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Keep absl API available in the shared library #454

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Keep absl API available in the shared library #454

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19 changes: 18 additions & 1 deletion clickhouse/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -109,8 +109,25 @@ SET_TARGET_PROPERTIES (clickhouse-cpp-lib
LINKER_LANGUAGE CXX
VERSION ${CLICKHOUSE_CPP_VERSION}
)

# Make sure the API of absl's UInt128 is also available when using ClickHouse-cpp
# as a shared library. This currently works only for Linux and Windows
IF (BUILD_SHARED_LIBS AND NOT WITH_SYSTEM_ABSEIL)
GET_TARGET_PROPERTY(absl_lib absl::int128 ALIASED_TARGET)
SET_PROPERTY (TARGET ${absl_lib} PROPERTY POSITION_INDEPENDENT_CODE ON)
TARGET_LINK_LIBRARIES (clickhouse-cpp-lib
$<$<PLATFORM_ID:Darwin>:-Wl,-force_load,$<TARGET_FILE:${absl_lib}>>
$<$<PLATFORM_ID:Linux>:-Wl,--whole-archive>
absl::int128
$<$<PLATFORM_ID:Linux>:-Wl,--no-whole-archive>
)
ELSE ()
TARGET_LINK_LIBRARIES (clickhouse-cpp-lib
absl::int128
)
ENDIF ()

TARGET_LINK_LIBRARIES (clickhouse-cpp-lib
absl::int128
cityhash::cityhash
lz4::lz4
zstd::zstd
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