Compilation with winegcc and linking with msvcrt

[Ruslan Kabatsayev]

On Fri, Aug 19, 2016 at 1:16 PM, Alex Henrie <alexhenrie24 at gmail.com> wrote:
> 2016-08-18 14:10 GMT-06:00 Ruslan Kabatsayev <b7.10110111 at gmail.com>:
>> Hello all,
>>
>> I'm trying to compile a simple application like follows with winegcc,
>> linking to msvcrt (which this test doesn't require, but it's a reduced
>> test case):
>>
>> #include <stdio.h>
>> int main()
>> {
>>     printf("Hello");
>>     fflush(stdout);
>>     printf(", world!\n");
>>     return 0;
>> }
>>
>> I compile it with this command:
>> winegcc test.c -o test -lmsvcrt
>>
>> Looks pretty harmless, but when I run it, it only prints "Hello" and
>> hangs on fflush. If I don't link it to msvcrt, then it doesn't hang.
>> Why is it so? Is it a bug in Wine?
>>
>> Regards,
>> Ruslan
>
> It's probably a conflict between msvcrt and glibc. The winegcc
> documentation states that the -mno-cygwin flag "is necessary for the
> vast majority of Win32 applications, as they typically depend on
> various features of MSVCRT".[1] You could also compile your program as
> an actual Windows EXE with `x86_64-w64-mingw32-cc test.c -o test.exe`.

So I was actually linking against both msvcrt and glibc, right? This
then explains everything, thanks. Replacing -lmsvcrt with -mno-cygwin
fixes the issue.