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Diffstat (limited to '')
| -rw-r--r-- | externals/find-modules/Findlz4.cmake | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/externals/find-modules/Findlz4.cmake b/externals/find-modules/Findlz4.cmake new file mode 100644 index 000000000..6279854c0 --- /dev/null +++ b/externals/find-modules/Findlz4.cmake @@ -0,0 +1,54 @@ + +find_package(PkgConfig QUIET) +pkg_check_modules(PC_lz4 QUIET lz4) + +find_path(lz4_INCLUDE_DIR + NAMES lz4.h + PATHS ${PC_lz4_INCLUDE_DIRS} +) +find_library(lz4_LIBRARY + NAMES lz4 + PATHS ${PC_lz4_LIBRARY_DIRS} +) + +if(lz4_INCLUDE_DIR) + file(STRINGS "${lz4_INCLUDE_DIR}/lz4.h" _lz4_version_lines + REGEX "#define[ \t]+LZ4_VERSION_(MAJOR|MINOR|RELEASE)") + string(REGEX REPLACE ".*LZ4_VERSION_MAJOR *\([0-9]*\).*" "\\1" _lz4_version_major "${_lz4_version_lines}") + string(REGEX REPLACE ".*LZ4_VERSION_MINOR *\([0-9]*\).*" "\\1" _lz4_version_minor "${_lz4_version_lines}") + string(REGEX REPLACE ".*LZ4_VERSION_RELEASE *\([0-9]*\).*" "\\1" _lz4_version_release "${_lz4_version_lines}") + set(lz4_VERSION "${_lz4_version_major}.${_lz4_version_minor}.${_lz4_version_release}") + unset(_lz4_version_major) + unset(_lz4_version_minor) + unset(_lz4_version_release) + unset(_lz4_version_lines) +endif() + +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(lz4 + FOUND_VAR lz4_FOUND + REQUIRED_VARS + lz4_LIBRARY + lz4_INCLUDE_DIR + VERSION_VAR lz4_VERSION +) + +if(lz4_FOUND) + set(lz4_LIBRARIES ${lz4_LIBRARY}) + set(lz4_INCLUDE_DIRS ${lz4_INCLUDE_DIR}) + set(lz4_DEFINITIONS ${PC_lz4_CFLAGS_OTHER}) +endif() + +if(lz4_FOUND AND NOT TARGET lz4::lz4) + add_library(lz4::lz4 UNKNOWN IMPORTED) + set_target_properties(lz4::lz4 PROPERTIES + IMPORTED_LOCATION "${lz4_LIBRARY}" + INTERFACE_COMPILE_OPTIONS "${PC_lz4_CFLAGS_OTHER}" + INTERFACE_INCLUDE_DIRECTORIES "${lz4_INCLUDE_DIR}" + ) +endif() + +mark_as_advanced( + lz4_INCLUDE_DIR + lz4_LIBRARY +) |