diff options
| author | Nico Weber <nicolasweber@gmx.de> | 2017-06-27 18:37:06 +0000 |
|---|---|---|
| committer | Nico Weber <nicolasweber@gmx.de> | 2017-06-27 18:37:06 +0000 |
| commit | 41f982e5887185b904a456e20dfcd58e6be6cc19 (patch) | |
| tree | d31298428a1fc4684f8032236287c16e6110b3ae | |
| parent | da5936d515cf12d2776a336a928940471147244d (diff) | |
[libunwind] Add _LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS
It's useful to be able to disable visibility annotations entirely; for
example, if we're building libunwind static to include in another library,
and we don't want any libunwind functions getting exported out of that
library.
https://reviews.llvm.org/D34637
Patch from Thomas Anderson <thomasanderson@chromium.org>!
git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@306442 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | src/config.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/config.h b/src/config.h index 4be98c8..ac8d7d9 100644 --- a/src/config.h +++ b/src/config.h @@ -44,9 +44,14 @@ #endif #endif -// FIXME: these macros are not correct for COFF targets -#define _LIBUNWIND_EXPORT __attribute__((visibility("default"))) -#define _LIBUNWIND_HIDDEN __attribute__((visibility("hidden"))) +#if defined(_LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS) + #define _LIBUNWIND_EXPORT + #define _LIBUNWIND_HIDDEN +#else + // FIXME: these macros are not correct for COFF targets + #define _LIBUNWIND_EXPORT __attribute__((visibility("default"))) + #define _LIBUNWIND_HIDDEN __attribute__((visibility("hidden"))) +#endif #if (defined(__APPLE__) && defined(__arm__)) || defined(__USING_SJLJ_EXCEPTIONS__) #define _LIBUNWIND_BUILD_SJLJ_APIS |