Re: [Mingw-users] gcc -time option silently ignored?

[Danny S. <dan...@cl...>]

> 
> Hi,
> 
> On Debian Linux, gcc version 4.1.3, using the -time option:
> --------------------------------
> $ gcc -time foo.c -o foo
> # cc1 0.02 0.00
> # as 0.01 0.00
> # collect2 0.03 0.02
> $
> --------------------------------
> 
> On MinGW, gcc version 3.4.5, the -time option is silently ignored:
> --------------------------------
> $ gcc -time foo.c -o foo
> $
> --------------------------------
> 
> The -time option is indeed included in MinGW gcc version 3.4.5:
> --------------------------------
> $ gcc --help
> ...
> -time                    Time the execution of each subprocess
> ...
> --------------------------------
> 
> Any special reason for this behaviour? Bug? Feature?

Timing subprocess execution (-time) is not supported on Windows. On Unix
systems, it is implemented by use of getrusage. See libiberty
pex-win32.c
and pex-unix.c.

Danny