t/remake-m4-pr10111.sh

   1 #! /bin/sh
   2 # Copyright (C) 2011-2024 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 # Check that our remake rules doesn't give spurious successes in
  18 # some corner case situations where they should actually fail.
  19 # See automake bug#10111.
  20 # To be clear, we are speaking about *very* corner-case situations here,
  21 # and the fact that the remake rules might get confused in them is not a
  22 # big deal in practice (in fact, this test *currently fails*).  Still,
  23 # keeping the limitation exposed is a good idea anyway.
  24
  25 . test-init.sh
  26
  27 cat >> configure.ac <<'END'
  28 m4_include([foobar.m4])
  29 AC_OUTPUT
  30 END
  31
  32 : > foobar.m4
  33
  34 cat > Makefile.am <<'END'
  35 $(srcdir)/foobar.m4:
  36         echo ': foobar was here :' > $@
  37 END
  38
  39 $ACLOCAL
  40 $AUTOCONF
  41 $AUTOMAKE
  42
  43 ./configure
  44
  45 # OK, so the developer wants to interactively try out how the
  46 # "distributed form" of his package behaves.
  47 $MAKE distdir
  48 cd $distdir
  49 # He's interested in trying out a VPATH build.
  50 mkdir build
  51 cd build
  52 ../configure
  53 # He wants to verify that the rules he's written to rebuild a file
  54 # included by configure.ac works also in VPATH builds.
  55 rm -f ../foobar.m4
  56 $MAKE
  57 grep ': foobar was here :' ../configure
  58 $MAKE distcheck
  59
  60 :