tests/lex-line.test

   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 automake lex support ensures that lex-generated C
  18 # files use correct "#line" directives.  Try also with the
  19 # `subdir-object' option enabled.
  20 # See also sister test `yacc-line.test'.
  21
  22 required=lex
  23 . ./defs || Exit 1
  24
  25 set -e
  26
  27 cat >> configure.in << 'END'
  28 AC_CONFIG_FILES([sub/Makefile])
  29 AC_PROG_CC
  30 AM_PROG_CC_C_O
  31 AC_PROG_LEX
  32 AC_OUTPUT
  33 END
  34
  35 mkdir dir sub sub/dir
  36
  37 cat > Makefile.am << 'END'
  38 SUBDIRS = sub
  39 bin_PROGRAMS = foo bar
  40 LDADD = $(LEXLIB)
  41 bar_LFLAGS = -v
  42 foo_SOURCES = zardoz.l
  43 bar_SOURCES = dir/quux.l
  44 ## Avoid spurious failures with Solaris make.
  45 zardoz.@OBJEXT@: zardoz.c
  46 bar-quux.@OBJEXT@: bar-quux.c
  47 END
  48
  49 cat > sub/Makefile.am << 'END'
  50 AUTOMAKE_OPTIONS = subdir-objects
  51 noinst_PROGRAMS = foo bar
  52 ## We already used $(LEXLIB) above, so try @LEXLIB@ now.
  53 LDADD = @LEXLIB@
  54 foo_LFLAGS = -v
  55 foo_SOURCES = zardoz.l
  56 bar_SOURCES = dir/quux.l
  57 ## Avoid spurious failures with Solaris make.
  58 foo-zardoz.@OBJEXT@: foo-zardoz.c
  59 dir/quux.@OBJEXT@: dir/quux.c
  60 END
  61
  62 cat > zardoz.l << 'END'
  63 %%
  64 "END"  return EOF;
  65 .
  66 %%
  67 int main ()
  68 {
  69   while (yylex () != EOF)
  70     ;
  71   return 0;
  72 }
  73
  74 /* Avoid possible link errors. */
  75 int yywrap (void)
  76 {
  77   return 1;
  78 }
  79 END
  80
  81 cp zardoz.l dir/quux.l
  82 cp zardoz.l sub/zardoz.l
  83 cp zardoz.l sub/dir/quux.l
  84
  85 c_outputs='zardoz.c bar-quux.c sub/foo-zardoz.c sub/dir/quux.c'
  86
  87 $ACLOCAL
  88 $AUTOCONF
  89 $AUTOMAKE -a
  90
  91 for vpath in : false; do
  92
  93   if $vpath; then
  94     srcdir=..
  95     mkdir build
  96     cd build
  97   else
  98     srcdir=.
  99   fi
 100
 101   $srcdir/configure
 102   $MAKE
 103
 104   # For debugging,
 105   ls -l . sub sub/dir
 106   $FGREP '.l' $c_outputs
 107
 108   # Adjusted "#line" should not contain reference to the builddir.
 109   $EGREP '#.*line.*(build|\.\.).*\.l' $c_outputs && Exit 1
 110   # Adjusted "#line" should not contain reference to the default
 111   # output file names, e.g., `lex.yy.c'.
 112   $EGREP '#.*line.*lex\.yy' $c_outputs && Exit 1
 113   # Don't be excessively strict in grepping, to avoid spurious failures.
 114   grep '#.*line.*zardoz\.l' zardoz.c
 115   grep '#.*line.*quux\.l' bar-quux.c
 116   grep '#.*line.*zardoz\.l' sub/foo-zardoz.c
 117   grep '#.*line.*quux\.l' sub/dir/quux.c
 118   cd $srcdir
 119
 120 done
 121
 122 :