63153c9d36
This breaks the build with our updated i686 Linux SDK which doesn't contain this path, and may not be needed at all. This might need further work to be robust, and there's an open PR already adding -march flags for all supported architectures, but for now we're playing it safe for 4.2.
490 lines
19 KiB
Python
490 lines
19 KiB
Python
import os
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import platform
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import sys
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from methods import get_compiler_version, using_gcc
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from platform_methods import detect_arch
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from typing import TYPE_CHECKING
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if TYPE_CHECKING:
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from SCons import Environment
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def get_name():
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return "LinuxBSD"
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def can_build():
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if os.name != "posix" or sys.platform == "darwin":
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return False
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pkgconf_error = os.system("pkg-config --version > /dev/null")
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if pkgconf_error:
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print("Error: pkg-config not found. Aborting.")
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return False
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return True
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def get_opts():
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from SCons.Variables import BoolVariable, EnumVariable
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return [
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EnumVariable("linker", "Linker program", "default", ("default", "bfd", "gold", "lld", "mold")),
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BoolVariable("use_llvm", "Use the LLVM compiler", False),
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BoolVariable("use_static_cpp", "Link libgcc and libstdc++ statically for better portability", True),
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BoolVariable("use_coverage", "Test Godot coverage", False),
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BoolVariable("use_ubsan", "Use LLVM/GCC compiler undefined behavior sanitizer (UBSAN)", False),
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BoolVariable("use_asan", "Use LLVM/GCC compiler address sanitizer (ASAN)", False),
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BoolVariable("use_lsan", "Use LLVM/GCC compiler leak sanitizer (LSAN)", False),
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BoolVariable("use_tsan", "Use LLVM/GCC compiler thread sanitizer (TSAN)", False),
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BoolVariable("use_msan", "Use LLVM compiler memory sanitizer (MSAN)", False),
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BoolVariable("use_sowrap", "Dynamically load system libraries", True),
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BoolVariable("alsa", "Use ALSA", True),
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BoolVariable("pulseaudio", "Use PulseAudio", True),
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BoolVariable("dbus", "Use D-Bus to handle screensaver and portal desktop settings", True),
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BoolVariable("speechd", "Use Speech Dispatcher for Text-to-Speech support", True),
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BoolVariable("fontconfig", "Use fontconfig for system fonts support", True),
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BoolVariable("udev", "Use udev for gamepad connection callbacks", True),
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BoolVariable("x11", "Enable X11 display", True),
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BoolVariable("touch", "Enable touch events", True),
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BoolVariable("execinfo", "Use libexecinfo on systems where glibc is not available", False),
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]
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def get_doc_classes():
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return [
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"EditorExportPlatformLinuxBSD",
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]
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def get_doc_path():
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return "doc_classes"
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def get_flags():
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return [
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("arch", detect_arch()),
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]
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def configure(env: "Environment"):
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# Validate arch.
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supported_arches = ["x86_32", "x86_64", "arm32", "arm64", "rv64", "ppc32", "ppc64"]
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if env["arch"] not in supported_arches:
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print(
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'Unsupported CPU architecture "%s" for Linux / *BSD. Supported architectures are: %s.'
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% (env["arch"], ", ".join(supported_arches))
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)
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sys.exit(255)
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## Build type
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if env.dev_build:
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# This is needed for our crash handler to work properly.
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# gdb works fine without it though, so maybe our crash handler could too.
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env.Append(LINKFLAGS=["-rdynamic"])
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# Cross-compilation
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# TODO: Support cross-compilation on architectures other than x86.
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host_is_64_bit = sys.maxsize > 2**32
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if host_is_64_bit and env["arch"] == "x86_32":
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env.Append(CCFLAGS=["-m32"])
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env.Append(LINKFLAGS=["-m32"])
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elif not host_is_64_bit and env["arch"] == "x86_64":
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env.Append(CCFLAGS=["-m64"])
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env.Append(LINKFLAGS=["-m64"])
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# CPU architecture flags.
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if env["arch"] == "rv64":
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# G = General-purpose extensions, C = Compression extension (very common).
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env.Append(CCFLAGS=["-march=rv64gc"])
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## Compiler configuration
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if "CXX" in env and "clang" in os.path.basename(env["CXX"]):
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# Convenience check to enforce the use_llvm overrides when CXX is clang(++)
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env["use_llvm"] = True
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if env["use_llvm"]:
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if "clang++" not in os.path.basename(env["CXX"]):
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env["CC"] = "clang"
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env["CXX"] = "clang++"
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env.extra_suffix = ".llvm" + env.extra_suffix
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if env["linker"] != "default":
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print("Using linker program: " + env["linker"])
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if env["linker"] == "mold" and using_gcc(env): # GCC < 12.1 doesn't support -fuse-ld=mold.
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cc_version = get_compiler_version(env)
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cc_semver = (cc_version["major"], cc_version["minor"])
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if cc_semver < (12, 1):
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found_wrapper = False
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for path in ["/usr/libexec", "/usr/local/libexec", "/usr/lib", "/usr/local/lib"]:
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if os.path.isfile(path + "/mold/ld"):
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env.Append(LINKFLAGS=["-B" + path + "/mold"])
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found_wrapper = True
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break
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if not found_wrapper:
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print("Couldn't locate mold installation path. Make sure it's installed in /usr or /usr/local.")
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sys.exit(255)
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else:
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env.Append(LINKFLAGS=["-fuse-ld=mold"])
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else:
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env.Append(LINKFLAGS=["-fuse-ld=%s" % env["linker"]])
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if env["use_coverage"]:
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env.Append(CCFLAGS=["-ftest-coverage", "-fprofile-arcs"])
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env.Append(LINKFLAGS=["-ftest-coverage", "-fprofile-arcs"])
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if env["use_ubsan"] or env["use_asan"] or env["use_lsan"] or env["use_tsan"] or env["use_msan"]:
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env.extra_suffix += ".san"
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env.Append(CCFLAGS=["-DSANITIZERS_ENABLED"])
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if env["use_ubsan"]:
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env.Append(
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CCFLAGS=[
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"-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"
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]
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)
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env.Append(LINKFLAGS=["-fsanitize=undefined"])
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if env["use_llvm"]:
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env.Append(
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CCFLAGS=[
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"-fsanitize=nullability-return,nullability-arg,function,nullability-assign,implicit-integer-sign-change"
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]
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)
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else:
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env.Append(CCFLAGS=["-fsanitize=bounds-strict"])
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if env["use_asan"]:
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env.Append(CCFLAGS=["-fsanitize=address,pointer-subtract,pointer-compare"])
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env.Append(LINKFLAGS=["-fsanitize=address"])
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if env["use_lsan"]:
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env.Append(CCFLAGS=["-fsanitize=leak"])
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env.Append(LINKFLAGS=["-fsanitize=leak"])
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if env["use_tsan"]:
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env.Append(CCFLAGS=["-fsanitize=thread"])
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env.Append(LINKFLAGS=["-fsanitize=thread"])
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if env["use_msan"] and env["use_llvm"]:
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env.Append(CCFLAGS=["-fsanitize=memory"])
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env.Append(CCFLAGS=["-fsanitize-memory-track-origins"])
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env.Append(CCFLAGS=["-fsanitize-recover=memory"])
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env.Append(LINKFLAGS=["-fsanitize=memory"])
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# LTO
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if env["lto"] == "auto": # Full LTO for production.
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env["lto"] = "full"
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if env["lto"] != "none":
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if env["lto"] == "thin":
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if not env["use_llvm"]:
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print("ThinLTO is only compatible with LLVM, use `use_llvm=yes` or `lto=full`.")
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sys.exit(255)
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env.Append(CCFLAGS=["-flto=thin"])
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env.Append(LINKFLAGS=["-flto=thin"])
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elif not env["use_llvm"] and env.GetOption("num_jobs") > 1:
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env.Append(CCFLAGS=["-flto"])
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env.Append(LINKFLAGS=["-flto=" + str(env.GetOption("num_jobs"))])
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else:
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env.Append(CCFLAGS=["-flto"])
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env.Append(LINKFLAGS=["-flto"])
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if not env["use_llvm"]:
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env["RANLIB"] = "gcc-ranlib"
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env["AR"] = "gcc-ar"
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env.Append(CCFLAGS=["-pipe"])
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## Dependencies
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if env["use_sowrap"]:
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env.Append(CPPDEFINES=["SOWRAP_ENABLED"])
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if env["touch"]:
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env.Append(CPPDEFINES=["TOUCH_ENABLED"])
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# FIXME: Check for existence of the libs before parsing their flags with pkg-config
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# freetype depends on libpng and zlib, so bundling one of them while keeping others
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# as shared libraries leads to weird issues. And graphite and harfbuzz need freetype.
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ft_linked_deps = [
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env["builtin_freetype"],
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env["builtin_libpng"],
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env["builtin_zlib"],
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env["builtin_graphite"],
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env["builtin_harfbuzz"],
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]
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if (not all(ft_linked_deps)) and any(ft_linked_deps): # All or nothing.
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print(
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"These libraries should be either all builtin, or all system provided:\n"
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"freetype, libpng, zlib, graphite, harfbuzz.\n"
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"Please specify `builtin_<name>=no` for all of them, or none."
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)
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sys.exit(255)
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if not env["builtin_freetype"]:
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env.ParseConfig("pkg-config freetype2 --cflags --libs")
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if not env["builtin_graphite"]:
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env.ParseConfig("pkg-config graphite2 --cflags --libs")
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if not env["builtin_icu4c"]:
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env.ParseConfig("pkg-config icu-i18n icu-uc --cflags --libs")
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if not env["builtin_harfbuzz"]:
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env.ParseConfig("pkg-config harfbuzz harfbuzz-icu --cflags --libs")
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if not env["builtin_libpng"]:
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env.ParseConfig("pkg-config libpng16 --cflags --libs")
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if not env["builtin_enet"]:
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env.ParseConfig("pkg-config libenet --cflags --libs")
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if not env["builtin_squish"]:
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# libsquish doesn't reliably install its .pc file, so some distros lack it.
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env.Append(LIBS=["libsquish"])
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if not env["builtin_zstd"]:
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env.ParseConfig("pkg-config libzstd --cflags --libs")
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if env["brotli"] and not env["builtin_brotli"]:
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env.ParseConfig("pkg-config libbrotlicommon libbrotlidec --cflags --libs")
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# Sound and video libraries
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# Keep the order as it triggers chained dependencies (ogg needed by others, etc.)
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if not env["builtin_libtheora"]:
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env["builtin_libogg"] = False # Needed to link against system libtheora
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env["builtin_libvorbis"] = False # Needed to link against system libtheora
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env.ParseConfig("pkg-config theora theoradec --cflags --libs")
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else:
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if env["arch"] in ["x86_64", "x86_32"]:
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env["x86_libtheora_opt_gcc"] = True
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if not env["builtin_libvorbis"]:
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env["builtin_libogg"] = False # Needed to link against system libvorbis
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env.ParseConfig("pkg-config vorbis vorbisfile --cflags --libs")
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if not env["builtin_libogg"]:
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env.ParseConfig("pkg-config ogg --cflags --libs")
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if not env["builtin_libwebp"]:
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env.ParseConfig("pkg-config libwebp --cflags --libs")
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if not env["builtin_mbedtls"]:
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# mbedTLS does not provide a pkgconfig config yet. See https://github.com/ARMmbed/mbedtls/issues/228
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env.Append(LIBS=["mbedtls", "mbedcrypto", "mbedx509"])
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if not env["builtin_wslay"]:
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env.ParseConfig("pkg-config libwslay --cflags --libs")
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if not env["builtin_miniupnpc"]:
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# No pkgconfig file so far, hardcode default paths.
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env.Prepend(CPPPATH=["/usr/include/miniupnpc"])
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env.Append(LIBS=["miniupnpc"])
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# On Linux wchar_t should be 32-bits
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# 16-bit library shouldn't be required due to compiler optimizations
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if not env["builtin_pcre2"]:
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env.ParseConfig("pkg-config libpcre2-32 --cflags --libs")
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if not env["builtin_recastnavigation"]:
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# No pkgconfig file so far, hardcode default paths.
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env.Prepend(CPPPATH=["/usr/include/recastnavigation"])
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env.Append(LIBS=["Recast"])
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if not env["builtin_embree"] and env["arch"] in ["x86_64", "arm64"]:
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# No pkgconfig file so far, hardcode expected lib name.
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env.Append(LIBS=["embree3"])
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if not env["builtin_openxr"]:
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env.ParseConfig("pkg-config openxr --cflags --libs")
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if env["fontconfig"]:
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if not env["use_sowrap"]:
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if os.system("pkg-config --exists fontconfig") == 0: # 0 means found
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env.ParseConfig("pkg-config fontconfig --cflags --libs")
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env.Append(CPPDEFINES=["FONTCONFIG_ENABLED"])
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else:
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print("Warning: fontconfig development libraries not found. Disabling the system fonts support.")
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env["fontconfig"] = False
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else:
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env.Append(CPPDEFINES=["FONTCONFIG_ENABLED"])
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if env["alsa"]:
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if not env["use_sowrap"]:
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if os.system("pkg-config --exists alsa") == 0: # 0 means found
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env.ParseConfig("pkg-config alsa --cflags --libs")
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env.Append(CPPDEFINES=["ALSA_ENABLED", "ALSAMIDI_ENABLED"])
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else:
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print("Warning: ALSA development libraries not found. Disabling the ALSA audio driver.")
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env["alsa"] = False
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else:
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env.Append(CPPDEFINES=["ALSA_ENABLED", "ALSAMIDI_ENABLED"])
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if env["pulseaudio"]:
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if not env["use_sowrap"]:
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if os.system("pkg-config --exists libpulse") == 0: # 0 means found
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env.ParseConfig("pkg-config libpulse --cflags --libs")
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env.Append(CPPDEFINES=["PULSEAUDIO_ENABLED"])
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else:
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print("Warning: PulseAudio development libraries not found. Disabling the PulseAudio audio driver.")
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env["pulseaudio"] = False
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else:
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env.Append(CPPDEFINES=["PULSEAUDIO_ENABLED", "_REENTRANT"])
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if env["dbus"]:
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if not env["use_sowrap"]:
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if os.system("pkg-config --exists dbus-1") == 0: # 0 means found
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env.ParseConfig("pkg-config dbus-1 --cflags --libs")
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env.Append(CPPDEFINES=["DBUS_ENABLED"])
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else:
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print("Warning: D-Bus development libraries not found. Disabling screensaver prevention.")
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env["dbus"] = False
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else:
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env.Append(CPPDEFINES=["DBUS_ENABLED"])
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if env["speechd"]:
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if not env["use_sowrap"]:
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if os.system("pkg-config --exists speech-dispatcher") == 0: # 0 means found
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env.ParseConfig("pkg-config speech-dispatcher --cflags --libs")
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env.Append(CPPDEFINES=["SPEECHD_ENABLED"])
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else:
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print("Warning: speech-dispatcher development libraries not found. Disabling text to speech support.")
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env["speechd"] = False
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else:
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env.Append(CPPDEFINES=["SPEECHD_ENABLED"])
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if not env["use_sowrap"]:
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if os.system("pkg-config --exists xkbcommon") == 0: # 0 means found
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env.ParseConfig("pkg-config xkbcommon --cflags --libs")
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env.Append(CPPDEFINES=["XKB_ENABLED"])
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else:
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print(
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"Warning: libxkbcommon development libraries not found. Disabling dead key composition and key label support."
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)
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else:
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env.Append(CPPDEFINES=["XKB_ENABLED"])
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if platform.system() == "Linux":
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env.Append(CPPDEFINES=["JOYDEV_ENABLED"])
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if env["udev"]:
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if not env["use_sowrap"]:
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if os.system("pkg-config --exists libudev") == 0: # 0 means found
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env.ParseConfig("pkg-config libudev --cflags --libs")
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env.Append(CPPDEFINES=["UDEV_ENABLED"])
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else:
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print("Warning: libudev development libraries not found. Disabling controller hotplugging support.")
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env["udev"] = False
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else:
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env.Append(CPPDEFINES=["UDEV_ENABLED"])
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else:
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env["udev"] = False # Linux specific
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# Linkflags below this line should typically stay the last ones
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if not env["builtin_zlib"]:
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env.ParseConfig("pkg-config zlib --cflags --libs")
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env.Prepend(CPPPATH=["#platform/linuxbsd"])
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if env["use_sowrap"]:
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env.Prepend(CPPPATH=["#thirdparty/linuxbsd_headers"])
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env.Append(
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CPPDEFINES=[
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"LINUXBSD_ENABLED",
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"UNIX_ENABLED",
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("_FILE_OFFSET_BITS", 64),
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]
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)
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if env["x11"]:
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if not env["use_sowrap"]:
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if os.system("pkg-config --exists x11"):
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print("Error: X11 libraries not found. Aborting.")
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sys.exit(255)
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env.ParseConfig("pkg-config x11 --cflags --libs")
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if os.system("pkg-config --exists xcursor"):
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print("Error: Xcursor library not found. Aborting.")
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sys.exit(255)
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env.ParseConfig("pkg-config xcursor --cflags --libs")
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if os.system("pkg-config --exists xinerama"):
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print("Error: Xinerama library not found. Aborting.")
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sys.exit(255)
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env.ParseConfig("pkg-config xinerama --cflags --libs")
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if os.system("pkg-config --exists xext"):
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print("Error: Xext library not found. Aborting.")
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sys.exit(255)
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env.ParseConfig("pkg-config xext --cflags --libs")
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if os.system("pkg-config --exists xrandr"):
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print("Error: XrandR library not found. Aborting.")
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sys.exit(255)
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env.ParseConfig("pkg-config xrandr --cflags --libs")
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if os.system("pkg-config --exists xrender"):
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print("Error: XRender library not found. Aborting.")
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sys.exit(255)
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env.ParseConfig("pkg-config xrender --cflags --libs")
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if os.system("pkg-config --exists xi"):
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print("Error: Xi library not found. Aborting.")
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sys.exit(255)
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env.ParseConfig("pkg-config xi --cflags --libs")
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env.Append(CPPDEFINES=["X11_ENABLED"])
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if env["vulkan"]:
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env.Append(CPPDEFINES=["VULKAN_ENABLED"])
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if not env["use_volk"]:
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env.ParseConfig("pkg-config vulkan --cflags --libs")
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if not env["builtin_glslang"]:
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# No pkgconfig file so far, hardcode expected lib name.
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env.Append(LIBS=["glslang", "SPIRV"])
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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(r"^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"])
|
|
|
|
if platform.system() == "FreeBSD":
|
|
env.Append(LINKFLAGS=["-lkvm"])
|
|
|
|
# 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"])
|