diff options
Diffstat (limited to 'absl/base/config.h')
| -rw-r--r-- | absl/base/config.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/absl/base/config.h b/absl/base/config.h index 429dd353..3f5ace3f 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -797,10 +797,27 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || // ABSL_HAVE_LEAK_SANITIZER // // LeakSanitizer (or lsan) is a detector of memory leaks. +// https://clang.llvm.org/docs/LeakSanitizer.html +// https://github.com/google/sanitizers/wiki/AddressSanitizerLeakSanitizer +// +// The macro ABSL_HAVE_LEAK_SANITIZER can be used to detect at compile-time +// whether the LeakSanitizer is potentially available. However, just because the +// LeakSanitizer is available does not mean it is active. Use the +// always-available run-time interface in //absl/debugging/leak_check.h for +// interacting with LeakSanitizer. #ifdef ABSL_HAVE_LEAK_SANITIZER #error "ABSL_HAVE_LEAK_SANITIZER cannot be directly set." +#elif defined(LEAK_SANITIZER) +// GCC provides no method for detecting the presense of the standalone +// LeakSanitizer (-fsanitize=leak), so GCC users of -fsanitize=leak should also +// use -DLEAK_SANITIZER. +#define ABSL_HAVE_LEAK_SANITIZER 1 +// Clang standalone LeakSanitizer (-fsanitize=leak) #elif ABSL_HAVE_FEATURE(leak_sanitizer) #define ABSL_HAVE_LEAK_SANITIZER 1 +#elif defined(ABSL_HAVE_ADDRESS_SANITIZER) +// GCC or Clang using the LeakSanitizer integrated into AddressSanitizer. +#define ABSL_HAVE_LEAK_SANITIZER 1 #endif // ABSL_HAVE_CLASS_TEMPLATE_ARGUMENT_DEDUCTION |