Index: dbxtool-8/.syntastic_c_config
===================================================================
--- dbxtool-8.orig/.syntastic_c_config
+++ dbxtool-8/.syntastic_c_config
@@ -11,6 +11,7 @@
 -Werror
 -Wextra
 -Werror=format-security
+-Wp,-U_FORTIFY_SOURCE
 -Wp,-D_FORTIFY_SOURCE=2
 -fexceptions
 -fstack-protector-strong
Index: dbxtool-8/Make.defaults
===================================================================
--- dbxtool-8.orig/Make.defaults
+++ dbxtool-8/Make.defaults
@@ -10,7 +10,7 @@ BUILDFLAGS = $(CFLAGS) -fPIC -fshort-wch
 		-Wall -Wextra -Werror -Werror=format-security \
 		-Wsign-compare -Werror=sign-compare \
 		-Wno-unused-result -Wno-unused-function -Wno-error=cpp \
-		-Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong \
+		-Wp,-U_FORTIFY_SOURCE -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong \
 		--param=ssp-buffer-size=4 -fexceptions
 ASFLAGS    =
 LDFLAGS	   = -nostdlib