--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmake_modules/CMakeTestPascalCompiler.cmake	Mon Mar 18 00:58:13 2013 +0100
@@ -0,0 +1,54 @@
+# This file is used by EnableLanguage in cmGlobalGenerator to determine that
+# the Ada builder GNAT_EXECUTABLE_BUILDER = gnatmake can actually compile
+# and link the most basic of programs.  If not, a fatal error is set and
+# cmake stops processing commands and will not generate any makefiles or
+# projects.
+
+IF(NOT CMAKE_Pascal_COMPILER_WORKS)
+  MESSAGE(STATUS "Check for working Pascal compiler: ${CMAKE_Pascal_COMPILER}")
+  FILE(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testpascalcompiler.pas
+  "program testPascalCompiler;
+   begin
+
+   end.
+  ")
+
+  FILE(WRITE ${CMAKE_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp/CMakeLists.txt
+  "set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake_modules)
+   set(CMAKE_VERBOSE_MAKEFILE ON CACHE BOOL \"\" FORCE)
+   project(test Pascal)
+   add_executable(testpascalcompiler testpascalcompiler.pas)
+  ")
+
+# To avoid try_compile recurse error, use any binary directory other than
+# ${CMAKE_BINARY_DIR}.  The choice of
+# bindir = ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp is
+# especially advantageous since it makes an in-source build which
+# means that no special variables need to be set to find files.
+  try_compile(CMAKE_Pascal_COMPILER_WORKS
+  ${CMAKE_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp
+  ${CMAKE_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp
+  projectName
+  OUTPUT_VARIABLE OUTPUT
+  )
+  SET(PASCAL_TEST_WAS_RUN 1)
+ENDIF(NOT CMAKE_Pascal_COMPILER_WORKS)
+
+IF(NOT CMAKE_Pascal_COMPILER_WORKS)
+  MESSAGE(STATUS "Check for working Pascal compiler: ${CMAKE_Pascal_COMPILER} -- broken")
+  FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+    "Determining if the Pascal compiler works failed with "
+    "the following output:\n${OUTPUT}\n\n")
+  MESSAGE(FATAL_ERROR "The Pascal builder \"${CMAKE_Pascal_COMPILER}\" "
+    "is not able to compile, and link a simple test program.\nIt fails "
+    "with the following output:\n ${OUTPUT}\n\n"
+    "CMake will not be able to correctly generate this project.")
+ELSE(NOT CMAKE_Pascal_COMPILER_WORKS)
+  IF(PASCAL_TEST_WAS_RUN)
+    MESSAGE(STATUS "Check for working Pascal compiler: ${CMAKE_Pascal_COMPILER} -- works")
+    FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+      "Determining if the Pascal compiler works passed with "
+      "the following output:\n${OUTPUT}\n\n") 
+  ENDIF(PASCAL_TEST_WAS_RUN)
+  SET(CMAKE_Pascal_COMPILER_WORKS 1 CACHE INTERNAL "")
+ENDIF(NOT CMAKE_Pascal_COMPILER_WORKS)