ClickHouse/cmake/find_brotli.cmake

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CMake
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option (USE_INTERNAL_BROTLI_LIBRARY "Set to FALSE to use system libbrotli library instead of bundled" ${NOT_UNBUNDLED})
if (NOT EXISTS "${ClickHouse_SOURCE_DIR}/contrib/brotli/c/include/brotli/decode.h")
if (USE_INTERNAL_BROTLI_LIBRARY)
message (WARNING "submodule contrib/brotli is missing. to fix try run: \n git submodule update --init --recursive")
set (USE_INTERNAL_BROTLI_LIBRARY 0)
endif ()
set (MISSING_INTERNAL_BROTLI_LIBRARY 1)
endif ()
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if(NOT USE_INTERNAL_BROTLI_LIBRARY)
find_library(BROTLI_LIBRARY_COMMON brotlicommon)
find_library(BROTLI_LIBRARY_DEC brotlidec)
find_library(BROTLI_LIBRARY_ENC brotlienc)
find_path(BROTLI_INCLUDE_DIR NAMES brotli/decode.h brotli/encode.h brotli/port.h brotli/types.h PATHS ${BROTLI_INCLUDE_PATHS})
if(BROTLI_LIBRARY_DEC AND BROTLI_LIBRARY_ENC AND BROTLI_LIBRARY_COMMON)
set(BROTLI_LIBRARY ${BROTLI_LIBRARY_DEC} ${BROTLI_LIBRARY_ENC} ${BROTLI_LIBRARY_COMMON})
endif()
endif()
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if (BROTLI_LIBRARY AND BROTLI_INCLUDE_DIR)
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set (USE_BROTLI 1)
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elseif (NOT MISSING_INTERNAL_BROTLI_LIBRARY)
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set (BROTLI_INCLUDE_DIR ${ClickHouse_SOURCE_DIR}/contrib/brotli/c/include)
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set (USE_INTERNAL_BROTLI_LIBRARY 1)
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set (BROTLI_LIBRARY brotli)
set (USE_BROTLI 1)
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endif ()
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message (STATUS "Using brotli=${USE_BROTLI}: ${BROTLI_INCLUDE_DIR} : ${BROTLI_LIBRARY}")