--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/interps/cfunge/cfunge-src/cmake/modules/CfungeRequireInclude.cmake	Sun Dec 09 19:30:08 2012 +0000
@@ -0,0 +1,37 @@
+# - Check if a given include file exists and error out if not.
+# CFUNGE_REQUIRE_INCLUDE(_name)
+#
+#  _name - Include file to check for.
+#
+# The same variables as for CheckIncludeFile affect this macro.
+#
+# Will set CFUNGE_CHECKINCLUDE_<name> (as CheckIncludeFile out variable).
+#
+
+# cfunge - A standard-conforming Befunge93/98/109 interpreter in C.
+# Copyright (C) 2008 Arvid Norlander <anmaster AT tele2 DOT se>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at the proxy's option) any later version. Arvid Norlander is a
+# proxy who can decide which future versions of the GNU General Public
+# License can be used.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+include(CheckIncludeFile)
+
+macro(CFUNGE_REQUIRE_INCLUDE _name)
+	CHECK_INCLUDE_FILE(${_name} "CFUNGE_CHECKINCLUDE_${_name}")
+	if (NOT "CFUNGE_CHECKINCLUDE_${_name}")
+		message(FATAL_ERROR
+		        "Your system seems to be missing the header \"${_name}\" which is required by cfunge.")
+	endif (NOT "CFUNGE_CHECKINCLUDE_${_name}")
+endmacro(CFUNGE_REQUIRE_INCLUDE)