tests/yaccvpath.test

   1 #! /bin/sh
   2
   3 # This test checks that dependent files are updated before including
   4 # in the distribution. `parse.c' depends on `parce.y'. The later is
   5 # updated so that `parse.c' should be rebuild. Then we are running
   6 # `make' and `make distdir' and check whether the version of `parse.c'
   7 # to be distributed is up to date.
   8
   9 . $srcdir/defs || exit 1
  10
  11 # Fail gracefully if no autoconf.
  12 $needs_autoconf
  13 # Likewise for some other tools.
  14 (gcc -v) > /dev/null 2>&1 || exit 77
  15 (bison -V) > /dev/null 2>&1 || exit 77
  16
  17 cat > configure.in << 'END'
  18 AC_INIT
  19 AC_CONFIG_AUX_DIR([.])
  20 AM_INIT_AUTOMAKE(foo, 0.1)
  21 PACKAGE=foo
  22 VERSION=0.1
  23 AC_PROG_CC
  24 AC_PROG_YACC
  25 AC_OUTPUT(Makefile)
  26 END
  27
  28 cat > Makefile.am << 'END'
  29 bin_PROGRAMS = foo
  30 foo_SOURCES = parse.y foo.c
  31 END
  32
  33 # Original parser, with `foobar'
  34 cat > parse.y << 'END'
  35 %{
  36 int yylex () {return 0;}
  37 void yyerror (char *s) {}
  38 %}
  39 %%
  40 foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
  41 END
  42
  43 cat > foo.c << 'END'
  44 int main () { return 0; }
  45 END
  46
  47 # We are not checking Autoconf, so we pick $YACC for it.
  48 YACC="bison -y"
  49 export YACC
  50
  51 set -e
  52
  53 $ACLOCAL
  54 $AUTOCONF
  55 $AUTOMAKE -a
  56
  57 $YACC parse.y
  58 mv y.tab.c parse.c
  59
  60 mkdir sub
  61 cd sub
  62 ../configure
  63
  64 # A delay is needed to make sure that the new parse.y is indeed newer
  65 # than parse.c, i.e. the they don't have the same timestamp.
  66 sleep 2
  67
  68 # New parser, with `fubar'
  69 cat > ../parse.y << 'END'
  70 %{
  71 int yylex () {return 0;}
  72 void yyerror (char *s) {}
  73 %}
  74 %%
  75 fubar : 'f' 'o' 'o' 'b' 'a' 'r' {};
  76 END
  77
  78 $MAKE
  79 $MAKE distdir
  80 grep fubar foo-0.1/parse.c
  81
  82 #
  83 # Now check to make sure that `make dist' will rebuild the parser.
  84 #
  85
  86 # A delay is needed to make sure that the new parse.y is indeed newer
  87 # than parse.c, i.e. the they don't have the same timestamp.
  88 sleep 2
  89
  90 # New parser, with `maude'
  91 cat > ../parse.y << 'END'
  92 %{
  93 int yylex () {return 0;}
  94 void yyerror (char *s) {}
  95 %}
  96 %%
  97 maude : 'm' 'a' 'u' 'd' 'e' {};
  98 END
  99
 100 $MAKE distdir
 101 grep maude foo-0.1/parse.c