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Verify compiler version before building anything (#6293)
GCC 4.9 and Clang 3.4 are the minimum
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@ -11,6 +11,8 @@ set(PROJECT_NAME_CAPITALIZED "Minetest")
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# Works only for cmake 3.1 and greater
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set(CMAKE_CXX_STANDARD 11)
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set(GCC_MINIMUM_VERSION "4.8")
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set(CLANG_MINIMUM_VERSION "3.4")
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# Also remember to set PROTOCOL_VERSION in network/networkprotocol.h when releasing
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set(VERSION_MAJOR 0)
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@ -203,6 +205,23 @@ find_package(GMP REQUIRED)
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find_package(Json REQUIRED)
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find_package(Lua REQUIRED)
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# JsonCPP doesn't compile well on GCC 4.8
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if(NOT ENABLE_SYSTEM_JSONCPP)
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set(GCC_MINIMUM_VERSION "4.9")
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endif()
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if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "${GCC_MINIMUM_VERSION}")
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message(FATAL_ERROR "Insufficient gcc version, found ${CMAKE_CXX_COMPILER_VERSION}. "
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"Version ${GCC_MINIMUM_VERSION} or higher is required.")
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endif()
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "${CLANG_MINIMUM_VERSION}")
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message(FATAL_ERROR "Insufficient clang version, found ${CMAKE_CXX_COMPILER_VERSION}. "
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"Version ${CLANG_MINIMUM_VERSION} or higher is required.")
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endif()
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endif()
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# Subdirectories
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# Be sure to add all relevant definitions above this
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