1 # Distributed under the OSI-approved BSD 3-Clause License. See accompanying
2 # file Copyright.txt or https://cmake.org/licensing for details.
4 #[=======================================================================[.rst:
8 Find libarchive library and headers.
9 Libarchive is multi-format archive and compression library.
11 The module defines the following variables:
15 LibArchive_FOUND - true if libarchive was found
16 LibArchive_INCLUDE_DIRS - include search path
17 LibArchive_LIBRARIES - libraries to link
18 LibArchive_VERSION - libarchive 3-component version number
20 The module defines the following ``IMPORTED`` targets:
24 LibArchive::LibArchive - target for linking against libarchive
27 Support for new libarchive 3.2 version string format.
29 #]=======================================================================]
31 find_path(LibArchive_INCLUDE_DIR
34 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\LibArchive;InstallPath]/include"
35 DOC "libarchive include directory"
38 find_library(LibArchive_LIBRARY
39 NAMES archive libarchive
41 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\LibArchive;InstallPath]/lib"
42 DOC "libarchive library"
45 mark_as_advanced(LibArchive_INCLUDE_DIR LibArchive_LIBRARY)
47 # Extract the version number from the header.
48 if(LibArchive_INCLUDE_DIR AND EXISTS "${LibArchive_INCLUDE_DIR}/archive.h")
49 # The version string appears in one of three known formats in the header:
50 # #define ARCHIVE_LIBRARY_VERSION "libarchive 2.4.12"
51 # #define ARCHIVE_VERSION_STRING "libarchive 2.8.4"
52 # #define ARCHIVE_VERSION_ONLY_STRING "3.2.0"
54 set(_LibArchive_VERSION_REGEX "^#define[ \t]+ARCHIVE[_A-Z]+VERSION[_A-Z]*[ \t]+\"(libarchive +)?([0-9]+)\\.([0-9]+)\\.([0-9]+)[^\"]*\".*$")
55 file(STRINGS "${LibArchive_INCLUDE_DIR}/archive.h" _LibArchive_VERSION_STRING LIMIT_COUNT 1 REGEX "${_LibArchive_VERSION_REGEX}")
56 if(_LibArchive_VERSION_STRING)
57 string(REGEX REPLACE "${_LibArchive_VERSION_REGEX}" "\\2.\\3.\\4" LibArchive_VERSION "${_LibArchive_VERSION_STRING}")
59 unset(_LibArchive_VERSION_REGEX)
60 unset(_LibArchive_VERSION_STRING)
63 include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
64 find_package_handle_standard_args(LibArchive
65 REQUIRED_VARS LibArchive_LIBRARY LibArchive_INCLUDE_DIR
66 VERSION_VAR LibArchive_VERSION
68 unset(LIBARCHIVE_FOUND)
71 set(LibArchive_INCLUDE_DIRS ${LibArchive_INCLUDE_DIR})
72 set(LibArchive_LIBRARIES ${LibArchive_LIBRARY})
74 if (NOT TARGET LibArchive::LibArchive)
75 add_library(LibArchive::LibArchive UNKNOWN IMPORTED)
76 set_target_properties(LibArchive::LibArchive PROPERTIES
77 IMPORTED_LOCATION "${LibArchive_LIBRARY}"
78 INTERFACE_INCLUDE_DIRECTORIES "${LibArchive_INCLUDE_DIR}")