t/python-too-old.sh

   1 #! /bin/sh
   2 # Copyright (C) 2003-2017 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17 # Test detection of too old Python, also forcing the python to use.
  18 # See also related test 't/python-am-path-missing.sh'.
  19
  20 am_create_testdir=empty
  21 required=python
  22 . test-init.sh
  23
  24 py_too_old ()
  25 {
  26   ./configure ${1+"PYTHON=$1"} >stdout 2>stderr && {
  27     cat stdout
  28     cat stderr >&2
  29     exit 1
  30   }
  31   cat stdout
  32   cat stderr >&2
  33   grep "whether $1 version is >= 9999\\.9\\.\\.\\. no *$" stdout
  34   grep '[Pp]ython interpreter is too old' stderr
  35 }
  36
  37 saved_PYTHON=$PYTHON; export saved_PYTHON
  38 unset PYTHON
  39
  40 cat > configure.ac <<END
  41 AC_INIT([$me], [1.0])
  42 # Hopefully the Python team will never release such a version.
  43 AM_PATH_PYTHON([9999.9])
  44 END
  45
  46 $ACLOCAL
  47 $AUTOCONF
  48
  49 py_too_old python
  50
  51 mkdir bin
  52 cat > bin/my-python << 'END'
  53 #! /bin/sh
  54 exec $saved_PYTHON ${1+"$@"}
  55 END
  56 chmod a+x bin/my-python
  57 PATH=$(pwd)/bin$PATH_SEPARATOR$PATH
  58
  59 py_too_old my-python
  60
  61 :