Add BUILD_IDLC_ONLY option to only build the IDL preprocessor

CMakeLists.txt

@@ -38,6 +38,15 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake/Modules")
 
 option(BUILD_IDLC "Build IDL preprocessor" ${not_crosscompiling})
 option(BUILD_DDSPERF "Build ddsperf tool" ${not_crosscompiling})
+option(BUILD_IDLC_ONLY "Only build the IDLC preprocessor" OFF)
+
+if(BUILD_IDLC_ONLY)
+  set(BUILD_DDSPERF NO)
+  set(ENABLE_SECURITY NO)
+  set(BUILD_EXAMPLES NO)
+  set(BUILD_IDLC_XTESTS NO)
+  set(BUILD_TESTING OFF)
+endif()
 
 set(CMAKE_C_STANDARD 99)
 if(CMAKE_SYSTEM_NAME STREQUAL "VxWorks")

src/CMakeLists.txt

@@ -96,10 +96,19 @@ if(NOT ENABLE_SECURITY)
   message(STATUS "Building without OMG DDS Security support")
 endif()
 
-add_subdirectory(tools)
-add_subdirectory(ddsrt)
-if(BUILD_IDLC)
+if(BUILD_IDLC_ONLY)
   add_subdirectory(idl)
+  add_subdirectory(core)
+  add_subdirectory(ddsrt)
+  add_subdirectory(tools/idlc)
+  add_subdirectory(tools/idlpp)
+  add_subdirectory(tools/_confgen)
+else()
+  add_subdirectory(tools)
+  add_subdirectory(ddsrt)
+  if(BUILD_IDLC)
+    add_subdirectory(idl)
+  endif()
+  add_subdirectory(security)
+  add_subdirectory(core)
 endif()
-add_subdirectory(security)
-add_subdirectory(core)