b7901c773c
Stop include Bullet headers using `-isystem` for GCC/Clang as it misleads SCons into not properly rebuilding all files when headers change. This means we also need to make sure Bullet builds without warning, and current version fares fairly well, there were just a couple to fix (patch included). Increase minimum version for distro packages to 2.90 (this was never released as the "next" version after 2.89 was 3.05... but that covers it too).
398 lines
15 KiB
Python
398 lines
15 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, using_clang
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def is_active():
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return True
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def get_name():
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return "X11"
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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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# Check the minimal dependencies
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x11_error = os.system("pkg-config --version > /dev/null")
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if x11_error:
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print("Error: pkg-config not found. Aborting.")
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return False
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x11_error = os.system("pkg-config x11 --modversion > /dev/null")
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if x11_error:
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print("Error: X11 libraries not found. Aborting.")
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return False
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x11_error = os.system("pkg-config xcursor --modversion > /dev/null")
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if x11_error:
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print("Error: Xcursor library not found. Aborting.")
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return False
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x11_error = os.system("pkg-config xinerama --modversion > /dev/null")
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if x11_error:
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print("Error: Xinerama library not found. Aborting.")
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return False
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x11_error = os.system("pkg-config xext --modversion > /dev/null")
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if x11_error:
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print("Error: Xext library not found. Aborting.")
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return False
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x11_error = os.system("pkg-config xrandr --modversion > /dev/null")
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if x11_error:
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print("Error: XrandR library not found. Aborting.")
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return False
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x11_error = os.system("pkg-config xrender --modversion > /dev/null")
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if x11_error:
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print("Error: XRender library not found. Aborting.")
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return False
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x11_error = os.system("pkg-config xi --modversion > /dev/null")
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if x11_error:
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print("Error: Xi library 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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BoolVariable("use_llvm", "Use the LLVM compiler", False),
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BoolVariable("use_lld", "Use the LLD linker", False),
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BoolVariable("use_thinlto", "Use ThinLTO", False),
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BoolVariable("use_static_cpp", "Link libgcc and libstdc++ statically for better portability", True),
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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/GCC compiler memory sanitizer (MSAN))", False),
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BoolVariable("pulseaudio", "Detect and use PulseAudio", True),
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BoolVariable("udev", "Use udev for gamepad connection callbacks", True),
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BoolVariable("debug_symbols", "Add debugging symbols to release/release_debug builds", True),
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BoolVariable("separate_debug_symbols", "Create a separate file containing debugging symbols", False),
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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_flags():
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return []
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def configure(env):
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## Build type
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if env["target"] == "release":
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if env["optimize"] == "speed": # optimize for speed (default)
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env.Prepend(CCFLAGS=["-O3"])
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elif env["optimize"] == "size": # optimize for size
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env.Prepend(CCFLAGS=["-Os"])
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if env["debug_symbols"]:
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env.Prepend(CCFLAGS=["-g2"])
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elif env["target"] == "release_debug":
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if env["optimize"] == "speed": # optimize for speed (default)
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env.Prepend(CCFLAGS=["-O2"])
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elif env["optimize"] == "size": # optimize for size
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env.Prepend(CCFLAGS=["-Os"])
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env.Prepend(CPPDEFINES=["DEBUG_ENABLED"])
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if env["debug_symbols"]:
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env.Prepend(CCFLAGS=["-g2"])
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elif env["target"] == "debug":
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env.Prepend(CCFLAGS=["-ggdb"])
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env.Prepend(CCFLAGS=["-g3"])
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env.Prepend(CPPDEFINES=["DEBUG_ENABLED"])
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env.Append(LINKFLAGS=["-rdynamic"])
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## Architecture
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is64 = sys.maxsize > 2 ** 32
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if env["bits"] == "default":
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env["bits"] = "64" if is64 else "32"
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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["use_lld"]:
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if env["use_llvm"]:
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env.Append(LINKFLAGS=["-fuse-ld=lld"])
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if env["use_thinlto"]:
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# A convenience so you don't need to write use_lto too when using SCons
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env["use_lto"] = True
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else:
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print("Using LLD with GCC is not supported yet. Try compiling with 'use_llvm=yes'.")
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sys.exit(255)
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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 += "s"
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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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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,implicit-signed-integer-truncation,implicit-unsigned-integer-truncation"
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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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env.Append(LINKFLAGS=["-fsanitize=undefined"])
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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"]:
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env.Append(CCFLAGS=["-fsanitize=memory"])
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env.Append(LINKFLAGS=["-fsanitize=memory"])
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if env["use_lto"]:
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if 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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if env["use_lld"] and env["use_thinlto"]:
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env.Append(CCFLAGS=["-flto=thin"])
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env.Append(LINKFLAGS=["-flto=thin"])
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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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env.Append(LINKFLAGS=["-pipe"])
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# Check for gcc version >= 6 before adding -no-pie
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version = get_compiler_version(env) or [-1, -1]
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if using_gcc(env):
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if version[0] >= 6:
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env.Append(CCFLAGS=["-fpie"])
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env.Append(LINKFLAGS=["-no-pie"])
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# Do the same for clang should be fine with Clang 4 and higher
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if using_clang(env):
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if version[0] >= 4:
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env.Append(CCFLAGS=["-fpie"])
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env.Append(LINKFLAGS=["-no-pie"])
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## Dependencies
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env.ParseConfig("pkg-config x11 --cflags --libs")
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env.ParseConfig("pkg-config xcursor --cflags --libs")
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env.ParseConfig("pkg-config xinerama --cflags --libs")
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env.ParseConfig("pkg-config xext --cflags --libs")
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env.ParseConfig("pkg-config xrandr --cflags --libs")
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env.ParseConfig("pkg-config xrender --cflags --libs")
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env.ParseConfig("pkg-config xi --cflags --libs")
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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
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if env["builtin_freetype"] or env["builtin_libpng"] or env["builtin_zlib"]:
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env["builtin_freetype"] = True
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env["builtin_libpng"] = True
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env["builtin_zlib"] = True
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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_libpng"]:
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env.ParseConfig("pkg-config libpng16 --cflags --libs")
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if not env["builtin_bullet"]:
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# We need at least version 2.90
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min_bullet_version = "2.90"
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import subprocess
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bullet_version = subprocess.check_output(["pkg-config", "bullet", "--modversion"]).strip()
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if str(bullet_version) < min_bullet_version:
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# Abort as system bullet was requested but too old
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print(
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"Bullet: System version {0} does not match minimal requirements ({1}). Aborting.".format(
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bullet_version, min_bullet_version
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)
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)
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sys.exit(255)
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env.ParseConfig("pkg-config bullet --cflags --libs")
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if False: # not env['builtin_assimp']:
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# FIXME: Add min version check
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env.ParseConfig("pkg-config assimp --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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env.ParseConfig("pkg-config libsquish --cflags --libs")
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if not env["builtin_zstd"]:
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env.ParseConfig("pkg-config libzstd --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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list_of_x86 = ["x86_64", "x86", "i386", "i586"]
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if any(platform.machine() in s for s in list_of_x86):
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env["x86_libtheora_opt_gcc"] = True
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if not env["builtin_libvpx"]:
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env.ParseConfig("pkg-config vpx --cflags --libs")
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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_opus"]:
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env["builtin_libogg"] = False # Needed to link against system opus
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env.ParseConfig("pkg-config opus opusfile --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 optimisations
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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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# Embree is only used in tools build on x86_64 and aarch64.
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if env["tools"] and not env["builtin_embree"] and is64:
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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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## Flags
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if os.system("pkg-config --exists alsa") == 0: # 0 means found
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env["alsa"] = True
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env.Append(CPPDEFINES=["ALSA_ENABLED", "ALSAMIDI_ENABLED"])
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else:
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print("Warning: ALSA libraries not found. Disabling the ALSA audio driver.")
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if env["pulseaudio"]:
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if os.system("pkg-config --exists libpulse") == 0: # 0 means found
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env.Append(CPPDEFINES=["PULSEAUDIO_ENABLED"])
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env.ParseConfig("pkg-config --cflags libpulse")
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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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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 os.system("pkg-config --exists libudev") == 0: # 0 means found
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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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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/x11"])
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env.Append(CPPDEFINES=["X11_ENABLED", "UNIX_ENABLED", "OPENGL_ENABLED", "GLES_ENABLED", ("_FILE_OFFSET_BITS", 64)])
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env.Append(LIBS=["GL", "pthread"])
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if platform.system() == "Linux":
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env.Append(LIBS=["dl"])
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if platform.system().find("BSD") >= 0:
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env["execinfo"] = True
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if env["execinfo"]:
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env.Append(LIBS=["execinfo"])
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if not env["tools"]:
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import subprocess
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import re
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linker_version_str = subprocess.check_output([env.subst(env["LINK"]), "-Wl,--version"]).decode("utf-8")
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gnu_ld_version = re.search("^GNU ld [^$]*(\d+\.\d+)$", linker_version_str, re.MULTILINE)
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if not gnu_ld_version:
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print(
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"Warning: Creating template binaries enabled for PCK embedding is currently only supported with GNU ld, not gold or LLD."
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)
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else:
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if float(gnu_ld_version.group(1)) >= 2.30:
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env.Append(LINKFLAGS=["-T", "platform/x11/pck_embed.ld"])
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else:
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env.Append(LINKFLAGS=["-T", "platform/x11/pck_embed.legacy.ld"])
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## Cross-compilation
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if is64 and env["bits"] == "32":
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env.Append(CCFLAGS=["-m32"])
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env.Append(LINKFLAGS=["-m32", "-L/usr/lib/i386-linux-gnu"])
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elif not is64 and env["bits"] == "64":
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env.Append(CCFLAGS=["-m64"])
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env.Append(LINKFLAGS=["-m64", "-L/usr/lib/i686-linux-gnu"])
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# Link those statically for portability
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if env["use_static_cpp"]:
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env.Append(LINKFLAGS=["-static-libgcc", "-static-libstdc++"])
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if env["use_llvm"]:
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env["LINKCOM"] = env["LINKCOM"] + " -l:libatomic.a"
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else:
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if env["use_llvm"]:
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env.Append(LIBS=["atomic"])
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