[Bug sanitizer/101111] xgcc cross-compiler for x86_64-apple-darwin in GCC 11.1 doesn't generate weak symbols, resulting in undefined reference to ___lsan_default_suppressions

[iains at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101111

--- Comment #10 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Mosè Giordano from comment #6)
> Created attachment 51038 [details]
> Patch to fix the reported issue
> 
> Please find attached a patch to fix the reported issue.  I replaced the
> bashism += with simple string interpolation, to make it complaint with
> strict POSIX shells.

This is OK for master and back-ports from the Darwin perspective (I guess
Martin plans to deal with this since he has assigned the PR, but if he does not
have time, I can apply this for you if you don't have write access).