Review Request 116581: Show warning through FindClang.cmake before failing

[Shubham Chaudhary]

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https://git.reviewboard.kde.org/r/116581/
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Review request for KDevelop.


Repository: kdev-clang


Description
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I had clang-3.3 installed but cmake still reported that Clang not found. If clang libraries are not installed just saying "Could NOT find Clang" is not enough. Also show a warning saying "Clang Libraries not found" helps the user install libclang package. Otherwise e.g I had to go through different cmake files one by one to find out that lib package was missing.


Diffs
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  cmake/FindClang.cmake d8a8595 

Diff: https://git.reviewboard.kde.org/r/116581/diff/


Testing
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Yes, with and without libclang package


Thanks,

Shubham Chaudhary

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