add nproc for Darwin

BUILD-FROM-SCRATCH

@@ -22,6 +22,11 @@
 
 # if we don't have nproc, it's better to assume just one core
 
+case `uname` in
+    Darwin)
+	alias nproc='sysctl -n hw.ncpu'
+	;;
+esac
 nprocs=`nproc || echo 1`
 
 # created: 2may00jaw

install-deps.sh

@@ -38,7 +38,7 @@ install_osx() {
   brew tap forthy42/homebrew-zsh
   brew update > /dev/null
   brew upgrade > /dev/null
-  brew install yodl gforth gcc harfbuzz texinfo xz mesa
+  brew install yodl gforth gcc harfbuzz texinfo xz mesa premake automake
   export PATH="/usr/local/opt/texinfo/bin:$PATH"
   brew cask install xquartz mactex
   export PATH="/Library/TeX/texbin:$PATH"