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Diffstat (limited to 'share/cmake-3.10/Modules/FindBZip2.cmake')
| -rw-r--r-- | share/cmake-3.10/Modules/FindBZip2.cmake | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/share/cmake-3.10/Modules/FindBZip2.cmake b/share/cmake-3.10/Modules/FindBZip2.cmake new file mode 100644 index 0000000..d2307f1 --- /dev/null +++ b/share/cmake-3.10/Modules/FindBZip2.cmake @@ -0,0 +1,89 @@ +# 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) +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) |