#! /bin/sh

# Test for subdir parsers.

required="gcc bison"

. $srcdir/defs || exit 1

set -e

cat >> configure.in << 'END'
AC_CONFIG_AUX_DIR([.])
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_YACC
AC_OUTPUT
END

cat > Makefile.am << 'END'
AUTOMAKE_OPTIONS = subdir-objects
bin_PROGRAMS = foo/foo
foo_foo_SOURCES = foo/parse.y
AM_YFLAGS = -d
END

mkdir foo

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

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

$ACLOCAL
$AUTOCONF
$AUTOMAKE -a

mkdir sub
cd sub

../configure
$MAKE foo/parse.o
test -f foo/parse.c
test -f foo/parse.o

# Aside of the rest of this test, let's see if we can recover from
# parse.h removal
test -f foo/parse.h
rm -f foo/parse.h
$MAKE foo/parse.h
test -f foo/parse.h

# Now, adds another parser to test ylwrap.

cd ..
cp foo/parse.y foo/parse2.y
cat >> Makefile.am << 'END'
EXTRA_foo_foo_SOURCES = foo/parse2.y
END

$AUTOMAKE -a
test -f ./ylwrap || exit 1

cd sub
# Regenerate Makefile (automatic in GNU Make, but not in other Makes)
./config.status
$MAKE foo/parse2.o
test -f foo/parse2.c
test -f foo/parse2.o

exit 0