build: add GN configurations for simdjson

deps/simdjson/BUILD.gn

@@ -0,0 +1,14 @@
+##############################################################################
+# #
+# DO NOT EDIT THIS FILE! #
+# #
+##############################################################################
+
+# This file is used by GN for building, which is NOT the build system used for
+# building official binaries.
+# Please modify the gyp files if you are making changes to build system.
+
+import("unofficial.gni")
+
+simdjson_gn_build("simdjson") {
+}

deps/simdjson/unofficial.gni

@@ -0,0 +1,22 @@
+# This file is used by GN for building, which is NOT the build system used for
+# building official binaries.
+# Please edit the gyp files if you are making changes to build system.
+
+# The actual configurations are put inside a template in unofficial.gni to
+# prevent accidental edits from contributors.
+template("simdjson_gn_build") {
+ config("simdjson_config") {
+ include_dirs = [ "." ]
+ }
+
+ gypi_values = exec_script("../../tools/gypi_to_gn.py",
+ [ rebase_path("simdjson.gyp") ],
+ "scope",
+ [ "simdjson.gyp" ])
+
+ source_set(target_name) {
+ forward_variables_from(invoker, "*")
+ public_configs = [ ":simdjson_config" ]
+ sources = gypi_values.simdjson_sources
+ }
+}

unofficial.gni

@@ -159,6 +159,7 @@ template("node_gn_build") {
  "deps/nghttp2",
  "deps/ngtcp2",
  "deps/postject",
+ "deps/simdjson",
  "deps/simdutf",
  "deps/uvwasi",
  "//third_party/zlib",