Fixed warnings on systems that define _FORTIFY_SOURCE by default.

diff --git a/frontend/Makefile b/frontend/Makefile
index a296688..12006a3 100644 (file)
--- a/frontend/Makefile
+++ b/frontend/Makefile
@@ -69,9 +69,9 @@ endif
 
 ifeq ($(DEBUG),0)
 ifeq ($(SANITIZE),)
-  CXXFLAGS += -O3 -DNDEBUG -D_FORTIFY_SOURCE=1
+  CXXFLAGS += -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -DNDEBUG
 else
-  CXXFLAGS += -O1 -D_FORTIFY_SOURCE=0 -fsanitize=$(SANITIZE) -fno-omit-frame-pointer
+  CXXFLAGS += -O1 -U_FORTIFY_SOURCE -fsanitize=$(SANITIZE) -fno-omit-frame-pointer
   LDFLAGS  += -fsanitize=$(SANITIZE)
 endif
   CXXFLAGS += -march=$(MARCH) -mtune=$(MTUNE)

diff --git a/libmhash384/Makefile b/libmhash384/Makefile
index 663175f..74d4862 100644 (file)
--- a/libmhash384/Makefile
+++ b/libmhash384/Makefile
@@ -33,9 +33,9 @@ CXXFLAGS += -std=gnu++11 -Iinclude
 
 ifeq ($(DEBUG),0)
 ifeq ($(SANITIZE),)
-  CXXFLAGS += -O3 -DNDEBUG -D_FORTIFY_SOURCE=1
+  CXXFLAGS += -O3 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -DNDEBUG
 else
-  CXXFLAGS += -O1 -D_FORTIFY_SOURCE=0 -fsanitize=$(SANITIZE) -fno-omit-frame-pointer
+  CXXFLAGS += -O1 -U_FORTIFY_SOURCE -fsanitize=$(SANITIZE) -fno-omit-frame-pointer
 endif
   CXXFLAGS += -march=$(MARCH) -mtune=$(MTUNE)
 else