diff options
Diffstat (limited to 'platform/windows/detect.py')
| -rw-r--r-- | platform/windows/detect.py | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/platform/windows/detect.py b/platform/windows/detect.py index 82a98655c0..d2a9c2315f 100644 --- a/platform/windows/detect.py +++ b/platform/windows/detect.py @@ -381,6 +381,15 @@ def configure_msvc(env: "SConsEnvironment", vcvars_msvc_config): ## Compile/link flags + if env["use_llvm"]: + env["CC"] = "clang-cl" + env["CXX"] = "clang-cl" + env["LINK"] = "lld-link" + env["AR"] = "llvm-lib" + + env.AppendUnique(CPPDEFINES=["R128_STDC_ONLY"]) + env.extra_suffix = ".llvm" + env.extra_suffix + env["MAXLINELENGTH"] = 8192 # Windows Vista and beyond, so always applicable. if env["silence_msvc"] and not env.GetOption("clean"): @@ -465,7 +474,6 @@ def configure_msvc(env: "SConsEnvironment", vcvars_msvc_config): env.AppendUnique(CCFLAGS=["/Gd", "/GR", "/nologo"]) env.AppendUnique(CCFLAGS=["/utf-8"]) # Force to use Unicode encoding. - env.AppendUnique(CXXFLAGS=["/TP"]) # assume all sources are C++ # Once it was thought that only debug builds would be too large, # but this has recently stopped being true. See the mingw function # for notes on why this shouldn't be enabled for gcc @@ -590,6 +598,9 @@ def configure_msvc(env: "SConsEnvironment", vcvars_msvc_config): if env["target"] in ["editor", "template_debug"]: LIBS += ["psapi", "dbghelp"] + if env["use_llvm"]: + LIBS += [f"clang_rt.builtins-{env['arch']}"] + env.Append(LINKFLAGS=[p + env["LIBSUFFIX"] for p in LIBS]) if vcvars_msvc_config: @@ -605,14 +616,22 @@ def configure_msvc(env: "SConsEnvironment", vcvars_msvc_config): if env["lto"] != "none": if env["lto"] == "thin": - print_error("ThinLTO is only compatible with LLVM, use `use_llvm=yes` or `lto=full`.") - sys.exit(255) - env.AppendUnique(CCFLAGS=["/GL"]) - env.AppendUnique(ARFLAGS=["/LTCG"]) - if env["progress"]: - env.AppendUnique(LINKFLAGS=["/LTCG:STATUS"]) + 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 env["use_llvm"]: + env.Append(CCFLAGS=["-flto"]) + env.Append(LINKFLAGS=["-flto"]) else: - env.AppendUnique(LINKFLAGS=["/LTCG"]) + env.AppendUnique(CCFLAGS=["/GL"]) + env.AppendUnique(ARFLAGS=["/LTCG"]) + if env["progress"]: + env.AppendUnique(LINKFLAGS=["/LTCG:STATUS"]) + else: + env.AppendUnique(LINKFLAGS=["/LTCG"]) if vcvars_msvc_config: env.Prepend(CPPPATH=[p for p in str(os.getenv("INCLUDE")).split(";")]) |