t/dist-missing-m4.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 # The stub rules emitted to work around the "deleted header problem"
  18 # for '.m4' files shouldn't prevent "make" from diagnosing a missing
  19 # required '.m4' file from a distribution tarball.
  20 # See discussion about automake bug#9768.
  21 # See also sister test 'dist-missing-included-m4.sh'.
  22
  23 . test-init.sh
  24
  25 cat >> configure.ac <<'END'
  26 m4_pattern_forbid([^MY_])
  27 MY_FOOBAR || exit 1
  28 MY_ZARDOZ || exit 1
  29 AC_OUTPUT
  30 END
  31
  32 mkdir m4
  33 echo 'AC_DEFUN([MY_FOOBAR], [:])' > m4/foobar.m4
  34 echo 'AC_DEFUN([MY_ZARDOZ], [:])' > m4/zardoz.m4
  35
  36 echo 'ACLOCAL_AMFLAGS = -I m4' > Makefile.am
  37
  38 $ACLOCAL -I m4
  39 $AUTOCONF
  40 $AUTOMAKE
  41
  42 ./configure
  43
  44 # A faulty distribution tarball, with a required '.m4' file missing.
  45 # Building from it should fail, both for in-tree and VPATH builds.
  46 ocwd=$(pwd) || fatal_ "cannot get current working directory"
  47 for vpath in false :; do
  48   $MAKE distdir
  49   test -f $distdir/m4/zardoz.m4 # Sanity check.
  50   rm -f $distdir/m4/zardoz.m4
  51   if $vpath; then
  52     # We can't just build in a subdirectory of $distdir, otherwise
  53     # we'll hit automake bug#10111.
  54     mkdir vpath-distcheck
  55     cd vpath-distcheck
  56     ../$distdir/configure
  57   else
  58     cd $distdir
  59     ./configure
  60   fi
  61   run_make -e FAIL -M
  62   # This error will come from autoconf, not make, so we can be stricter
  63   # in our grepping of it.
  64   grep 'possibly undefined .*MY_ZARDOZ' output
  65   grep 'MY_FOOBAR' output && exit 1 # No spurious error, please.
  66   cd "$ocwd" || fatal_ "cannot chdir back to top-level test directory"
  67 done
  68
  69 :