From 0ec4b84c91f1f5543fcad367d029e4ff6e569d63 Mon Sep 17 00:00:00 2001
From: Andy Cedilnik <andy.cedilnik@kitware.com>
Date: Tue, 22 Aug 2006 15:46:22 -0400
Subject: [PATCH] COMP: Add missing cmake file

---
 Source/kwsys/CMakeLists.txt           |  2 +-
 Source/kwsys/CheckCXXSourceRuns.cmake | 62 +++++++++++++++++++++++++++
 2 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 Source/kwsys/CheckCXXSourceRuns.cmake

diff --git a/Source/kwsys/CMakeLists.txt b/Source/kwsys/CMakeLists.txt
index aee68e2b6..71dc1beae 100644
--- a/Source/kwsys/CMakeLists.txt
+++ b/Source/kwsys/CMakeLists.txt
@@ -245,7 +245,7 @@ ENDIF(NOT KWSYS_IN_SOURCE_BUILD)
 IF("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" LESS 2.4)
   MESSAGE(STATUS "Skip large files support because CMake is earlier than 2.4")
 ELSE("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" LESS 2.4)
-  INCLUDE(CheckCXXSourceRuns)
+  INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/CheckCXXSourceRuns.cmake)
   FILE(READ "${CMAKE_CURRENT_SOURCE_DIR}/RequireLargeFilesSupport.cxx"
     __kwsys_require_large_files_support)
   CHECK_CXX_SOURCE_RUNS("${__kwsys_require_large_files_support}"
diff --git a/Source/kwsys/CheckCXXSourceRuns.cmake b/Source/kwsys/CheckCXXSourceRuns.cmake
new file mode 100644
index 000000000..7a086f379
--- /dev/null
+++ b/Source/kwsys/CheckCXXSourceRuns.cmake
@@ -0,0 +1,62 @@
+# - Check if the source code provided in the SOURCE argument compiles.
+# CHECK_CXX_SOURCE_COMPILES(SOURCE VAR)
+# - macro which checks if the source code compiles\
+#  SOURCE - source code to try to compile
+#  VAR    - variable to store size if the type exists.
+#
+# The following variables may be set before calling this macro to
+# modify the way the check is run:
+#
+#  CMAKE_REQUIRED_FLAGS = string of compile command line flags
+#  CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
+#  CMAKE_REQUIRED_INCLUDES = list of include directories
+#  CMAKE_REQUIRED_LIBRARIES = list of libraries to link
+
+MACRO(CHECK_CXX_SOURCE_RUNS SOURCE VAR COMMENT)
+  IF("HAVE_${VAR}" MATCHES "^HAVE_${VAR}$")
+    SET(MACRO_CHECK_FUNCTION_DEFINITIONS 
+      "-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
+    IF(CMAKE_REQUIRED_LIBRARIES)
+      SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES
+        "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
+    ELSE(CMAKE_REQUIRED_LIBRARIES)
+      SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES)
+    ENDIF(CMAKE_REQUIRED_LIBRARIES)
+    IF(CMAKE_REQUIRED_INCLUDES)
+      SET(CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES
+        "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
+    ELSE(CMAKE_REQUIRED_INCLUDES)
+      SET(CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES)
+    ENDIF(CMAKE_REQUIRED_INCLUDES)
+    SET(CMAKE_EMPTY_INPUT_FILE_CONTENT "${SOURCE}")
+    CONFIGURE_FILE("${VTK_SOURCE_DIR}/CMake/CMakeEmptyInputFile.in"
+      "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/src.cxx")
+
+    MESSAGE(STATUS "Performing Test ${COMMENT}")
+    TRY_RUN(${VAR} HAVE_${VAR}
+      ${CMAKE_BINARY_DIR}
+      ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/src.cxx
+      COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
+      CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
+      "${CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES}"
+      "${CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES}"
+      OUTPUT_VARIABLE OUTPUT)
+    IF(HAVE_${VAR})
+      SET(${VAR} 1 CACHE INTERNAL "Test ${COMMENT}")
+      MESSAGE(STATUS "Performing Test ${COMMENT} - Success")
+      FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log 
+        "Performing C++ SOURCE FILE Test ${COMMENT} succeded with the following output:\n"
+        "${OUTPUT}\n"
+        "Source file was:\n${SOURCE}\n")
+    ELSE(HAVE_${VAR})
+      MESSAGE(STATUS "Performing Test ${COMMENT} - Failed")
+      SET(${VAR} "" CACHE INTERNAL "Test ${COMMENT}")
+      FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log 
+        "Performing C++ SOURCE FILE Test ${COMMENT} failed with the following output:\n"
+        "${OUTPUT}\n"
+        "Source file was:\n${SOURCE}\n")
+    ENDIF(HAVE_${VAR})
+  ENDIF("HAVE_${VAR}" MATCHES "^HAVE_${VAR}$")
+ENDMACRO(CHECK_CXX_SOURCE_RUNS)
+
+