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#!python
import os, sys, platform, json, subprocess
import builders
def add_sources(sources, dirpath, extension):
for f in os.listdir(dirpath):
if f.endswith("." + extension):
sources.append(dirpath + "/" + f)
def replace_flags(flags, replaces):
for k, v in replaces.items():
if k in flags:
flags[flags.index(k)] = v
env = Environment()
opts = Variables(["customs.py"], ARGUMENTS)
opts.Add(EnumVariable("godot_version", "The Godot target version", "4", ["3", "4"]))
opts.Update(env)
if env["godot_version"] == "3":
if "platform" in ARGUMENTS and ARGUMENTS["platform"] == "macos":
ARGUMENTS["platform"] = "osx" # compatibility with old osx name
scons_cache_path = os.environ.get("SCONS_CACHE")
if scons_cache_path is not None:
CacheDir(scons_cache_path)
Decider("MD5")
env = SConscript("godot-cpp-3.x/SConstruct")
# Patch base env
replace_flags(env["CCFLAGS"], {
"-mios-simulator-version-min=10.0": "-mios-simulator-version-min=11.0",
"-miphoneos-version-min=10.0": "-miphoneos-version-min=11.0",
"/std:c++14": "/std:c++17",
"-std=c++14": "-std=c++17",
})
env = env.Clone()
if env["target"] == "debug":
env.Append(CPPDEFINES=["DEBUG_ENABLED"])
if env["platform"] == "windows" and env["use_mingw"]:
env.Append(LINKFLAGS=["-static-libgcc"])
if env["platform"] == "osx":
env["platform"] = "macos" # compatibility with old osx name
ARGUMENTS["platform"] = "macos"
# Normalize suffix
if env["platform"] in ["windows", "linux"]:
env["arch"] = "x86_32" if env["bits"] == "32" else "x86_64"
env["arch_suffix"] = env["arch"]
elif env["platform"] == "macos":
env["arch"] = env["macos_arch"]
env["arch_suffix"] = env["arch"]
elif env["platform"] == "ios":
env["arch"] = "arm32" if env["ios_arch"] == "armv7" else env["ios_arch"]
env["arch_suffix"] = env["ios_arch"] + (".simulator" if env["ios_simulator"] else "")
elif env["platform"] == "android":
env["arch"] = {
"armv7": "arm32",
"arm64v8": "arm64",
"x86": "x86_32",
"x86_64": "x86_64",
}[env["android_arch"]]
env["arch_suffix"] = env["arch"]
target_compat = "template_" + env["target"]
env["suffix"] = ".{}.{}.{}".format(env["platform"], target_compat, env["arch_suffix"])
env["debug_symbols"] = False
else:
ARGUMENTS["ios_min_version"] = "11.0"
env = SConscript("godot-cpp/SConstruct").Clone()
# Should probably go to upstream godot-cpp.
# We let SCons build its default ENV as it includes OS-specific things which we don't
# want to have to pull in manually.
# Then we prepend PATH to make it take precedence, while preserving SCons' own entries.
env.PrependENVPath("PATH", os.getenv("PATH"))
env.PrependENVPath("PKG_CONFIG_PATH", os.getenv("PKG_CONFIG_PATH"))
if "TERM" in os.environ: # Used for colored output.
env["ENV"]["TERM"] = os.environ["TERM"]
# Patch mingw SHLIBSUFFIX.
if env["platform"] == "windows" and env["use_mingw"]:
env["SHLIBSUFFIX"] = ".dll"
opts.Update(env)
target = env["target"]
if env["godot_version"] == "3":
result_path = os.path.join("bin", "gdnative", "webrtc" if env["target"] == "release" else "webrtc_debug")
else:
result_path = os.path.join("bin", "extension", "webrtc")
# Dependencies
env.Append(BUILDERS={
"BuildOpenSSL": env.Builder(action=builders.ssl_action, emitter=builders.ssl_emitter),
"BuildLibDataChannel": env.Builder(action=builders.rtc_action, emitter=builders.rtc_emitter),
})
# SSL
ssl = env.BuildOpenSSL(env.Dir(builders.get_ssl_build_dir(env)), env.Dir(builders.get_ssl_source_dir(env)))
env.Depends(ssl, [env.File("builders.py"), env.File(builders.get_ssl_source_dir(env) + "/VERSION.dat")])
env.NoCache(ssl) # Needs refactoring to properly cache generated headers.
env.Prepend(CPPPATH=[builders.get_ssl_include_dir(env)])
env.Prepend(LIBPATH=[builders.get_ssl_build_dir(env)])
env.Append(LIBS=[builders.get_ssl_libs(env)])
# RTC
rtc = env.BuildLibDataChannel(env.Dir(builders.get_rtc_build_dir(env)), [env.Dir(builders.get_rtc_source_dir(env))] + ssl)
env.Depends(rtc, [env.File("builders.py"), env.File(builders.get_rtc_source_dir(env) + "/CMakeLists.txt")])
env.Append(LIBPATH=[builders.get_rtc_build_dir(env)])
env.Append(CPPPATH=[builders.get_rtc_include_dir(env)])
env.Prepend(LIBS=[builders.get_rtc_libs(env)])
# Our includes and sources
env.Append(CPPPATH=["src/"])
env.Append(CPPDEFINES=["RTC_STATIC"])
sources = []
sources.append(
[
"src/WebRTCLibDataChannel.cpp",
"src/WebRTCLibPeerConnection.cpp",
]
)
if env["godot_version"] == "4":
sources.append("src/init_gdextension.cpp")
else:
env.Append(CPPDEFINES=["GDNATIVE_WEBRTC"])
sources.append("src/init_gdnative.cpp")
add_sources(sources, "src/net/", "cpp")
env.Depends(sources, [builders.get_ssl_libs(env), builders.get_rtc_libs(env)])
# Make the shared library
result_name = "webrtc_native{}{}".format(env["suffix"], env["SHLIBSUFFIX"])
env.Depends(sources, ssl)
if env["platform"] == "windows" and env["use_mingw"]:
env.Append(LIBS=["iphlpapi", "ws2_32", "bcrypt"])
library = env.SharedLibrary(target=os.path.join(result_path, "lib", result_name), source=sources)
Default(library)
# GDNativeLibrary
if env["godot_version"] == "3":
gdnlib = "webrtc" if target != "debug" else "webrtc_debug"
ext = ".tres"
extfile = env.Substfile(os.path.join(result_path, gdnlib + ext), "misc/webrtc" + ext, SUBST_DICT={
"{GDNATIVE_PATH}": gdnlib,
"{TARGET}": "template_" + env["target"],
})
else:
extfile = env.InstallAs(os.path.join(result_path, "webrtc.gdextension"), "misc/webrtc.gdextension")
Default(extfile)
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