t/remake-subdir3.sh

   1 #! /bin/sh
   2 # Copyright (C) 2008-2024 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 # Make sure remaking rules work when subdir Makefile.in has been removed.
  18
  19 . test-init.sh
  20
  21 cat >> configure.ac << 'END'
  22 AC_CONFIG_FILES([sub/Makefile])
  23 AC_OUTPUT
  24 END
  25
  26 cat > Makefile.am <<'END'
  27 SUBDIRS = sub
  28 END
  29 mkdir sub
  30 : > sub/Makefile.am
  31
  32 $ACLOCAL
  33 $AUTOMAKE
  34 $AUTOCONF
  35 ./configure
  36 $MAKE
  37
  38 do_check ()
  39 {
  40   run_make -O
  41   test $(grep -c "/missing " stdout) -eq 1
  42 }
  43
  44 # Now, we are set up.  Ensure that, for either missing Makefile.in,
  45 # or updated Makefile.am, rebuild rules are run, and run exactly once
  46 # only.
  47
  48 rm -f Makefile.in
  49 do_check
  50
  51 rm -f sub/Makefile.in
  52 do_check
  53
  54 $sleep  # Let touched files appear newer.
  55
  56 touch Makefile.am
  57 do_check
  58
  59 touch sub/Makefile.am
  60 do_check
  61
  62 :