From 9e903b9f0e3c12d940e62775afa49daae56db9a6 Mon Sep 17 00:00:00 2001 From: Brad King Date: Thu, 29 Jul 2010 09:52:59 -0400 Subject: [PATCH 1/2] Add FindLibArchive module (#10923) --- Modules/FindLibArchive.cmake | 63 ++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Modules/FindLibArchive.cmake diff --git a/Modules/FindLibArchive.cmake b/Modules/FindLibArchive.cmake new file mode 100644 index 000000000..fab516051 --- /dev/null +++ b/Modules/FindLibArchive.cmake @@ -0,0 +1,63 @@ +# - 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 distributed 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. +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(LibArchive DEFAULT_MSG + LibArchive_LIBRARY LibArchive_INCLUDE_DIR + ) +set(LibArchive_FOUND ${LIBARCHIVE_FOUND}) +unset(LIBARCHIVE_FOUND) + +if(LibArchive_FOUND) + set(LibArchive_INCLUDE_DIRS ${LibArchive_INCLUDE_DIR}) + set(LibArchive_LIBRARIES ${LibArchive_LIBRARY}) +endif() From a602f8718692a5a44a8d582a6b4d7c8e46bf4315 Mon Sep 17 00:00:00 2001 From: Brad King Date: Thu, 29 Jul 2010 10:12:09 -0400 Subject: [PATCH 2/2] Add option CMAKE_USE_SYSTEM_LIBARCHIVE (#10923) Finish the implementation of the option from the skeleton left by the initial addition of libarchive. --- CMakeLists.txt | 25 ++++++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index b25f69489..b318a0c40 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -71,19 +71,23 @@ MACRO(CMAKE_HANDLE_SYSTEM_LIBRARIES) CACHE BOOL "Use system-installed zlib" FORCE) SET(CMAKE_USE_SYSTEM_BZIP2 "${CMAKE_USE_SYSTEM_LIBRARIES}" CACHE BOOL "Use system-installed bzip2" FORCE) + SET(CMAKE_USE_SYSTEM_LIBARCHIVE "${CMAKE_USE_SYSTEM_LIBRARIES}" + CACHE BOOL "Use system-installed libarchive" FORCE) ENDIF(CMAKE_USE_SYSTEM_LIBRARIES_USER) # Optionally use system utility libraries. + OPTION(CMAKE_USE_SYSTEM_LIBARCHIVE "Use system-installed libarchive" ${CMAKE_USE_SYSTEM_LIBRARIES}) CMAKE_DEPENDENT_OPTION(CMAKE_USE_SYSTEM_CURL "Use system-installed curl" ${CMAKE_USE_SYSTEM_LIBRARIES} "NOT CTEST_USE_XMLRPC" ON) CMAKE_DEPENDENT_OPTION(CMAKE_USE_SYSTEM_EXPAT "Use system-installed expat" ${CMAKE_USE_SYSTEM_LIBRARIES} "NOT CTEST_USE_XMLRPC" ON) CMAKE_DEPENDENT_OPTION(CMAKE_USE_SYSTEM_ZLIB "Use system-installed zlib" - ${CMAKE_USE_SYSTEM_LIBRARIES} "NOT CMAKE_USE_SYSTEM_CURL" ON) - OPTION(CMAKE_USE_SYSTEM_BZIP2 "Use system-installed bzip2" OFF) + ${CMAKE_USE_SYSTEM_LIBRARIES} "NOT CMAKE_USE_SYSTEM_LIBARCHIVE;NOT CMAKE_USE_SYSTEM_CURL" ON) + CMAKE_DEPENDENT_OPTION(CMAKE_USE_SYSTEM_BZIP2 "Use system-installed bzip2" + ${CMAKE_USE_SYSTEM_LIBRARIES} "NOT CMAKE_USE_SYSTEM_LIBARCHIVE" ON) # Mention to the user what system libraries are being used. - FOREACH(util BZIP2 CURL EXPAT ZLIB) + FOREACH(util BZIP2 CURL EXPAT LIBARCHIVE ZLIB) IF(CMAKE_USE_SYSTEM_${util}) MESSAGE(STATUS "Using system-installed ${util}") ENDIF(CMAKE_USE_SYSTEM_${util}) @@ -266,9 +270,20 @@ MACRO (CMAKE_BUILD_UTILITIES) SET(BZIP2_LIBRARIES cmbzip2) ADD_SUBDIRECTORY(Utilities/cmbzip2) ENDIF() + + #--------------------------------------------------------------------- + # Build or use system libarchive for CMake and CTest. IF(CMAKE_USE_SYSTEM_LIBARCHIVE) - FIND_PACKAGE(libarchive) - SET(CMAKE_TAR_LIBRARIES libarchive) + IF(EXISTS ${CMAKE_ROOT}/Modules/FindLibArchive.cmake) + FIND_PACKAGE(LibArchive) + ELSE() + CMAKE_MINIMUM_REQUIRED(VERSION 2.8.0 FATAL_ERROR) + INCLUDE(${CMake_SOURCE_DIR}/Modules/FindLibArchive.cmake) + ENDIF() + IF(NOT LibArchive_FOUND) + MESSAGE(FATAL_ERROR "CMAKE_USE_SYSTEM_LIBARCHIVE is ON but LibArchive is not found!") + ENDIF() + SET(CMAKE_TAR_LIBRARIES ${LibArchive_LIBRARIES}) ELSE(CMAKE_USE_SYSTEM_LIBARCHIVE) SET(HAVE_LIBZ 1) SET(HAVE_ZLIB_H 1)