GLOBAL property instead of cache var to handle project targets

Didn't find the property GlobalTargetList even in cmake 3.8. So using the existing
variable.

Change-Id: I2851d54d11daf2462321e234c577fde911d078ee
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

diff --git a/reference/etc/macros.cmake b/reference/etc/macros.cmake
index e2ed2f0..2d04d34 100644 (file)
--- a/reference/etc/macros.cmake
+++ b/reference/etc/macros.cmake
@@ -28,16 +28,8 @@
 # Generic useful macro
 # -----------------------
 macro(PROJECT_TARGET_ADD TARGET_NAME)
-       set(PROJECT_TARGETS ${PROJECT_TARGETS} ${TARGET_NAME} CACHE INTERNAL PROJECT_TARGETS)
+       set_property(GLOBAL APPEND PROPERTY PROJECT_TARGETS ${TARGET_NAME})
        set(TARGET_NAME ${TARGET_NAME})
-
-       # Cmake does not maintain targets list before 3.7
-       # -------------------------------------------------
-       if(${CMAKE_VERSION} VERSION_LESS 3.7)
-               set(GLOBAL_TARGET_LIST ${PROJECT_TARGETS} CACHE INTERNAL "Hold project targets")
-       else()
-               get_property(GLOBAL_TARGET_LIST GLOBAL PROPERTY GlobalTargetList)
-       endif()
 endmacro(PROJECT_TARGET_ADD)
 
 # Check GCC minimal version version
@@ -258,11 +250,11 @@ endif()
 # Print developer helper message when build is done
 # -------------------------------------------------------
 macro(project_closing_msg)
-       if(CLOSING_MESSAGE AND GLOBAL_TARGET_LIST)
+       if(CLOSING_MESSAGE AND PROJECT_TARGETS)
                add_custom_target(${PROJECT_NAME}_build_done ALL
                        COMMAND ${CMAKE_COMMAND} -E cmake_echo_color --cyan "++ ${CLOSING_MESSAGE}"
                )
                 add_dependencies(${PROJECT_NAME}_build_done
-                       ${DEPENDENCIES_TARGET} ${GLOBAL_TARGET_LIST})
+                       ${DEPENDENCIES_TARGET} ${PROJECT_TARGETS})
        endif()
 endmacro()