diff options
| -rw-r--r-- | CMakeLists.txt | 2 | ||||
| -rw-r--r-- | cmake/jsoncpp.cmake | 50 |
2 files changed, 51 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 0a65071d..89d627dc 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -15,7 +15,7 @@ option(SOLC_LINK_STATIC "Link solc executable statically on supported platforms" # Let's find our dependencies include(EthDependencies) -include(deps/jsoncpp.cmake) +include(jsoncpp) find_package(Threads) diff --git a/cmake/jsoncpp.cmake b/cmake/jsoncpp.cmake new file mode 100644 index 00000000..79ce4c5f --- /dev/null +++ b/cmake/jsoncpp.cmake @@ -0,0 +1,50 @@ +include(ExternalProject) + +if (${CMAKE_SYSTEM_NAME} STREQUAL "Emscripten") + set(JSONCPP_CMAKE_COMMAND emcmake cmake) +else() + set(JSONCPP_CMAKE_COMMAND ${CMAKE_COMMAND}) +endif() + +# Disable implicit fallthrough warning in jsoncpp for gcc >= 7 until the upstream handles it properly +if (("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0) + set(JSONCCP_EXTRA_FLAGS -Wno-implicit-fallthrough) +else() + set(JSONCCP_EXTRA_FLAGS "") +endif() + +set(prefix "${CMAKE_BINARY_DIR}/deps") +set(JSONCPP_LIBRARY "${prefix}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}jsoncpp${CMAKE_STATIC_LIBRARY_SUFFIX}") +set(JSONCPP_INCLUDE_DIR "${prefix}/include") + +set(byproducts "") +if(CMAKE_VERSION VERSION_GREATER 3.1) + set(byproducts BUILD_BYPRODUCTS "${JSONCPP_LIBRARY}") +endif() + +ExternalProject_Add(jsoncpp-project + PREFIX "${prefix}" + DOWNLOAD_NAME jsoncpp-1.7.7.tar.gz + URL https://github.com/open-source-parsers/jsoncpp/archive/1.7.7.tar.gz + URL_HASH SHA256=087640ebcf7fbcfe8e2717a0b9528fff89c52fcf69fa2a18cc2b538008098f97 + CMAKE_COMMAND ${JSONCPP_CMAKE_COMMAND} + CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=<INSTALL_DIR> + -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} + -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} + # Build static lib but suitable to be included in a shared lib. + -DCMAKE_POSITION_INDEPENDENT_CODE=${BUILD_SHARED_LIBS} + -DJSONCPP_WITH_TESTS=OFF + -DJSONCPP_WITH_PKGCONFIG_SUPPORT=OFF + -DCMAKE_CXX_FLAGS=${JSONCCP_EXTRA_FLAGS} + # Overwrite build and install commands to force Release build on MSVC. + BUILD_COMMAND cmake --build <BINARY_DIR> --config Release + INSTALL_COMMAND cmake --build <BINARY_DIR> --config Release --target install + ${byproducts} +) + +# Create jsoncpp imported library +add_library(jsoncpp STATIC IMPORTED) +file(MAKE_DIRECTORY ${JSONCPP_INCLUDE_DIR}) # Must exist. +set_property(TARGET jsoncpp PROPERTY IMPORTED_LOCATION ${JSONCPP_LIBRARY}) +set_property(TARGET jsoncpp PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${JSONCPP_INCLUDE_DIR}) +add_dependencies(jsoncpp jsoncpp-project) |