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39 lines
2.0 KiB
CMake
39 lines
2.0 KiB
CMake
# Building re2 which is thread-safe and re2_st which is not.
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# re2 changes its state during matching of regular expression, e.g. creates temporary DFA.
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# It uses RWLock to process the same regular expression object from different threads.
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# In order to avoid redundant locks in some cases, we use not thread-safe version of the library (re2_st).
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set (RE2_SOURCE_DIR ${ClickHouse_SOURCE_DIR}/contrib/re2/)
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get_target_property (RE2_SOURCES_ re2 SOURCES)
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foreach (src ${RE2_SOURCES_})
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list(APPEND RE2_ST_SOURCES ${RE2_SOURCE_DIR}/${src})
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endforeach ()
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add_library(re2_st ${RE2_ST_SOURCES})
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target_compile_definitions (re2_st PRIVATE NDEBUG NO_THREADS re2=re2_st)
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target_include_directories (re2_st PRIVATE .)
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target_include_directories (re2_st SYSTEM PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${RE2_SOURCE_DIR})
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file (MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/re2_st)
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foreach (FILENAME filtered_re2.h re2.h set.h stringpiece.h)
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add_custom_command (OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/re2_st/${FILENAME}"
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COMMAND ${CMAKE_COMMAND} -DSOURCE_FILENAME="${RE2_SOURCE_DIR}/re2/${FILENAME}"
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-DTARGET_FILENAME="${CMAKE_CURRENT_BINARY_DIR}/re2_st/${FILENAME}"
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-P "${CMAKE_CURRENT_SOURCE_DIR}/re2_transform.cmake"
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COMMENT "Creating ${FILENAME} for re2_st library.")
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add_custom_target (transform_${FILENAME} DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/re2_st/${FILENAME}")
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add_dependencies (re2_st transform_${FILENAME})
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endforeach ()
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file (MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/util)
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foreach (FILENAME mutex.h)
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add_custom_command (OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/util/${FILENAME}"
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COMMAND ${CMAKE_COMMAND} -DSOURCE_FILENAME="${RE2_SOURCE_DIR}/util/${FILENAME}"
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-DTARGET_FILENAME="${CMAKE_CURRENT_BINARY_DIR}/util/${FILENAME}"
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-P "${CMAKE_CURRENT_SOURCE_DIR}/re2_transform.cmake"
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COMMENT "Creating ${FILENAME} for re2_st library.")
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add_custom_target (transform_${FILENAME} DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/util/${FILENAME}")
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add_dependencies (re2_st transform_${FILENAME})
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endforeach ()
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