def using_gcc_min_ver(env, major=-1, minor=-1): if methods.using_gcc(env): ver = methods.get_compiler_version(env) or [-1, -1] if ver[0] > major or (ver[0] == major and ver[1] >= minor): return True return False
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(CPPFLAGS=['-DDEBUG_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(CPPFLAGS=['-DDEBUG_ENABLED', '-DDEBUG_MEMORY_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(CPPFLAGS=['-DTYPED_METHOD_BIND']) env.extra_suffix = ".llvm" + env.extra_suffix if env['use_lld']: if env['use_llvm']: env.Append(LINKFLAGS=['-fuse-ld=lld']) if env['use_thinlto']: # A convenience so you don't need to write use_lto too when using SCons env['use_lto'] = True else: print("Using LLD with GCC is not supported yet, try compiling with 'use_llvm=yes'.") sys.exit(255) if env['use_ubsan'] or env['use_asan'] or env['use_lsan']: 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_lto']: if not env['use_llvm'] and env.GetOption("num_jobs") > 1: env.Append(CCFLAGS=['-flto']) env.Append(LINKFLAGS=['-flto=' + str(env.GetOption("num_jobs"))]) else: if env['use_lld'] and env['use_thinlto']: env.Append(CCFLAGS=['-flto=thin']) env.Append(LINKFLAGS=['-flto=thin']) else: env.Append(CCFLAGS=['-flto']) 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']) # Check for gcc version >= 6 before adding -no-pie if using_gcc(env): version = get_compiler_version(env) if version != None and version[0] >= '6': env.Append(CCFLAGS=['-fpie']) env.Append(LINKFLAGS=['-no-pie']) ## Dependencies env.ParseConfig('pkg-config x11 --cflags --libs') env.ParseConfig('pkg-config xcursor --cflags --libs') env.ParseConfig('pkg-config xinerama --cflags --libs') env.ParseConfig('pkg-config xrandr --cflags --libs') env.ParseConfig('pkg-config xrender --cflags --libs') env.ParseConfig('pkg-config xi --cflags --libs') if (env['touch']): env.Append(CPPFLAGS=['-DTOUCH_ENABLED']) # 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 str(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') 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_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 if (os.system("pkg-config --exists alsa") == 0): # 0 means found print("Enabling ALSA") env.Append(CPPFLAGS=["-DALSA_ENABLED", "-DALSAMIDI_ENABLED"]) # Don't parse --cflags, we don't need to add /usr/include/alsa to include path env.ParseConfig('pkg-config alsa --libs') else: print("ALSA libraries not found, disabling driver") if env['pulseaudio']: if (os.system("pkg-config --exists libpulse") == 0): # 0 means found print("Enabling PulseAudio") env.Append(CPPFLAGS=["-DPULSEAUDIO_ENABLED"]) env.ParseConfig('pkg-config --cflags --libs libpulse') else: print("PulseAudio development libraries not found, disabling driver") if (platform.system() == "Linux"): env.Append(CPPFLAGS=["-DJOYDEV_ENABLED"]) if env['udev']: if (os.system("pkg-config --exists libudev") == 0): # 0 means found print("Enabling udev support") env.Append(CPPFLAGS=["-DUDEV_ENABLED"]) env.ParseConfig('pkg-config libudev --cflags --libs') else: print("libudev development libraries not found, disabling udev support") # 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/x11']) env.Append(CPPFLAGS=['-DX11_ENABLED', '-DUNIX_ENABLED', '-DOPENGL_ENABLED', '-DGLES_ENABLED']) env.Append(LIBS=['GL', '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']) ## Cross-compilation if (is64 and env["bits"] == "32"): env.Append(CCFLAGS=['-m32']) env.Append(LINKFLAGS=['-m32', '-L/usr/lib/i386-linux-gnu']) elif (not is64 and env["bits"] == "64"): env.Append(CCFLAGS=['-m64']) env.Append(LINKFLAGS=['-m64', '-L/usr/lib/i686-linux-gnu']) # Link those statically for portability if env['use_static_cpp']: env.Append(LINKFLAGS=['-static-libgcc', '-static-libstdc++'])
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', 'DEBUG_MEMORY_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_lld']: if env['use_llvm']: env.Append(LINKFLAGS=['-fuse-ld=lld']) if env['use_thinlto']: # A convenience so you don't need to write use_lto too when using SCons env['use_lto'] = True else: print( "Using LLD with GCC is not supported yet, try compiling with 'use_llvm=yes'." ) sys.exit(255) 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']: if not env['use_llvm'] and env.GetOption("num_jobs") > 1: env.Append(CCFLAGS=['-flto']) env.Append(LINKFLAGS=['-flto=' + str(env.GetOption("num_jobs"))]) else: if env['use_lld'] and env['use_thinlto']: env.Append(CCFLAGS=['-flto=thin']) env.Append(LINKFLAGS=['-flto=thin']) else: env.Append(CCFLAGS=['-flto']) 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']) # Check for gcc version >= 6 before adding -no-pie version = get_compiler_version(env) or [-1, -1] if using_gcc(env): if version[0] >= 6: env.Append(CCFLAGS=['-fpie']) env.Append(LINKFLAGS=['-no-pie']) # Do the same for clang should be fine with Clang 4 and higher if using_clang(env): if version[0] >= 4: env.Append(CCFLAGS=['-fpie']) env.Append(LINKFLAGS=['-no-pie']) ## Dependencies env.ParseConfig('pkg-config x11 --cflags --libs') env.ParseConfig('pkg-config xcursor --cflags --libs') env.ParseConfig('pkg-config xinerama --cflags --libs') env.ParseConfig('pkg-config xrandr --cflags --libs') env.ParseConfig('pkg-config xrender --cflags --libs') env.ParseConfig('pkg-config xi --cflags --libs') if (env['touch']): env.Append(CPPDEFINES=['TOUCH_ENABLED']) # 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 if (os.system("pkg-config --exists alsa") == 0): # 0 means found print("Enabling ALSA") env.Append(CPPDEFINES=["ALSA_ENABLED", "ALSAMIDI_ENABLED"]) # Don't parse --cflags, we don't need to add /usr/include/alsa to include path env.ParseConfig('pkg-config alsa --libs') else: print("ALSA libraries not found, disabling driver") if env['pulseaudio']: if (os.system("pkg-config --exists libpulse") == 0): # 0 means found print("Enabling PulseAudio") env.Append(CPPDEFINES=["PULSEAUDIO_ENABLED"]) env.ParseConfig('pkg-config --cflags --libs libpulse') else: print( "PulseAudio development libraries not found, disabling driver") if (platform.system() == "Linux"): env.Append(CPPDEFINES=["JOYDEV_ENABLED"]) if env['udev']: if (os.system("pkg-config --exists libudev") == 0 ): # 0 means found print("Enabling udev support") env.Append(CPPDEFINES=["UDEV_ENABLED"]) env.ParseConfig('pkg-config libudev --cflags --libs') else: print( "libudev development libraries not found, disabling udev support" ) # 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/x11']) env.Append(CPPDEFINES=[ 'X11_ENABLED', 'UNIX_ENABLED', 'OPENGL_ENABLED', 'GLES_ENABLED' ]) env.Append(LIBS=['GL', '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']) if not env['tools']: import subprocess import re linker_version_str = subprocess.check_output( [env.subst(env["LINK"]), '-Wl,--version']).decode("utf-8") gnu_ld_version = re.search('^GNU ld [^$]*(\d+\.\d+)$', linker_version_str, re.MULTILINE) if not gnu_ld_version: print( "Warning: Creating template binaries enabled for PCK embedding is currently only supported with GNU ld" ) else: if float(gnu_ld_version.group(1)) >= 2.30: env.Append(LINKFLAGS=['-T', 'platform/x11/pck_embed.ld']) else: env.Append( LINKFLAGS=['-T', 'platform/x11/pck_embed.legacy.ld']) ## Cross-compilation if (is64 and env["bits"] == "32"): env.Append(CCFLAGS=['-m32']) env.Append(LINKFLAGS=['-m32', '-L/usr/lib/i386-linux-gnu']) elif (not is64 and env["bits"] == "64"): env.Append(CCFLAGS=['-m64']) env.Append(LINKFLAGS=['-m64', '-L/usr/lib/i686-linux-gnu']) # Link those statically for portability if env['use_static_cpp']: env.Append(LINKFLAGS=['-static-libgcc', '-static-libstdc++'])
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" machines = { "riscv64": "rv64", "ppc64le": "ppc64", "ppc64": "ppc64", "ppcle": "ppc", "ppc": "ppc", } if env["arch"] == "" and platform.machine() in machines: env["arch"] = machines[platform.machine()] if env["arch"] == "rv64": # G = General-purpose extensions, C = Compression extension (very common). env.Append(CCFLAGS=["-march=rv64gc"]) ## 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 if env["linker"] != "default": print("Using linker program: " + env["linker"]) if env["linker"] == "mold" and using_gcc( env): # GCC < 12.1 doesn't support -fuse-ld=mold. cc_version = get_compiler_version(env) cc_semver = (int(cc_version["major"]), int(cc_version["minor"])) if cc_semver < (12, 1): found_wrapper = False for path in [ "/usr/libexec", "/usr/local/libexec", "/usr/lib", "/usr/local/lib" ]: if os.path.isfile(path + "/mold/ld"): env.Append(LINKFLAGS=["-B" + path + "/mold"]) found_wrapper = True break if not found_wrapper: print( "Couldn't locate mold installation path. Make sure it's installed in /usr or /usr/local." ) sys.exit(255) else: env.Append(LINKFLAGS=["-fuse-ld=mold"]) else: env.Append(LINKFLAGS=["-fuse-ld=%s" % env["linker"]]) if env["use_thinlto"]: if not env["use_llvm"] or env["linker"] != "lld": print( "ThinLTO is only compatible with LLVM and the LLD linker, use `use_llvm=yes linker=lld`." ) sys.exit(255) else: env["use_lto"] = True # ThinLTO implies LTO if env["use_coverage"]: env.Append(CCFLAGS=["-ftest-coverage", "-fprofile-arcs"]) env.Append(LINKFLAGS=["-ftest-coverage", "-fprofile-arcs"]) if env["use_ubsan"] or env["use_asan"] or env["use_lsan"] or env[ "use_tsan"] or env["use_msan"]: env.extra_suffix += ".san" env.Append(CCFLAGS=["-DSANITIZERS_ENABLED"]) if env["use_ubsan"]: env.Append(CCFLAGS=[ "-fsanitize=undefined,shift,shift-exponent,integer-divide-by-zero,unreachable,vla-bound,null,return,signed-integer-overflow,bounds,float-divide-by-zero,float-cast-overflow,nonnull-attribute,returns-nonnull-attribute,bool,enum,vptr,pointer-overflow,builtin" ]) env.Append(LINKFLAGS=["-fsanitize=undefined"]) if env["use_llvm"]: env.Append(CCFLAGS=[ "-fsanitize=nullability-return,nullability-arg,function,nullability-assign,implicit-integer-sign-change" ]) else: env.Append(CCFLAGS=["-fsanitize=bounds-strict"]) if env["use_asan"]: env.Append(CCFLAGS=[ "-fsanitize=address,pointer-subtract,pointer-compare" ]) 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"] and env["use_llvm"]: env.Append(CCFLAGS=["-fsanitize=memory"]) env.Append(CCFLAGS=["-fsanitize-memory-track-origins"]) env.Append(CCFLAGS=["-fsanitize-recover=memory"]) env.Append(LINKFLAGS=["-fsanitize=memory"]) if env["use_lto"]: if env["use_thinlto"]: env.Append(CCFLAGS=["-flto=thin"]) env.Append(LINKFLAGS=["-flto=thin"]) elif not env["use_llvm"] and env.GetOption("num_jobs") > 1: env.Append(CCFLAGS=["-flto"]) env.Append(LINKFLAGS=["-flto=" + str(env.GetOption("num_jobs"))]) else: env.Append(CCFLAGS=["-flto"]) env.Append(LINKFLAGS=["-flto"]) if not env["use_llvm"]: env["RANLIB"] = "gcc-ranlib" env["AR"] = "gcc-ar" env.Append(CCFLAGS=["-pipe"]) ## Dependencies if env["x11"]: env.ParseConfig("pkg-config x11 --cflags --libs") env.ParseConfig("pkg-config xcursor --cflags --libs") env.ParseConfig("pkg-config xinerama --cflags --libs") env.ParseConfig("pkg-config xext --cflags --libs") env.ParseConfig("pkg-config xrandr --cflags --libs") env.ParseConfig("pkg-config xrender --cflags --libs") env.ParseConfig("pkg-config xi --cflags --libs") if env["touch"]: env.Append(CPPDEFINES=["TOUCH_ENABLED"]) # 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"] or env["builtin_graphite"] or env["builtin_harfbuzz"]): env["builtin_freetype"] = True env["builtin_libpng"] = True env["builtin_zlib"] = True env["builtin_graphite"] = True env["builtin_harfbuzz"] = True if not env["builtin_freetype"]: env.ParseConfig("pkg-config freetype2 --cflags --libs") if not env["builtin_graphite"]: env.ParseConfig("pkg-config graphite2 --cflags --libs") if not env["builtin_icu"]: env.ParseConfig("pkg-config icu-uc --cflags --libs") if not env["builtin_harfbuzz"]: env.ParseConfig("pkg-config harfbuzz harfbuzz-icu --cflags --libs") if not env["builtin_libpng"]: env.ParseConfig("pkg-config libpng16 --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_libvorbis"]: env["builtin_libogg"] = False # Needed to link against system libvorbis env.ParseConfig("pkg-config vorbis vorbisfile --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") if not env["builtin_embree"]: # No pkgconfig file so far, hardcode expected lib name. env.Append(LIBS=["embree3"]) ## Flags if env["fontconfig"]: if os.system("pkg-config --exists fontconfig") == 0: # 0 means found env.Append(CPPDEFINES=["FONTCONFIG_ENABLED"]) env.ParseConfig("pkg-config fontconfig --cflags" ) # Only cflags, we dlopen the library. else: env["fontconfig"] = False print( "Warning: fontconfig libraries not found. Disabling the system fonts support." ) if os.system("pkg-config --exists alsa") == 0: # 0 means found env["alsa"] = True env.Append(CPPDEFINES=["ALSA_ENABLED", "ALSAMIDI_ENABLED"]) env.ParseConfig( "pkg-config alsa --cflags") # Only cflags, we dlopen the library. else: print( "Warning: ALSA libraries not found. Disabling the ALSA audio driver." ) if env["pulseaudio"]: if os.system("pkg-config --exists libpulse") == 0: # 0 means found env.Append(CPPDEFINES=["PULSEAUDIO_ENABLED"]) env.ParseConfig("pkg-config libpulse --cflags" ) # Only cflags, we dlopen the library. else: env["pulseaudio"] = False print( "Warning: PulseAudio development libraries not found. Disabling the PulseAudio audio driver." ) if env["dbus"]: if os.system("pkg-config --exists dbus-1") == 0: # 0 means found env.Append(CPPDEFINES=["DBUS_ENABLED"]) env.ParseConfig("pkg-config dbus-1 --cflags" ) # Only cflags, we dlopen the library. else: print( "Warning: D-Bus development libraries not found. Disabling screensaver prevention." ) if env["speechd"]: if os.system( "pkg-config --exists speech-dispatcher") == 0: # 0 means found env.Append(CPPDEFINES=["SPEECHD_ENABLED"]) env.ParseConfig("pkg-config speech-dispatcher --cflags" ) # Only cflags, we dlopen the library. else: env["speechd"] = False print( "Warning: Speech Dispatcher development libraries not found. Disabling Text-to-Speech support." ) if platform.system() == "Linux": env.Append(CPPDEFINES=["JOYDEV_ENABLED"]) if env["udev"]: if os.system("pkg-config --exists libudev") == 0: # 0 means found env.Append(CPPDEFINES=["UDEV_ENABLED"]) env.ParseConfig("pkg-config libudev --cflags" ) # Only cflags, we dlopen the library. else: env["udev"] = False print( "Warning: libudev development libraries not found. Disabling controller hotplugging support." ) else: env["udev"] = False # Linux specific # 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/linuxbsd"]) if env["x11"]: if not env["vulkan"]: print("Error: X11 support requires vulkan=yes") env.Exit(255) env.Append(CPPDEFINES=["X11_ENABLED"]) env.Append(CPPDEFINES=["UNIX_ENABLED"]) env.Append(CPPDEFINES=[("_FILE_OFFSET_BITS", 64)]) if env["vulkan"]: env.Append(CPPDEFINES=["VULKAN_ENABLED"]) if not env["use_volk"]: env.ParseConfig("pkg-config vulkan --cflags --libs") if not env["builtin_glslang"]: # No pkgconfig file so far, hardcode expected lib name. env.Append(LIBS=["glslang", "SPIRV"]) if env["opengl3"]: env.Append(CPPDEFINES=["GLES3_ENABLED"]) env.ParseConfig("pkg-config gl --cflags --libs") 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"]) if not env["tools"]: import subprocess import re linker_version_str = subprocess.check_output( [env.subst(env["LINK"]), "-Wl,--version"]).decode("utf-8") gnu_ld_version = re.search("^GNU ld [^$]*(\d+\.\d+)$", linker_version_str, re.MULTILINE) if not gnu_ld_version: print( "Warning: Creating template binaries enabled for PCK embedding is currently only supported with GNU ld, not gold or LLD." ) else: if float(gnu_ld_version.group(1)) >= 2.30: env.Append(LINKFLAGS=["-T", "platform/linuxbsd/pck_embed.ld"]) else: env.Append( LINKFLAGS=["-T", "platform/linuxbsd/pck_embed.legacy.ld"]) ## Cross-compilation if is64 and env["bits"] == "32": env.Append(CCFLAGS=["-m32"]) env.Append(LINKFLAGS=["-m32", "-L/usr/lib/i386-linux-gnu"]) elif not is64 and env["bits"] == "64": env.Append(CCFLAGS=["-m64"]) env.Append(LINKFLAGS=["-m64", "-L/usr/lib/i686-linux-gnu"]) # Link those statically for portability if env["use_static_cpp"]: env.Append(LINKFLAGS=["-static-libgcc", "-static-libstdc++"]) if env["use_llvm"]: env["LINKCOM"] = env["LINKCOM"] + " -l:libatomic.a" else: if env["use_llvm"]: env.Append(LIBS=["atomic"])
def configure(env): ## Build type if env["target"] == "release": if env["debug_symbols"] != "full": 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["debug_symbols"] != "full": 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_lld"]: if env["use_llvm"]: env.Append(LINKFLAGS=["-fuse-ld=lld"]) if env["use_thinlto"]: # A convenience so you don't need to write use_lto too when using SCons env["use_lto"] = True else: print( "Using LLD with GCC is not supported yet, try compiling with 'use_llvm=yes'." ) sys.exit(255) 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,shift,shift-exponent,integer-divide-by-zero,unreachable,vla-bound,null,return,signed-integer-overflow,bounds,float-divide-by-zero,float-cast-overflow,nonnull-attribute,returns-nonnull-attribute,bool,enum,vptr,pointer-overflow,builtin" ]) if env["use_llvm"]: env.Append(CCFLAGS=[ "-fsanitize=nullability-return,nullability-arg,function,nullability-assign,implicit-integer-sign-change,implicit-signed-integer-truncation,implicit-unsigned-integer-truncation" ]) else: env.Append(CCFLAGS=["-fsanitize=bounds-strict"]) env.Append(LINKFLAGS=["-fsanitize=undefined"]) if env["use_asan"]: env.Append(CCFLAGS=[ "-fsanitize=address,pointer-subtract,pointer-compare" ]) 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"]: if not env["use_llvm"] and env.GetOption("num_jobs") > 1: env.Append(CCFLAGS=["-flto"]) env.Append(LINKFLAGS=["-flto=" + str(env.GetOption("num_jobs"))]) else: if env["use_lld"] and env["use_thinlto"]: env.Append(CCFLAGS=["-flto=thin"]) env.Append(LINKFLAGS=["-flto=thin"]) else: env.Append(CCFLAGS=["-flto"]) 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"]) # Check for gcc version >= 6 before adding -no-pie version = get_compiler_version(env) or [-1, -1] if using_gcc(env): if version[0] >= 6: env.Append(CCFLAGS=["-fpie"]) env.Append(LINKFLAGS=["-no-pie"]) # Do the same for clang should be fine with Clang 4 and higher if using_clang(env): if version[0] >= 4: env.Append(CCFLAGS=["-fpie"]) env.Append(LINKFLAGS=["-no-pie"]) ## Dependencies env.ParseConfig("pkg-config x11 --cflags --libs") env.ParseConfig("pkg-config xcursor --cflags --libs") env.ParseConfig("pkg-config xinerama --cflags --libs") env.ParseConfig("pkg-config xext --cflags --libs") env.ParseConfig("pkg-config xrandr --cflags --libs") env.ParseConfig("pkg-config xrender --cflags --libs") env.ParseConfig("pkg-config xi --cflags --libs") if env["touch"]: env.Append(CPPDEFINES=["TOUCH_ENABLED"]) # 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 if os.system("pkg-config --exists alsa") == 0: # 0 means found print("Enabling ALSA") env.Append(CPPDEFINES=["ALSA_ENABLED", "ALSAMIDI_ENABLED"]) # Don't parse --cflags, we don't need to add /usr/include/alsa to include path env.ParseConfig("pkg-config alsa --libs") else: print("ALSA libraries not found, disabling driver") if env["pulseaudio"]: if os.system("pkg-config --exists libpulse") == 0: # 0 means found print("Enabling PulseAudio") env.Append(CPPDEFINES=["PULSEAUDIO_ENABLED"]) env.ParseConfig("pkg-config --cflags --libs libpulse") else: print( "PulseAudio development libraries not found, disabling driver") if platform.system() == "Linux": env.Append(CPPDEFINES=["JOYDEV_ENABLED"]) if env["udev"]: if os.system("pkg-config --exists libudev") == 0: # 0 means found print("Enabling udev support") env.Append(CPPDEFINES=["UDEV_ENABLED"]) env.ParseConfig("pkg-config libudev --cflags --libs") else: print( "libudev development libraries not found, disabling udev support" ) # 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/x11"]) env.Append(CPPDEFINES=[ "X11_ENABLED", "UNIX_ENABLED", "OPENGL_ENABLED", "GLES_ENABLED" ]) env.Append(LIBS=["GL", "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"]) if not env["tools"]: import subprocess import re linker_version_str = subprocess.check_output( [env.subst(env["LINK"]), "-Wl,--version"]).decode("utf-8") gnu_ld_version = re.search("^GNU ld [^$]*(\d+\.\d+)$", linker_version_str, re.MULTILINE) if not gnu_ld_version: print( "Warning: Creating template binaries enabled for PCK embedding is currently only supported with GNU ld" ) else: if float(gnu_ld_version.group(1)) >= 2.30: env.Append(LINKFLAGS=["-T", "platform/x11/pck_embed.ld"]) else: env.Append( LINKFLAGS=["-T", "platform/x11/pck_embed.legacy.ld"]) ## Cross-compilation if is64 and env["bits"] == "32": env.Append(CCFLAGS=["-m32"]) env.Append(LINKFLAGS=["-m32", "-L/usr/lib/i386-linux-gnu"]) elif not is64 and env["bits"] == "64": env.Append(CCFLAGS=["-m64"]) env.Append(LINKFLAGS=["-m64", "-L/usr/lib/i686-linux-gnu"]) # Link those statically for portability if env["use_static_cpp"]: env.Append(LINKFLAGS=["-static-libgcc", "-static-libstdc++"])