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", True), 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), BoolVariable("debug_symbols", "Add debugging symbols to release/release_debug builds", True), BoolVariable("use_msan", "Use LLVM/GCC compiler memory sanitizer (MSAN))", False), 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"]) elif env["optimize"] == "size": # optimize for size env.Prepend(CCFLAGS=["-Os"]) if env["debug_symbols"]: env.Prepend(CCFLAGS=["-g2"]) elif env["target"] == "release_debug": if env["optimize"] == "speed": # optimize for speed (default) env.Prepend(CCFLAGS=["-O2"]) elif env["optimize"] == "size": # optimize for size env.Prepend(CCFLAGS=["-Os"]) if env["debug_symbols"]: env.Prepend(CCFLAGS=["-g2"]) elif env["target"] == "debug": env.Prepend(CCFLAGS=["-g3"]) 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.extra_suffix = ".llvm" + env.extra_suffix env.Append(LIBS=["atomic"]) if env["use_ubsan"] or env["use_asan"] or env["use_lsan"] or env["use_tsan"] or env["use_msan"]: 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_msan"]: env.Append(CCFLAGS=["-fsanitize=memory"]) env.Append(LINKFLAGS=["-fsanitize=memory"]) 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 2.90 min_bullet_version = "2.90" import subprocess bullet_version = subprocess.check_output(["pkg-config", "bullet", "--modversion"]).strip() if str(bullet_version) < min_bullet_version: # Abort as system bullet was requested but too old print( "Bullet: System version {0} does not match minimal requirements ({1}). Aborting.".format( bullet_version, min_bullet_version ) ) 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") # Embree is only compatible with x86_64. Yet another unreliable hack that will break # cross-compilation, this will really need to be handle better. Thankfully only affects # people who disable builtin_embree (likely distro packagers). if env["tools"] and not env["builtin_embree"] and (is64 and platform.machine() == "x86_64"): # No pkgconfig file so far, hardcode expected lib name. env.Append(LIBS=["embree3"]) ## 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++"])