diff --git a/base-hw/lib/mk/vea9x4_core_support.mk b/base-hw/lib/mk/vea9x4_core_support.mk
index 0503eef504..6e471811c5 100644
--- a/base-hw/lib/mk/vea9x4_core_support.mk
+++ b/base-hw/lib/mk/vea9x4_core_support.mk
@@ -4,6 +4,9 @@
 # \date    2012-10-10
 #
 
+# avoid building of this lib with other platforms
+REQUIRES += platform_vea9x4
+
 BOARD_DIR = $(REP_DIR)/src/core/vea9x4
 
 # include generic part of core support
diff --git a/base-hw/lib/mk/vea9x4_platform_support.mk b/base-hw/lib/mk/vea9x4_platform_support.mk
index b971052dfc..e27f684861 100644
--- a/base-hw/lib/mk/vea9x4_platform_support.mk
+++ b/base-hw/lib/mk/vea9x4_platform_support.mk
@@ -8,6 +8,9 @@
 INC_DIR += $(REP_DIR)/src/core/include \
            $(BASE_DIR)/src/core/include
 
+# avoid building of this lib with other platforms
+REQUIRES += platform_vea9x4
+
 SRC_CC = platform_support.cc platform_services.cc
 
 vpath platform_support.cc  $(REP_DIR)/src/core/vea9x4