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| author |  Abseil Team <absl-team@google.com> | 2023-10-02 10:09:34 -0700 |
|---|---|---|
| committer |  Copybara-Service <copybara-worker@google.com> | 2023-10-02 10:10:25 -0700 |
| commit | 302d851a06072a581961970c1e120c2af7b70482 (patch) | |
| tree | b100bf8dffd45e44b3d406741f599cbfbaff7c7f /absl/base | |
| parent | 44e8609e7ee6ba85ca7bca43fdef51618a806405 (diff) | |
Re-submit with a fix for platforms without RTTI.
We test for `ABSL_INTERNAL_HAS_RTTI` in `absl::container_internal::TypeName` before calling `typeid`.
PiperOrigin-RevId: 570101013
Change-Id: I1f2f9b2f475a6beae50d0b88718b17b296311155
Diffstat (limited to 'absl/base')
| -rw-r--r-- | absl/base/config.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/absl/base/config.h b/absl/base/config.h index a8425ba7..52d42f0f 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -864,6 +864,19 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #define ABSL_INTERNAL_HAS_RTTI 1 #endif +// `ABSL_INTERNAL_HAS_CXA_DEMANGLE` determines whether `abi::__cxa_demangle` is +// available. +#ifdef ABSL_INTERNAL_HAS_CXA_DEMANGLE +#error ABSL_INTERNAL_HAS_CXA_DEMANGLE cannot be directly set +#elif defined(OS_ANDROID) && (defined(__i386__) || defined(__x86_64__)) +#define ABSL_INTERNAL_HAS_CXA_DEMANGLE 0 +#elif (__GNUC__ >= 4 || (__GNUC__ >= 3 && __GNUC_MINOR__ >= 4)) && \ + !defined(__mips__) +#define ABSL_INTERNAL_HAS_CXA_DEMANGLE 1 +#elif defined(__clang__) && !defined(_MSC_VER) +#define ABSL_INTERNAL_HAS_CXA_DEMANGLE 1 +#endif + // ABSL_INTERNAL_HAVE_SSE is used for compile-time detection of SSE support. // See https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html for an overview of // which architectures support the various x86 instruction sets. |