[cmake-developers] Integrate tools with cmake

[Sam Spilsbury]

Hi there,

Depends on what you mean by "tools". If you mean running some sort of
static analysis over your code, there's a few ways to do it. I prefer
to use add_custom_command which generates a new makefile based on some
output stampfile. You can make the stampfile depend on the input file
that you're analysing and add the stampfile as a source-level
dependency to your built library or binary. This way, the tool will be
re-run every time you modify the file.

For instance:

    add_custom_command (OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${SOURCE_NAME}.stamp
                                            COMMAND my-tool ${SOURCE_NAME}
                                            COMMAND ${CMAKE_COMMAND}
-E touch ${CMAKE_CURRENT_BINARY_DIR}/${SOURCE_NAME}.stamp
                                            DEPENDS
${CMAKE_CURRENT_BINARY_DIR}/${SOURCE_NAME}
                                            COMMENT "Running my-tool
on ${SOURCE_NAME}")

[self-promotion]: I was doing this for quite a few tools, so I wrote a
module to quickly define functions that allow you to run various tools
over source files:
https://github.com/polysquare/tooling-cmake-util/blob/master/PolysquareToolingUtil.cmake

It has some dependencies which you can either install using conan or
just add them as git submodules and set CMAKE_MODULE_PATH
appropriately.

You can contact me on this email address if you need any help.

Thanks,

Sam.

On Fri, Aug 12, 2016 at 3:17 PM, Costean Adrian via cmake-developers
<cmake-developers at cmake.org> wrote:
> Hello,
> I am currently developing some projects which involves a build system and some tools. I would like to know what are the possibilities when it comes to integrate other tools in the cmake build system? How can that be done and what are the obstacles for achieving that?
> Thanks and regards,
> Adrian C.
> --
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-- 
Sam Spilsbury