Make rawrtc build

Change-Id: I077e43c6aaee27307dadb97a7352c8412b735519
diff --git a/third_party/rawrtc/rew/BUILD b/third_party/rawrtc/rew/BUILD
new file mode 100644
index 0000000..d5295e7
--- /dev/null
+++ b/third_party/rawrtc/rew/BUILD
@@ -0,0 +1,26 @@
+load("@//tools/build_rules:select.bzl", "compiler_select")
+
+cc_library(
+    name = "rew",
+    srcs = glob(
+        [
+            "src/**/*.c",
+            "src/**/*.h",
+        ],
+    ),
+    hdrs = glob(["include/*.h"]),
+    copts = compiler_select({
+        "clang": [
+            "-Wno-incompatible-pointer-types-discards-qualifiers",
+        ],
+        "gcc": [
+            "-Wno-discarded-qualifiers",
+        ],
+    }) + [
+        "-Wno-cast-qual",
+        "-Wno-incompatible-pointer-types-discards-qualifiers",
+    ],
+    includes = ["include/"],
+    visibility = ["//visibility:public"],
+    deps = ["@com_github_rawrtc_re//:re"],
+)