diff options
Diffstat (limited to 'platform/windows/detect.py')
| -rw-r--r-- | platform/windows/detect.py | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/platform/windows/detect.py b/platform/windows/detect.py index 5607eab342..095d688213 100644 --- a/platform/windows/detect.py +++ b/platform/windows/detect.py @@ -191,7 +191,6 @@ def get_opts(): ), BoolVariable("use_mingw", "Use the Mingw compiler, even if MSVC is installed.", False), BoolVariable("use_llvm", "Use the LLVM compiler", False), - BoolVariable("use_thinlto", "Use ThinLTO", False), BoolVariable("use_static_cpp", "Link MinGW/MSVC C++ runtime libraries statically", True), BoolVariable("use_asan", "Use address sanitizer (ASAN)", False), ] @@ -351,7 +350,6 @@ def configure_msvc(env, vcvars_msvc_config): elif env["target"] == "debug": env.AppendUnique(CCFLAGS=["/Zi", "/FS", "/Od", "/EHsc"]) - # Allow big objects. Only needed for debug, see MinGW branch for rationale. env.Append(LINKFLAGS=["/DEBUG"]) if env["debug_symbols"]: @@ -449,7 +447,13 @@ def configure_msvc(env, vcvars_msvc_config): ## LTO - if env["use_lto"]: + if env["lto"] == "auto": # No LTO by default for MSVC, doesn't help. + env["lto"] = "none" + + if env["lto"] != "none": + if env["lto"] == "thin": + print("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"]: @@ -562,17 +566,24 @@ def configure_mingw(env): if try_cmd("gcc-ranlib --version", env["mingw_prefix"], env["arch"]): env["RANLIB"] = mingw_bin_prefix + "gcc-ranlib" - if env["use_lto"]: - if not env["use_llvm"] and env.GetOption("num_jobs") > 1: + ## LTO + + if env["lto"] == "auto": # Full LTO for production with MinGW. + 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_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"]) env.Append(LINKFLAGS=["-Wl,--stack," + str(STACK_SIZE)]) |