cmake: add more hardening compiler flags

In order to spot possible issues with direct impact on security during
QA on CI (GCC version 6 and higher).

Ref: https://developers.redhat.com/blog/2018/03/21/compiler-and-linker-flags-gcc/
Signed-off-by: Petr Štetiar <ynezz@true.cz>
This commit is contained in:
Petr Štetiar 2019-12-07 13:29:05 +01:00
parent 46f8268b4b
commit f804578847

View file

@ -6,7 +6,8 @@ PROJECT(ubox C)
ADD_DEFINITIONS(-Wall -Werror)
IF(CMAKE_C_COMPILER_VERSION VERSION_GREATER 6)
ADD_DEFINITIONS(-Wextra)
ADD_DEFINITIONS(-Wextra -Werror=implicit-function-declaration)
ADD_DEFINITIONS(-Wformat -Werror=format-security -Werror=format-nonliteral)
ENDIF()
ADD_DEFINITIONS(-Os -std=gnu99 -g3 -Wmissing-declarations -Wno-unused-parameter)