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Add `use_asan` option for MSVC to enable AddressSanitizer 

Exposes AddressSanitizer support in MSVC compiler. Can be installed via individual
components in the Visual Studio 2019 Installer.

Disabled by default. Compile the engine with `scons use_asan=yes`.
This commit is contained in:
Andrii Doroshenko (Xrayez) 2021-03-12 18:44:06 +02:00
parent adf233ed04
commit 53901d870b
1 changed files with 7 additions and 0 deletions
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7
platform/windows/detect.py
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@ -72,6 +72,7 @@ def get_opts():
BoolVariable("use_llvm", "Use the LLVM compiler", False), BoolVariable("use_llvm", "Use the LLVM compiler", False),
BoolVariable("use_thinlto", "Use ThinLTO", False), BoolVariable("use_thinlto", "Use ThinLTO", False),
BoolVariable("use_static_cpp", "Link MinGW/MSVC C++ runtime libraries statically", True), BoolVariable("use_static_cpp", "Link MinGW/MSVC C++ runtime libraries statically", True),
BoolVariable("use_asan", "Use address sanitizer (ASAN)", False),
] ]
@ -306,6 +307,12 @@ def configure_msvc(env, manual_msvc_config):
env.Prepend(CPPPATH=[p for p in os.getenv("INCLUDE").split(";")]) env.Prepend(CPPPATH=[p for p in os.getenv("INCLUDE").split(";")])
env.Append(LIBPATH=[p for p in os.getenv("LIB").split(";")]) env.Append(LIBPATH=[p for p in os.getenv("LIB").split(";")])
# Sanitizers
if env["use_asan"]:
env.extra_suffix += ".s"
env.Append(LINKFLAGS=["/INFERASANLIBS"])
env.Append(CCFLAGS=["/fsanitize=address"])
# Incremental linking fix # Incremental linking fix
env["BUILDERS"]["ProgramOriginal"] = env["BUILDERS"]["Program"] env["BUILDERS"]["ProgramOriginal"] = env["BUILDERS"]["Program"]
env["BUILDERS"]["Program"] = methods.precious_program env["BUILDERS"]["Program"] = methods.precious_program