[PATCH] D56905: [libunwind] [SjLj] Don't use __declspec(thread) in MinGW mode
Martin Storsjö via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Jan 18 05:27:02 PST 2019
mstorsjo created this revision.
mstorsjo added reviewers: mclow.lists, EricWF, ldionne, compnerd, smeenai, rnk.
Herald added a subscriber: libcxx-commits.
mstorsjo edited the summary of this revision.
GCC and Clang in MinGW mode don't support `__declspec(thread)`, which after expanding macros ends up as `__attribute__((thread))`. Use the GCC specific attribute `__thread` instead (the next one in the chain of alternatives).
Repository:
rUNW libunwind
https://reviews.llvm.org/D56905
Files:
src/Unwind-sjlj.c
Index: src/Unwind-sjlj.c
===================================================================
--- src/Unwind-sjlj.c
+++ src/Unwind-sjlj.c
@@ -52,7 +52,7 @@
#else
# if __STDC_VERSION__ >= 201112L
# define _LIBUNWIND_THREAD_LOCAL _Thread_local
-# elif defined(_WIN32)
+# elif defined(_MSC_VER)
# define _LIBUNWIND_THREAD_LOCAL __declspec(thread)
# elif defined(__GNUC__) || defined(__clang__)
# define _LIBUNWIND_THREAD_LOCAL __thread
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