2009/4/3 Eric Noulard <eric.noul...@gmail.com>:
> 2009/4/3 Robert Blake <rbl...@jhu.edu>:
>> I'm converting a large mixed C++/C cmake application to C++. The project
>> has many ".c" files that I would like to compile with the C++ compiler
>> instead of the C compiler. Does anyone know the proper way to do this in
>> CMake?
>>
>> Things I've tried:
>> 1.) Changing CMAKE_C_COMPILER myself: Usually CMake doesn't let you change
>> CMAKE_C_COMPILER, but there are ways around that. This way feels like a
>> hack. The output while compiling still says "Compiling C". In addition,
>> forcing CMAKE_*_COMPILER to change makes it very difficult to run plane
>> cmake on Unix machines where curses is not installed.
>>
>> 2.) Tell CMake that ".c" files are in the CXX language: I've tried
>> PROJECT(Blah CXX)
>> list(APPEND CMAKE_CXX_SOURCE_FILE_EXTENSIONS c)
>>
>> When I run CMake on my project with these changes, I get errors like:
>>
>> CMake Error: Cannot determine link language for target "foobar"
>>
>> ...for all my targets that depend only on .c files.
>
> Did you try to force LANGUAGE property for those files:
>
> set_source_files_properties(file1.c file2.c
> PROPERTIES LANGUAGE C)
off course that was CXX and not C
set_source_files_properties(file1.c file2.c
PROPERTIES LANGUAGE CXX)
--
Erk
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