| # 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. |
| |
| #]=======================================================================] |
| |
| 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() |