libapi: Define _FORTIFY_SOURCE as 2, not empty

Signed-off-by: Ben Hutchings <benh@debian.org>
Gbp-Pq: Topic bugfix/all
Gbp-Pq: Name libapi-define-_fortify_source-as-2-not-empty.patch

diff --git a/tools/lib/api/Makefile b/tools/lib/api/Makefile
index a13e9c7f1fc5007d130807d75aa0a0a0120ddb0f..a0bdc2487596f9945abeab4640e259ec62436503 100644 (file)
--- a/tools/lib/api/Makefile
+++ b/tools/lib/api/Makefile
@@ -29,7 +29,7 @@ endif
 endif
 
 ifeq ($(DEBUG),0)
-  CFLAGS += -D_FORTIFY_SOURCE
+  CFLAGS += -D_FORTIFY_SOURCE=2
 endif
 
 # Treat warnings as errors unless directed not to