https://github.com/Kitware/CMake
Tip revision: 8887ebc69b86606b388272d5c89ce11753bb4804 authored by Brad King on 14 January 2019, 12:27:44 UTC
CMake 3.13.3
CMake 3.13.3
Tip revision: 8887ebc
FindLibArchive.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
#
# 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
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 "${LibArchive_INCLUDE_DIR}/archive.h")
# The version string appears in one of three known formats in the header:
# #define ARCHIVE_LIBRARY_VERSION "libarchive 2.4.12"
# #define ARCHIVE_VERSION_STRING "libarchive 2.8.4"
# #define ARCHIVE_VERSION_ONLY_STRING "3.2.0"
# Match any format.
set(_LibArchive_VERSION_REGEX "^#define[ \t]+ARCHIVE[_A-Z]+VERSION[_A-Z]*[ \t]+\"(libarchive +)?([0-9]+)\\.([0-9]+)\\.([0-9]+)[^\"]*\".*$")
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})
endif()