From: Hans Dedecker <dedeckeh@gmail.com>
Date: Sat, 3 Apr 2021 18:28:11 +0000 (+0200)
Subject: cmake: enable extra compiler checks
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e0d9a4b2c7b177588fa6dc812031840777692740;p=project%2Fodhcp6c.git

cmake: enable extra compiler checks

Let's catch enforced compiler errors during compilation

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a5b0cb3..94f279c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,8 +4,13 @@ cmake_policy(SET CMP0015 NEW)
 # Project Definition
 project(odhcp6c C)
 set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -std=c99")
-add_definitions(-D_GNU_SOURCE -Wall -Werror -Wextra -pedantic)
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3 -std=c99")
+add_definitions(-D_GNU_SOURCE -Os -Wall -Werror -pedantic)
+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(-Wno-unused-parameter -Wmissing-declarations)
 
 if(${EXT_PREFIX_CLASS})
 	add_definitions(-DEXT_PREFIX_CLASS=${EXT_PREFIX_CLASS})