tests/mmodely.test

   1 #! /bin/sh
   2 # Copyright (C) 2004, 2006, 2007  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 3, 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 # Verify that intermediate files are only built from Yacc and Lex
  18 # sources in maintainer mode.
  19 # From Derek R. Price.
  20
  21 required=gcc
  22 . ./defs || exit 1
  23
  24 set -e
  25
  26 cat >> configure.in << 'END'
  27 AM_MAINTAINER_MODE
  28 AC_PROG_CC
  29 AM_PROG_LEX
  30 AC_PROG_YACC
  31 AC_OUTPUT
  32 END
  33
  34 cat > Makefile.am <<'END'
  35 YACC = false
  36 LEX = false
  37 bin_PROGRAMS = zardoz
  38 zardoz_SOURCES = zardoz.y joe.l
  39 LDADD = @LEXLIB@
  40 END
  41
  42 # The point of this test is that it is not dependant on a working lex or yacc.
  43 cat > joe.c <<EOF
  44 int joe (int arg)
  45 {
  46     return arg * 2;
  47 }
  48 EOF
  49 cat > zardoz.c <<EOF
  50 int joe (int arg);
  51 int main (int argc, char **argv)
  52 {
  53     exit (joe (argc));
  54 }
  55 EOF
  56
  57 # Ensure a later timestamp for our Lex & Yacc sources.
  58 $sleep
  59 : > joe.l
  60 : > zardoz.y
  61
  62 $ACLOCAL
  63 $AUTOCONF
  64 $AUTOMAKE -a
  65
  66 ./configure
  67 $MAKE
  68
  69 cat >myyacc.sh <<'END'
  70 #! /bin/sh
  71 echo "$@" >y.tab.c
  72 END
  73 cat >mylex.sh <<'END'
  74 echo "$@" >lex.yy.c
  75 END
  76 chmod +x myyacc.sh mylex.sh
  77 PATH="`pwd`:$PATH"
  78
  79 # make maintainer-clean; ./configure; make should always work,
  80 # per GNU Standard.
  81 $MAKE maintainer-clean
  82 ./configure
  83 YACC="myyacc.sh" LEX="mylex.sh" \
  84    LEX_OUTPUT_ROOT='lex.yy' $MAKE -e zardoz.c joe.c
  85 grep zardoz.y zardoz.c
  86 grep joe.l joe.c