diff -Naurp a/build/linux/common/makefile.base b/build/linux/common/makefile.base
--- a/build/linux/common/makefile.base	2018-07-12 13:14:54.000000000 +0000
+++ b/build/linux/common/makefile.base	2019-06-09 13:48:00.616470452 +0000
@@ -47,8 +47,8 @@ endif
 
 # default cpp flags for all configurations
 #CPPFLAGS          = -Wall $(DEFS) -I$(CURDIR)/$(INC_DIR) $(USER_INC_DIRS)
-CPPFLAGS          = $(DEFS) -I$(CURDIR)/$(INC_DIR) $(USER_INC_DIRS) -Wall -Wshadow -Wno-sign-compare -Werror -std=c++11
-CFLAGS          = $(DEFS) -I$(CURDIR)/$(INC_DIR) $(USER_INC_DIRS) -Wall -Wshadow -Wno-sign-compare -Werror
+CPPFLAGS          = $(DEFS) -I$(CURDIR)/$(INC_DIR) $(USER_INC_DIRS) -Wall -Wshadow -Wno-sign-compare -std=c++11
+CFLAGS          = $(DEFS) -I$(CURDIR)/$(INC_DIR) $(USER_INC_DIRS) -Wall -Wshadow -Wno-sign-compare
 
 ########## 
 # enforce 32-bit build : 1=yes, 0=no