On 11/9/2017 12:33 AM, Joel Hockey wrote:
> I'm having errors in chromium doing a rollup to the latest code.
> https://logs.chromium.org/v/?s=chromium%2Fbb%2Ftryserver.chromium.win%2Fwin7_chromium_rel_ng%2F39058%2F%2B%2Frecipes%2Fsteps%2Fcompile__with_patch_%2F0%2Fstdout
> 
> The error I get is because we already have WIN32_LEAN_AND_MEAN defined. 
> The attached patch guards the definition.
> 
>  #if defined(_WIN32) && !defined(__CYGWIN__)

Testing for !defined(__CYGWIN__) here is meaningless.  _WIN32 isn't
defined in GCC with __CYGWIN__ defined and vice versa.

$ gcc -dM -E -x c /dev/null | grep WIN
#define __WINT_MAX__ 0xffffffffU
#define __WINT_MIN__ 0U
#define __SIZEOF_WINT_T__ 4
#define __CYGWIN__ 1
#define __WINT_TYPE__ unsigned int


> +#ifndef WIN32_LEAN_AND_MEAN
>  #define WIN32_LEAN_AND_MEAN
> +#endif
>  #include <windows.h>
>  #endif
> 
> An alternative is:
> 
>  #if defined(_WIN32) && !defined(__CYGWIN__) &&
> !defined(WIN32_LEAN_AND_MEAN)

This is probably better but remove the test for __CYGWIN__.

>  #define WIN32_LEAN_AND_MEAN
>  #include <windows.h>
>  #endif
> 

-- 
Earnie
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