Adding printf format warning flags to makefiles
Add printf format warning flags that are supported by GCC 3.0 or later
to the makefiles
Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/library/Makefile b/library/Makefile
index 903dc0d..6bb9c17 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -2,7 +2,7 @@
# Also see "include/mbedtls/config.h"
CFLAGS ?= -O2
-WARNING_CFLAGS ?= -Wall -Wextra
+WARNING_CFLAGS ?= -Wall -Wextra -Wformat=2 -Wno-format-nonliteral
LDFLAGS ?=
# Include ../include for public headers and . for private headers.
diff --git a/programs/Makefile b/programs/Makefile
index e0a324f..9033875 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -3,8 +3,8 @@
# To compile with PKCS11: add "-lpkcs11-helper" to LDFLAGS
CFLAGS ?= -O2
-WARNING_CFLAGS ?= -Wall -Wextra
-WARNING_CXXFLAGS ?= -Wall -Wextra
+WARNING_CFLAGS ?= -Wall -Wextra -Wformat=2 -Wno-format-nonliteral
+WARNING_CXXFLAGS ?= -Wall -Wextra -Wformat=2 -Wno-format-nonliteral
LDFLAGS ?=
MBEDTLS_TEST_PATH:=../tests/src
diff --git a/tests/Makefile b/tests/Makefile
index d11d904..d250d71 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -3,7 +3,7 @@
# To compile with PKCS11: add "-lpkcs11-helper" to LDFLAGS
CFLAGS ?= -O2
-WARNING_CFLAGS ?= -Wall -Wextra
+WARNING_CFLAGS ?= -Wall -Wextra -Wformat=2 -Wno-format-nonliteral
LDFLAGS ?=
# Include public header files from ../include, test-specific header files
