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- # Finds liblz4.
- #
- # This module defines:
- # LZ4_FOUND
- # LZ4_INCLUDE_DIR
- # LZ4_LIBRARY
- #
- # From https://github.com/facebook/hhvm/blob/master/CMake/FindLZ4.cmake
- #
- find_path(LZ4_INCLUDE_DIR NAMES lz4.h)
- find_library(LZ4_LIBRARY NAMES lz4)
- # We require LZ4_compress_default() which was added in v1.7.0
- if (LZ4_LIBRARY)
- include(CheckCSourceRuns)
- set(CMAKE_REQUIRED_INCLUDES ${LZ4_INCLUDE_DIR})
- set(CMAKE_REQUIRED_LIBRARIES ${LZ4_LIBRARY})
- check_c_source_runs("
- #include <lz4.h>
- int main() {
- int good = (LZ4_VERSION_MAJOR > 1) ||
- ((LZ4_VERSION_MAJOR == 1) && (LZ4_VERSION_MINOR >= 7));
- return !good;
- }" LZ4_GOOD_VERSION)
- set(CMAKE_REQUIRED_INCLUDES)
- set(CMAKE_REQUIRED_LIBRARIES)
- endif()
- include(FindPackageHandleStandardArgs)
- FIND_PACKAGE_HANDLE_STANDARD_ARGS(
- LZ4 DEFAULT_MSG
- LZ4_LIBRARY LZ4_INCLUDE_DIR LZ4_GOOD_VERSION)
- if (NOT LZ4_FOUND)
- message(STATUS "Using third-party bundled LZ4")
- else()
- message(STATUS "Found LZ4: ${LZ4_LIBRARY}")
- endif (NOT LZ4_FOUND)
- mark_as_advanced(LZ4_INCLUDE_DIR LZ4_LIBRARY)
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