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Ulf Hermann authored
llvm-config can usually be found in PATH on systems which have standard paths at all. There is no need to specify LLVM_INSTALL_DIR then. Furthermore, llvm-config has an option --bindir which will tell us the directory where clang can be found (if installed). No need to apply strange heuristics based on LLVM_INSTALL_DIR. Finally, we can check within each .pro file for the conditions to be met using qmake's require() function. This way we don't need to fiddle with LLVM_INSTALL_DIR in unrelated places. Change-Id: I1a6ab092b06de40dfbfa4a9e7053451360fd24c8 Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
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