cpp/cmake_modules/FindLz4.cmake

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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# specific language governing permissions and limitations
# under the License.

# - Find LZ4 (lz4.h, liblz4.a, liblz4.so, and liblz4.so.0)
# This module defines
#  LZ4_INCLUDE_DIR, directory containing headers
#  LZ4_SHARED_LIB, path to liblz4 shared library
#  LZ4_STATIC_LIB, path to liblz4 static library
#  LZ4_FOUND, whether lz4 has been found

if( NOT "${LZ4_HOME}" STREQUAL "")
    file( TO_CMAKE_PATH "${LZ4_HOME}" _native_path )
    list( APPEND _lz4_roots ${_native_path} )
elseif ( Lz4_HOME )
    list( APPEND _lz4_roots ${Lz4_HOME} )
endif()

if (MSVC AND NOT DEFINED LZ4_MSVC_STATIC_LIB_SUFFIX)
  set(LZ4_MSVC_STATIC_LIB_SUFFIX "_static")
endif()

set(LZ4_STATIC_LIB_SUFFIX
  "${LZ4_MSVC_STATIC_LIB_SUFFIX}${CMAKE_STATIC_LIBRARY_SUFFIX}")

set(LZ4_STATIC_LIB_NAME
  ${CMAKE_STATIC_LIBRARY_PREFIX}lz4${LZ4_STATIC_LIB_SUFFIX})

find_path(LZ4_INCLUDE_DIR NAMES lz4.h
  PATHS ${_lz4_roots}
  NO_DEFAULT_PATH
  PATH_SUFFIXES "include" )
find_library(LZ4_STATIC_LIB NAMES ${LZ4_STATIC_LIB_NAME} lib${LZ4_STATIC_LIB_NAME}
  PATHS ${_lz4_roots}
  NO_DEFAULT_PATH
  PATH_SUFFIXES "lib" )

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(LZ4 REQUIRED_VARS
  LZ4_STATIC_LIB LZ4_INCLUDE_DIR)