Description: add Findlibarchive.cmake needed to build with system libarchive
Author: Kai Wasserbäch <debian@carbon-project.org>
Forwarded: yes
Bug: http://public.kitware.com/Bug/view.php?id=10923
Origin: vendor
Last-Update: 2010-07-01

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -265,7 +265,8 @@ MACRO (CMAKE_BUILD_UTILITIES)
   ENDIF()
   IF(CMAKE_USE_SYSTEM_LIBARCHIVE)
     FIND_PACKAGE(libarchive)
-    SET(CMAKE_TAR_LIBRARIES libarchive)
+    SET(CMAKE_TAR_LIBRARIES ${LIBARCHIVE_LIBRARY})
+    SET(CMAKE_TAR_INCLUDES ${LIBARCHIVE_INCLUDE_DIR})
   ELSE(CMAKE_USE_SYSTEM_LIBARCHIVE)
     SET(HAVE_LIBZ 1)
     SET(HAVE_ZLIB_H 1)
--- /dev/null
+++ b/Modules/Findlibarchive.cmake
@@ -0,0 +1,41 @@
+# - Try to find libarchive
+# Once done this will define
+#
+#  LIBARCHIVE_FOUND - system has libarchive
+#  LIBARCHIVE_INCLUDE_DIR - the libarchive include directory
+#  LIBARCHIVE_LIBRARY - Link this to use libarchive
+#  HAVE_LIBARCHIVE_GZIP_SUPPORT - whether libarchive has been compiled with gzip support
+#  HAVE_LIBARCHIVE_LZMA_SUPPORT - whether libarchive has been compiled with lzma support
+#  HAVE_LIBARCHIVE_XZ_SUPPORT - whether libarchive has been compiled with xz support
+#
+# Copyright (c) 2006, Pino Toscano, <toscano.pino@tiscali.it>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+include(CheckLibraryExists)
+
+if (LIBARCHIVE_LIBRARY AND LIBARCHIVE_INCLUDE_DIR)
+  # in cache already
+  set(LIBARCHIVE_FOUND TRUE)
+else (LIBARCHIVE_LIBRARY AND LIBARCHIVE_INCLUDE_DIR)
+  find_path(LIBARCHIVE_INCLUDE_DIR archive.h
+    ${GNUWIN32_DIR}/include
+  )
+
+  find_library(LIBARCHIVE_LIBRARY NAMES archive libarchive archive2 libarchive2
+    PATHS
+    ${GNUWIN32_DIR}/lib
+  )
+
+  if (LIBARCHIVE_LIBRARY)
+    check_library_exists(${LIBARCHIVE_LIBRARY} archive_write_set_compression_gzip "" HAVE_LIBARCHIVE_GZIP_SUPPORT)
+    check_library_exists(${LIBARCHIVE_LIBRARY} archive_write_set_compression_lzma "" HAVE_LIBARCHIVE_LZMA_SUPPORT)
+    check_library_exists(${LIBARCHIVE_LIBRARY} archive_write_set_compression_xz "" HAVE_LIBARCHIVE_XZ_SUPPORT)
+  endif (LIBARCHIVE_LIBRARY)
+
+  include(FindPackageHandleStandardArgs)
+  find_package_handle_standard_args(LibArchive DEFAULT_MSG LIBARCHIVE_INCLUDE_DIR LIBARCHIVE_LIBRARY HAVE_LIBARCHIVE_GZIP_SUPPORT)
+
+  mark_as_advanced(LIBARCHIVE_INCLUDE_DIR LIBARCHIVE_LIBRARY HAVE_LIBARCHIVE_GZIP_SUPPORT HAVE_LIBARCHIVE_LZMA_SUPPORT)
+endif (LIBARCHIVE_LIBRARY AND LIBARCHIVE_INCLUDE_DIR)
--- a/Tests/CMakeTests/ModuleNoticesTest.cmake.in
+++ b/Tests/CMakeTests/ModuleNoticesTest.cmake.in
@@ -22,6 +22,8 @@ string(REPLACE "\r\r" "\r" notice_regex
 # Modules that do not require our notice.
 set(notice_exceptions
   FindCUDA.cmake # MIT License, distributed here from upstream project
+  Findlibarchive.cmake # Debian-Patch: taken from kdeutils, different until
+                       # upstream accepts it.
   )
 
 # Load the list of modules to check.