42d3d9c345
Bug introduced in #45679.
Fixes part of #45816.
(cherry picked from commit 849c090343)
Also removes useless `debug_symbols=full` mode.
385 lines
14 KiB
Python
385 lines
14 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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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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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("xcursor not found.. x11 disabled.")
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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("xinerama not found.. x11 disabled.")
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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("xext not found.. x11 disabled.")
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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("xrandr not found.. x11 disabled.")
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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("xrender not found.. x11 disabled.")
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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("xi 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("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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else: # 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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else: # 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"]:
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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_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 2.89
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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) < "2.89":
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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, "2.89"
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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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## Flags
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if os.system("pkg-config --exists alsa") == 0: # 0 means found
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print("Enabling ALSA")
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env.Append(CPPDEFINES=["ALSA_ENABLED", "ALSAMIDI_ENABLED"])
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# Don't parse --cflags, we don't need to add /usr/include/alsa to include path
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env.ParseConfig("pkg-config alsa --libs")
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else:
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print("ALSA libraries not found, disabling 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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print("Enabling PulseAudio")
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env.Append(CPPDEFINES=["PULSEAUDIO_ENABLED"])
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env.ParseConfig("pkg-config --cflags --libs libpulse")
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else:
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print("PulseAudio development libraries not found, disabling 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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print("Enabling udev support")
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env.Append(CPPDEFINES=["UDEV_ENABLED"])
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env.ParseConfig("pkg-config libudev --cflags --libs")
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else:
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print("libudev development libraries not found, disabling udev support")
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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"])
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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"
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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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# Workaround for GH-31743, Ubuntu 18.04 i386 crashes when it's used.
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# That doesn't make any sense but it's likely a Ubuntu bug?
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if is64 or env["bits"] == "64":
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env.Append(LINKFLAGS=["-static-libgcc", "-static-libstdc++"])
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