cmake: enable hardening compiler flags and fix the reported issues

[oweals/ucert.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 14888ac3813524e45a4d51e7d6a5d6588d0f5e91..436abc6857b3c1082e0d006239b3dee1d83e0fda 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,13 @@
 cmake_minimum_required(VERSION 2.6)
 
 PROJECT(ucert C)
-ADD_DEFINITIONS(-Os -ggdb -Wall --std=gnu99 -Wmissing-declarations)
+
+ADD_DEFINITIONS(-Wall -Werror)
+IF(CMAKE_C_COMPILER_VERSION VERSION_GREATER 6)
+       ADD_DEFINITIONS(-Wextra -Werror=implicit-function-declaration)
+       ADD_DEFINITIONS(-Wformat -Werror=format-security -Werror=format-nonliteral)
+ENDIF()
+ADD_DEFINITIONS(-Os -std=gnu99 -ggdb -Wmissing-declarations -Wno-unused-parameter)
 
 SET(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")