[CMake] Error in generated nmake files on Windows

[Michael Hertling]

On 05/24/2010 03:42 PM, Michael Wild wrote:
> 
> On 24. May, 2010, at 15:24 , Bo Thorsen wrote:
> 
>> Hi all,
>>
>> I have as simple a CMakeLists.txt as possible:
>>
>> ADD_EXECUTABLE(comp_err comp_err.c)
>>
>> I did these two commands:
>>
>> $ set CMAKE_BUILD_TYPE=RelWithDebInfo
>> $ cmake -G "NMake Makefiles"
>>
>> I got this:
>>
>> Building C object extra/CMakeFiles/comp_err.dir/comp_err.c.obj
>> comp_err.c
>> Linking C executable comp_err.exe
>> LINK : fatal error LNK1146: no argument specified with option '/machine:'
>> LINK failed. with 2
>> NMAKE : fatal error U1077: '"C:\Program Files (x86)\CMake 2.8\bin\cmake.exe"' : return code '0xffffffff'
>> Stop.
>> NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\BIN\nmake.exe"' : return code '0x2'
>> Stop.
>> NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\BIN\nmake.exe"' : return code '0x2'
>> Stop.
>>
>> Is it something I'm doing wrong, or should I report a bug on this?
>>
>> I'm on a 64 bit Windows 7 with Visual C++ 2008 Express Edition.
>>
>> Bo.
> 
> Is it really just this single line or are you eliding the PROJECT command? That one is required for anything to work....

On *nix, that minimal CMakeLists.txt succeeds without an error or a
warning w.r.t. the missing PROJECT(), and the subsequent build - with
*nix Make, of course - succeeds, too, provided that comp_err.c contains
"main()". Is the PROJECT() really necessary for that to work on Windows?

Regards,

Michael