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import os
from SCons.Script import Environment
def get_android_api(env):
return env["android_api_level"] if int(env["android_api_level"]) > 28 else "28"
def get_deps_dir(env):
return env.Dir("#deps").abspath
def get_deps_build_dir(env):
return get_deps_dir(env) + "/build/{}.{}.{}.dir".format(env["platform"], env["target"], env["arch_suffix"])
def get_rtc_source_dir(env):
return get_deps_dir(env) + "/libdatachannel"
def get_rtc_build_dir(env):
return get_deps_build_dir(env) + "/libdatachannel"
def get_rtc_include_dir(env):
return get_rtc_source_dir(env) + "/include"
def get_ssl_source_dir(env):
return get_deps_dir(env) + "/openssl"
def get_ssl_build_dir(env):
return get_deps_build_dir(env) + "/openssl"
def get_ssl_install_dir(env):
return get_ssl_build_dir(env) + "/dest"
def get_ssl_include_dir(env):
return get_ssl_install_dir(env) + "/include"
def ssl_emitter(target, source, env):
build_dir = get_ssl_build_dir(env)
libs = ["libssl.a", "libcrypto.a"]
install_dir = get_ssl_install_dir(env)
ssl_include = os.path.join(source[0].abspath, "include")
return [env.File(build_dir + "/" + l) for l in libs], source
def ssl_action(target, source, env):
build_dir = get_ssl_build_dir(env)
source_dir = source[0].abspath
ssl_env = Environment()
install_dir = get_ssl_install_dir(env)
args = [
"no-ssl3",
"no-weak-ssl-ciphers",
"no-legacy",
"--prefix=%s" % install_dir,
"--openssldir=%s" % install_dir,
]
if env["target"] == "debug":
args.append("-d")
if env["platform"] != "windows":
args.append("no-shared") # Windows "app" doesn't like static-only builds.
if env["platform"] == "linux":
if env["arch"] == "x86_32":
args.extend(["linux-x86"])
else:
args.extend(["linux-x86_64"])
elif env["platform"] == "android":
args.extend([
{
"arm64": "android-arm64",
"arm32": "android-arm",
"x86_32": "android-x86",
"x86_64": "android-x86_64",
}[env["arch"]],
"-D__ANDROID_API__=%s" % get_android_api(env),
])
# Setup toolchain path.
ssl_env.PrependENVPath("PATH", os.path.dirname(env["CC"]))
ssl_env["ENV"]["ANDROID_NDK_ROOT"] = os.environ.get("ANDROID_NDK_ROOT", "")
elif env["platform"] == "macos":
if env["arch"] == "x86_64":
args.extend(["darwin64-x86_64"])
elif env["arch"] == "arm64":
args.extend(["darwin64-arm64"])
else:
raise ValueError("macOS architecture not supported: %s" % env["arch"])
elif env["platform"] == "ios":
if env["ios_simulator"]:
args.extend(["iossimulator-xcrun"])
elif env["arch"] == "arm32":
args.extend(["ios-xcrun"])
elif env["arch"] == "arm64":
args.extend(["ios64-xcrun"])
else:
raise ValueError("iOS architecture not supported: %s" % env["arch"])
elif env["platform"] == "windows":
if env["arch"] == "x86_32":
if env["use_mingw"]:
args.extend([
"mingw",
"--cross-compile-prefix=i686-w64-mingw32-",
])
else:
args.extend(["VC-WIN32"])
else:
if env["use_mingw"]:
args.extend([
"mingw64",
"--cross-compile-prefix=x86_64-w64-mingw32-",
])
else:
args.extend(["VC-WIN64A"])
jobs = env.GetOption("num_jobs")
ssl_env.Execute([
"mkdir -p " + build_dir, # TODO python?
("cd %s && %s/Configure " % (build_dir, source_dir)) + " ".join(args),
"make -C %s -j%s" % (build_dir, jobs),
"make -C %s install_sw install_ssldirs -j%s" % (build_dir, jobs),
]
)
return None
def rtc_emitter(target, source, env):
build_dir = get_rtc_build_dir(env)
libs = ["libdatachannel-static.a", "libjuice-static.a", "libsrtp2.a", "libusrsctp.a"]
lib_paths = [
build_dir,
os.path.join(build_dir, "deps/libjuice"),
os.path.join(build_dir, "deps/libsrtp"),
os.path.join(build_dir, "deps/usrsctp/usrsctplib"),
]
return [env.File(lib_paths[i] + "/" + libs[i]) for i in range(len(libs))], source
def rtc_action(target, source, env):
build_dir = get_rtc_build_dir(env)
source_dir = source[0].abspath
args = [
"-B",
build_dir,
"-DUSE_NICE=0",
"-DNO_WEBSOCKET=1",
#"-DNO_MEDIA=1", # Windows builds fail without it.
"-DNO_EXAMPLES=1",
"-DNO_WEBSOCKET=1",
"-DNO_TESTS=1",
"-DOPENSSL_USE_STATIC_LIBS=1",
"-DOPENSSL_INCLUDE_DIR=%s" % get_ssl_include_dir(env),
"-DOPENSSL_SSL_LIBRARY=%s/libssl.a" % get_ssl_build_dir(env),
"-DOPENSSL_CRYPTO_LIBRARY=%s/libcrypto.a" % get_ssl_build_dir(env),
"-DCMAKE_BUILD_TYPE=%s" % ("Release" if env["target"] == "release" else "Debug"),
]
if env["platform"] == "android":
abi = {
"arm64": "arm64-v8a",
"arm32": "armeabi-v7a",
"x86_32": "x86",
"x86_64": "x86_64",
}[env["arch"]]
args.extend([
"-DCMAKE_SYSTEM_NAME=Android",
"-DCMAKE_SYSTEM_VERSION=%s" % get_android_api(env),
"-DCMAKE_ANDROID_ARCH_ABI=%s" % abi,
"-DANDROID_ABI=%s" % abi,
"-DCMAKE_TOOLCHAIN_FILE=%s/build/cmake/android.toolchain.cmake" % os.environ.get("ANDROID_NDK_ROOT", ""),
"-DCMAKE_ANDROID_STL_TYPE=c++_static",
])
elif env["platform"] == "linux":
if env["arch"] == "x86_32":
args.extend([
"-DCMAKE_C_FLAGS=-m32",
"-DCMAKE_CXX_FLAGS=-m32"
])
else:
args.extend([
"-DCMAKE_C_FLAGS=-m64",
"-DCMAKE_CXX_FLAGS=-m64"
])
elif env["platform"] == "macos":
if env["macos_deployment_target"] != "default":
args.extend(["-DCMAKE_OSX_DEPLOYMENT_TARGET=%s" % env["macos_deployment_target"]])
if env["arch"] == "x86_64":
args.extend(["-DCMAKE_OSX_ARCHITECTURES=x86_64"])
elif env["arch"] == "arm64":
args.extend(["-DCMAKE_OSX_ARCHITECTURES=arm64"])
else:
raise ValueError("OSX architecture not supported: %s" % env["arch"])
elif env["platform"] == "ios":
if env["arch"] == "universal":
raise ValueError("iOS architecture not supported: %s" % env["arch"])
args.extend([
"-DCMAKE_SYSTEM_NAME=iOS",
"-DCMAKE_OSX_DEPLOYMENT_TARGET=11.0",
"-DCMAKE_OSX_ARCHITECTURES=%s" % env["arch"],
])
if env["ios_simulator"]:
args.extend(["-DCMAKE_OSX_SYSROOT=iphonesimulator"])
elif env["platform"] == "windows":
args.extend(["-DOPENSSL_ROOT_DIR=%s" % get_ssl_build_dir(env)])
if env["arch"] == "x86_32":
if env["use_mingw"]:
args.extend([
"-G 'Unix Makefiles'",
"-DCMAKE_C_COMPILER=i686-w64-mingw32-gcc",
"-DCMAKE_CXX_COMPILER=i686-w64-mingw32-g++",
"-DCMAKE_SYSTEM_NAME=Windows",
])
else:
if env["use_mingw"]:
args.extend([
"-G 'Unix Makefiles'",
"-DCMAKE_C_COMPILER=x86_64-w64-mingw32-gcc",
"-DCMAKE_CXX_COMPILER=x86_64-w64-mingw32-g++",
"-DCMAKE_SYSTEM_NAME=Windows"
])
args.append(source_dir)
jobs = env.GetOption("num_jobs")
rtc_env = Environment()
rtc_env.Execute([
"cmake " + " ".join(args),
"cmake --build %s -t datachannel-static -j%s" % (build_dir, jobs),
]
)
return None
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