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import os
import platform
import sys
# This file is mostly based on platform/x11/detect.py.
# If editing this file, make sure to apply relevant changes here too.
def is_active():
return True
def get_name():
return "Server"
def get_program_suffix():
if sys.platform == "darwin":
return "osx"
return "x11"
def can_build():
if os.name != "posix":
return False
return True
def get_opts():
from SCons.Variables import BoolVariable, EnumVariable
return [
BoolVariable("use_llvm", "Use the LLVM compiler", False),
BoolVariable("use_static_cpp", "Link libgcc and libstdc++ statically for better portability", False),
BoolVariable("use_ubsan", "Use LLVM/GCC compiler undefined behavior sanitizer (UBSAN)", False),
BoolVariable("use_asan", "Use LLVM/GCC compiler address sanitizer (ASAN))", False),
BoolVariable("use_lsan", "Use LLVM/GCC compiler leak sanitizer (LSAN))", False),
BoolVariable("use_tsan", "Use LLVM/GCC compiler thread sanitizer (TSAN))", False),
EnumVariable("debug_symbols", "Add debugging symbols to release builds", "yes", ("yes", "no", "full")),
BoolVariable("separate_debug_symbols", "Create a separate file containing debugging symbols", False),
BoolVariable("execinfo", "Use libexecinfo on systems where glibc is not available", False),
]
def get_flags():
return []
def configure(env):
## Build type
if env["target"] == "release":
if env["optimize"] == "speed": # optimize for speed (default)
env.Prepend(CCFLAGS=["-O3"])
else: # optimize for size
env.Prepend(CCFLAGS=["-Os"])
if env["debug_symbols"] == "yes":
env.Prepend(CCFLAGS=["-g1"])
if env["debug_symbols"] == "full":
env.Prepend(CCFLAGS=["-g2"])
elif env["target"] == "release_debug":
if env["optimize"] == "speed": # optimize for speed (default)
env.Prepend(CCFLAGS=["-O2"])
else: # optimize for size
env.Prepend(CCFLAGS=["-Os"])
env.Prepend(CPPDEFINES=["DEBUG_ENABLED"])
if env["debug_symbols"] == "yes":
env.Prepend(CCFLAGS=["-g1"])
if env["debug_symbols"] == "full":
env.Prepend(CCFLAGS=["-g2"])
elif env["target"] == "debug":
env.Prepend(CCFLAGS=["-g3"])
env.Prepend(CPPDEFINES=["DEBUG_ENABLED"])
env.Append(LINKFLAGS=["-rdynamic"])
## Architecture
is64 = sys.maxsize > 2 ** 32
if env["bits"] == "default":
env["bits"] = "64" if is64 else "32"
## Compiler configuration
if "CXX" in env and "clang" in os.path.basename(env["CXX"]):
# Convenience check to enforce the use_llvm overrides when CXX is clang(++)
env["use_llvm"] = True
if env["use_llvm"]:
if "clang++" not in os.path.basename(env["CXX"]):
env["CC"] = "clang"
env["CXX"] = "clang++"
env["LINK"] = "clang++"
env.Append(CPPDEFINES=["TYPED_METHOD_BIND"])
env.extra_suffix = ".llvm" + env.extra_suffix
if env["use_ubsan"] or env["use_asan"] or env["use_lsan"] or env["use_tsan"]:
env.extra_suffix += "s"
if env["use_ubsan"]:
env.Append(CCFLAGS=["-fsanitize=undefined"])
env.Append(LINKFLAGS=["-fsanitize=undefined"])
if env["use_asan"]:
env.Append(CCFLAGS=["-fsanitize=address"])
env.Append(LINKFLAGS=["-fsanitize=address"])
if env["use_lsan"]:
env.Append(CCFLAGS=["-fsanitize=leak"])
env.Append(LINKFLAGS=["-fsanitize=leak"])
if env["use_tsan"]:
env.Append(CCFLAGS=["-fsanitize=thread"])
env.Append(LINKFLAGS=["-fsanitize=thread"])
if env["use_lto"]:
env.Append(CCFLAGS=["-flto"])
if not env["use_llvm"] and env.GetOption("num_jobs") > 1:
env.Append(LINKFLAGS=["-flto=" + str(env.GetOption("num_jobs"))])
else:
env.Append(LINKFLAGS=["-flto"])
if not env["use_llvm"]:
env["RANLIB"] = "gcc-ranlib"
env["AR"] = "gcc-ar"
env.Append(CCFLAGS=["-pipe"])
env.Append(LINKFLAGS=["-pipe"])
## Dependencies
# FIXME: Check for existence of the libs before parsing their flags with pkg-config
# freetype depends on libpng and zlib, so bundling one of them while keeping others
# as shared libraries leads to weird issues
if env["builtin_freetype"] or env["builtin_libpng"] or env["builtin_zlib"]:
env["builtin_freetype"] = True
env["builtin_libpng"] = True
env["builtin_zlib"] = True
if not env["builtin_freetype"]:
env.ParseConfig("pkg-config freetype2 --cflags --libs")
if not env["builtin_libpng"]:
env.ParseConfig("pkg-config libpng16 --cflags --libs")
if not env["builtin_bullet"]:
# We need at least version 2.89
import subprocess
bullet_version = subprocess.check_output(["pkg-config", "bullet", "--modversion"]).strip()
if str(bullet_version) < "2.89":
# Abort as system bullet was requested but too old
print(
"Bullet: System version {0} does not match minimal requirements ({1}). Aborting.".format(
bullet_version, "2.89"
)
)
sys.exit(255)
env.ParseConfig("pkg-config bullet --cflags --libs")
if False: # not env['builtin_assimp']:
# FIXME: Add min version check
env.ParseConfig("pkg-config assimp --cflags --libs")
if not env["builtin_enet"]:
env.ParseConfig("pkg-config libenet --cflags --libs")
if not env["builtin_squish"]:
env.ParseConfig("pkg-config libsquish --cflags --libs")
if not env["builtin_zstd"]:
env.ParseConfig("pkg-config libzstd --cflags --libs")
# Sound and video libraries
# Keep the order as it triggers chained dependencies (ogg needed by others, etc.)
if not env["builtin_libtheora"]:
env["builtin_libogg"] = False # Needed to link against system libtheora
env["builtin_libvorbis"] = False # Needed to link against system libtheora
env.ParseConfig("pkg-config theora theoradec --cflags --libs")
else:
list_of_x86 = ["x86_64", "x86", "i386", "i586"]
if any(platform.machine() in s for s in list_of_x86):
env["x86_libtheora_opt_gcc"] = True
if not env["builtin_libvpx"]:
env.ParseConfig("pkg-config vpx --cflags --libs")
if not env["builtin_libvorbis"]:
env["builtin_libogg"] = False # Needed to link against system libvorbis
env.ParseConfig("pkg-config vorbis vorbisfile --cflags --libs")
if not env["builtin_opus"]:
env["builtin_libogg"] = False # Needed to link against system opus
env.ParseConfig("pkg-config opus opusfile --cflags --libs")
if not env["builtin_libogg"]:
env.ParseConfig("pkg-config ogg --cflags --libs")
if not env["builtin_libwebp"]:
env.ParseConfig("pkg-config libwebp --cflags --libs")
if not env["builtin_mbedtls"]:
# mbedTLS does not provide a pkgconfig config yet. See https://github.com/ARMmbed/mbedtls/issues/228
env.Append(LIBS=["mbedtls", "mbedcrypto", "mbedx509"])
if not env["builtin_wslay"]:
env.ParseConfig("pkg-config libwslay --cflags --libs")
if not env["builtin_miniupnpc"]:
# No pkgconfig file so far, hardcode default paths.
env.Prepend(CPPPATH=["/usr/include/miniupnpc"])
env.Append(LIBS=["miniupnpc"])
# On Linux wchar_t should be 32-bits
# 16-bit library shouldn't be required due to compiler optimisations
if not env["builtin_pcre2"]:
env.ParseConfig("pkg-config libpcre2-32 --cflags --libs")
## Flags
# Linkflags below this line should typically stay the last ones
if not env["builtin_zlib"]:
env.ParseConfig("pkg-config zlib --cflags --libs")
env.Prepend(CPPPATH=["#platform/server"])
env.Append(CPPDEFINES=["SERVER_ENABLED", "UNIX_ENABLED"])
if platform.system() == "Darwin":
env.Append(LINKFLAGS=["-framework", "Cocoa", "-framework", "Carbon", "-lz", "-framework", "IOKit"])
env.Append(LIBS=["pthread"])
if platform.system() == "Linux":
env.Append(LIBS=["dl"])
if platform.system().find("BSD") >= 0:
env["execinfo"] = True
if env["execinfo"]:
env.Append(LIBS=["execinfo"])
# Link those statically for portability
if env["use_static_cpp"]:
env.Append(LINKFLAGS=["-static-libgcc", "-static-libstdc++"])
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