[HICN-430] Rework on CMake

Change way targets are defined: each project defines targets.
Fix project BUILD flags
Add build-extras bash script
Rework build tree of extras folder, using ExternalProject_Add

Change-Id: I82fa29896e54c8a033490eba013c3f0431bec9d0
Signed-off-by: Mauro Sardara <msardara@cisco.com>

3 files changed, 42 insertions, 31 deletions

diff --git a/ctrl/facemgr/CMakeLists.txt b/ctrl/facemgr/CMakeLists.txt
index 63a5f3c84..db40eade3 100644
--- a/ctrl/facemgr/CMakeLists.txt
+++ b/ctrl/facemgr/CMakeLists.txt
@@ -62,11 +62,12 @@ set(CMAKE_INSTALL_RPATH_USE_LINK_PATH ON)
 find_package_wrapper(Config REQUIRED)
 find_package_wrapper(LibEvent REQUIRED)
 
+set(FACEMGR facemgr CACHE INTERNAL "" FORCE)
+set(LIBFACEMGR facemgr CACHE INTERNAL "" FORCE)
+
 if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
   find_package_wrapper(Libhicn REQUIRED)
   find_package_wrapper(Libhicnctrl REQUIRED)
-  set(FACEMGR facemgr)
-  set(LIBFACEMGR facemgr)
 else()
   if (${CMAKE_SYSTEM_NAME} STREQUAL "Android")
     set(HICN_LIBRARIES ${LIBHICN_STATIC} log)
diff --git a/ctrl/libhicnctrl/CMakeLists.txt b/ctrl/libhicnctrl/CMakeLists.txt
index 08441075b..d0a4bbef3 100644
--- a/ctrl/libhicnctrl/CMakeLists.txt
+++ b/ctrl/libhicnctrl/CMakeLists.txt
@@ -33,22 +33,29 @@ set(CMAKE_C_STANDARD_REQUIRED ON)
 
 set(CMAKE_MACOSX_RPATH ON)
 
+
+set(LIBHICNCTRL hicnctrl)
+
+if (BUILD_HICNPLUGIN AND "${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
+  set(LIBHICNCTRL ${LIBHICNCTRL}-memif PARENT_SCOPE)
+  set(LINK_FLAGS "-Wl,-unresolved-symbols=ignore-in-shared-libs")
+  list(APPEND HICN_LIBRARIES ${HICNPLUGIN_LIBRARIES})
+endif()
+
+set(LIBHICNCTRL ${LIBHICNCTRL} CACHE INTERNAL "" FORCE)
+set(LIBHICNCTRL_SHARED ${LIBHICNCTRL}.shared CACHE INTERNAL "" FORCE)
+set(LIBHICNCTRL_STATIC ${LIBHICNCTRL}.static CACHE INTERNAL "" FORCE)
+set(HICNCTRL hicnctrl CACHE INTERNAL "" FORCE)
+set(LIBHICNCTRL_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/includes CACHE INTERNAL "" FORCE)
+
 if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
-  set(HICNCTRL hicnctrl)
-  set(LIBHICNCTRL hicnctrl)
   if (BUILD_HICNPLUGIN AND "${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
-    set(LIBHICNCTRL ${LIBHICNCTRL}-memif)
     find_package_wrapper(HicnPlugin REQUIRED)
-    list(APPEND HICN_LIBRARIES ${HICNPLUGIN_LIBRARIES})
-    set(LINK_FLAGS "-Wl,-unresolved-symbols=ignore-in-shared-libs")
   endif()
 
   find_package_wrapper(Libhicn REQUIRED)
   list(APPEND HICN_LIBRARIES ${LIBHICN_SHARED})
 
-  set(LIBHICNCTRL_SHARED ${LIBHICNCTRL}.shared)
-  set(LIBHICNCTRL_STATIC ${LIBHICNCTRL}.static)
-
   set(HICN_INCLUDE_DIRS
       ${HICN_INCLUDE_DIRS}
       ${HICNPLUGIN_INCLUDE_DIRS})
@@ -60,12 +67,11 @@ else()
       ${LIBHICN_STATIC}
     )
   elseif (BUILD_HICNPLUGIN AND "${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
-    set(HICN_INCLUDE_DIRS
-        ${HICN_INCLUDE_DIRS}
-        ${HICNPLUGIN_INCLUDE_DIRS})
-
-    set(HICN_LIBRARIES ${HICNPLUGIN_LIBRARIES})
-    set(LINK_FLAGS "-Wl,-unresolved-symbols=ignore-in-shared-libs")
+    set(
+      HICN_INCLUDE_DIRS
+      ${HICN_INCLUDE_DIRS}
+      ${HICNPLUGIN_INCLUDE_DIRS}
+    )
 
     list(APPEND DEPENDENCIES
         hicn_plugin
diff --git a/ctrl/sysrepo-plugins/CMakeLists.txt b/ctrl/sysrepo-plugins/CMakeLists.txt
index d87319f06..1a9bca18c 100644
--- a/ctrl/sysrepo-plugins/CMakeLists.txt
+++ b/ctrl/sysrepo-plugins/CMakeLists.txt
@@ -26,30 +26,34 @@ include(BuildMacros)
 find_package(PkgConfig REQUIRED)
 find_package(Sysrepo REQUIRED)
 
+if (NOT "${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
+  message(FATAL_ERROR "Sysrepo plugin supported only on Linux systems")
+endif()
+
 if (NOT SRPD_PLUGINS_PATH)
-    if (PKG_CONFIG_FOUND)
-        execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE} "--variable=SRPD_PLUGINS_PATH" "libsysrepo" OUTPUT_VARIABLE SRPD_PLUGINS_PATH)
-        string(STRIP ${SRPD_PLUGINS_PATH} SRPD_PLUGINS_PATH)
-    endif()
+  if (PKG_CONFIG_FOUND)
+    execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE} "--variable=SRPD_PLUGINS_PATH" "libsysrepo" OUTPUT_VARIABLE SRPD_PLUGINS_PATH)
+    string(STRIP ${SRPD_PLUGINS_PATH} SRPD_PLUGINS_PATH)
+  endif()
 endif()
+
 if (NOT SRPD_PLUGINS_PATH)
-    message(FATAL_ERROR "Cannot get sysrepo plugins directory due to missing pkg-config, set SRPD_PLUGINS_PATH manually.")
+  message(FATAL_ERROR "Cannot get sysrepo plugins directory due to missing pkg-config, set SRPD_PLUGINS_PATH manually.")
 endif()
 
 if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
-   find_package(Vpp REQUIRED)
-   find_package(HicnPlugin REQUIRED)
-   find_package(Libhicn REQUIRED)
-   add_subdirectory(hicn-plugin)
+  find_package(Vpp REQUIRED)
+  find_package(HicnPlugin REQUIRED)
+  find_package(Libhicn REQUIRED)
 else()
-    if (BUILD_HICNPLUGIN AND "${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
-        list(APPEND DEPENDENCIES
-            hicn_plugin)
-	add_subdirectory(hicn-plugin)
-    endif ()
+  list(APPEND DEPENDENCIES
+    ${LIBHICN_SHARED}
+    ${LIBHICN_STATIC}
+    hicn_plugin
+  )
 endif()
 
-# add subdirectories
+add_subdirectory(hicn-plugin)
 
 include(Packaging)
 if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)