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      1 # Copyright 2013 The Chromium Authors. All rights reserved.
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 # This script locates the Android compilers given the bin directory of the
      6 # android toolchain.
      7 
      8 import glob
      9 import subprocess
     10 import sys
     11 
     12 if len(sys.argv) != 2:
     13   print "Error: expecting one argument of the android toolchain dir."
     14   sys.exit(1)
     15 
     16 # TODO(brettw) this logic seems like a bad idea. It was copied from
     17 # common.gypi. It seems like the toolchain should just know the name given the
     18 # current platform rather than having to rely on glob.
     19 android_toolchain = sys.argv[1]
     20 cc = glob.glob(android_toolchain + "/*-gcc")
     21 cxx = glob.glob(android_toolchain + "/*-g++")
     22 
     23 # We tolerate "no matches." In the Android AOSP WebView build, it runs this
     24 # logic and the directory doesn't exist, giving no matches. But that build runs
     25 # GYP to generate Android Makefiles which specify the compiler separately. So
     26 # all we need to do in this case is ignore the error and continue with empty
     27 # target compilers.
     28 if len(cc) == 0:
     29   cc = [""]
     30 if len(cxx) == 0:
     31   cxx = [""]
     32 if len(cc) != 1 or len(cxx) != 1:
     33   print "More than one matching compiler."
     34   sys.exit(1)
     35 
     36 # Get the host compilers from the current path.
     37 which_gcc = subprocess.check_output(["which gcc"], shell=True).strip()
     38 which_gxx = subprocess.check_output(["which g++"], shell=True).strip()
     39 
     40 print ('["' + cc[0] + '","' + cxx[0] + '","' + which_gcc + '","' +
     41        which_gxx + '"]')
     42