Created attachment 846788 [details] build.log for aarch64-unknown-linux-gnu Host: x86_64 Target: aarch64 For armv7a it seems to compile just fine
Created attachment 846790 [details] aarch64-unknown-linux-gnu-emerge --info
Please attach /usr/aarch64-unknown-linux-gnu/tmp/portage/app-editors/vim-9.0.0099-r1/work/vim-9.0.0099/src/auto/config.log
Created attachment 846792 [details] config.log
Looks like we need to set ac_cv_small_wchar_t in config.site.