cmake: use extra compiler warnings only on gcc6+

gcc version 4.8.4 (Ubuntu 14.04) and -Wextra produces following:

 json_script.c:124:3: error: missing initializer for field 'name' of 'struct blobmsg_policy' [-Werror=missing-field-initializers]

Reported-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Petr Štetiar <ynezz@true.cz>
This commit is contained in:
Petr Štetiar 2019-11-26 08:32:57 +01:00
parent 07413cce72
commit eb216a9524

View file

@ -3,7 +3,12 @@ INCLUDE(CheckLibraryExists)
INCLUDE(CheckFunctionExists) INCLUDE(CheckFunctionExists)
PROJECT(ubox C) PROJECT(ubox C)
ADD_DEFINITIONS(-Os -Wextra -Wall -Werror --std=gnu99 -g3 -Wmissing-declarations -Wno-unused-parameter)
ADD_DEFINITIONS(-Wall -Werror)
IF(CMAKE_C_COMPILER_VERSION VERSION_GREATER 6)
ADD_DEFINITIONS(-Wextra)
ENDIF()
ADD_DEFINITIONS(-Os -std=gnu99 -g3 -Wmissing-declarations -Wno-unused-parameter)
OPTION(BUILD_LUA "build Lua plugin" ON) OPTION(BUILD_LUA "build Lua plugin" ON)
OPTION(BUILD_EXAMPLES "build examples" ON) OPTION(BUILD_EXAMPLES "build examples" ON)