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authorPaweł Bylica <chfast@gmail.com>2017-09-19 21:19:06 +0800
committerGitHub <noreply@github.com>2017-09-19 21:19:06 +0800
commit39d7faa4767342b52be8c909a29f16f22e82d923 (patch)
treea377bda2ac69088bae78694d862528d8362969a2 /cmake
parent1fc71bd75841850ee04d151e9bfbf938928b276a (diff)
parent5706508332f9caffa077c0c313b82f538a13c5c7 (diff)
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Merge pull request #2926 from ethereum/deps
deps: Move and fix jsoncpp.cmake from deps submodule
Diffstat (limited to 'cmake')
-rw-r--r--cmake/jsoncpp.cmake50
1 files changed, 50 insertions, 0 deletions
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)