# - Find libarchive library and headers # 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 #============================================================================= # Copyright 2010 Kitware, Inc. # # Distributed under the OSI-approved BSD License (the "License"); # see accompanying file Copyright.txt for details. # # This software is distributed WITHOUT ANY WARRANTY; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # See the License for more information. #============================================================================= # (To distribute this file outside of CMake, substitute the full # License text for the above reference.) find_path(LibArchive_INCLUDE_DIR NAMES archive.h PATHS "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\LibArchive;InstallPath]/include" ) find_library(LibArchive_LIBRARY NAMES archive libarchive PATHS "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\LibArchive;InstallPath]/lib" ) mark_as_advanced(LibArchive_INCLUDE_DIR LibArchive_LIBRARY) # Extract the version number from the header. if(LibArchive_INCLUDE_DIR AND EXISTS "${LibArchive_INCLUDE_DIR}/archive.h") # The version string appears in one of two known formats in the header: # #define ARCHIVE_LIBRARY_VERSION "libarchive 2.4.12" # #define ARCHIVE_VERSION_STRING "libarchive 2.8.4" # Match either format. set(_LibArchive_VERSION_REGEX "^#define[ \t]+ARCHIVE[_A-Z]+VERSION[_A-Z]*[ \t]+\"libarchive +([0-9]+)\\.([0-9]+)\\.([0-9]+)[^\"]*\".*$") file(STRINGS "${LibArchive_INCLUDE_DIR}/archive.h" _LibArchive_VERSION_STRING LIMIT_COUNT 1 REGEX "${_LibArchive_VERSION_REGEX}") if(_LibArchive_VERSION_STRING) string(REGEX REPLACE "${_LibArchive_VERSION_REGEX}" "\\1.\\2.\\3" LibArchive_VERSION "${_LibArchive_VERSION_STRING}") endif() unset(_LibArchive_VERSION_REGEX) unset(_LibArchive_VERSION_STRING) endif() # Handle the QUIETLY and REQUIRED arguments and set LIBARCHIVE_FOUND # to TRUE if all listed variables are TRUE. # (Use ${CMAKE_ROOT}/Modules instead of ${CMAKE_CURRENT_LIST_DIR} because CMake # itself includes this FindLibArchive when built with an older CMake that does # not provide it. The older CMake also does not have CMAKE_CURRENT_LIST_DIR.) include(${CMAKE_ROOT}/Modules/FindPackageHandleStandardArgs.cmake) find_package_handle_standard_args(LibArchive REQUIRED_VARS LibArchive_LIBRARY LibArchive_INCLUDE_DIR VERSION_VAR LibArchive_VERSION ) set(LibArchive_FOUND ${LIBARCHIVE_FOUND}) unset(LIBARCHIVE_FOUND) if(LibArchive_FOUND) set(LibArchive_INCLUDE_DIRS ${LibArchive_INCLUDE_DIR}) set(LibArchive_LIBRARIES ${LibArchive_LIBRARY}) endif()