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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
if(zstdAlt_FOUND)
return()
endif()
set(find_package_args)
if(zstdAlt_FIND_VERSION)
list(APPEND find_package_args ${zstdAlt_FIND_VERSION})
endif()
if(zstdAlt_FIND_QUIETLY)
list(APPEND find_package_args QUIET)
endif()
find_package(zstd ${find_package_args})
if(zstd_FOUND)
set(zstdAlt_FOUND TRUE)
return()
endif()
if(MSVC AND NOT DEFINED ZSTD_MSVC_LIB_PREFIX)
set(ZSTD_MSVC_LIB_PREFIX "lib")
endif()
set(ZSTD_LIB_NAME_BASE "${ZSTD_MSVC_LIB_PREFIX}zstd")
if(ARROW_ZSTD_USE_SHARED)
set(ZSTD_LIB_NAMES)
if(CMAKE_IMPORT_LIBRARY_SUFFIX)
list(APPEND
ZSTD_LIB_NAMES
"${CMAKE_IMPORT_LIBRARY_PREFIX}${ZSTD_LIB_NAME_BASE}${CMAKE_IMPORT_LIBRARY_SUFFIX}"
)
endif()
list(APPEND ZSTD_LIB_NAMES
"${CMAKE_SHARED_LIBRARY_PREFIX}${ZSTD_LIB_NAME_BASE}${CMAKE_SHARED_LIBRARY_SUFFIX}"
)
else()
if(MSVC AND NOT DEFINED ZSTD_MSVC_STATIC_LIB_SUFFIX)
set(ZSTD_MSVC_STATIC_LIB_SUFFIX "_static")
endif()
set(ZSTD_STATIC_LIB_SUFFIX
"${ZSTD_MSVC_STATIC_LIB_SUFFIX}${CMAKE_STATIC_LIBRARY_SUFFIX}")
set(ZSTD_LIB_NAMES
"${CMAKE_STATIC_LIBRARY_PREFIX}${ZSTD_LIB_NAME_BASE}${ZSTD_STATIC_LIB_SUFFIX}")
endif()
# First, find via if specified ZSTD_ROOT
if(ZSTD_ROOT)
message(STATUS "Using ZSTD_ROOT: ${ZSTD_ROOT}")
find_library(ZSTD_LIB
NAMES ${ZSTD_LIB_NAMES}
PATHS ${ZSTD_ROOT}
PATH_SUFFIXES ${ARROW_LIBRARY_PATH_SUFFIXES}
NO_DEFAULT_PATH)
find_path(ZSTD_INCLUDE_DIR
NAMES zstd.h
PATHS ${ZSTD_ROOT}
NO_DEFAULT_PATH
PATH_SUFFIXES ${ARROW_INCLUDE_PATH_SUFFIXES})
else()
# Second, find via pkg_check_modules
find_package(PkgConfig QUIET)
pkg_check_modules(ZSTD_PC libzstd)
if(ZSTD_PC_FOUND)
set(zstdAlt_VERSION "${ZSTD_PC_VERSION}")
set(ZSTD_INCLUDE_DIR "${ZSTD_PC_INCLUDEDIR}")
list(APPEND ZSTD_PC_LIBRARY_DIRS "${ZSTD_PC_LIBDIR}")
find_library(ZSTD_LIB
NAMES ${ZSTD_LIB_NAMES}
PATHS ${ZSTD_PC_LIBRARY_DIRS}
NO_DEFAULT_PATH
PATH_SUFFIXES ${ARROW_LIBRARY_PATH_SUFFIXES})
else()
# Third, check all other CMake paths
find_library(ZSTD_LIB
NAMES ${ZSTD_LIB_NAMES}
PATH_SUFFIXES ${ARROW_LIBRARY_PATH_SUFFIXES})
find_path(ZSTD_INCLUDE_DIR
NAMES zstd.h
PATH_SUFFIXES ${ARROW_INCLUDE_PATH_SUFFIXES})
endif()
endif()
if("${zstdAlt_VERSION}" STREQUAL "" AND ZSTD_INCLUDE_DIR)
file(READ "${ZSTD_INCLUDE_DIR}/zstd.h" ZSTD_H_CONTENT)
string(REGEX MATCH "#define ZSTD_VERSION_MAJOR +([0-9]+)" ZSTD_VERSION_MAJOR_DEFINITION
"${ZSTD_H_CONTENT}")
string(REGEX REPLACE "^.+ ([0-9]+)$" "\\1" ZSTD_VERSION_MAJOR
"${ZSTD_VERSION_MAJOR_DEFINITION}")
string(REGEX MATCH "#define ZSTD_VERSION_MINOR +([0-9]+)" ZSTD_VERSION_MINOR_DEFINITION
"${ZSTD_H_CONTENT}")
string(REGEX REPLACE "^.+ ([0-9]+)$" "\\1" ZSTD_VERSION_MINOR
"${ZSTD_VERSION_MINOR_DEFINITION}")
string(REGEX MATCH "#define ZSTD_VERSION_RELEASE +([0-9]+)"
ZSTD_VERSION_RELEASE_DEFINITION "${ZSTD_H_CONTENT}")
string(REGEX REPLACE "^.+ ([0-9]+)$" "\\1" ZSTD_VERSION_RELEASE
"${ZSTD_VERSION_RELEASE_DEFINITION}")
if("${ZSTD_VERSION_MAJOR}" STREQUAL ""
OR "${ZSTD_VERSION_MINOR}" STREQUAL ""
OR "${ZSTD_VERSION_RELEASE}" STREQUAL "")
set(zstdAlt_VERSION "0.0.0")
else()
set(zstdAlt_VERSION
"${ZSTD_VERSION_MAJOR}.${ZSTD_VERSION_MINOR}.${ZSTD_VERSION_RELEASE}")
endif()
endif()
find_package_handle_standard_args(
zstdAlt
REQUIRED_VARS ZSTD_LIB ZSTD_INCLUDE_DIR
VERSION_VAR zstdAlt_VERSION)
if(zstdAlt_FOUND)
if(ARROW_ZSTD_USE_SHARED)
set(zstd_TARGET zstd::libzstd_shared)
add_library(${zstd_TARGET} SHARED IMPORTED)
else()
set(zstd_TARGET zstd::libzstd_static)
add_library(${zstd_TARGET} STATIC IMPORTED)
endif()
set_target_properties(${zstd_TARGET}
PROPERTIES IMPORTED_LOCATION "${ZSTD_LIB}"
INTERFACE_INCLUDE_DIRECTORIES "${ZSTD_INCLUDE_DIR}")
message(STATUS "Zstandard library: ${ZSTD_LIB}")
message(STATUS "Zstandard include directory: ${ZSTD_INCLUDE_DIR}")
endif()
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