tests/remake9c.test

   1 #! /bin/sh
   2 # Copyright (C) 2010-2012 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 <http://www.gnu.org/licenses/>.
  16
  17 # Test remake rules when acinclude.m4 or its prerequisites change.
  18 # Keep in sync with the other sister tests `remake9*.test'.
  19
  20 . ./defs || Exit 1
  21
  22 magic1=::MagicStringOne::
  23 magic2=__MagicStringTwo__
  24
  25 if using_gmake; then
  26   remake_() { $MAKE nil; }
  27 else
  28   remake_() { $MAKE Makefile && $MAKE foo.sh; }
  29 fi
  30
  31 cat >> configure.in <<END
  32 FINGERPRINT='my_fingerprint'
  33 AC_SUBST([FINGERPRINT])
  34 AC_CONFIG_FILES([foo.sh:foo.in], [chmod a+x foo.sh])
  35 AC_OUTPUT
  36 END
  37
  38 cat > Makefile.am <<'END'
  39 nil:
  40 .PHONY: nil
  41
  42 # The right way to extend an autogenerated aclocal.m4 is to provide
  43 # an acinclude.m4 file.
  44 $(srcdir)/acinclude.m4: $(srcdir)/tweak-acinclude-m4
  45         $(SHELL) $(srcdir)/tweak-acinclude-m4 <$@ >$@-t
  46         mv -f $@-t $@
  47         touch $@
  48 EXTRA_DIST = $(srcdir)/tweak-acinclude-m4
  49
  50 # Used by "make distcheck" later.
  51 check-local:
  52         test x'$(FINGERPRINT)' = x'DummyValue'
  53         test x"`./foo.sh`" = x"DummyValue"
  54 END
  55
  56 cat > foo.in <<END
  57 #!/bin/sh
  58 echo '@FINGERPRINT@'
  59 END
  60
  61 echo "AC_DEFUN([my_fingerprint], [BadBadBad])" > acinclude.m4
  62
  63 echo : > tweak-acinclude-m4 # It is a no-op by default.
  64
  65 $sleep # So that generated autotools files will be newer than prerequisites.
  66 $ACLOCAL
  67 $AUTOCONF
  68 $AUTOMAKE
  69
  70 for vpath in : false; do
  71
  72   if $vpath; then
  73     mkdir build
  74     cd build
  75     srcdir=..
  76   else
  77     srcdir=.
  78   fi
  79
  80   $srcdir/configure
  81   $MAKE # Should be a no-op.
  82
  83   $sleep
  84   echo "AC_DEFUN([my_fingerprint], [$magic1])" > $srcdir/acinclude.m4
  85   remake_
  86   $FGREP FINGERPRINT Makefile # For debugging.
  87   $FGREP $magic1 Makefile
  88   test x"`./foo.sh`" = x"$magic1"
  89
  90   $sleep
  91   echo "echo 'AC_DEFUN([my_fingerprint], [$magic2])'" \
  92     > $srcdir/tweak-acinclude-m4
  93   remake_
  94   $FGREP FINGERPRINT Makefile # For debugging.
  95   $FGREP $magic1 Makefile && Exit 1
  96   $FGREP $magic2 Makefile
  97   test x"`./foo.sh`" = x"$magic2"
  98
  99   $sleep
 100   echo : > $srcdir/tweak-acinclude-m4 # Make it a no-op again.
 101   echo "AC_DEFUN([my_fingerprint], [DummyValue])" > $srcdir/acinclude.m4
 102   using_gmake || remake_
 103   $MAKE distcheck
 104   $FGREP $magic1 Makefile && Exit 1 # Sanity check.
 105   $FGREP $magic2 Makefile && Exit 1 # Likewise.
 106
 107   $MAKE distclean
 108
 109   cd $srcdir
 110
 111 done
 112
 113 :