Add ability to include a file in a project via a cache variable.

If a variable exists called CMAKE_PROJECT_<projectName>_INCLUDE,
the file pointed to by that variable will be included as the last step
of the project command.

4 files changed, 15 insertions, 1 deletions

diff --git a/Tests/CMakeOnly/CMakeLists.txt b/Tests/CMakeOnly/CMakeLists.txt
index 4407efb..629f578 100644
--- a/Tests/CMakeOnly/CMakeLists.txt
+++ b/Tests/CMakeOnly/CMakeLists.txt
@@ -22,3 +22,11 @@ add_CMakeOnly_test(CheckLanguage)
 add_CMakeOnly_test(AllFindModules)
 
 add_CMakeOnly_test(TargetScope)
+
+add_CMakeOnly_test(ProjectInclude)
+
+add_test(CMakeOnly.ProjectInclude ${CMAKE_CMAKE_COMMAND}
+  -DTEST=ProjectInclude
+  -DCMAKE_ARGS=-DCMAKE_PROJECT_ProjectInclude_INCLUDE=${CMAKE_CURRENT_SOURCE_DIR}/ProjectInclude/include.cmake
+  -P ${CMAKE_CURRENT_BINARY_DIR}/Test.cmake
+  )
diff --git a/Tests/CMakeOnly/ProjectInclude/CMakeLists.txt b/Tests/CMakeOnly/ProjectInclude/CMakeLists.txt
new file mode 100644
index 0000000..a9abb4a
--- /dev/null
+++ b/Tests/CMakeOnly/ProjectInclude/CMakeLists.txt
@@ -0,0 +1,4 @@
+project(ProjectInclude)
+if(NOT AUTO_INCLUDE)
+  message(FATAL_ERROR "include file not found")
+endif()
diff --git a/Tests/CMakeOnly/ProjectInclude/include.cmake b/Tests/CMakeOnly/ProjectInclude/include.cmake
new file mode 100644
index 0000000..527ebe7
--- /dev/null
+++ b/Tests/CMakeOnly/ProjectInclude/include.cmake
@@ -0,0 +1 @@
+set(AUTO_INCLUDE TRUE)
diff --git a/Tests/CMakeOnly/Test.cmake.in b/Tests/CMakeOnly/Test.cmake.in
index aa2d093..42af068 100644
--- a/Tests/CMakeOnly/Test.cmake.in
+++ b/Tests/CMakeOnly/Test.cmake.in
@@ -3,7 +3,8 @@ set(binary_dir "@CMAKE_CURRENT_BINARY_DIR@/${TEST}-build")
 file(REMOVE_RECURSE "${binary_dir}")
 file(MAKE_DIRECTORY "${binary_dir}")
 execute_process(
-  COMMAND ${CMAKE_COMMAND} "${source_dir}" -G "@CMAKE_TEST_GENERATOR@"
+  COMMAND  ${CMAKE_COMMAND} ${CMAKE_ARGS}
+  "${source_dir}" -G "@CMAKE_TEST_GENERATOR@"
   WORKING_DIRECTORY "${binary_dir}"
   RESULT_VARIABLE result
   )