#! /bin/sh
# Copyright (C) 2012-2022 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 <https://www.gnu.org/licenses/>.
# Check that we can build a program using several lexers at once
# (assuming Flex is used). That is a little tricky, but possible.
# See:
# <https://lists.gnu.org/archive/html/automake/2010-10/msg00081.html>
# <https://lists.gnu.org/archive/html/automake/2009-03/msg00061.html>
required='cc flex'
. test-init.sh
cat >> configure.ac << 'END'
AC_PROG_CC
AC_PROG_LEX
AM_PROG_AR
AC_PROG_RANLIB
AC_OUTPUT
END
cat > Makefile.am << 'END'
bin_PROGRAMS = zardoz
zardoz_SOURCES = main.c
# Convenience libraries.
noinst_LIBRARIES = liblex.a liblex-foo.a liblex-bar.a
zardoz_LDADD = $(noinst_LIBRARIES)
liblex_a_SOURCES = 0.l
# We need the output to always be named 'lex.yy.c', in order for
# ylwrap to pick it up.
liblex_foo_a_LFLAGS = -Pfoo -olex.yy.c
liblex_foo_a_SOURCES = a.l
# Ditto.
liblex_bar_a_LFLAGS = -Pbar_ -olex.yy.c
liblex_bar_a_SOURCES = b.l
END
cat > main.c << 'END'
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main (int argc, char *argv[])
{
if (argc != 2)
abort ();
else if (!strcmp(argv[1], "--vanilla"))
return (yylex () != 121);
else if (!strcmp(argv[1], "--foo"))
return (foolex () != 121);
else if (!strcmp(argv[1], "--bar"))
return (bar_lex () != 121);
else
abort ();
}
END
cat > 0.l << 'END'
%{
#define YY_NO_UNISTD_H 1
%}
%%
"VANILLA" { printf (":%s:\n", yytext); return 121; }
. { printf (":%s:\n", yytext); return 1; }
%%
/* Avoid possible link errors. */
int yywrap (void) { return 1; }
END
sed 's/VANILLA/FOO/' 0.l > a.l
sed 's/VANILLA/BAR/' 0.l > b.l
$ACLOCAL
$AUTOCONF
$AUTOMAKE --add-missing
./configure
$MAKE
if ! cross_compiling; then
echo VANILLA | ./zardoz --vanilla
echo FOO | ./zardoz --foo
echo BAR | ./zardoz --bar
./zardoz --vanilla </dev/null && exit 1
echo BAR | ./zardoz --foo && exit 1
: For shells with busted 'set -e'.
fi
yl_distcheck
:
