#! /bin/sh

# Some simple tests of ylwrap functionality.

. $srcdir/defs || exit 1

# Fail gracefully if no autoconf.
$needs_autoconf
# Likewise for some other tools.
(gcc -v) > /dev/null 2>&1 || exit 77
(bison -V) > /dev/null 2>&1 || exit 77

cat > configure.in << 'END'
AC_INIT
AC_CONFIG_AUX_DIR([.])
AM_INIT_AUTOMAKE(foo, 0.1)
PACKAGE=foo
VERSION=0.1
AC_PROG_CC
AC_PROG_YACC
AC_OUTPUT(Makefile)
END

cat > Makefile.am << 'END'
bin_PROGRAMS = foo bar
foo_SOURCES = parse.y foo.c
bar_SOURCES = bar.y foo.c
END

# First parser.
cat > parse.y << 'END'
%{
int yylex () {return 0;}
void yyerror (char *s) {}
%}
%%
foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
END

# Second parser.
cat > bar.y << 'END'
%{
int yylex () {return 0;}
void yyerror (char *s) {}
%}
%%
fubar : 'f' 'o' 'o' 'b' 'a' 'r' {};
END

cat > foo.c << 'END'
int main () { return 0; }
END

# We are not checking Autoconf, so we pick $YACC for it.
YACC="bison -y"
export YACC

$YACC --version || exit 77

set -e

$ACLOCAL
$AUTOCONF
$AUTOMAKE -a

test -f ylwrap

mkdir sub
cd sub

../configure
$MAKE

grep '^#.*/sub/\.\./' bar.c && exit 1
grep '^#.*/sub/\.\./' parse.c && exit 1

exit 0