diff options
Diffstat (limited to 'Modules')
-rw-r--r-- | Modules/FindLibArchive.cmake | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/Modules/FindLibArchive.cmake b/Modules/FindLibArchive.cmake new file mode 100644 index 0000000..fab5160 --- /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() |