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import os
def rtc_cmake_config(env):
config = {
"USE_NICE": 0,
"NO_WEBSOCKET": 1,
"NO_EXAMPLES": 1,
"NO_TESTS": 1,
"BUILD_WITH_WARNINGS": "0", # Disables werror in libsrtp.
"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"),
}
return env.CMakePlatformFlags(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"])
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