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Check for GCC 4.7 or above

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To prevent compilation errors beforehand.
This commit is contained in:
Bim Overbohm 2013-05-22 19:15:44 +02:00
parent c989aae1c3
commit 50af655fe9
1 changed files with 6 additions and 0 deletions
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6
CMakeLists.txt
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@ -57,6 +57,12 @@ if(MSVC)
endif() endif()
if(CMAKE_COMPILER_IS_GNUCXX) if(CMAKE_COMPILER_IS_GNUCXX)
#check for GCC 4.7+
execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
if (GCC_VERSION VERSION_LESS 4.7)
message(SEND_ERROR "You need at least GCC 4.7 to compile EmulationStation!")
endif()
#set up compiler flags for GCC
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -O2") #support C++11 for std::, optimize set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -O2") #support C++11 for std::, optimize
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s") #strip binary set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s") #strip binary
endif() endif()