ClickHouse/cmake/find_capnp.cmake

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CMake
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option (ENABLE_CAPNP "Enable Cap'n Proto" ON)
if (ENABLE_CAPNP)
set (CAPNP_PATHS "/usr/local/opt/capnp/lib")
set (CAPNP_INCLUDE_PATHS "/usr/local/opt/capnp/include")
find_library (CAPNP capnp PATHS ${CAPNP_PATHS})
find_library (CAPNPC capnpc PATHS ${CAPNP_PATHS})
find_library (KJ kj PATHS ${CAPNP_PATHS})
set (CAPNP_LIBS ${CAPNP} ${CAPNPC} ${KJ})
find_path (CAPNP_INCLUDE_DIR NAMES capnp/schema-parser.h PATHS ${CAPNP_INCLUDE_PATHS})
if (CAPNP_INCLUDE_DIR AND CAPNP_LIBS)
include_directories (${CAPNP_INCLUDE_DIR})
set(USE_CAPNP 1)
endif ()
endif ()
if (USE_CAPNP)
message (STATUS "Using capnp=${USE_CAPNP}: ${CAPNP_INCLUDE_DIR} : ${CAPNP_LIBS}")
else ()
message (STATUS "Build without capnp (support for Cap'n Proto format will be disabled)")
endif ()