1 files changed, 95 insertions, 0 deletions
diff --git a/tools/rtc.py b/tools/rtc.py
new file mode 100644
index 0000000..da15a84
--- /dev/null
+++ b/tools/rtc.py
@@ -0,0 +1,95 @@
+import os
+
+def rtc_cmake_config(env):
+    config = {
+        "USE_NICE": 0,
+        "NO_WEBSOCKET": 1,
+        "NO_EXAMPLES": 1,
+        "NO_TESTS": 1,
+        "OPENSSL_USE_STATIC_LIBS": 1,
+        "OPENSSL_INCLUDE_DIR": env["SSL_INCLUDE"],
+        "OPENSSL_SSL_LIBRARY": env["SSL_LIBRARY"],
+        "OPENSSL_CRYPTO_LIBRARY": env["SSL_CRYPTO_LIBRARY"],
+        "OPENSSL_ROOT_DIR": env["SSL_BUILD"],
+        "CMAKE_BUILD_TYPE": "%s" % ("RelWithDebInfo" if env["debug_symbols"] else "Release"),
+    }
+    if "CC" in env:
+        config["CMAKE_C_COMPILER"] = env["CC"]
+    if "CXX" in env:
+        config["CMAKE_CXX_COMPILER"] = env["CXX"]
+
+    if env["platform"] == "android":
+        api = env["android_api_level"] if int(env["android_api_level"]) > 28 else "28"
+        abi = {
+            "arm64": "arm64-v8a",
+            "arm32": "armeabi-v7a",
+            "x86_32": "x86",
+            "x86_64": "x86_64",
+        }[env["arch"]]
+        config["CMAKE_SYSTEM_NAME"] = "Android"
+        config["CMAKE_SYSTEM_VERSION"] = api
+        config["CMAKE_ANDROID_ARCH_ABI"] = abi
+        config["ANDROID_ABI"] = abi
+        config["CMAKE_TOOLCHAIN_FILE"] = "%s/build/cmake/android.toolchain.cmake" % os.environ.get("ANDROID_NDK_ROOT", "")
+        config["CMAKE_ANDROID_STL_TYPE"] = "c++_static"
+    elif env["platform"] == "linux":
+        march = "-m32" if env["arch"] == "x86_32" else "-m64"
+        config["CMAKE_C_FLAGS"] = march
+        config["CMAKE_CXX_FLAGS"] = march
+    elif env["platform"] == "macos":
+        if env["arch"] == "universal":
+            raise ValueError("OSX architecture not supported: %s" % env["arch"])
+        config["CMAKE_OSX_ARCHITECTURES"] = env["arch"]
+        if env["macos_deployment_target"] != "default":
+            config["CMAKE_OSX_DEPLOYMENT_TARGET"] = env["macos_deployment_target"]
+    elif env["platform"] == "ios":
+        if env["arch"] == "universal":
+            raise ValueError("iOS architecture not supported: %s" % env["arch"])
+        config["CMAKE_SYSTEM_NAME"] = "iOS"
+        config["CMAKE_OSX_DEPLOYMENT_TARGET"] = "11.0"
+        config["CMAKE_OSX_ARCHITECTURES"] = env["arch"]
+        if env["ios_simulator"]:
+                config["CMAKE_OSX_SYSROOT"] = "iphonesimulator"
+    elif env["platform"] == "windows":
+        config["CMAKE_SYSTEM_NAME"] = "Windows"
+    return config
+
+
+def rtc_emitter(target, source, env):
+    env.Depends(env["RTC_LIBS"], env["SSL_LIBS"])
+    env.Depends(env["RTC_LIBS"], [env.File(__file__), env.Dir(env["RTC_SOURCE"]), env.File(env["RTC_SOURCE"] + "/CMakeLists.txt")])
+    return env["RTC_LIBS"], env.Dir(env["RTC_SOURCE"])
+
+
+def rtc_action(target, source, env):
+    rtc_env = env.Clone()
+    build_dir = env["RTC_BUILD"]
+    source_dir = env["RTC_SOURCE"]
+    opts = rtc_cmake_config(rtc_env)
+    rtc_env.CMakeConfigure(source_dir, build_dir, ["-D%s=%s" % it for it in opts.items()])
+    rtc_env.CMakeBuild(build_dir, "datachannel-static")
+    return None
+
+
+def exists(env):
+    return "CMakeConfigure" in env and "CMakeBuild" in env
+
+
+def generate(env):
+    env["RTC_SOURCE"] = env["DEPS_SOURCE"] + "/libdatachannel"
+    env["RTC_BUILD"] = env["DEPS_BUILD"] + "/libdatachannel"
+    env["RTC_INCLUDE"] = env["RTC_SOURCE"] + "/include"
+    env["RTC_LIBS"] = [env.File(env["RTC_BUILD"] + "/" + lib) for lib in [
+        "libdatachannel-static.a",
+        "deps/libjuice/libjuice-static.a",
+        "deps/libsrtp/libsrtp2.a",
+        "deps/usrsctp/usrsctplib/libusrsctp.a"
+    ]]
+    env.Append(BUILDERS={
+        "BuildLibDataChannel": env.Builder(action=rtc_action, emitter=rtc_emitter)
+    })
+    env.Append(LIBPATH=[env["RTC_BUILD"]])
+    env.Append(CPPPATH=[env["RTC_INCLUDE"]])
+    env.Prepend(LIBS=env["RTC_LIBS"])
+    if env["platform"] == "windows":
+        env.AppendUnique(LIBS=["iphlpapi", "bcrypt"])