zdoom-macos-deps/deps/cmake/share/cmake-3.25/Modules/FindLibArchive.cmake
2023-01-10 16:43:43 +02:00

83 lines
2.9 KiB
CMake

# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindLibArchive
--------------
Find libarchive library and headers.
Libarchive is multi-format archive and compression library.
The module defines the following variables:
::
LibArchive_FOUND - true if libarchive was found
LibArchive_INCLUDE_DIRS - include search path
LibArchive_LIBRARIES - libraries to link
LibArchive_VERSION - libarchive 3-component version number
The module defines the following ``IMPORTED`` targets:
::
LibArchive::LibArchive - target for linking against libarchive
.. versionadded:: 3.6
Support for new libarchive 3.2 version string format.
.. versionadded:: 3.17
Provides an imported target.
#]=======================================================================]
find_path(LibArchive_INCLUDE_DIR
NAMES archive.h
PATHS
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\LibArchive;InstallPath]/include"
DOC "libarchive include directory"
)
find_library(LibArchive_LIBRARY
NAMES archive libarchive
PATHS
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\LibArchive;InstallPath]/lib"
DOC "libarchive library"
)
mark_as_advanced(LibArchive_INCLUDE_DIR LibArchive_LIBRARY)
# Extract the version number from the header.
if(LibArchive_INCLUDE_DIR AND EXISTS "${LibArchive_INCLUDE_DIR}/archive.h")
# The version string appears in one of three known formats in the header:
# #define ARCHIVE_LIBRARY_VERSION "libarchive 2.4.12"
# #define ARCHIVE_VERSION_STRING "libarchive 2.8.4"
# #define ARCHIVE_VERSION_ONLY_STRING "3.2.0"
# Match any format.
set(_LibArchive_VERSION_REGEX "^#define[ \t]+ARCHIVE[_A-Z]+VERSION[_A-Z]*[ \t]+\"(libarchive +)?([0-9]+)\\.([0-9]+)\\.([0-9]+)[^\"]*\".*$")
file(STRINGS "${LibArchive_INCLUDE_DIR}/archive.h" _LibArchive_VERSION_STRING LIMIT_COUNT 1 REGEX "${_LibArchive_VERSION_REGEX}")
if(_LibArchive_VERSION_STRING)
string(REGEX REPLACE "${_LibArchive_VERSION_REGEX}" "\\2.\\3.\\4" LibArchive_VERSION "${_LibArchive_VERSION_STRING}")
endif()
unset(_LibArchive_VERSION_REGEX)
unset(_LibArchive_VERSION_STRING)
endif()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
find_package_handle_standard_args(LibArchive
REQUIRED_VARS LibArchive_LIBRARY LibArchive_INCLUDE_DIR
VERSION_VAR LibArchive_VERSION
)
unset(LIBARCHIVE_FOUND)
if(LibArchive_FOUND)
set(LibArchive_INCLUDE_DIRS ${LibArchive_INCLUDE_DIR})
set(LibArchive_LIBRARIES ${LibArchive_LIBRARY})
if (NOT TARGET LibArchive::LibArchive)
add_library(LibArchive::LibArchive UNKNOWN IMPORTED)
set_target_properties(LibArchive::LibArchive PROPERTIES
IMPORTED_LOCATION "${LibArchive_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${LibArchive_INCLUDE_DIR}")
endif ()
endif()