On Sat, Oct 1, 2022 at 10:30 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote: > > The error message looks weird, but the reason is that the 'private' > keyword is only supported since GNU Make 3.82. Sorry about that. Indeed, it was added in 3.82 [1,2]. Given GCC 5.1 (the current minimum) was released 5 years later, I guess it is OK to increase it. Reviewed-by: Miguel Ojeda <ojeda@xxxxxxxxxx> [1] https://git.savannah.gnu.org/cgit/make.git/commit/?id=5b4d419476e9fbda8ea26017f6ec15956d103ed9 [2] https://git.savannah.gnu.org/cgit/make.git/tree/ChangeLog?h=3.82#n814 Cheers, Miguel