29
- Re: Problem with stdbool.h redefining true/false even in C++, John W. Eaton, 2012/08/29
- Re: Problem with stdbool.h redefining true/false even in C++, Paul Eggert, 2012/08/29
- Re: Problem with stdbool.h redefining true/false even in C++, Michael Goffioul, 2012/08/29
- Re: Problem with stdbool.h redefining true/false even in C++, Paul Eggert, 2012/08/29
- Re: Problem with stdbool.h redefining true/false even in C++, Michael Goffioul, 2012/08/29
- Re: Problem with stdbool.h redefining true/false even in C++, Paul Eggert, 2012/08/29
- Re: Problem with stdbool.h redefining true/false even in C++, John W. Eaton, 2012/08/29
- Re: Problem with stdbool.h redefining true/false even in C++, Bastien ROUCARIES, 2012/08/29
- Re: Problem with stdbool.h redefining true/false even in C++,
John W. Eaton <=
- Re: Problem with stdbool.h redefining true/false even in C++, Daniel J Sebald, 2012/08/29
- Re: Problem with stdbool.h redefining true/false even in C++, Paul Eggert, 2012/08/29