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- # Find LibLZ4
- #
- # Find LibLZ4 headers and library
- #
- # Result Variables
- #
- # LIBLZ4_FOUND - True if lz4 is found
- # LIBLZ4_INCLUDE_DIRS - lz4 headers directories
- # LIBLZ4_LIBRARIES - lz4 libraries
- # LIBLZ4_VERSION_MAJOR - The major version of lz4
- # LIBLZ4_VERSION_MINOR - The minor version of lz4
- # LIBLZ4_VERSION_RELEASE - The release version of lz4
- # LIBLZ4_VERSION_STRING - version number string (e.g. 1.8.3)
- #
- # Hints
- #
- # Set ``LZ4_ROOT_DIR`` to the directory of lz4.h and lz4 library
- set(_LIBLZ4_ROOT_HINTS
- ENV LZ4_ROOT_DIR)
- find_path( LIBLZ4_INCLUDE_DIR lz4.h
- HINTS ${_LIBLZ4_ROOT_HINTS})
- find_library( LIBLZ4_LIBRARY NAMES lz4 liblz4 liblz4_static
- HINTS ${_LIBLZ4_ROOT_HINTS})
- if(LIBLZ4_INCLUDE_DIR)
- file(STRINGS "${LIBLZ4_INCLUDE_DIR}/lz4.h" LIBLZ4_HEADER_CONTENT REGEX "#define LZ4_VERSION_[A-Z]+ +[0-9]+")
- string(REGEX REPLACE ".*#define LZ4_VERSION_MAJOR +([0-9]+).*" "\\1" LIBLZ4_VERSION_MAJOR "${LIBLZ4_HEADER_CONTENT}")
- string(REGEX REPLACE ".*#define LZ4_VERSION_MINOR +([0-9]+).*" "\\1" LIBLZ4_VERSION_MINOR "${LIBLZ4_HEADER_CONTENT}")
- string(REGEX REPLACE ".*#define LZ4_VERSION_RELEASE +([0-9]+).*" "\\1" LIBLZ4_VERSION_RELEASE "${LIBLZ4_HEADER_CONTENT}")
- set(LIBLZ4_VERSION_STRING "${LIBLZ4_VERSION_MAJOR}.${LIBLZ4_VERSION_MINOR}.${LIBLZ4_VERSION_RELEASE}")
- unset(LIBLZ4_HEADER_CONTENT)
- endif()
- include(FindPackageHandleStandardArgs)
- FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibLZ4 REQUIRED_VARS LIBLZ4_INCLUDE_DIR
- LIBLZ4_LIBRARY
- VERSION_VAR LIBLZ4_VERSION_STRING
- FAIL_MESSAGE "Could NOT find LZ4, try to set the paths to lz4.h and lz4 library in environment variable LZ4_ROOT_DIR")
- if (LIBLZ4_FOUND)
- set(LIBLZ4_LIBRARIES ${LIBLZ4_LIBRARY})
- set(LIBLZ4_INCLUDE_DIRS ${LIBLZ4_INCLUDE_DIR})
- endif ()
- mark_as_advanced( LIBLZ4_INCLUDE_DIR LIBLZ4_LIBRARY )
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