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-rw-r--r--Modules/CMakeExportBuildSettings.cmake36
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diff --git a/Modules/CMakeExportBuildSettings.cmake b/Modules/CMakeExportBuildSettings.cmake
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+
+#=============================================================================
+# Copyright 2002-2009 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.)
+
+# This module is purposely no longer documented. It does nothing useful.
+IF(NOT "${CMAKE_MINIMUM_REQUIRED_VERSION}" VERSION_LESS 2.7)
+ MESSAGE(FATAL_ERROR
+ "The functionality of this module has been dropped as of CMake 2.8. "
+ "It was deemed harmful (confusing users by changing their compiler). "
+ "Please remove calls to the CMAKE_EXPORT_BUILD_SETTINGS macro and "
+ "stop including this module. "
+ "If this project generates any files for use by external projects, "
+ "remove any use of the CMakeImportBuildSettings module from them.")
+ENDIF()
+
+# This macro used to store build settings of a project in a file to be
+# loaded by another project using CMAKE_IMPORT_BUILD_SETTINGS. Now it
+# creates a file that refuses to load (with comment explaining why).
+MACRO(CMAKE_EXPORT_BUILD_SETTINGS SETTINGS_FILE)
+ IF(${SETTINGS_FILE} MATCHES ".+")
+ CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CMakeBuildSettings.cmake.in
+ ${SETTINGS_FILE} @ONLY IMMEDIATE)
+ ELSE(${SETTINGS_FILE} MATCHES ".+")
+ MESSAGE(SEND_ERROR "CMAKE_EXPORT_BUILD_SETTINGS called with no argument.")
+ ENDIF(${SETTINGS_FILE} MATCHES ".+")
+ENDMACRO(CMAKE_EXPORT_BUILD_SETTINGS)