libtool.m4 linker flag selection does not work for macOS Big Sur

Hi all, it seems that the setup in lines 1065-1083 in m4/libtool.m4 (cf. below) do not work for macOS Big Sur because they changed the major development version of the macOS. When I am linking my programs, I need -Wl,-undefined, -Wl,-dynamic_lookup but I end up with -Wl,-flat_namespace -Wl,-supp

[patch #9996] Patch libtool for macOS 11.0 (aka darwin20)

URL: Summary: Patch libtool for macOS 11.0 (aka darwin20) Project: GNU Libtool Submitted by: fxcoudert Submitted on: Mon 16 Nov 2020 03:22:20 PM UTC Category: None Pri

Re: bug#44684: libtool.m4 linker flag selection does not work for macOS Big Sur

Duplicate of #44605.