import os import platform import sys 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 return [ BoolVariable('use_llvm', 'Use the LLVM compiler', False), BoolVariable('use_static_cpp', 'Link libgcc and libstdc++ statically for better portability', False), ] def get_flags(): return [] def configure(env): ## Build type if (env["target"] == "release"): env.Append(CCFLAGS=['-O2', '-fomit-frame-pointer']) elif (env["target"] == "release_debug"): env.Append(CCFLAGS=['-O2', '-DDEBUG_ENABLED']) elif (env["target"] == "debug"): env.Append(CCFLAGS=['-g2', '-DDEBUG_ENABLED', '-DDEBUG_MEMORY_ENABLED']) ## Architecture is64 = sys.maxsize > 2**32 if (env["bits"] == "default"): env["bits"] = "64" if is64 else "32" ## Compiler configuration if env['use_llvm']: if ('clang++' not in os.path.basename(env['CXX'])): env["CC"] = "clang" env["CXX"] = "clang++" env["LINK"] = "clang++" env.Append(CPPFLAGS=['-DTYPED_METHOD_BIND']) env.extra_suffix = ".llvm" + env.extra_suffix ## 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 libpng --cflags --libs') if not env['builtin_bullet']: # We need at least version 2.88 import subprocess bullet_version = subprocess.check_output(['pkg-config', 'bullet', '--modversion']).strip() if bullet_version < "2.88": # Abort as system bullet was requested but too old print("Bullet: System version {0} does not match minimal requirements ({1}). Aborting.".format(bullet_version, "2.88")) sys.exit(255) env.ParseConfig('pkg-config bullet --cflags --libs') if not env['builtin_enet']: env.ParseConfig('pkg-config libenet --cflags --libs') if not env['builtin_squish'] and env['tools']: 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') 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_libwebsockets']: env.ParseConfig('pkg-config libwebsockets --cflags --libs') if not env['builtin_miniupnpc']: # No pkgconfig file so far, hardcode default paths. env.Append(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.Append(CPPPATH=['#platform/server']) env.Append(CPPFLAGS=['-DSERVER_ENABLED', '-DUNIX_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.Append(LIBS=['execinfo']) # Link those statically for portability if env['use_static_cpp']: env.Append(LINKFLAGS=['-static-libgcc', '-static-libstdc++'])