mirror of
https://github.com/crystalidea/qt-build-tools.git
synced 2024-11-30 07:11:59 +08:00
123 lines
3.8 KiB
CMake
123 lines
3.8 KiB
CMake
# 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
|
|
^^^^^^^^^^^^^^^^
|
|
|
|
.. versionadded:: 3.12
|
|
|
|
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_DIRS``
|
|
.. versionadded:: 3.12
|
|
the BZip2 include directories
|
|
``BZIP2_LIBRARIES``
|
|
Link these to use BZip2
|
|
``BZIP2_NEED_PREFIX``
|
|
this is set if the functions are prefixed with ``BZ2_``
|
|
``BZIP2_VERSION``
|
|
.. versionadded:: 3.26
|
|
the version of BZip2 found.
|
|
|
|
See also legacy variable ``BZIP2_VERSION_STRING``.
|
|
|
|
Cache variables
|
|
^^^^^^^^^^^^^^^
|
|
|
|
The following cache variables may also be set:
|
|
|
|
``BZIP2_INCLUDE_DIR``
|
|
the BZip2 include directory
|
|
|
|
Legacy Variables
|
|
^^^^^^^^^^^^^^^^
|
|
|
|
The following variables are provided for backward compatibility:
|
|
|
|
``BZIP2_VERSION_STRING``
|
|
the version of BZip2 found.
|
|
|
|
.. versionchanged:: 3.26
|
|
Superseded by ``BZIP2_VERSION``.
|
|
#]=======================================================================]
|
|
|
|
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 libbz2 libbzip2 NAMES_PER_DIR ${_BZIP2_PATHS} PATH_SUFFIXES lib)
|
|
find_library(BZIP2_LIBRARY_DEBUG NAMES bz2d bzip2d libbz2d libbzip2d NAMES_PER_DIR ${_BZIP2_PATHS} PATH_SUFFIXES lib)
|
|
|
|
include(${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}")
|
|
set(BZIP2_VERSION ${BZIP2_VERSION_STRING})
|
|
endif ()
|
|
|
|
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
|
|
FIND_PACKAGE_HANDLE_STANDARD_ARGS(BZip2
|
|
REQUIRED_VARS BZIP2_LIBRARIES BZIP2_INCLUDE_DIR
|
|
VERSION_VAR BZIP2_VERSION)
|
|
|
|
if (BZIP2_FOUND)
|
|
set(BZIP2_INCLUDE_DIRS ${BZIP2_INCLUDE_DIR})
|
|
include(${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)
|