From: Hans Dedecker <dedeckeh@gmail.com>
Date: Sat, 3 Apr 2021 18:54:57 +0000 (+0200)
Subject: cmake: enforce additonal compiler checks
X-Git-Url: http://git.openwrt.org/?p=project%2Fodhcpd.git;a=commitdiff_plain;h=ebd4297fc8317a426a6c0faea1cbba2e523270d4;ds=sidebyside

cmake: enforce additonal compiler checks

Let's catch compile errors by enabling extra compiler checks

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

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3c3e0ae..828fa71 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,7 @@ cmake_policy(SET CMP0015 NEW)
 project(odhcpd C)
 
 set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -std=gnu99")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3 -std=gnu99")
 
 FIND_PATH(ubox_include_dir libubox/uloop.h)
 FIND_PATH(libnl-tiny_include_dir netlink-generic.h PATH_SUFFIXES libnl-tiny)
@@ -13,7 +13,13 @@ INCLUDE_DIRECTORIES(${ubox_include_dir} ${libnl-tiny_include_dir})
 
 FIND_LIBRARY(libnl NAMES nl-tiny)
 
-add_definitions(-D_GNU_SOURCE --std=gnu99 -Wall -Werror -Wextra -Wmissing-declarations -Wno-unused-parameter)
+add_definitions(-D_GNU_SOURCE -Os -Wall -Werror --std=gnu99)
+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 (${EXT_CER_ID})
 	add_definitions(-DEXT_CER_ID=${EXT_CER_ID})