kc3-lang/automake/t/lex-header.sh

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• Hash : c433a17c
  Author :
  Date : 2012-08-26T19:25:02
  

  coverage: bugs #8844 and #9933 (already fixed by Akim's work on ylwrap)
  
  * t/flex-header.sh: New test, show that automake bug#8844 and bug#9933
  have already been fixed by the recent-ish improvements to ylwrap (merged
  with commit v1.12.2-27-gec5cb49 of 2012-07-16, "Merge branch 'yacc-work'
  into maint").
  * t/list-of-tests.mk: Update.
  
  Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
  

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• t/lex-header.sh

• #! /bin/sh
  # Copyright (C) 2011-2012 Free Software Foundation, Inc.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation; either version 2, or (at your option)
  # any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  # Automake lex support can work with flex '--header-file' option (see
  # bugs #8844 and #9933).
  
  required='cc flex'
  . ./defs || exit 1
  
  cat >> configure.ac << 'END'
  AC_PROG_CC
  AC_PROG_LEX
  AC_OUTPUT
  END
  
  cat > Makefile.am << 'END'
  bin_PROGRAMS = foo
  foo_SOURCES = lexer.l main.c mylex.h
  foo_LFLAGS = --header-file=mylex.h
  BUILT_SOURCES = mylex.h
  # Recover from removal of header.
  mylex.h: foo-lexer.c
  	test -f $@ || rm -f foo-lexer.c
  	test -f $@ || $(MAKE) $(AM_MAKEFLAGS) foo-lexer.c
  END
  
  cat > lexer.l << 'END'
  %option noyywrap
  %{
  #define YY_NO_UNISTD_H 1
  %}
  %%
  "GOOD"   return EOF;
  .
  %%
  END
  
  cat > main.c <<'END'
  #include "mylex.h"
  int main (void)
  {
    /* We don't use a 'while' loop here (like a real lexer would do)
       to avoid possible hangs. */
    if (yylex () == EOF)
      return 0;
    else
      return 1;
  }
  END
  
  $ACLOCAL
  $AUTOCONF
  $AUTOMAKE -a
  
  ./configure
  
  # Program should build and run.
  $MAKE
  if ! cross_compiling; then
    echo GOOD | ./foo
    echo BAD | ./foo && exit 1
    : For shells with busted 'set -e'.
  fi
  
  # Recovering from header removal.
  rm -f mylex.h
  $MAKE
  test -f mylex.h
  
  # Sanity check on distribution.
  yl_distcheck
  
  :
  

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