include(CheckCXXCompilerFlag)
-if(CMAKE_CONFIGURATION_TYPES)
+if (CMAKE_CONFIGURATION_TYPES)
set(CMAKE_CONFIGURATION_TYPES Release RelWithDebInfo Debug Debugfull Profile)
set(CMAKE_CONFIGURATION_TYPES "${CMAKE_CONFIGURATION_TYPES}" CACHE STRING "These are the configuration types we support" FORCE)
endif()
set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_PROFILE QT_NO_DEBUG NDEBUG)
set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_MINSIZEREL QT_NO_DEBUG NDEBUG)
-if(NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_TYPE)
+if (NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_TYPE)
set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS QT_NO_DEBUG NDEBUG)
endif()
# Enable various flags on gcc
-if(CMAKE_COMPILER_IS_GNUCXX)
+if (CMAKE_COMPILER_IS_GNUCXX)
+ if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.7")
+ message(WARNING "Your compiler is too old; we expect at least GCC 4.7. Your build will likely fail.")
+ endif()
+
# Let's just hope that all gccs support these options and skip the tests...
# -fno-strict-aliasing is needed apparently for Qt < 4.6
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ansi -Wall -Wextra -Wnon-virtual-dtor -fno-strict-aliasing")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -Wextra -Wnon-virtual-dtor -fno-strict-aliasing -Wundef -Wcast-align -Wpointer-arith -Wformat-security -fno-check-new -fno-common")
# set(CMAKE_CXX_FLAGS_RELEASE "-O2") # use CMake default
# set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-g -O2") # use CMake default
set(CMAKE_CXX_FLAGS_DEBUG "-g -ggdb -O2 -fno-reorder-blocks -fno-schedule-insns -fno-inline")
set(CMAKE_CXX_FLAGS_DEBUGFULL "-g3 -ggdb -fno-inline")
set(CMAKE_CXX_FLAGS_PROFILE "-g3 -ggdb -fno-inline -ftest-coverage -fprofile-arcs")
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ansi -W -Wall -Wextra -Wnon-virtual-dtor -fno-strict-aliasing -Wundef -Wcast-align -Wpointer-arith -Wformat-security -fno-check-new -fno-common")
-
check_cxx_compiler_flag(-Woverloaded-virtual CXX_W_OVERLOADED_VIRTUAL)
if(CXX_W_OVERLOADED_VIRTUAL)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Woverloaded-virtual")
# Just for miniz
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-function -Wno-undef -fno-strict-aliasing")
-endif()
# ... and for Clang
-if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wextra -Wpointer-arith -Wformat-security -Woverloaded-virtual -fno-common -Werror=return-type")
+elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
+ if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "3.1")
+ message(WARNING "Your compiler is too old; we expect at least Clang 3.1. Your build will likely fail.")
+ endif()
+
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wextra -Wpointer-arith -Wformat-security -Woverloaded-virtual -fno-common -Wno-deprecated-register")
# set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG -DQT_NO_DEBUG") # Use CMake default
# set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG -DQT_NO_DEBUG") # Use CMake default
set(CMAKE_CXX_FLAGS_DEBUG "-g -O2 -fno-inline")
set(CMAKE_CXX_FLAGS_PROFILE "-g3 -fno-inline -ftest-coverage -fprofile-arcs")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-function -Wno-undef -fno-strict-aliasing")
+
+# For MSVC, at least do a version sanity check
+elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "MSVC")
+ if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "18.0")
+ message(WARNING "Your compiler is too old; we expect at least Visual Studio Nov 2013 CTP (MSVC 18). Your build will likely fail.")
+ endif()
+
+# Unknown/unsupported compiler
+else()
+ message(WARNING "Unknown or unsupported compiler. Make sure to enable C++11 support. Good luck.")
endif()
# Mac build stuff
-if(APPLE AND DEPLOY)
+if (APPLE AND DEPLOY)
set(CMAKE_OSX_ARCHITECTURES "x86_64")
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.6")
- set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX10.6.sdk/")
- add_definitions(-DMAC_10_6_SDK)
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.8")
+ set(CMAKE_OSX_SYSROOT "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.8.sdk")
endif()