[Cmake] Forcing the use of C++ compiler for .c files

[Matt Valerio]

On second thought, this one is a little more readable:

for i in `ls *.c`; do mv $i `echo $i | sed -e 's/\.c/\.cpp/'`; done


Matt Valerio wrote:

> I know it's a kludge, but you could just rename all of your .c files to 
> .cpp (assuming you are using a bash shell):
> 
> for i in `ls *.c`; do mv $i `echo $i | sed -e 's/\(.*\)\.c/\1\.cpp/'`; done
> 
> -Matt
> 
> 
> Dekeyser, Kris wrote:
> 
>> Hi,
>>
>> We currently have some legacy C++ code. Most of these files use extension
>> .c, but they really contain C++ code. CMake however automatically selects
>> the CMAKE_C_COMPILER to compile the files, which causes an error. Forcing
>> CMake to use the C++ compiler doesn't work either, because CMake detects
>> that it is not a C Compiler, but C++ compiler.
>>
>> The only solution I found is to hack the
>> ${CMAKE_ROOT}/Modules/CMakeTestCCompiler.cmake and disable the C++ check.
>>
>> However, we do need to compile another project with the C Compiler and 
>> not
>> with the C++ compiler, so we end up to hack/unhack the test file all the
>> time.
>>
>> Is there another - better - way to force the usuage of the C++ 
>> compiler in
>> CMake for certain files? If not, could it be added?
>>
>> Best regards,
>> Kris
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