| # Distributed under the OSI-approved BSD 3-Clause License. See accompanying |
| # file Copyright.txt or https://cmake.org/licensing for details. |
| |
| #.rst: |
| # FindBZip2 |
| # --------- |
| # |
| # Try to find BZip2 |
| # |
| # IMPORTED Targets |
| # ^^^^^^^^^^^^^^^^ |
| # |
| # This module defines :prop_tgt:`IMPORTED` target ``BZip2::BZip2``, if |
| # BZip2 has been found. |
| # |
| # Result Variables |
| # ^^^^^^^^^^^^^^^^ |
| # |
| # This module defines the following variables: |
| # |
| # :: |
| # |
| # BZIP2_FOUND - system has BZip2 |
| # BZIP2_INCLUDE_DIR - the BZip2 include directory |
| # BZIP2_LIBRARIES - Link these to use BZip2 |
| # BZIP2_NEED_PREFIX - this is set if the functions are prefixed with BZ2_ |
| # BZIP2_VERSION_STRING - the version of BZip2 found (since CMake 2.8.8) |
| |
| set(_BZIP2_PATHS PATHS |
| "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\Bzip2;InstallPath]" |
| ) |
| |
| find_path(BZIP2_INCLUDE_DIR bzlib.h ${_BZIP2_PATHS} PATH_SUFFIXES include) |
| |
| if (NOT BZIP2_LIBRARIES) |
| find_library(BZIP2_LIBRARY_RELEASE NAMES bz2 bzip2 ${_BZIP2_PATHS} PATH_SUFFIXES lib) |
| find_library(BZIP2_LIBRARY_DEBUG NAMES bz2d bzip2d ${_BZIP2_PATHS} PATH_SUFFIXES lib) |
| |
| include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake) |
| SELECT_LIBRARY_CONFIGURATIONS(BZIP2) |
| else () |
| file(TO_CMAKE_PATH "${BZIP2_LIBRARIES}" BZIP2_LIBRARIES) |
| endif () |
| |
| if (BZIP2_INCLUDE_DIR AND EXISTS "${BZIP2_INCLUDE_DIR}/bzlib.h") |
| file(STRINGS "${BZIP2_INCLUDE_DIR}/bzlib.h" BZLIB_H REGEX "bzip2/libbzip2 version [0-9]+\\.[^ ]+ of [0-9]+ ") |
| string(REGEX REPLACE ".* bzip2/libbzip2 version ([0-9]+\\.[^ ]+) of [0-9]+ .*" "\\1" BZIP2_VERSION_STRING "${BZLIB_H}") |
| endif () |
| |
| include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) |
| FIND_PACKAGE_HANDLE_STANDARD_ARGS(BZip2 |
| REQUIRED_VARS BZIP2_LIBRARIES BZIP2_INCLUDE_DIR |
| VERSION_VAR BZIP2_VERSION_STRING) |
| |
| if (BZIP2_FOUND) |
| include(${CMAKE_CURRENT_LIST_DIR}/CheckSymbolExists.cmake) |
| include(${CMAKE_CURRENT_LIST_DIR}/CMakePushCheckState.cmake) |
| cmake_push_check_state() |
| set(CMAKE_REQUIRED_QUIET ${BZip2_FIND_QUIETLY}) |
| set(CMAKE_REQUIRED_INCLUDES ${BZIP2_INCLUDE_DIR}) |
| set(CMAKE_REQUIRED_LIBRARIES ${BZIP2_LIBRARIES}) |
| CHECK_SYMBOL_EXISTS(BZ2_bzCompressInit "bzlib.h" BZIP2_NEED_PREFIX) |
| cmake_pop_check_state() |
| |
| if(NOT TARGET BZip2::BZip2) |
| add_library(BZip2::BZip2 UNKNOWN IMPORTED) |
| set_target_properties(BZip2::BZip2 PROPERTIES |
| INTERFACE_INCLUDE_DIRECTORIES "${BZIP2_INCLUDE_DIRS}") |
| |
| if(BZIP2_LIBRARY_RELEASE) |
| set_property(TARGET BZip2::BZip2 APPEND PROPERTY |
| IMPORTED_CONFIGURATIONS RELEASE) |
| set_target_properties(BZip2::BZip2 PROPERTIES |
| IMPORTED_LOCATION_RELEASE "${BZIP2_LIBRARY_RELEASE}") |
| endif() |
| |
| if(BZIP2_LIBRARY_DEBUG) |
| set_property(TARGET BZip2::BZip2 APPEND PROPERTY |
| IMPORTED_CONFIGURATIONS DEBUG) |
| set_target_properties(BZip2::BZip2 PROPERTIES |
| IMPORTED_LOCATION_DEBUG "${BZIP2_LIBRARY_DEBUG}") |
| endif() |
| |
| if(NOT BZIP2_LIBRARY_RELEASE AND NOT BZIP2_LIBRARY_DEBUG) |
| set_property(TARGET BZip2::BZip2 APPEND PROPERTY |
| IMPORTED_LOCATION "${BZIP2_LIBRARY}") |
| endif() |
| endif() |
| endif () |
| |
| mark_as_advanced(BZIP2_INCLUDE_DIR) |