1 files changed, 68 insertions, 0 deletions
diff --git a/third-party/cmake/BuildUtf8proc.cmake b/third-party/cmake/BuildUtf8proc.cmake
new file mode 100644
index 0000000000..7297913f87
--- /dev/null
+++ b/third-party/cmake/BuildUtf8proc.cmake
@@ -0,0 +1,68 @@
+include(CMakeParseArguments)
+
+# BuildUtf8proc(CONFIGURE_COMMAND ... BUILD_COMMAND ... INSTALL_COMMAND ...)
+# Reusable function to build utf8proc, wraps ExternalProject_Add.
+# Failing to pass a command argument will result in no command being run
+function(BuildUtf8proc)
+  cmake_parse_arguments(_utf8proc
+    ""
+    ""
+    "CONFIGURE_COMMAND;BUILD_COMMAND;INSTALL_COMMAND"
+    ${ARGN})
+
+  if(NOT _utf8proc_CONFIGURE_COMMAND AND NOT _utf8proc_BUILD_COMMAND
+       AND NOT _utf8proc_INSTALL_COMMAND)
+    message(FATAL_ERROR "Must pass at least one of CONFIGURE_COMMAND, BUILD_COMMAND, INSTALL_COMMAND")
+  endif()
+
+  ExternalProject_Add(utf8proc
+    PREFIX ${DEPS_BUILD_DIR}
+    URL ${UTF8PROC_URL}
+    DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/utf8proc
+    DOWNLOAD_COMMAND ${CMAKE_COMMAND}
+      -DPREFIX=${DEPS_BUILD_DIR}
+      -DDOWNLOAD_DIR=${DEPS_DOWNLOAD_DIR}/utf8proc
+      -DURL=${UTF8PROC_URL}
+      -DEXPECTED_SHA256=${UTF8PROC_SHA256}
+      -DTARGET=utf8proc
+      -DUSE_EXISTING_SRC_DIR=${USE_EXISTING_SRC_DIR}
+      -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/DownloadAndExtractFile.cmake
+    CONFIGURE_COMMAND "${_utf8proc_CONFIGURE_COMMAND}"
+    BUILD_COMMAND "${_utf8proc_BUILD_COMMAND}"
+    INSTALL_COMMAND "${_utf8proc_INSTALL_COMMAND}")
+endfunction()
+
+set(UTF8PROC_CONFIGURE_COMMAND ${CMAKE_COMMAND} ${DEPS_BUILD_DIR}/src/utf8proc
+  -DCMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR}
+  -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
+  -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
+  "-DCMAKE_C_FLAGS:STRING=${CMAKE_C_COMPILER_ARG1} -fPIC"
+  -DCMAKE_GENERATOR=${CMAKE_GENERATOR})
+
+set(UTF8PROC_BUILD_COMMAND ${CMAKE_COMMAND} --build . --config ${CMAKE_BUILD_TYPE})
+set(UTF8PROC_INSTALL_COMMAND ${CMAKE_COMMAND} --build . --target install --config ${CMAKE_BUILD_TYPE})
+
+if(MINGW AND CMAKE_CROSSCOMPILING)
+  get_filename_component(TOOLCHAIN ${CMAKE_TOOLCHAIN_FILE} REALPATH)
+  set(UTF8PROC_CONFIGURE_COMMAND ${CMAKE_COMMAND} ${DEPS_BUILD_DIR}/src/utf8proc
+    -DCMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR}
+    # Pass toolchain
+    -DCMAKE_TOOLCHAIN_FILE=${TOOLCHAIN}
+    -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
+    # Hack to avoid -rdynamic in Mingw
+    -DCMAKE_SHARED_LIBRARY_LINK_C_FLAGS="")
+elseif(MSVC)
+  # Same as Unix without fPIC
+  set(UTF8PROC_CONFIGURE_COMMAND ${CMAKE_COMMAND} ${DEPS_BUILD_DIR}/src/utf8proc
+    -DCMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR}
+    -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
+    "-DCMAKE_C_FLAGS:STRING=${CMAKE_C_COMPILER_ARG1}"
+    -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
+    # Make sure we use the same generator, otherwise we may
+    # accidentaly end up using different MSVC runtimes
+    -DCMAKE_GENERATOR=${CMAKE_GENERATOR})
+endif()
+
+BuildUtf8proc(CONFIGURE_COMMAND ${UTF8PROC_CONFIGURE_COMMAND}
+  BUILD_COMMAND ${UTF8PROC_BUILD_COMMAND}
+  INSTALL_COMMAND ${UTF8PROC_INSTALL_COMMAND})