More work on installation and moving files around.

Move all installed libraries into auxlib.
Move all installed executable scripts into auxbin.

auxbin/jpm

@@ -0,0 +1,41 @@
+#!/usr/bin/env janet
+
+# CLI tool for building janet projects. Wraps cook.
+
+(import cook)
+
+(def- argpeg
+  (peg/compile
+    '(* "--" '(some (if-not "=" 1)) "=" '(any 1))))
+
+(defn- help
+  []
+  (print "usage: jpm [targets]... --key=value ...")
+  (print "Available targets are:")
+  (each k (sort (keys (dyn :rules @{})))
+    (print "  " k))
+  (print `
+
+Keys are:
+  --modpath : The directory to install modules to. Defaults to $JANET_MODPATH or module/*syspath*
+  --headerpath : The directory containing janet headers. Defaults to $JANET_HEADERPATH or module/*headerpath*
+  --binpath : The directory to install binaries and scripts. Defaults to $JANET_BINPATH.
+  --optimize : Optimization level for natives. Defaults to $OPTIMIZE or 2.
+  --compiler : C compiler to use for natives. Defaults to $COMPILER or cc.
+  --linker : C linker to use for linking natives. Defaults to $LINKER or cc.
+  --cflags : Extra compiler flags for native modules. Defaults to $CFLAGS if set.
+  --lflags : Extra linker flags for native modules. Defaults to $LFLAGS if set.
+    `))
+
+(def args (tuple/slice process/args 2))
+(def todo @[])
+(each arg args
+  (if (string/has-prefix? "--" arg)
+    (let [[key value] (peg/match argpeg arg)]
+      (setdyn (keyword key) value))
+    (array/push todo arg)))
+
+(cook/import-rules "./project.janet")
+
+(if (empty? todo) (help))
+(each rule todo (cook/do-rule rule))