Re: [Tinycc-devel] New tcc display info?

[Thomas Preud'homme]

Le samedi 9 février 2013 16:06:31, Christian Jullien a écrit :
> As with gcc or cl, could tcc -v show processor/system info ?
> For example, something similar to
> tcc –v
> tcc version 0.9.25 – WIN32 x86
> tcc version 0.9.25 – WIN32 x86_64
> tcc version 0.9.25 – Linux ARM hard float

Does it give the target architecture or the host architecture?

> 
> Rationale, on Windows and Linux we can have both 32/64 bit version
> 
> CL shows
> Microsoft (R) C/C++ Optimizing Compiler Version 17.00.50727.1 for x86
> On 32bits and
> Microsoft (R) C/C++ Optimizing Compiler Version 17.00.50727.1 for x64
> On 64bits
> 
> This way, you can have makefile (or ./configure) working differently
> depending on the platform.
> 
> Sounds reasonable?

Why not just use readelf or equivalent to detect the platform?

> 
> Christian

Thomas

> 
> P.S. here is how I use cl processor info with nmake:
> 
> !if [$(CC) 2>&1 | find "x86" > nul] == 0
> CPU             = i386
> !elseif [$(CC) 2>&1 | find "x64" > nul] == 0
> CPU             = AMD64
> !elseif [$(CC) 2>&1 | find "Itanium" > nul] == 0
> CPU             = IA64
> !elseif [$(CC) 2>&1 | find "ARM" > nul] == 0
> CPU             = ARM
> !else
> CPU             = i386
> !endif
> 
> 
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