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Use correct C++11/C++0x flags depending on the used compiler 

See http://gcc.gnu.org/projects/cxx0x.html for details.
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Didier Raboud 2013-01-10 09:48:15 +01:00
parent 3c94a69870
commit 4444fde9d7
1 changed files with 15 additions and 10 deletions
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25
CMakeLists.txt
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@ -46,29 +46,34 @@ if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE debug)
endif()
# Global compile flags
# These are specific to GCC/MinGW/clang; for other compilers, change as necessary
# The flags are used throughout src/ subdir
set(COLOBOT_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wold-style-cast -std=c++11")
set(COLOBOT_CXX_FLAGS_RELEASE "-O2")
set(COLOBOT_CXX_FLAGS_DEBUG "-g -O0")
# Compiler detection
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
execute_process(
COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
if (NOT (GCC_VERSION VERSION_GREATER 4.6 OR GCC_VERSION VERSION_EQUAL 4.6))
message(FATAL_ERROR "${PROJECT_NAME} requires GCC 4.6 or greater.")
else()
if (GCC_VERSION VERSION_GREATER 4.7 OR GCC_VERSION VERSION_EQUAL 4.7)
message(STATUS "Detected GCC version 4.7+")
set(CXX11_FLAGS "-std=c++11")
elseif (GCC_VERSION VERSION_GREATER 4.6 OR GCC_VERSION VERSION_EQUAL 4.6)
message(STATUS "Detected GCC version 4.6+")
set(CXX11_FLAGS "-std=c++0x")
else()
message(FATAL_ERROR "${PROJECT_NAME} requires GCC 4.6 or greater.")
endif()
elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
message(STATUS "Detected Clang compiler")
set(CXX11_FLAGS "-std=c++11")
else()
message(FATAL_ERROR "Your C++ compiler doesn't seem to support C++11.\n"
"Supported compilers at this time are GCC 4.6+ and clang.")
endif()
# Global compile flags
# These are specific to GCC/MinGW/clang; for other compilers, change as necessary
# The flags are used throughout src/ subdir
set(COLOBOT_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wold-style-cast ${CXX11_FLAGS}")
set(COLOBOT_CXX_FLAGS_RELEASE "-O2")
set(COLOBOT_CXX_FLAGS_DEBUG "-g -O0")
# Asserts can be enabled/disabled regardless of build type
option(ASSERTS "Enable assert()s" ON)