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- #! /bin/sh
- # Copyright (C) 1999-2017 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/>.
- # Check Lex support with flex using the '%noyywrap' option.
- required='cc flex'
- . test-init.sh
- cat >> configure.ac << 'END'
- AC_PROG_CC
- AM_PROG_LEX
- AC_OUTPUT
- END
- cat > Makefile.am << 'END'
- bin_PROGRAMS = foo
- foo_SOURCES = foo.l
- .PHONY: test-no-lexlib
- check-local: test-no-lexlib
- test-no-lexlib:
- test x'$(LEXLIB)' = x'none needed'
- END
- cat > foo.l << 'END'
- %option noyywrap
- %{
- #define YY_NO_UNISTD_H 1
- %}
- %%
- "GOOD" return EOF;
- .
- %%
- 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 LEXLIB="none needed"
- # 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
- # Sanity check on distribution. Escape in LEXLIB must use backspace,
- # not double-quotes, to avoid a spurious failure with AIX make.
- yl_distcheck DISTCHECK_CONFIGURE_FLAGS='LEXLIB=none\ needed'
- :
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