mirror of
				https://github.com/ethereum/solidity
				synced 2023-10-03 13:03:40 +00:00 
			
		
		
		
	This copies jsoncpp.cmake from ethereum/cpp-dependencies repo and adds BUILD_BYPRODUCT information to ExternalProject configuration (required by Ninja).
		
			
				
	
	
		
			51 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
include(ExternalProject)
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if (${CMAKE_SYSTEM_NAME} STREQUAL "Emscripten")
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    set(JSONCPP_CMAKE_COMMAND emcmake cmake)
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else()
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    set(JSONCPP_CMAKE_COMMAND ${CMAKE_COMMAND})
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endif()
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# Disable implicit fallthrough warning in jsoncpp for gcc >= 7 until the upstream handles it properly
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if (("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0)
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    set(JSONCCP_EXTRA_FLAGS -Wno-implicit-fallthrough)
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else()
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    set(JSONCCP_EXTRA_FLAGS "")
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endif()
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set(prefix "${CMAKE_BINARY_DIR}/deps")
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set(JSONCPP_LIBRARY "${prefix}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}jsoncpp${CMAKE_STATIC_LIBRARY_SUFFIX}")
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set(JSONCPP_INCLUDE_DIR "${prefix}/include")
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set(byproducts "")
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if(CMAKE_VERSION VERSION_GREATER 3.1)
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    set(byproducts BUILD_BYPRODUCTS "${JSONCPP_LIBRARY}")
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endif()
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ExternalProject_Add(jsoncpp-project
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    PREFIX "${prefix}"
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    DOWNLOAD_NAME jsoncpp-1.7.7.tar.gz
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    URL https://github.com/open-source-parsers/jsoncpp/archive/1.7.7.tar.gz
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    URL_HASH SHA256=087640ebcf7fbcfe8e2717a0b9528fff89c52fcf69fa2a18cc2b538008098f97
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    CMAKE_COMMAND ${JSONCPP_CMAKE_COMMAND}
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    CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=<INSTALL_DIR>
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               -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
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               -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
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               # Build static lib but suitable to be included in a shared lib.
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               -DCMAKE_POSITION_INDEPENDENT_CODE=${BUILD_SHARED_LIBS}
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               -DJSONCPP_WITH_TESTS=OFF
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               -DJSONCPP_WITH_PKGCONFIG_SUPPORT=OFF
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               -DCMAKE_CXX_FLAGS=${JSONCCP_EXTRA_FLAGS}
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    # Overwrite build and install commands to force Release build on MSVC.
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    BUILD_COMMAND cmake --build <BINARY_DIR> --config Release
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    INSTALL_COMMAND cmake --build <BINARY_DIR> --config Release --target install
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    ${byproducts}
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)
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# Create jsoncpp imported library
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add_library(jsoncpp STATIC IMPORTED)
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file(MAKE_DIRECTORY ${JSONCPP_INCLUDE_DIR})  # Must exist.
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set_property(TARGET jsoncpp PROPERTY IMPORTED_LOCATION ${JSONCPP_LIBRARY})
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set_property(TARGET jsoncpp PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${JSONCPP_INCLUDE_DIR})
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add_dependencies(jsoncpp jsoncpp-project)
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