https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108027
--- Comment #10 from cqwrteur <unlvsur at live dot com> --- (In reply to LIU Hao from comment #9) > (In reply to cqwrteur from comment #8) > > if I delete them by hand, then gcc could not build anymore since build > > scripts of libstdc++ would complain .la do not exist > > No library in MSYS2 has been installed with .la files because they are never > necessary. i do not even understand why you are talking about msys2. I do Canadian compilation on linux. Cross compiling mcfgthread on Linux. This has nothing to do with msys2. I do not use msys2.