t/yacc-basic.sh

   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 # Basic semantic checks on Yacc support (without yacc-generated headers).
  18 # Keep in sync with sister test 'yacc-cxx.sh'.
  19
  20 required='cc yacc'
  21 . ./defs || exit 1
  22
  23 cat >> configure.ac << 'END'
  24 AC_PROG_CC
  25 AC_PROG_YACC
  26 AC_OUTPUT
  27 END
  28
  29 cat > Makefile.am << 'END'
  30 bin_PROGRAMS = foo bar
  31 foo_SOURCES = parse.y foo.c
  32 bar_SOURCES = $(foo_SOURCES)
  33 bar_YFLAGS = -v
  34
  35 .PHONY: echo-distcom
  36 echo-distcom:
  37         @echo ' ' $(DIST_COMMON) ' '
  38 END
  39
  40 cat > parse.y << 'END'
  41 %{
  42 #include <stdio.h>
  43 #include <stdlib.h>
  44 int yylex () { return getchar (); }
  45 void yyerror (char *s) {}
  46 %}
  47 %%
  48 a : 'a' { exit(0); };
  49 END
  50
  51 cat > foo.c << 'END'
  52 int main () { yyparse (); return 1; }
  53 END
  54
  55 $ACLOCAL
  56 $AUTOCONF
  57 $AUTOMAKE -a
  58
  59 ./configure
  60 $MAKE
  61 ls -l
  62 # The Yacc-derived C sources must be created, and not removed once
  63 # compiled (i.e., not treated like "intermediate files" in the GNU
  64 # make sense).
  65 test -f parse.c
  66 test -f bar-parse.c
  67 # Check that per-object flags are honored.
  68 test -f bar-parse.output
  69
  70 if ! cross_compiling; then
  71   echo a | ./foo
  72   echo b | ./foo && exit 1
  73   echo a | ./bar
  74   echo b | ./bar && exit 1
  75   : For shells with busted 'set -e'.
  76 fi
  77
  78 # The Yacc-derived C sources must be shipped.
  79 $MAKE echo-distcom
  80 $MAKE -s echo-distcom | grep '[ /]parse\.c '
  81 $MAKE -s echo-distcom | grep '[ /]bar-parse\.c '
  82 $MAKE distdir
  83 ls -l $distdir
  84 test -f $distdir/parse.c
  85 test -f $distdir/bar-parse.c
  86
  87 # Sanity check on distribution.
  88 # Note that, for this to succeed, bar-parse.output must either not
  89 # be distributed, or properly cleaned by automake-generated rules.
  90 # We don't want to set the exact semantics yet, but want to ensure
  91 # they are are consistent.
  92 yl_distcheck
  93
  94 # Make sure that the Yacc-derived C sources are erased by
  95 # maintainer-clean, and not by distclean.
  96 test -f parse.c
  97 test -f bar-parse.c
  98 $MAKE distclean
  99 ls -l
 100 test -f parse.c
 101 test -f bar-parse.c
 102 ./configure # We must re-create 'Makefile'.
 103 $MAKE maintainer-clean
 104 ls -l
 105 test ! -e parse.c
 106 test ! -e bar-parse.c
 107
 108 :