David Li created ARROW-5081:
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Summary: [C++] Consistently use PATH_SUFFIXES in CMake config
Key: ARROW-5081
URL: https://issues.apache.org/jira/browse/ARROW-5081
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: David Li
In trying to set up a build using system libraries installed to non-default
paths, CMake doesn't consistently search user-specified paths for libraries.
For instance, FindDoubleConversion.cmake will look only at
${DoubleConversion_ROOT}/libdoubleconversion.so for the shared library, making
it impossible to have a directory setup like doubleconversion/lib/*.so +
doubleconversion/include. Other Find*.cmake files set PATH_SUFFIXES to also
search the lib/ subdirectory; we should do this everywhere.
Additionally, it seems the various Find*.cmake files set PATH_SUFFIXES
inconsistently. Some hardcode their own list, others use
CMAKE_LIBRARY_ARCHITECTURE.
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