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diff --git a/share/cmake-3.5/Modules/Compiler/GNU.cmake b/share/cmake-3.5/Modules/Compiler/GNU.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 shared by multiple languages; use include blocker.
+if(__COMPILER_GNU)
+ return()
+endif()
+set(__COMPILER_GNU 1)
+
+macro(__compiler_gnu lang)
+ # Feature flags.
+ set(CMAKE_${lang}_VERBOSE_FLAG "-v")
+ set(CMAKE_${lang}_COMPILE_OPTIONS_PIC "-fPIC")
+ if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.4)
+ set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "-fPIE")
+ endif()
+ if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 4.2)
+ set(CMAKE_${lang}_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
+ endif()
+ set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "-fPIC")
+ set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-shared")
+ set(CMAKE_${lang}_COMPILE_OPTIONS_SYSROOT "--sysroot=")
+
+ # Older versions of gcc (< 4.5) contain a bug causing them to report a missing
+ # header file as a warning if depfiles are enabled, causing check_header_file
+ # tests to always succeed. Work around this by disabling dependency tracking
+ # in try_compile mode.
+ get_property(_IN_TC GLOBAL PROPERTY IN_TRY_COMPILE)
+ if(NOT _IN_TC OR CMAKE_FORCE_DEPFILES)
+ # distcc does not transform -o to -MT when invoking the preprocessor
+ # internally, as it ought to. Work around this bug by setting -MT here
+ # even though it isn't strictly necessary.
+ set(CMAKE_DEPFILE_FLAGS_${lang} "-MMD -MT <OBJECT> -MF <DEPFILE>")
+ endif()
+
+ # Initial configuration flags.
+ set(CMAKE_${lang}_FLAGS_INIT "")
+ set(CMAKE_${lang}_FLAGS_DEBUG_INIT "-g")
+ set(CMAKE_${lang}_FLAGS_MINSIZEREL_INIT "-Os -DNDEBUG")
+ set(CMAKE_${lang}_FLAGS_RELEASE_INIT "-O3 -DNDEBUG")
+ set(CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT "-O2 -g -DNDEBUG")
+ set(CMAKE_${lang}_CREATE_PREPROCESSED_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
+ set(CMAKE_${lang}_CREATE_ASSEMBLY_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")
+ if(NOT APPLE)
+ set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ")
+ endif()
+endmacro()