Commits
Hamish Nicholson authored and Sutou Kouhei committed 5c684c20748
ARROW-16572: [C++] Fix LZ4 build for external projects The use of CMAKE_SOURCE_DIR is not compatible with projects that build arrow from source as a CMake project dependency. Closes #13154 from Shamazo/master Authored-by: Hamish Nicholson <hmnicholson12@gmail.com> Signed-off-by: Sutou Kouhei <kou@clear-code.com>