ENH: Adding test for running preprocessor rules.

Tests/Complex/Library/CMakeLists.txt

@@ -103,3 +103,14 @@ SET_SOURCE_FILES_PROPERTIES(file2 PROPERTIES ABSTRACT 1)
 INSTALL_FILES(/tmp .h ${Complex_BINARY_DIR}/cmTestConfigure.h)
 INSTALL_FILES(/tmp .cxx ${Complex_BINARY_DIR}/cmTestConfigure.h)
 
+# Test generation of preprocessed sources.
+IF("${CMAKE_GENERATOR}" MATCHES "Makefile" AND CMAKE_MAKE_PROGRAM)
+  IF(CMAKE_CXX_CREATE_PREPROCESSED_SOURCE)
+    ADD_CUSTOM_TARGET(test_preprocess ALL
+      COMMAND ${CMAKE_COMMAND} -E remove CMakeFiles/create_file.dir/create_file.i
+      COMMAND ${CMAKE_MAKE_PROGRAM} create_file.i
+      COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/test_preprocess.cmake
+      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+      )
+  ENDIF(CMAKE_CXX_CREATE_PREPROCESSED_SOURCE)
+ENDIF("${CMAKE_GENERATOR}" MATCHES "Makefile" AND CMAKE_MAKE_PROGRAM)

Tests/Complex/Library/test_preprocess.cmake

@@ -0,0 +1,7 @@
+SET(TEST_FILE CMakeFiles/create_file.dir/create_file.i)
+FILE(READ ${TEST_FILE} CONTENTS)
+IF("${CONTENTS}" MATCHES "Unable to close")
+  MESSAGE(STATUS "${TEST_FILE} created successfully!")
+ELSE("${CONTENTS}" MATCHES "Unable to close")
+  MESSAGE(FATAL_ERROR "${TEST_FILE} creation failed!")
+ENDIF("${CONTENTS}" MATCHES "Unable to close")

Tests/ComplexOneConfig/Library/CMakeLists.txt

@@ -103,3 +103,14 @@ SET_SOURCE_FILES_PROPERTIES(file2 PROPERTIES ABSTRACT 1)
 INSTALL_FILES(/tmp .h ${Complex_BINARY_DIR}/cmTestConfigure.h)
 INSTALL_FILES(/tmp .cxx ${Complex_BINARY_DIR}/cmTestConfigure.h)
 
+# Test generation of preprocessed sources.
+IF("${CMAKE_GENERATOR}" MATCHES "Makefile" AND CMAKE_MAKE_PROGRAM)
+  IF(CMAKE_CXX_CREATE_PREPROCESSED_SOURCE)
+    ADD_CUSTOM_TARGET(test_preprocess ALL
+      COMMAND ${CMAKE_COMMAND} -E remove CMakeFiles/create_file.dir/create_file.i
+      COMMAND ${CMAKE_MAKE_PROGRAM} create_file.i
+      COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/test_preprocess.cmake
+      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+      )
+  ENDIF(CMAKE_CXX_CREATE_PREPROCESSED_SOURCE)
+ENDIF("${CMAKE_GENERATOR}" MATCHES "Makefile" AND CMAKE_MAKE_PROGRAM)

Tests/ComplexOneConfig/Library/test_preprocess.cmake

@@ -0,0 +1,7 @@
+SET(TEST_FILE CMakeFiles/create_file.dir/create_file.i)
+FILE(READ ${TEST_FILE} CONTENTS)
+IF("${CONTENTS}" MATCHES "Unable to close")
+  MESSAGE(STATUS "${TEST_FILE} created successfully!")
+ELSE("${CONTENTS}" MATCHES "Unable to close")
+  MESSAGE(FATAL_ERROR "${TEST_FILE} creation failed!")
+ENDIF("${CONTENTS}" MATCHES "Unable to close")

Tests/ComplexRelativePaths/Library/CMakeLists.txt

@@ -103,3 +103,14 @@ SET_SOURCE_FILES_PROPERTIES(file2 PROPERTIES ABSTRACT 1)
 INSTALL_FILES(/tmp .h ${Complex_BINARY_DIR}/cmTestConfigure.h)
 INSTALL_FILES(/tmp .cxx ${Complex_BINARY_DIR}/cmTestConfigure.h)
 
+# Test generation of preprocessed sources.
+IF("${CMAKE_GENERATOR}" MATCHES "Makefile" AND CMAKE_MAKE_PROGRAM)
+  IF(CMAKE_CXX_CREATE_PREPROCESSED_SOURCE)
+    ADD_CUSTOM_TARGET(test_preprocess ALL
+      COMMAND ${CMAKE_COMMAND} -E remove CMakeFiles/create_file.dir/create_file.i
+      COMMAND ${CMAKE_MAKE_PROGRAM} create_file.i
+      COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/test_preprocess.cmake
+      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+      )
+  ENDIF(CMAKE_CXX_CREATE_PREPROCESSED_SOURCE)
+ENDIF("${CMAKE_GENERATOR}" MATCHES "Makefile" AND CMAKE_MAKE_PROGRAM)

Tests/ComplexRelativePaths/Library/test_preprocess.cmake

@@ -0,0 +1,7 @@
+SET(TEST_FILE CMakeFiles/create_file.dir/create_file.i)
+FILE(READ ${TEST_FILE} CONTENTS)
+IF("${CONTENTS}" MATCHES "Unable to close")
+  MESSAGE(STATUS "${TEST_FILE} created successfully!")
+ELSE("${CONTENTS}" MATCHES "Unable to close")
+  MESSAGE(FATAL_ERROR "${TEST_FILE} creation failed!")
+ENDIF("${CONTENTS}" MATCHES "Unable to close")