[cmake-developers] Compiler dependencies with Unix Makefiles

Brad King

2018-08-27 17:41:06 UTC

new Compiler to CMake which compiles and links OpenCL files (file ending .cl)

Will that be done via `enable_language(OpenCL)`? How might it work
on VS and Xcode?

What is the reason that CMake uses its own mechanism with Unix Makefiles
instead of relying on the compiler?

We support compilers that don't have such options and have done so since
before many of today's compilers gained support.

Is it possible to configure CMake to use -MMD -MF with Unix Makefiles?

I've long wanted to see the Makefile generators converted to that
approach when using compilers that support it, but have never found
time to do it.

If not, is it possible to tell cmake_depends to understand .cl files?

In principle yes, but in the long run it would certainly be better
to use the depfile approach.

-Brad
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