message: define extra_args
diff: @@ -33,6 +33,7 @@ class Libsigsegv(Package):
  version('2.10', '7f96fb1f65b3b8cbc1582fb7be774f0f')
  def install(self, spec, prefix):
  + extra_args = []
  if os.environ['SYS_TYPE'].find("blueos_3") == 0:
  extra_args.append('ac_cv_build=powerpc64le-unknown-linux-gnu')
  @@ -40,4 +41,5 @@ class Libsigsegv(Package):
  '--enable-shared',*extra_args)
  make()
  +
  make("install")
  