Squashed 'cmake/' content from commit 2d25566

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

ListCombinations.cmake

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+# - Combine lists of prefixes and suffixes in all combinations
+#
+#  list_combinations(var PREFIXES listitems... SUFFIXES listitems...) -
+#   where var is the name of your desired output variable and PREFIXES
+#   and SUFFIXES are special arguments that indicate the start of your
+#   list of prefixes or suffixes respectively.
+#
+# Original Author:
+# 2009-2010 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(__list_combinations)
+	return()
+endif()
+set(__list_combinations YES)
+
+function(list_combinations var)
+	# Parse arguments
+	set(_prefixes)
+	set(_suffixes)
+	set(_nowhere)
+	set(_curdest _nowhere)
+	foreach(_element ${ARGN})
+		if("${_element}" STREQUAL "PREFIXES")
+			set(_curdest _prefixes)
+		elseif("${_element}" STREQUAL "SUFFIXES")
+			set(_curdest _suffixes)
+		else()
+			list(APPEND ${_curdest} "${_element}")
+		endif()
+	endforeach()
+	if(_nowhere)
+		message(STATUS "_prefixes ${_prefixes}")
+		message(STATUS "_prefixes ${_suffixes}")
+		message(STATUS "_prefixes ${_nowhere}")
+		message(FATAL_ERROR
+			"Syntax error in use of ${CMAKE_CURRENT_LIST_FILE}")
+	endif()
+
+	foreach(_prefix ${_prefixes})
+		foreach(_suffix ${_suffixes})
+			list(APPEND _out "${_prefix}${_suffix}")
+		endforeach()
+	endforeach()
+
+	set(${var} "${_out}" PARENT_SCOPE)
+endfunction()