build/toolchain/android/find_android_compiler.py

   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 + '"]')