https://lists.archlinux.org/archives/list/pacman-dev@lists.archlinux.org/thread/SJ2BZ7O2VVGZVQKCB6WNQQGQ22DMAAQP/
[pacman-dev] [RFC PATCH] makepkg: add support for SAMUFLAGS, comparable to MAKEFLAGS - Pacman-dev -...
add support
https://lists.freebsd.org/archives/freebsd-ports-bugs/2025-November/085417.html
[Bug 291061] lang/fpc: don't let MAKEFLAGS pollute gmake invocation
don tbuglangfpc