mirror of
https://github.com/Relintai/pmlpp.git
synced 2024-11-13 13:57:19 +01:00
295 lines
10 KiB
Python
295 lines
10 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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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 Pandemonium 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/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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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.Append(LINKFLAGS=["-rdynamic"])
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if env["debug_symbols"]:
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# Adding dwarf-4 explicitly makes stacktraces work with clang builds,
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# otherwise addr2line doesn't understand them
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env.Append(CCFLAGS=["-gdwarf-4"])
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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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machines = {
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"riscv64": "rv64",
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"ppc64le": "ppc64",
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"ppc64": "ppc64",
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"ppcle": "ppc",
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"ppc": "ppc",
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}
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if env["arch"] == "" and platform.machine() in machines:
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env["arch"] = machines[platform.machine()]
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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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# Linker
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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_semver = tuple(get_compiler_version(env))
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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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# Sanitizers
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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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# 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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# 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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env.Prepend(CPPPATH=["#platform/x11"])
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env.Append(CPPDEFINES=["X11_ENABLED", "UNIX_ENABLED", ("_FILE_OFFSET_BITS", 64)])
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env.ParseConfig("pkg-config gl --cflags --libs")
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env.Append(LIBS=["pthread"])
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env.Append(LIBS=["m"])
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if platform.system() == "Linux":
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env.Append(LIBS=["dl"])
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if not env["execinfo"] and platform.libc_ver()[0] != "glibc":
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# The default crash handler depends on glibc, so if the host uses
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# a different libc (BSD libc, musl), fall back to libexecinfo.
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print("Note: Using `execinfo=yes` for the crash handler as required on platforms where glibc is missing.")
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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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## 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"] and platform.system() != "FreeBSD":
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#env["LINKCOM"] = env["LINKCOM"] + " -l:libatomic.a"
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env["LINKCOM"] = env["LINKCOM"] + " -latomic"
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else:
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if env["use_llvm"] and platform.system() != "FreeBSD":
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env.Append(LIBS=["atomic"])
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env.Append(LIBS=["stdc++"])
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