diff options
Diffstat (limited to 'platform/linuxbsd/detect.py')
| -rw-r--r-- | platform/linuxbsd/detect.py | 49 |
1 files changed, 33 insertions, 16 deletions
diff --git a/platform/linuxbsd/detect.py b/platform/linuxbsd/detect.py index 63f0b7b3b9..065250c40e 100644 --- a/platform/linuxbsd/detect.py +++ b/platform/linuxbsd/detect.py @@ -1,6 +1,7 @@ import os import platform import sys +from methods import get_compiler_version, using_gcc def is_active(): @@ -27,9 +28,9 @@ 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_thinlto", "Use ThinLTO (LLVM only, requires linker=lld, implies use_lto=yes)", 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), @@ -111,15 +112,32 @@ 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'.") + env.Append(LINKFLAGS=["-fuse-ld=%s" % env["linker"]]) + + if env["use_thinlto"]: + if not env["use_llvm"] or env["linker"] != "lld": + print("ThinLTO is only compatible with LLVM and the LLD linker, use `use_llvm=yes linker=lld`.") sys.exit(255) + else: + env["use_lto"] = True # ThinLTO implies LTO if env["use_coverage"]: env.Append(CCFLAGS=["-ftest-coverage", "-fprofile-arcs"]) @@ -164,16 +182,15 @@ def configure(env): env.Append(LINKFLAGS=["-fsanitize=memory"]) if env["use_lto"]: - if not env["use_llvm"] and env.GetOption("num_jobs") > 1: + if env["use_thinlto"]: + 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" |