t/remake-after-makefile-am.sh

   1 #! /bin/sh
   2 # Copyright (C) 2010-2024 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 remake rules when Makefile.am or its prerequisites change.
  18 # Keep in sync with the other sister tests 'remake-after-*.sh'.
  19
  20 . test-init.sh
  21
  22 if using_gmake; then
  23   remake_() { $MAKE nil; }
  24 else
  25   remake_() { $MAKE Makefile && $MAKE foo.sh; }
  26 fi
  27
  28 magic1=::MagicStringOne::
  29 magic2=__MagicStringTwo__
  30
  31 cat >> configure.ac <<END
  32 AC_OUTPUT
  33 END
  34
  35 cat > Makefile.am <<'END'
  36 FINGERPRINT = BadBadBad
  37
  38 all-local: nil
  39 nil: foo.sh
  40 .PHONY: nil
  41
  42 $(srcdir)/Makefile.am: $(srcdir)/tweak-makefile-am
  43         $(SHELL) $(srcdir)/tweak-makefile-am <$@ >$@-t
  44         mv -f $@-t $@
  45 EXTRA_DIST = $(srcdir)/tweak-makefile-am
  46
  47 foo.sh: Makefile
  48         rm -f $@ $@-t
  49         echo '#!/bin/sh' > $@-t
  50         echo "echo '$(FINGERPRINT)'" >> $@-t
  51         chmod a+x $@-t && mv -f $@-t $@
  52 CLEANFILES = foo.sh
  53
  54 # Used by "make distcheck" later.
  55 check-local:
  56         test x'$(FINGERPRINT)' = x'DummyValue'
  57         test x"`./foo.sh`" = x"DummyValue"
  58 END
  59
  60 echo cat > tweak-makefile-am # It is a no-op by default.
  61
  62 $ACLOCAL
  63 $AUTOCONF
  64 $AUTOMAKE
  65
  66 for vpath in : false; do
  67
  68   if $vpath; then
  69     mkdir build
  70     cd build
  71     srcdir=..
  72   else
  73     srcdir=.
  74   fi
  75
  76   $srcdir/configure
  77   $MAKE # Should be a no-op.
  78
  79   $sleep
  80   sed "s/^\\(FINGERPRINT\\) *=.*/\\1 = $magic1/" $srcdir/Makefile.am >t
  81   mv -f t $srcdir/Makefile.am
  82   remake_
  83   $FGREP FINGERPRINT Makefile # For debugging.
  84   $FGREP $magic1 Makefile
  85   test x"$(./foo.sh)" = x"$magic1"
  86
  87   $sleep
  88   echo 'sed "s/^\\(FINGERPRINT\\) *=.*/\\1 = '$magic2'/"' \
  89     > $srcdir/tweak-makefile-am
  90   remake_
  91   $FGREP FINGERPRINT Makefile # For debugging.
  92   $FGREP $magic1 Makefile && exit 1
  93   $FGREP $magic2 Makefile
  94   test x"$(./foo.sh)" = x"$magic2"
  95
  96   $sleep
  97   echo cat > $srcdir/tweak-makefile-am # Make it a no-op again.
  98   sed "s/^\\(FINGERPRINT\\) *=.*/\\1 = DummyValue/" $srcdir/Makefile.am >t
  99   mv -f t $srcdir/Makefile.am
 100   using_gmake || remake_
 101   $MAKE distcheck
 102   $FGREP $magic1 Makefile && exit 1 # Sanity check.
 103   $FGREP $magic2 Makefile && exit 1 # Likewise.
 104
 105   $MAKE distclean
 106
 107   cd $srcdir
 108
 109 done
 110
 111 :