t/extra-programs-empty.sh

   1 #! /bin/sh
   2 # Copyright (C) 2003-2024 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 # Test that EXTRA_PROGRAMS doesn't get removed because it is empty.
  18 # This check has been introduced in commit 'Release-1-9-254-g9d0eaef'
  19 # into the former test 'subst2.test'.
  20
  21 . test-init.sh
  22
  23 cat >> configure.ac << 'END'
  24 AC_CONFIG_FILES([Makefile2 Makefile3])
  25 AC_SUBST([prog])
  26 AC_PROG_CC
  27 AC_OUTPUT
  28 END
  29
  30 cat > Makefile.am <<'END'
  31 EXTRA_PROGRAMS =
  32 END
  33
  34 cat > Makefile2.am <<'END'
  35 bin_PROGRAMS = a @prog@ b
  36 EXTRA_PROGRAMS =
  37 END
  38
  39 cat > Makefile3.am <<'END'
  40 empty =
  41 EXTRA_PROGRAMS = $(empty)
  42 END
  43
  44 $ACLOCAL
  45 $AUTOMAKE
  46
  47 grep '^EXTRA_PROGRAMS = *$' Makefile.in
  48 grep '^EXTRA_PROGRAMS = *$' Makefile2.in
  49 # Be laxer here, since EXTRA_PROGRAMS might be internally rewritten
  50 # by Automake when it contains references to other variables.
  51 grep '^EXTRA_PROGRAMS =' Makefile3.in
  52
  53 :