1 files changed, 90 insertions, 0 deletions
diff --git a/third-party/cmake/BuildLuv.cmake b/third-party/cmake/BuildLuv.cmake
new file mode 100644
index 0000000000..3060590bce
--- /dev/null
+++ b/third-party/cmake/BuildLuv.cmake
@@ -0,0 +1,90 @@
+include(CMakeParseArguments)
+
+# BuildLuv(PATCH_COMMAND ... CONFIGURE_COMMAND ... BUILD_COMMAND ... INSTALL_COMMAND ...)
+# Reusable function to build luv, wraps ExternalProject_Add.
+# Failing to pass a command argument will result in no command being run
+function(BuildLuv)
+  cmake_parse_arguments(_luv
+    ""
+    ""
+    "PATCH_COMMAND;CONFIGURE_COMMAND;BUILD_COMMAND;INSTALL_COMMAND"
+    ${ARGN})
+
+  if(NOT _luv_CONFIGURE_COMMAND AND NOT _luv_BUILD_COMMAND
+       AND NOT _luv_INSTALL_COMMAND)
+    message(FATAL_ERROR "Must pass at least one of CONFIGURE_COMMAND, BUILD_COMMAND, INSTALL_COMMAND")
+  endif()
+
+  ExternalProject_Add(luv-static
+    PREFIX ${DEPS_BUILD_DIR}
+    URL ${LUV_URL}
+    DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/luv
+    DOWNLOAD_COMMAND ${CMAKE_COMMAND}
+      -DPREFIX=${DEPS_BUILD_DIR}
+      -DDOWNLOAD_DIR=${DEPS_DOWNLOAD_DIR}/luv
+      -DURL=${LUV_URL}
+      -DEXPECTED_SHA256=${LUV_SHA256}
+      -DTARGET=luv
+      -DUSE_EXISTING_SRC_DIR=${USE_EXISTING_SRC_DIR}
+      -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/DownloadAndExtractFile.cmake
+    PATCH_COMMAND "${_luv_PATCH_COMMAND}"
+    CONFIGURE_COMMAND "${_luv_CONFIGURE_COMMAND}"
+    BUILD_COMMAND "${_luv_BUILD_COMMAND}"
+    INSTALL_COMMAND "${_luv_INSTALL_COMMAND}")
+endfunction()
+
+set(LUV_SRC_DIR ${DEPS_BUILD_DIR}/src/luv)
+set(LUV_INCLUDE_FLAGS
+  "-I${DEPS_INSTALL_DIR}/include -I${DEPS_INSTALL_DIR}/include/luajit-2.0")
+
+set(LUV_PATCH_COMMAND
+  ${CMAKE_COMMAND} -DLUV_SRC_DIR=${LUV_SRC_DIR}
+  -P ${PROJECT_SOURCE_DIR}/cmake/PatchLuv.cmake)
+
+set(LUV_CONFIGURE_COMMAND_COMMON
+  ${CMAKE_COMMAND} ${LUV_SRC_DIR}
+  -DCMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR}
+  -DLUA_BUILD_TYPE=System
+  -DWITH_SHARED_LIBUV=ON
+  -DBUILD_SHARED_LIBS=OFF
+  -DBUILD_MODULE=OFF)
+
+if(MINGW AND CMAKE_CROSSCOMPILING)
+  get_filename_component(TOOLCHAIN ${CMAKE_TOOLCHAIN_FILE} REALPATH)
+  set(LUV_CONFIGURE_COMMAND
+    ${LUV_CONFIGURE_COMMAND_COMMON}
+    # Pass toolchain
+    -DCMAKE_TOOLCHAIN_FILE=${TOOLCHAIN}
+    "-DCMAKE_C_FLAGS:STRING=${LUV_INCLUDE_FLAGS} -D_WIN32_WINNT=0x0600"
+    # Hack to avoid -rdynamic in Mingw
+    -DCMAKE_SHARED_LIBRARY_LINK_C_FLAGS="")
+elseif(MSVC)
+  set(LUV_CONFIGURE_COMMAND
+    ${LUV_CONFIGURE_COMMAND_COMMON}
+    -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
+    # Same as Unix without fPIC
+    "-DCMAKE_C_FLAGS:STRING=${CMAKE_C_COMPILER_ARG1} ${LUV_INCLUDE_FLAGS}"
+    # Make sure we use the same generator, otherwise we may
+    # accidentaly end up using different MSVC runtimes
+    -DCMAKE_GENERATOR=${CMAKE_GENERATOR}
+    # Use static runtime
+    -DCMAKE_C_FLAGS_DEBUG="-MTd"
+    -DCMAKE_C_FLAGS_RELEASE="-MT")
+else()
+  set(LUV_CONFIGURE_COMMAND
+    ${LUV_CONFIGURE_COMMAND_COMMON}
+    -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
+    "-DCMAKE_C_FLAGS:STRING=${CMAKE_C_COMPILER_ARG1} ${LUV_INCLUDE_FLAGS} -fPIC")
+endif()
+
+set(LUV_BUILD_COMMAND ${CMAKE_COMMAND} --build .)
+set(LUV_INSTALL_COMMAND ${CMAKE_COMMAND} --build . --target install)
+
+BuildLuv(PATCH_COMMAND ${LUV_PATCH_COMMAND}
+  CONFIGURE_COMMAND ${LUV_CONFIGURE_COMMAND}
+  BUILD_COMMAND ${LUV_BUILD_COMMAND}
+  INSTALL_COMMAND ${LUV_INSTALL_COMMAND})
+
+list(APPEND THIRD_PARTY_DEPS luv-static)
+add_dependencies(luv-static luajit)
+add_dependencies(luv-static libuv)