375 lines
14 KiB
Python
375 lines
14 KiB
Python
import os
|
|
import platform
|
|
import sys
|
|
from methods import get_compiler_version, using_gcc
|
|
from platform_methods import detect_arch
|
|
|
|
from typing import TYPE_CHECKING
|
|
|
|
if TYPE_CHECKING:
|
|
from SCons import Environment
|
|
|
|
|
|
def is_active():
|
|
return True
|
|
|
|
|
|
def get_name():
|
|
return "LinuxBSD"
|
|
|
|
|
|
def can_build():
|
|
if os.name != "posix" or sys.platform == "darwin":
|
|
return False
|
|
|
|
pkgconf_error = os.system("pkg-config --version > /dev/null")
|
|
if pkgconf_error:
|
|
print("Error: pkg-config not found. Aborting.")
|
|
return False
|
|
|
|
return True
|
|
|
|
|
|
def get_opts():
|
|
from SCons.Variables import BoolVariable, EnumVariable
|
|
|
|
return [
|
|
EnumVariable("linker", "Linker program", "default", ("default", "bfd", "gold", "lld", "mold")),
|
|
BoolVariable("use_llvm", "Use the LLVM compiler", False),
|
|
BoolVariable("use_static_cpp", "Link libgcc and libstdc++ statically for better portability", True),
|
|
BoolVariable("use_coverage", "Test Godot coverage", 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),
|
|
BoolVariable("use_msan", "Use LLVM compiler memory sanitizer (MSAN)", False),
|
|
BoolVariable("alsa", "Use ALSA", True),
|
|
BoolVariable("pulseaudio", "Use PulseAudio", True),
|
|
BoolVariable("dbus", "Use D-Bus to handle screensaver and portal desktop settings", True),
|
|
BoolVariable("speechd", "Use Speech Dispatcher for Text-to-Speech support", True),
|
|
BoolVariable("fontconfig", "Use fontconfig for system fonts support", True),
|
|
BoolVariable("udev", "Use udev for gamepad connection callbacks", True),
|
|
BoolVariable("x11", "Enable X11 display", True),
|
|
BoolVariable("touch", "Enable touch events", True),
|
|
BoolVariable("execinfo", "Use libexecinfo on systems where glibc is not available", False),
|
|
]
|
|
|
|
|
|
def get_flags():
|
|
return [
|
|
("arch", detect_arch()),
|
|
]
|
|
|
|
|
|
def configure(env: "Environment"):
|
|
# Validate arch.
|
|
supported_arches = ["x86_32", "x86_64", "arm32", "arm64", "rv64", "ppc32", "ppc64"]
|
|
if env["arch"] not in supported_arches:
|
|
print(
|
|
'Unsupported CPU architecture "%s" for Linux / *BSD. Supported architectures are: %s.'
|
|
% (env["arch"], ", ".join(supported_arches))
|
|
)
|
|
sys.exit()
|
|
|
|
## Build type
|
|
|
|
if env.dev_build:
|
|
# This is needed for our crash handler to work properly.
|
|
# gdb works fine without it though, so maybe our crash handler could too.
|
|
env.Append(LINKFLAGS=["-rdynamic"])
|
|
|
|
# CPU architecture flags.
|
|
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_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"])
|
|
|
|
# LTO
|
|
|
|
if env["lto"] == "auto": # Full LTO for production.
|
|
env["lto"] = "full"
|
|
|
|
if env["lto"] != "none":
|
|
if env["lto"] == "thin":
|
|
if not env["use_llvm"]:
|
|
print("ThinLTO is only compatible with LLVM, use `use_llvm=yes` or `lto=full`.")
|
|
sys.exit(255)
|
|
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["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:
|
|
if env["arch"] in ["x86_64", "x86_32"]:
|
|
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 optimizations
|
|
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"]:
|
|
env.Append(CPPDEFINES=["FONTCONFIG_ENABLED"])
|
|
|
|
if env["alsa"]:
|
|
env.Append(CPPDEFINES=["ALSA_ENABLED", "ALSAMIDI_ENABLED"])
|
|
|
|
if env["pulseaudio"]:
|
|
env.Append(CPPDEFINES=["PULSEAUDIO_ENABLED", "_REENTRANT"])
|
|
|
|
if env["dbus"]:
|
|
env.Append(CPPDEFINES=["DBUS_ENABLED"])
|
|
|
|
if env["speechd"]:
|
|
env.Append(CPPDEFINES=["SPEECHD_ENABLED"])
|
|
|
|
if platform.system() == "Linux":
|
|
env.Append(CPPDEFINES=["JOYDEV_ENABLED"])
|
|
if env["udev"]:
|
|
env.Append(CPPDEFINES=["UDEV_ENABLED"])
|
|
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", "#thirdparty/linuxbsd_headers"])
|
|
|
|
env.Append(
|
|
CPPDEFINES=[
|
|
"LINUXBSD_ENABLED",
|
|
"UNIX_ENABLED",
|
|
("_FILE_OFFSET_BITS", 64),
|
|
]
|
|
)
|
|
|
|
if env["x11"]:
|
|
env.Append(CPPDEFINES=["X11_ENABLED"])
|
|
|
|
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.Append(LIBS=["pthread"])
|
|
|
|
if platform.system() == "Linux":
|
|
env.Append(LIBS=["dl"])
|
|
|
|
if not env["execinfo"] and platform.libc_ver()[0] != "glibc":
|
|
# The default crash handler depends on glibc, so if the host uses
|
|
# a different libc (BSD libc, musl), fall back to libexecinfo.
|
|
print("Note: Using `execinfo=yes` for the crash handler as required on platforms where glibc is missing.")
|
|
env["execinfo"] = True
|
|
|
|
if env["execinfo"]:
|
|
env.Append(LIBS=["execinfo"])
|
|
|
|
if not env.editor_build:
|
|
import subprocess
|
|
import re
|
|
|
|
linker_version_str = subprocess.check_output(
|
|
[env.subst(env["LINK"]), "-Wl,--version"] + env.subst(env["LINKFLAGS"])
|
|
).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 export template binaries enabled for PCK embedding is currently only supported with GNU ld, not gold, LLD or mold."
|
|
)
|
|
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
|
|
# TODO: Support cross-compilation on architectures other than x86.
|
|
host_is_64_bit = sys.maxsize > 2**32
|
|
if host_is_64_bit and env["arch"] == "x86_32":
|
|
env.Append(CCFLAGS=["-m32"])
|
|
env.Append(LINKFLAGS=["-m32", "-L/usr/lib/i386-linux-gnu"])
|
|
elif not host_is_64_bit and env["arch"] == "x86_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"] and platform.system() != "FreeBSD":
|
|
env["LINKCOM"] = env["LINKCOM"] + " -l:libatomic.a"
|
|
|
|
else:
|
|
if env["use_llvm"] and platform.system() != "FreeBSD":
|
|
env.Append(LIBS=["atomic"])
|