#!/usr/bin/python2

# Kernel build cleaner version 0.00000000001, or less.
# Copyright 2002 Rob Landley
# Released under the GNU General Public License version 2 or higher,
# (the GPL is available from www.gnu.org/copyleft/gpl.html)

import sys, string

noenter=0

def mangle(input, output):

  dir="."
  shutup=0
  leftovers=None

  # Repeat until spanked:

  while 1:
    result=None
    line=input.readline()
    if not line: break
    if shutup:
      output.write(".\n")
      continue

    # Reassemble split lines

    if leftovers:
      line="%s %s" % (leftovers,line)
    words=line.split()
    if words[-1]=='\\':
      leftovers=line
      continue
    else: leftovers=None

    # Stuff to just completely skip:

    #   make: When one make file calls another, it announces the fact.
    #   rm: Build explicitly deletes old .o file before calling linker (ld)
    #   mv, |: Produced by make dep with modversions.  Kludge.

    if words[0] in ("make", "rm", "|", "mv"): continue

    if words[0]=="gcc":
      action=None
      for i in range(len(words)):
        if words[i]=="-E": action="Preprocessing"
        elif words[i].endswith(".c"):
          if not action: action="Compiling"
          file=words[i]
        elif words[i].endswith(".S"):
          if not action: action="Assembling"
          file=words[i]
      if file: result="%s %s/%s" % (action,dir,file)
    elif words[0]=="ld":
      for i in range(len(words)):
        if words[i]=="-o":
          result="Linking %s/%s" % (dir,words[i+1])
          break
    elif words[0]=="as":
      result="Assembling %s/%s" % (dir,words[-1])
    elif words[0].startswith("make["):
      if words[2]=="directory":
        if words[1]=="Entering":
          dir=words[3][1:-1]
          if noenter: continue
          result="Entering %s" % dir
        else: continue  # Leaving directory is not interesting.
      if words[1]=="Nothing": continue # Pointless error message
    elif words[0].endswith("/mkdep"):
      result="Finding dependencies in %s" % dir
    elif words[0]=="nm":
      result="Extracting symbols to %s" % words[-1]
    elif words[0].startswith("tmppiggy="):
      result="Creating compressed kernel image"
      shutup=1
    elif words[0]=="ar":  # So linker dependencies don't have to change
      result="Creating empty object %s" % words[2]
    elif words[0]=="sh" or words[0]=='.' or words[0].find("/")!=-1:
      if words[0]=="sh":
        while words[1].startswith("-"): words[1:2]=[]
        words[0:1]=[]
      if words[0].find("/")!=-1:
        while words[0].startswith("./"): words[0]=words[0][2:]
        temp=["Running %s/%s" % (dir,words[0])]
      else: temp=["Running %s" % words[0]]
      temp.extend(words[1:])
      result=" ".join(temp)

    # That's all we understand.  Now do something with it.

    if not result:
      output.write("Unknown line: %s\n" % line)
    else:
      output.write(result)
      if not shutup: output.write("\n")

endofline="\r"
if len(sys.argv)>1:
  if sys.argv[1].find("n")!=-1: endofline="\n"
  if sys.argv[1].find("c")!=-1: showcount=1
  else: showcount=0
  if sys.argv[1].find("e")!=-1: noenter=1

mangle(sys.stdin, sys.stdout)
print