suyu-nix-test/externals/find-modules/Findlz4.cmake

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CMake
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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
)