Introduce EXCLUDE option to add_subdirectories (#1156)

Now, user can request add_subdirectories not to include some
directories.

Note that there is no change in the default behavior.

Signed-off-by: Jonghyun Park <jh1302.park@samsung.com>

diff --git a/cmake/modules/add_subdirectories.cmake b/cmake/modules/add_subdirectories.cmake
index 10b272b..6b08deb 100644 (file)
--- a/cmake/modules/add_subdirectories.cmake
+++ b/cmake/modules/add_subdirectories.cmake
@@ -1,10 +1,15 @@
 function(add_subdirectories)
+  cmake_parse_arguments(ARG "" "" "EXCLUDES" ${ARGN})
+
   file(GLOB PROJECT_FILES
             RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
             "*/CMakeLists.txt")
 
   foreach(PROJECT_FILE IN ITEMS ${PROJECT_FILES})
     get_filename_component(PROJECT_DIR ${PROJECT_FILE} DIRECTORY)
-    add_subdirectory(${PROJECT_DIR})
+    list(FIND ARG_EXCLUDES ${PROJECT_DIR} PROJECT_INDEX)
+    if(${PROJECT_INDEX} EQUAL -1)
+      add_subdirectory(${PROJECT_DIR})
+    endif(${PROJECT_INDEX} EQUAL -1)
   endforeach(PROJECT_FILE)
 endfunction(add_subdirectories)