# 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() |