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'])
# Do the same for clang should be fine with Clang 4 and higher
if using_clang(env):
version = get_compiler_version(env)
if version != None and 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(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.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(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.Prepend(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["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++"])