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Buildsystem: Refactor compiler detection code

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* Delete old check for gcc 8 as we support 9 or higher
* Flatten branches for clang and apple clang
* Renamed is_vanilla_clang to is_apple_clang to be more clear

Signed-off-by: Yevhen Babiichuk (DustDFG) <dfgdust@gmail.com>
This commit is contained in:
Yevhen Babiichuk (DustDFG) 2024-11-14 09:48:34 +02:00
parent 673f396677
commit d55ed0cb15
3 changed files with 21 additions and 28 deletions
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38
SConstruct
View File

@ -656,40 +656,32 @@ elif methods.using_gcc(env):
"to switch to posix threads."
)
Exit(255)
if env["debug_paths_relative"] and cc_version_major < 8:
print_warning("GCC < 8 doesn't support -ffile-prefix-map, disabling `debug_paths_relative` option.")
env["debug_paths_relative"] = False
elif methods.using_clang(env):
# Apple LLVM versions differ from upstream LLVM version \o/, compare
# in https://en.wikipedia.org/wiki/Xcode#Toolchain_versions
if env["platform"] == "macos" or env["platform"] == "ios":
vanilla = methods.is_vanilla_clang(env)
if vanilla and cc_version_major < 6:
print_error(
"Detected Clang version older than 6, which does not fully support "
"C++17. Supported versions are Clang 6 and later."
)
Exit(255)
elif not vanilla and cc_version_major < 10:
if methods.is_apple_clang(env):
if cc_version_major < 10:
print_error(
"Detected Apple Clang version older than 10, which does not fully "
"support C++17. Supported versions are Apple Clang 10 and later."
)
Exit(255)
if env["debug_paths_relative"] and not vanilla and cc_version_major < 12:
elif env["debug_paths_relative"] and cc_version_major < 12:
print_warning(
"Apple Clang < 12 doesn't support -ffile-prefix-map, disabling `debug_paths_relative` option."
)
env["debug_paths_relative"] = False
elif cc_version_major < 6:
print_error(
"Detected Clang version older than 6, which does not fully support "
"C++17. Supported versions are Clang 6 and later."
)
Exit(255)
if env["debug_paths_relative"] and cc_version_major < 10:
print_warning("Clang < 10 doesn't support -ffile-prefix-map, disabling `debug_paths_relative` option.")
env["debug_paths_relative"] = False
else:
if cc_version_major < 6:
print_error(
"Detected Clang version older than 6, which does not fully support "
"C++17. Supported versions are Clang 6 and later."
)
Exit(255)
elif env["debug_paths_relative"] and cc_version_major < 10:
print_warning("Clang < 10 doesn't support -ffile-prefix-map, disabling `debug_paths_relative` option.")
env["debug_paths_relative"] = False
elif env.msvc:
# Ensure latest minor builds of Visual Studio 2017/2019.
# https://github.com/godotengine/godot/pull/94995#issuecomment-2336464574
@ -753,7 +745,7 @@ else:
project_path = Dir("#").abspath
env.Append(CCFLAGS=[f"-ffile-prefix-map={project_path}=."])
else:
if methods.using_clang(env) and not methods.is_vanilla_clang(env):
if methods.is_apple_clang(env):
# Apple Clang, its linker doesn't like -s.
env.Append(LINKFLAGS=["-Wl,-S", "-Wl,-x", "-Wl,-dead_strip"])
else:

6
methods.py
View File

@ -652,7 +652,9 @@ def detect_darwin_sdk_path(platform, env):
raise
def is_vanilla_clang(env):
def is_apple_clang(env):
if env["platform"] not in ["macos", "ios"]:
return False
if not using_clang(env):
return False
try:
@ -660,7 +662,7 @@ def is_vanilla_clang(env):
except (subprocess.CalledProcessError, OSError):
print_warning("Couldn't parse CXX environment variable to infer compiler version.")
return False
return not version.startswith("Apple")
return version.startswith("Apple")
def get_compiler_version(env):

5
platform/macos/detect.py
View File

@ -2,7 +2,7 @@ import os
import sys
from typing import TYPE_CHECKING
from methods import detect_darwin_sdk_path, get_compiler_version, is_vanilla_clang, print_error, print_warning
from methods import detect_darwin_sdk_path, get_compiler_version, is_apple_clang, print_error, print_warning
from platform_methods import detect_arch, detect_mvk, validate_arch
if TYPE_CHECKING:
@ -101,10 +101,9 @@ def configure(env: "SConsEnvironment"):
cc_version = get_compiler_version(env)
cc_version_major = cc_version["apple_major"]
cc_version_minor = cc_version["apple_minor"]
vanilla = is_vanilla_clang(env)
# Workaround for Xcode 15 linker bug.
if not vanilla and cc_version_major == 1500 and cc_version_minor == 0:
if is_apple_clang(env) and cc_version_major == 1500 and cc_version_minor == 0:
env.Prepend(LINKFLAGS=["-ld_classic"])
env.Append(CCFLAGS=["-fobjc-arc"])