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libunwind: fix unwinding through libunwind stack frames

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Fixes #9591
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Sebastian Ullrich 2021-08-30 17:38:25 +02:00 committed by Andrew Kelley
parent 75263e160e
commit 9d4a6d67aa
1 changed files with 2 additions and 0 deletions
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src/libunwind.zig
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@ -71,6 +71,8 @@ pub fn buildStaticLib(comp: *Compilation) !void {
try cflags.append("-Wa,--noexecstack");
try cflags.append("-fvisibility=hidden");
try cflags.append("-fvisibility-inlines-hidden");
// necessary so that libunwind can unwind through its own stack frames
try cflags.append("-funwind-tables");
// This is intentionally always defined because the macro definition means, should it only
// build for the target specified by compiler defines. Since we pass -target the compiler