diff -up cmake-2.8.11/Source/CMakeLists.txt\~ cmake-2.8.11/Source/CMakeLists.txt

--- cmake-2.8.11/Source/CMakeLists.txt~	2013-05-15 19:38:13.000000000 +0200

+++ cmake-2.8.11/Source/CMakeLists.txt	2013-07-25 16:35:01.200389140 +0200

@@ -308,6 +308,13 @@ if(APPLE)

     cmLocalXCodeGenerator.h)

 endif()

+# GCC shows strict aliasing warnings with cm_sha2.c.  Turn off the

+# corresponding optimizations.

+if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_GNUCC)

+  set_source_files_properties(cm_sha2.c PROPERTIES

+			      COMPILE_FLAGS "-fno-strict-aliasing")

+endif()

+

 if (WIN32)

   set(SRCS ${SRCS}

Diff finished.  Thu Jul 25 16:35:18 2013