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-rw-r--r--platform/windows/detect.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/platform/windows/detect.py b/platform/windows/detect.py
index 2b1ed64f4a..1b55574b19 100644
--- a/platform/windows/detect.py
+++ b/platform/windows/detect.py
@@ -188,6 +188,7 @@ def get_opts():
BoolVariable("use_llvm", "Use the LLVM compiler", False),
BoolVariable("use_static_cpp", "Link MinGW/MSVC C++ runtime libraries statically", True),
BoolVariable("use_asan", "Use address sanitizer (ASAN)", False),
+ BoolVariable("debug_crt", "Compile with MSVC's debug CRT (/MDd)", False),
]
@@ -339,7 +340,7 @@ def configure_msvc(env, vcvars_msvc_config):
## Compile/link flags
- if env["optimize"] in ["debug", "none"]:
+ if env["debug_crt"]:
# Always use dynamic runtime, static debug CRT breaks thread_local.
env.AppendUnique(CCFLAGS=["/MDd"])
else: