diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 339e633..7e19ba0 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -47,10 +47,27 @@ if(NOT CMAKE_BUILD_TYPE) endif() # Global compile flags -# These are specific to GCC/MinGW; for other compilers, change as necessary -set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wold-style-cast -std=c++11") -set(CMAKE_CXX_FLAGS_RELEASE "-O2") -set(CMAKE_CXX_FLAGS_DEBUG "-g -O0") +# These are specific to GCC/MinGW/clang; for other compilers, change as necessary +# The flags are used throughout src/ subdir +set(COLOBOT_CXX_FLAGS "${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() + message(STATUS "Detected GCC version 4.6+") + endif() +elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang") + message(STATUS "Detected Clang compiler") +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() # Asserts can be enabled/disabled regardless of build type option(ASSERTS "Enable assert()s" ON) |