Squashed 'cmake/' content from commit 2d25566

git-subtree-dir: cmake
git-subtree-split: 2d25566a1c5162ce3fd6bfc268d5665de182af89

SetDefaultBuildType.cmake

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+# - Set a developer-chosen default build type
+#
+# Requires these CMake modules:
+#  no additional modules required
+#
+# Original Author:
+# 2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
+# http://academic.cleardefinition.com
+# Iowa State University HCI Graduate Program/VRAC
+#
+#          Copyright Iowa State University 2009-2010
+# Distributed under the Boost Software License, Version 1.0.
+#    (See accompanying file LICENSE_1_0.txt or copy at
+#          http://www.boost.org/LICENSE_1_0.txt)
+#
+
+
+if(__set_default_build_type)
+	return()
+endif()
+set(__set_default_build_type YES)
+
+function(set_default_build_type _type)
+	#if(DEFINED CMAKE_BUILD_TYPE AND NOT CMAKE_BUILD_TYPE)
+	if("${CMAKE_GENERATOR}" MATCHES "Makefiles" AND NOT CMAKE_BUILD_TYPE)
+		if(NOT __DEFAULT_BUILD_TYPE_SET)
+			set(CMAKE_BUILD_TYPE "${_type}" CACHE STRING "" FORCE)
+			set(__DEFAULT_BUILD_TYPE_SET YES CACHE INTERNAL "")
+		endif()
+	endif()
+endfunction()