cosmopolitan/tool/zsh/mmake

# Cosmopolitan zsh make helper.
# Setup (in ~/.zshrc, for instance):
#     fpath+=($COSMO/tool/zsh)
#     autoload -Uz mmake
# e.g.:
#     mmake tiny ape/ape.elf
local mode
case $1 in
  aarch64|x86_64|aarch64-(zero|tiny)|x86_64-tiny)     ;&
  zero|fastbuild|opt|optlinux|rel|asan|dbg|sysv)      ;&
  tiny(|linux(|bsd)|sysv|nowin)|nox87|llvm|ansi)      ##
                    mode=$1;                    shift ;;
  (m|MODE)=*)       mode=${1#*=};               shift ;;
  *)                mode=${MODE:-${m}}                ;;
esac
[[ -z $mode ]] && {
  local arch=$(uname -m)
  case $arch in
    arm64|aarch64)  mode=aarch64                      ;;
  esac
}
local -a targs
local -a flags
local j
while (( $# > 0 )); do
  case $1 in
    all|o|bins|check|test|depend|tags|aarch64)        ;&
    clean|toolchain|clean_toolchain|o/$mode/*)        ##
                    targs+=($1);                shift ;;
    -j*)            j=$1;                       shift ;;
    -*|*=*)         flags+=($1);                shift ;;
    o/(|aarch64)/*) targs+=(o/$mode/${1#*/*/}); shift ;;
    o/*)            targs+=(o/$mode/${1#*/});   shift ;;
    *)              targs+=(o/$mode/$1);        shift ;;
  esac
done
[[ -z $j ]] && {
  whence nproc >/dev/null || autoload -Uz nproc
  j=-j$(nproc)
}
local make=${MAKE:-$(echo /opt/cosmocc/bin/make(X) 2>/dev/null)}
[[ -z $make ]] && make=build/bootstrap/make.com
( set -x
  exec $make $j $flags MODE=$mode $targs )