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Diffstat (limited to '')
| -rw-r--r-- | cmake/modules/FindLZ4.cmake | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/cmake/modules/FindLZ4.cmake b/cmake/modules/FindLZ4.cmake new file mode 100644 index 00000000..6c94f66c --- /dev/null +++ b/cmake/modules/FindLZ4.cmake @@ -0,0 +1,43 @@ +# Try to find liblz4 +# +# Once done, this will define +# +# LZ4_FOUND +# LZ4_INCLUDE_DIR +# LZ4_LIBRARY +# LZ4_VERSION_STRING +# LZ4_VERSION_MAJOR +# LZ4_VERSION_MINOR +# LZ4_VERSION_RELEASE + +find_path(LZ4_INCLUDE_DIR NAMES lz4.h) + +if(LZ4_INCLUDE_DIR AND EXISTS "${LZ4_INCLUDE_DIR}/lz4.h") + foreach(ver "MAJOR" "MINOR" "RELEASE") + file(STRINGS "${LZ4_INCLUDE_DIR}/lz4.h" LZ4_VER_${ver}_LINE + REGEX "^#define[ \t]+LZ4_VERSION_${ver}[ \t]+[0-9]+[ \t]+.*$") + string(REGEX REPLACE "^#define[ \t]+LZ4_VERSION_${ver}[ \t]+([0-9]+)[ \t]+.*$" + "\\1" LZ4_VERSION_${ver} "${LZ4_VER_${ver}_LINE}") + unset(${LZ4_VER_${ver}_LINE}) + endforeach() + set(LZ4_VERSION_STRING + "${LZ4_VERSION_MAJOR}.${LZ4_VERSION_MINOR}.${LZ4_VERSION_RELEASE}") +endif() + +find_library(LZ4_LIBRARY NAMES lz4) + +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(LZ4 + REQUIRED_VARS LZ4_LIBRARY LZ4_INCLUDE_DIR + VERSION_VAR LZ4_VERSION_STRING) + +mark_as_advanced(LZ4_INCLUDE_DIR LZ4_LIBRARY) + +if(LZ4_FOUND AND NOT (TARGET LZ4::LZ4)) + add_library(LZ4::LZ4 UNKNOWN IMPORTED) + set_target_properties(LZ4::LZ4 PROPERTIES + INTERFACE_INCLUDE_DIRECTORIES "${LZ4_INCLUDE_DIR}" + IMPORTED_LINK_INTERFACE_LANGUAGES "C" + IMPORTED_LOCATION "${LZ4_LIBRARY}" + VERSION "${LZ4_VERSION_STRING}") +endif() |