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Clang-Tidy: error out when executable not found 

Stop with an error when the Clang-Tidy executable cannot be found.

Without this check, CMake will happily report "Found Clang-Tidy" but with
the fallback version (0, 0, 0), when `CLANG_TIDY_EXECUTABLE` points to a
non-existing executable.
This commit is contained in:
Sybren A. Stüvel 2020-11-06 14:34:04 +01:00
parent 2acf01ec62
commit 88926375a0
1 changed files with 4 additions and 1 deletions
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5
build_files/cmake/Modules/FindClangTidy.cmake
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@ -43,7 +43,10 @@ find_program(CLANG_TIDY_EXECUTABLE
${_clang_tidy_SEARCH_DIRS}
)
if(CLANG_TIDY_EXECUTABLE)
if(CLANG_TIDY_EXECUTABLE AND NOT EXISTS ${CLANG_TIDY_EXECUTABLE})
message(WARNING "Cached or directly specified Clang-Tidy executable does not exist.")
set(CLANG_TIDY_FOUND FALSE)
elseif(CLANG_TIDY_EXECUTABLE)
# Mark clang-tidy as found.
set(CLANG_TIDY_FOUND TRUE)