Hi Leopold!
On Wed, Jan 15, 2014 at 8:25 PM, Leopold Freeman <> wrote:
> Hi there,
>
> I wrote a simple test program:
>
> /////////////////////////////////////////////////////////////////////////////////////////////
> #include <iostream>
> using namespace std;
> int main()
> {
> #if defined(WIN32)
> cout << "WIN32" << endl;
> #else
> cout << "no WIN32" << endl;
> #endif
> return 0;
> }
> /////////////////////////////////////////////////////////////////////////////////////////////
>
> If:
> $g++ -std=c++11 test.cpp -o t
> $./t
> no WIN32
>
> If:
> $g++ test.cpp -o t
> $./t
> WIN32
>
> ...
I see the same result as you.
But if I compile with "-std=gnu++11", I get "WIN32".
I believe that not specifying "-std" is equivalent to "-std=gnu++03", which
means the 03 standard plus "gnu extensions."
I get:
(no -std) WIN32
-std=c++03 no WIN32
-std=gnu++03 WIN32
-std=c++11 no WIN32
-std=gnu++11 WIN32
So it looks to me as if having WIN32 defined is considered to be a
"gnu extension." (Why, I don't know.) And that the WIN32 issue
does not seemed to be linked specifically with the c++11 standard.
> ...
>
> I use this build:
> http://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win32/Personal%20Builds/mingw-builds/4.8.2/threads-posix/sjlj/i686-4.8.2-release-posix-sjlj-rt_v3-rev2.7z/download
I used:
C:\>g++ --version
g++ (rubenvb-4.8-stdthread) 4.8.1 20130324 (prerelease)
> Regards,
>
> Leopold
Happy Hacking!
K. Frank
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