[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

[mose at gnu dot org via Gcc-bugs]

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

--- Comment #6 from Mosè Giordano <mose at gnu dot org> ---
Created attachment 51038
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51038&action=edit
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.