| # Licensed 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. |
| |
| # ZSTD_HOME environmental variable is used to check for Zstd headers and static library |
| |
| # ZSTD_INCLUDE_DIR: directory containing headers |
| # ZSTD_LIBS: directory containing zstd libraries |
| # ZSTD_STATIC_LIB: path to libzstd.a |
| # ZSTD_FOUND: whether zstd has been found |
| |
| if( NOT "${ZSTD_HOME}" STREQUAL "") |
| file (TO_CMAKE_PATH "${ZSTD_HOME}" _zstd_path) |
| endif() |
| |
| message (STATUS "ZSTD_HOME: ${ZSTD_HOME}") |
| |
| if (NOT ZSTD_STATIC_LIB_NAME) |
| set (ZSTD_STATIC_LIB_NAME ${CMAKE_STATIC_LIBRARY_PREFIX}zstd) |
| endif() |
| |
| find_path (ZSTD_INCLUDE_DIR zstd.h HINTS |
| ${_zstd_path} |
| NO_DEFAULT_PATH |
| PATH_SUFFIXES "include") |
| |
| find_library (ZSTD_LIBRARIES NAMES ${ZSTD_STATIC_LIB_NAME} HINTS |
| ${_zstd_path} |
| PATH_SUFFIXES "lib") |
| |
| if (ZSTD_INCLUDE_DIR AND ZSTD_LIBRARIES) |
| set (ZSTD_FOUND TRUE) |
| get_filename_component (ZSTD_LIBS ${ZSTD_LIBRARIES} PATH) |
| set (ZSTD_HEADER_NAME zstd.h) |
| set (ZSTD_HEADER ${ZSTD_INCLUDE_DIR}/${ZSTD_HEADER_NAME}) |
| set (ZSTD_STATIC_LIB ${ZSTD_LIBS}/${ZSTD_STATIC_LIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX}) |
| else () |
| set (ZSTD_FOUND FALSE) |
| endif () |
| |
| if (ZSTD_FOUND) |
| message (STATUS "Found the zstd header: ${ZSTD_HEADER}") |
| message (STATUS "Found the zstd library: ${ZSTD_STATIC_LIB}") |
| else() |
| if (_ZSTD_path) |
| set (ZSTD_ERR_MSG "Could not find zstd. Looked in ${_zstd_path}.") |
| else () |
| set (ZSTD_ERR_MSG "Could not find zstd in system search paths.") |
| endif() |
| |
| if (ZSTD_FIND_REQUIRED) |
| message (FATAL_ERROR "${ZSTD_ERR_MSG}") |
| else () |
| message (STATUS "${ZSTD_ERR_MSG}") |
| endif () |
| endif() |
| |
| mark_as_advanced ( |
| ZSTD_INCLUDE_DIR |
| ZSTD_STATIC_LIB |
| ZSTD_LIBS |
| ZSTD_LIBRARIES |
| ) |