t/yacc-dist-nobuild.sh

   1 #! /bin/sh
   2 # Copyright (C) 2011-2012 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 # Check that distributed Yacc-generated parsers are not uselessly
  18 # remade from an unpacked distributed tarball.
  19 # See automake bug#7884.
  20
  21 required='cc yacc'
  22 . ./defs || exit 1
  23
  24 cat >> configure.ac << 'END'
  25 AC_PROG_CC
  26 AC_PROG_YACC
  27 AC_OUTPUT
  28 END
  29
  30 cat > Makefile.am << 'END'
  31 bin_PROGRAMS = foobar zardoz
  32 foobar_SOURCES = parse.y main.c
  33 zardoz_SOURCES = $(foobar_SOURCES)
  34 zardoz_YFLAGS = -d
  35 END
  36
  37 cat > parse.y << 'END'
  38 %{
  39 int yylex () { return 0; }
  40 void yyerror (char *s) {}
  41 %}
  42 %%
  43 foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
  44 END
  45
  46 cat > main.c << 'END'
  47 int main () { return 0; }
  48 END
  49
  50 $ACLOCAL
  51 $AUTOCONF
  52 $AUTOMAKE -a
  53
  54 ./configure
  55 $MAKE
  56
  57 $MAKE distdir
  58 chmod -R a-w $distdir
  59
  60 mkdir bin
  61 cat > bin/yacc <<'END'
  62 #!/bin/sh
  63 echo "$0 invoked, shouldn't happen!" >&2
  64 exit 1
  65 END
  66 cp bin/yacc bin/bison
  67 chmod a+x bin/yacc bin/bison
  68 PATH=$(pwd)/bin$PATH_SEPARATOR$PATH
  69
  70 YACC=yacc BISON=bison
  71 export YACC BISON
  72
  73 mkdir build
  74 cd build
  75 ../$distdir/configure
  76 $MAKE
  77
  78 # Sanity check.
  79 cd ..
  80 chmod u+w $distdir
  81 rm -f $distdir/parse.c
  82 chmod a-w $distdir
  83 mkdir build2
  84 cd build2
  85 ../$distdir/configure
  86 $MAKE >out 2>&1 && { cat out; exit 1; }
  87 cat out
  88 $FGREP parse.c out
  89
  90 :