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+# CMakeVerifyManifest.cmake
+#
+# This script is used to verify that embeded manifests and
+# side by side manifests for a project match. To run this
+# script, cd to a directory and run the script with cmake -P.
+# On the command line you can pass in versions that are OK even
+# if not found in the .manifest files. For example,
+# cmake -Dallow_versions=8.0.50608.0 -PCmakeVerifyManifest.cmake
+# could be used to allow an embeded manifest of 8.0.50608.0
+# to be used in a project even if that version was not found
+# in the .manifest file.
+
+# This script first recursively globs *.manifest files from
+# the current directory. Then globs *.exe and *.dll. Each
+# .exe and .dll is scanned for embeded manifests and the versions
+# of CRT are compared to those found in the .manifest files
+# from the first glob.
+
+#=============================================================================
+# Copyright 2008-2009 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 distribute this file outside of CMake, substitute the full
+# License text for the above reference.)
+
+
+# crt_version:
+# function to extract the CRT version from a file
+# this can be passed a .exe, .dll, or a .manifest file
+# it will put the list of versions found into the variable
+# specified by list_var
+function(crt_version file list_var)
+ file(STRINGS "${file}" strings REGEX "Microsoft.VC...CRT" NEWLINE_CONSUME)
+ foreach(s ${strings})
+ set(has_match 1)
+ string(REGEX
+ REPLACE ".*<assembly.*\"Microsoft.VC...CRT\".*version=\"([^\"]*)\".*</assembly>.*$" "\\1"
+ version "${s}")
+ if(NOT "${version}" STREQUAL "")
+ list(APPEND version_list ${version})
+ else()
+ message(FATAL_ERROR "Parse error could not find version in [${s}]")
+ endif()
+ endforeach(s)
+ if(NOT DEFINED has_match)
+ message("Information: no embeded manifest in: ${file}")
+ return()
+ endif()
+ list(APPEND version_list ${${list_var}})
+ list(REMOVE_DUPLICATES version_list)
+ if(version_list)
+ set(${list_var} ${version_list} PARENT_SCOPE)
+ endif()
+endfunction(crt_version)
+set(fatal_error FALSE)
+
+# check_version:
+#
+# test a file against the shipped manifest versions
+# for a directory
+function(check_version file manifest_versions)
+ set(manifest_versions ${manifest_versions} ${allow_versions})
+ # collect versions for a given file
+ crt_version(${file} file_versions)
+ # see if the versions
+ foreach(ver ${file_versions})
+ list(FIND manifest_versions "${ver}" found_version)
+ if("${found_version}" EQUAL -1)
+ message("ERROR: ${file} uses ${ver} not found in shipped manifests:[${manifest_versions}].")
+ set(fatal_error TRUE PARENT_SCOPE)
+ endif()
+ endforeach(ver)
+ list(LENGTH file_versions len)
+ if(${len} GREATER 1)
+ message("WARNING: found more than one version of MICROSOFT.VC80.CRT referenced in ${file}: [${file_versions}]")
+ endif()
+endfunction()
+
+# collect up the versions of CRT that are shipped
+# in .manifest files
+set(manifest_version_list )
+file(GLOB_RECURSE manifest_files "*.manifest")
+foreach(f ${manifest_files})
+ crt_version("${f}" manifest_version_list)
+endforeach(f)
+list(LENGTH manifest_version_list LEN)
+if(LEN EQUAL 0)
+ message(FATAL_ERROR "No .manifest files found, no version check can be done.")
+endif()
+message("Versions found in ${manifest_files}: ${manifest_version_list}")
+if(DEFINED allow_versions)
+ message("Extra versions allowed: ${allow_versions}")
+endif()
+
+# now find all .exe and .dll files
+# and call check_version on each of them
+file(GLOB_RECURSE exe_files "*.exe")
+file(GLOB_RECURSE dll_files "*.dll")
+set(exe_files ${exe_files} ${dll_files})
+foreach(f ${exe_files})
+ check_version(${f} "${manifest_version_list}")
+endforeach()
+
+# report a fatal error if there were any so that cmake will return
+# a non zero value
+if(fatal_error)
+ message(FATAL_ERROR "This distribution embeds dll "
+ " versions that it does not ship, and may not work on other machines.")
+endif()