Merge pull request #40924 from qarmin/more_undefined_flags

1 files changed, 17 insertions, 5 deletions

diff --git a/platform/osx/detect.py b/platform/osx/detect.py
index 5b320da82f..afdafe75e5 100644
--- a/platform/osx/detect.py
+++ b/platform/osx/detect.py
@@ -34,9 +34,9 @@ def get_opts():
         BoolVariable("debug_symbols", "Add debugging symbols to release/release_debug builds", True),
         BoolVariable("separate_debug_symbols", "Create a separate file containing debugging symbols", False),
         BoolVariable("use_ubsan", "Use LLVM/GCC compiler undefined behavior sanitizer (UBSAN)", False),
-        BoolVariable("use_asan", "Use LLVM/GCC compiler address sanitizer (ASAN))", False),
-        BoolVariable("use_lsan", "Use LLVM/GCC compiler leak sanitizer (LSAN))", False),
-        BoolVariable("use_tsan", "Use LLVM/GCC compiler thread sanitizer (TSAN))", False),
+        BoolVariable("use_asan", "Use LLVM/GCC compiler address sanitizer (ASAN)", False),
+        BoolVariable("use_lsan", "Use LLVM/GCC compiler leak sanitizer (LSAN)", False),
+        BoolVariable("use_tsan", "Use LLVM/GCC compiler thread sanitizer (TSAN)", False),
     ]
 
 
@@ -136,11 +136,23 @@ def configure(env):
         env.extra_suffix += "s"
 
         if env["use_ubsan"]:
-            env.Append(CCFLAGS=["-fsanitize=undefined"])
+            env.Append(
+                CCFLAGS=[
+                    "-fsanitize=undefined,shift,shift-exponent,integer-divide-by-zero,unreachable,vla-bound,null,return,signed-integer-overflow,bounds,float-divide-by-zero,float-cast-overflow,nonnull-attribute,returns-nonnull-attribute,bool,enum,vptr,pointer-overflow,builtin"
+                ]
+            )
             env.Append(LINKFLAGS=["-fsanitize=undefined"])
+            if env["use_llvm"]:
+                env.Append(
+                    CCFLAGS=[
+                        "-fsanitize=nullability-return,nullability-arg,function,nullability-assign,implicit-integer-sign-change,implicit-signed-integer-truncation,implicit-unsigned-integer-truncation"
+                    ]
+                )
+            else:
+                env.Append(CCFLAGS=["-fsanitize=bounds-strict"])
 
         if env["use_asan"]:
-            env.Append(CCFLAGS=["-fsanitize=address"])
+            env.Append(CCFLAGS=["-fsanitize=address,pointer-subtract,pointer-compare"])
             env.Append(LINKFLAGS=["-fsanitize=address"])
 
         if env["use_lsan"]: