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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):
if env["platform"] == "windows":
env.PrependUnique(LIBS=["iphlpapi", "bcrypt"])
env.Prepend(LIBS=env["RTC_LIBS"])
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()])
opt_args = []
if env.get("is_msvc", False):
opt_args = ["--config", opts["CMAKE_BUILD_TYPE"]]
rtc_env.CMakeBuild(build_dir, "datachannel-static", opt_args=opt_args)
return None
def exists(env):
return "CMakeConfigure" in env and "CMakeBuild" in env
def generate(env):
env["RTC_SOURCE"] = env.Dir("#thirdparty/libdatachannel").abspath
env["RTC_BUILD"] = env.Dir(
"#bin/thirdparty/libdatachannel/{}/{}/{}".format(
env["platform"], env["arch"], "RelWithDebInfo" if env["debug_symbols"] else "Release"
)
).abspath
env["RTC_INCLUDE"] = env["RTC_SOURCE"] + "/include"
lib_ext = ".a"
lib_prefix = "lib"
if env.get("is_msvc", False):
lib_ext = ".lib"
lib_prefix = ""
env["RTC_LIBS"] = [
env.File(env["RTC_BUILD"] + "/" + lib)
for lib in [
"{}datachannel-static{}".format(lib_prefix, lib_ext),
"deps/libjuice/{}juice-static{}".format(lib_prefix, lib_ext),
"deps/libsrtp/{}srtp2{}".format(lib_prefix, lib_ext),
"deps/usrsctp/usrsctplib/{}usrsctp{}".format(lib_prefix, lib_ext),
]
]
env.Append(BUILDERS={"BuildLibDataChannel": env.Builder(action=rtc_action, emitter=rtc_emitter)})
env.Append(LIBPATH=[env["RTC_BUILD"]])
env.Append(CPPPATH=[env["RTC_INCLUDE"]])
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