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