Failure to catch C++ exception in Haskell on OS X

Sat Jan 5 02:29:04 UTC 2019

On Fri, 4 Jan 2019 at 23:46, Adam Sandberg Eriksson
<adam at sandbergericsson.se> wrote:
> A ticket which seems to cover the same problem: https://ghc.haskell.org/trac/ghc/ticket/11829

Wonderful! I can confirm[1] that adding the following to the cabal
file fixes the problem:

  if os(darwin)
    ld-options: -Wl,-keep_dwarf_unwind

Shouldn't GHC do this by default when linking on OS X?

Bas

[1] https://github.com/basvandijk/darwin-cxx-exception-bug/commit/9b48441606d2fe364c2a21a4ca8ba6b7ff735fe5