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-rw-r--r--platform/linuxbsd/detect.py213
1 files changed, 96 insertions, 117 deletions
diff --git a/platform/linuxbsd/detect.py b/platform/linuxbsd/detect.py
index 19cf341c85..ac69f3806b 100644
--- a/platform/linuxbsd/detect.py
+++ b/platform/linuxbsd/detect.py
@@ -1,6 +1,13 @@
import os
import platform
import sys
+from methods import get_compiler_version, using_gcc
+from platform_methods import detect_arch
+
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+ from SCons import Environment
def is_active():
@@ -15,47 +22,11 @@ def can_build():
if os.name != "posix" or sys.platform == "darwin":
return False
- # Check the minimal dependencies
- x11_error = os.system("pkg-config --version > /dev/null")
- if x11_error:
+ pkgconf_error = os.system("pkg-config --version > /dev/null")
+ if pkgconf_error:
print("Error: pkg-config not found. Aborting.")
return False
- x11_error = os.system("pkg-config x11 --modversion > /dev/null")
- if x11_error:
- print("Error: X11 libraries not found. Aborting.")
- return False
-
- x11_error = os.system("pkg-config xcursor --modversion > /dev/null")
- if x11_error:
- print("Error: Xcursor library not found. Aborting.")
- return False
-
- x11_error = os.system("pkg-config xinerama --modversion > /dev/null")
- if x11_error:
- print("Error: Xinerama library not found. Aborting.")
- return False
-
- x11_error = os.system("pkg-config xext --modversion > /dev/null")
- if x11_error:
- print("Error: Xext library not found. Aborting.")
- return False
-
- x11_error = os.system("pkg-config xrandr --modversion > /dev/null")
- if x11_error:
- print("Error: XrandR library not found. Aborting.")
- return False
-
- x11_error = os.system("pkg-config xrender --modversion > /dev/null")
- if x11_error:
- print("Error: XRender library not found. Aborting.")
- return False
-
- x11_error = os.system("pkg-config xi --modversion > /dev/null")
- if x11_error:
- print("Error: Xi library not found. Aborting.")
- return False
-
return True
@@ -63,9 +34,8 @@ def get_opts():
from SCons.Variables import BoolVariable, EnumVariable
return [
+ EnumVariable("linker", "Linker program", "default", ("default", "bfd", "gold", "lld", "mold")),
BoolVariable("use_llvm", "Use the LLVM compiler", False),
- BoolVariable("use_lld", "Use the LLD linker", False),
- BoolVariable("use_thinlto", "Use ThinLTO", False),
BoolVariable("use_static_cpp", "Link libgcc and libstdc++ statically for better portability", True),
BoolVariable("use_coverage", "Test Godot coverage", False),
BoolVariable("use_ubsan", "Use LLVM/GCC compiler undefined behavior sanitizer (UBSAN)", False),
@@ -74,63 +44,40 @@ def get_opts():
BoolVariable("use_tsan", "Use LLVM/GCC compiler thread sanitizer (TSAN)", False),
BoolVariable("use_msan", "Use LLVM compiler memory sanitizer (MSAN)", False),
BoolVariable("pulseaudio", "Detect and use PulseAudio", True),
- BoolVariable("dbus", "Detect and use D-Bus to handle screensaver", True),
+ BoolVariable("dbus", "Detect and use D-Bus to handle screensaver and portal desktop settings", True),
BoolVariable("speechd", "Detect and use Speech Dispatcher for Text-to-Speech support", True),
+ BoolVariable("fontconfig", "Detect and use fontconfig for system fonts support", True),
BoolVariable("udev", "Use udev for gamepad connection callbacks", True),
BoolVariable("x11", "Enable X11 display", True),
- BoolVariable("debug_symbols", "Add debugging symbols to release/release_debug builds", True),
- BoolVariable("separate_debug_symbols", "Create a separate file containing debugging symbols", False),
BoolVariable("touch", "Enable touch events", True),
BoolVariable("execinfo", "Use libexecinfo on systems where glibc is not available", False),
]
def get_flags():
- return []
-
-
-def configure(env):
- ## Build type
-
- if env["target"] == "release":
- if env["optimize"] == "speed": # optimize for speed (default)
- env.Prepend(CCFLAGS=["-O3"])
- elif env["optimize"] == "size": # optimize for size
- env.Prepend(CCFLAGS=["-Os"])
+ return [
+ ("arch", detect_arch()),
+ ]
- if env["debug_symbols"]:
- env.Prepend(CCFLAGS=["-g2"])
- elif env["target"] == "release_debug":
- if env["optimize"] == "speed": # optimize for speed (default)
- env.Prepend(CCFLAGS=["-O2"])
- elif env["optimize"] == "size": # optimize for size
- env.Prepend(CCFLAGS=["-Os"])
+def configure(env: "Environment"):
+ # Validate arch.
+ supported_arches = ["x86_32", "x86_64", "arm32", "arm64", "rv64", "ppc32", "ppc64"]
+ if env["arch"] not in supported_arches:
+ print(
+ 'Unsupported CPU architecture "%s" for Linux / *BSD. Supported architectures are: %s.'
+ % (env["arch"], ", ".join(supported_arches))
+ )
+ sys.exit()
- if env["debug_symbols"]:
- env.Prepend(CCFLAGS=["-g2"])
+ ## Build type
- elif env["target"] == "debug":
- env.Prepend(CCFLAGS=["-g3"])
+ if env.dev_build:
+ # This is needed for our crash handler to work properly.
+ # gdb works fine without it though, so maybe our crash handler could too.
env.Append(LINKFLAGS=["-rdynamic"])
- ## Architecture
-
- is64 = sys.maxsize > 2**32
- if env["bits"] == "default":
- env["bits"] = "64" if is64 else "32"
-
- machines = {
- "riscv64": "rv64",
- "ppc64le": "ppc64",
- "ppc64": "ppc64",
- "ppcle": "ppc",
- "ppc": "ppc",
- }
-
- if env["arch"] == "" and platform.machine() in machines:
- env["arch"] = machines[platform.machine()]
-
+ # CPU architecture flags.
if env["arch"] == "rv64":
# G = General-purpose extensions, C = Compression extension (very common).
env.Append(CCFLAGS=["-march=rv64gc"])
@@ -147,15 +94,25 @@ def configure(env):
env["CXX"] = "clang++"
env.extra_suffix = ".llvm" + env.extra_suffix
- if env["use_lld"]:
- if env["use_llvm"]:
- env.Append(LINKFLAGS=["-fuse-ld=lld"])
- if env["use_thinlto"]:
- # A convenience so you don't need to write use_lto too when using SCons
- env["use_lto"] = True
+ if env["linker"] != "default":
+ print("Using linker program: " + env["linker"])
+ if env["linker"] == "mold" and using_gcc(env): # GCC < 12.1 doesn't support -fuse-ld=mold.
+ cc_version = get_compiler_version(env)
+ cc_semver = (int(cc_version["major"]), int(cc_version["minor"]))
+ if cc_semver < (12, 1):
+ found_wrapper = False
+ for path in ["/usr/libexec", "/usr/local/libexec", "/usr/lib", "/usr/local/lib"]:
+ if os.path.isfile(path + "/mold/ld"):
+ env.Append(LINKFLAGS=["-B" + path + "/mold"])
+ found_wrapper = True
+ break
+ if not found_wrapper:
+ print("Couldn't locate mold installation path. Make sure it's installed in /usr or /usr/local.")
+ sys.exit(255)
+ else:
+ env.Append(LINKFLAGS=["-fuse-ld=mold"])
else:
- print("Using LLD with GCC is not supported yet. Try compiling with 'use_llvm=yes'.")
- sys.exit(255)
+ env.Append(LINKFLAGS=["-fuse-ld=%s" % env["linker"]])
if env["use_coverage"]:
env.Append(CCFLAGS=["-ftest-coverage", "-fprofile-arcs"])
@@ -199,34 +156,41 @@ def configure(env):
env.Append(CCFLAGS=["-fsanitize-recover=memory"])
env.Append(LINKFLAGS=["-fsanitize=memory"])
- if env["use_lto"]:
- if not env["use_llvm"] and env.GetOption("num_jobs") > 1:
+ # LTO
+
+ if env["lto"] == "auto": # Full LTO for production.
+ env["lto"] = "full"
+
+ if env["lto"] != "none":
+ if env["lto"] == "thin":
+ if not env["use_llvm"]:
+ print("ThinLTO is only compatible with LLVM, use `use_llvm=yes` or `lto=full`.")
+ sys.exit(255)
+ env.Append(CCFLAGS=["-flto=thin"])
+ env.Append(LINKFLAGS=["-flto=thin"])
+ elif not env["use_llvm"] and env.GetOption("num_jobs") > 1:
env.Append(CCFLAGS=["-flto"])
env.Append(LINKFLAGS=["-flto=" + str(env.GetOption("num_jobs"))])
else:
- if env["use_lld"] and env["use_thinlto"]:
- env.Append(CCFLAGS=["-flto=thin"])
- env.Append(LINKFLAGS=["-flto=thin"])
- else:
- env.Append(CCFLAGS=["-flto"])
- env.Append(LINKFLAGS=["-flto"])
+ env.Append(CCFLAGS=["-flto"])
+ env.Append(LINKFLAGS=["-flto"])
if not env["use_llvm"]:
env["RANLIB"] = "gcc-ranlib"
env["AR"] = "gcc-ar"
env.Append(CCFLAGS=["-pipe"])
- env.Append(LINKFLAGS=["-pipe"])
## Dependencies
- env.ParseConfig("pkg-config x11 --cflags --libs")
- env.ParseConfig("pkg-config xcursor --cflags --libs")
- env.ParseConfig("pkg-config xinerama --cflags --libs")
- env.ParseConfig("pkg-config xext --cflags --libs")
- env.ParseConfig("pkg-config xrandr --cflags --libs")
- env.ParseConfig("pkg-config xrender --cflags --libs")
- env.ParseConfig("pkg-config xi --cflags --libs")
+ if env["x11"]:
+ env.ParseConfig("pkg-config x11 --cflags --libs")
+ env.ParseConfig("pkg-config xcursor --cflags --libs")
+ env.ParseConfig("pkg-config xinerama --cflags --libs")
+ env.ParseConfig("pkg-config xext --cflags --libs")
+ env.ParseConfig("pkg-config xrandr --cflags --libs")
+ env.ParseConfig("pkg-config xrender --cflags --libs")
+ env.ParseConfig("pkg-config xi --cflags --libs")
if env["touch"]:
env.Append(CPPDEFINES=["TOUCH_ENABLED"])
@@ -280,8 +244,7 @@ def configure(env):
env["builtin_libvorbis"] = False # Needed to link against system libtheora
env.ParseConfig("pkg-config theora theoradec --cflags --libs")
else:
- list_of_x86 = ["x86_64", "x86", "i386", "i586"]
- if any(platform.machine() in s for s in list_of_x86):
+ if env["arch"] in ["x86_64", "x86_32"]:
env["x86_libtheora_opt_gcc"] = True
if not env["builtin_libvorbis"]:
@@ -317,6 +280,14 @@ def configure(env):
## Flags
+ if env["fontconfig"]:
+ if os.system("pkg-config --exists fontconfig") == 0: # 0 means found
+ env.Append(CPPDEFINES=["FONTCONFIG_ENABLED"])
+ env.ParseConfig("pkg-config fontconfig --cflags") # Only cflags, we dlopen the library.
+ else:
+ env["fontconfig"] = False
+ print("Warning: fontconfig libraries not found. Disabling the system fonts support.")
+
if os.system("pkg-config --exists alsa") == 0: # 0 means found
env["alsa"] = True
env.Append(CPPDEFINES=["ALSA_ENABLED", "ALSAMIDI_ENABLED"])
@@ -335,8 +306,9 @@ def configure(env):
if env["dbus"]:
if os.system("pkg-config --exists dbus-1") == 0: # 0 means found
env.Append(CPPDEFINES=["DBUS_ENABLED"])
- env.ParseConfig("pkg-config dbus-1 --cflags --libs")
+ env.ParseConfig("pkg-config dbus-1 --cflags") # Only cflags, we dlopen the library.
else:
+ env["dbus"] = False
print("Warning: D-Bus development libraries not found. Disabling screensaver prevention.")
if env["speechd"]:
@@ -382,25 +354,31 @@ def configure(env):
# No pkgconfig file so far, hardcode expected lib name.
env.Append(LIBS=["glslang", "SPIRV"])
- env.Append(CPPDEFINES=["GLES3_ENABLED"])
- env.ParseConfig("pkg-config gl --cflags --libs")
+ if env["opengl3"]:
+ env.Append(CPPDEFINES=["GLES3_ENABLED"])
+ env.ParseConfig("pkg-config gl --cflags --libs")
env.Append(LIBS=["pthread"])
if platform.system() == "Linux":
env.Append(LIBS=["dl"])
- if platform.system().find("BSD") >= 0:
+ 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["tools"]:
+ if not env.editor_build:
import subprocess
import re
- linker_version_str = subprocess.check_output([env.subst(env["LINK"]), "-Wl,--version"]).decode("utf-8")
+ linker_version_str = subprocess.check_output(
+ [env.subst(env["LINK"]), "-Wl,--version"] + env.subst(env["LINKFLAGS"])
+ ).decode("utf-8")
gnu_ld_version = re.search("^GNU ld [^$]*(\d+\.\d+)$", linker_version_str, re.MULTILINE)
if not gnu_ld_version:
print(
@@ -413,11 +391,12 @@ def configure(env):
env.Append(LINKFLAGS=["-T", "platform/linuxbsd/pck_embed.legacy.ld"])
## Cross-compilation
-
- if is64 and env["bits"] == "32":
+ # TODO: Support cross-compilation on architectures other than x86.
+ host_is_64_bit = sys.maxsize > 2**32
+ if host_is_64_bit and env["arch"] == "x86_32":
env.Append(CCFLAGS=["-m32"])
env.Append(LINKFLAGS=["-m32", "-L/usr/lib/i386-linux-gnu"])
- elif not is64 and env["bits"] == "64":
+ elif not host_is_64_bit and env["arch"] == "x86_64":
env.Append(CCFLAGS=["-m64"])
env.Append(LINKFLAGS=["-m64", "-L/usr/lib/i686-linux-gnu"])