add -Wextra only if compiler supports it

This commit is contained in:
Gael Guennebaud 2009-05-06 08:15:54 +00:00
parent 834eb5bfc8
commit 23f073625d

View File

@ -17,6 +17,8 @@ endif(EIGEN_SVN_REVISION)
cmake_minimum_required(VERSION 2.6.2) cmake_minimum_required(VERSION 2.6.2)
include(CheckCXXCompilerFlag)
set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake) set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
option(EIGEN_BUILD_TESTS "Build tests" OFF) option(EIGEN_BUILD_TESTS "Build tests" OFF)
@ -34,7 +36,13 @@ set(CMAKE_INCLUDE_CURRENT_DIR ON)
if(CMAKE_COMPILER_IS_GNUCXX) if(CMAKE_COMPILER_IS_GNUCXX)
if(CMAKE_SYSTEM_NAME MATCHES Linux) if(CMAKE_SYSTEM_NAME MATCHES Linux)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Wno-long-long -ansi -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wwrite-strings -Wformat-security -Wextra -fno-exceptions -fno-check-new -fno-common -fstrict-aliasing") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Wno-long-long -ansi -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wwrite-strings -Wformat-security -fno-exceptions -fno-check-new -fno-common -fstrict-aliasing")
check_cxx_compiler_flag("-Wextra" COMPILER_SUPPORT_WEXTRA)
if(COMPILER_SUPPORT_WEXTRA)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wextra")
endif()
if(NOT EIGEN_TEST_LIB) if(NOT EIGEN_TEST_LIB)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic")
endif(NOT EIGEN_TEST_LIB) endif(NOT EIGEN_TEST_LIB)