Review Request 118498: Make ECM language-independent again, but make the tests use C

[Alex Merry]

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https://git.reviewboard.kde.org/r/118498/
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Review request for Build System, Extra Cmake Modules and KDE Frameworks.


Repository: extra-cmake-modules


Description
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Provide an option to exclude the tests

While the tests in ECM are not "built" as such (at least, not until they
are run), disabling the tests might be desirable to avoid the compiler
checks and to make the whole build process architecture-independent.

Make ECM language-independent again, but make the tests use C

Setting the language for ECM's project() call to C had unanticipated
side-effects - notably that the installed version file required the
architecture to match the one used at build time.

Instead, we make the tests a sub-project, setting up C as the language
there (since most of the tests do use C, albeit slightly indirectly).


Diffs
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  CMakeLists.txt df0759f18f1ed091b43128c1c5844aead560fe5b 
  tests/CMakeLists.txt dfcc252a4e723d7376f87153adcd23d00dbc7846 

Diff: https://git.reviewboard.kde.org/r/118498/diff/


Testing
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Configures properly, tests pass. Visually inspected ECMConfigVersion.cmake file to see that it will return before the architecture check.


Thanks,

Alex Merry

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