#! /bin/sh

# $Id$

# ----------------------------------------------------------------------

#

case `uname` in

    CYGWIN*)

	execsuffix=.exe ;;

    *)

	execsuffix= ;;

esac

ocamlfind="src/findlib/ocamlfind${execsuffix}"

PATH="./tools:$PATH"

export PATH

check_linkage () {

    p=$1

    shift

    rm -f itest-aux/simple

    $ocamlfind ocamlc -linkall -linkpkg -custom "$@" -o itest-aux/simple itest-aux/simple_$p.ml >itest-aux/err.out 2>&1

    output=`cat itest-aux/err.out | sed -e '/WARNING.*/ d'`

    error=0

    if [ -n "$output" ]; then

	echo "* When trying to compile with"

	echo "       $ocamlfind ocamlc -linkall -linkpkg -custom "$@" -o itest-aux/simple itest-aux/simple_$p.ml"

   	echo "  an error has occurred. The error error message has been written"

	echo "  to itest-aux/err.out."

	error=1

    fi

    if [ "$error" = "0" ]; then

	result=`itest-aux/simple${execsuffix}`

        [ "x$result" = "xOK" ]

    else

	return $error

    fi

}

problems () {

    echo "* This test failed. Please check the settings in site-lib-src/$1/META,"

    echo "  especially the 'linkopts' variable, and try again. You can invoke"

    echo "  this test directly by: ./itest $1"

}

do_test () {

    case "$1" in

    dbm|graphics|num|str|unix|bigarray|labltk)

	echo "* Checking linker options for $1 library"

	rm -f itest-aux/testdb*

	if check_linkage $1 -package $1; then

	    echo "ok"

	else

	    problems $1

	fi

	;;

    threads)

	echo "* Checking linker options for threads library"

	if check_linkage $1 -package $1 -thread; then

	    echo "ok"

	else

	    problems $1

	fi

	;;

    camlp4)

	echo "* Checking options for camlp4 preprocessor"

	if check_linkage $1 -package $1 -syntax camlp4r; then

	    echo "ok"

	else

	    problems $1

	fi

	;;

    *)

	echo "unknown test: $1"

	;;

    esac

}

OCAMLPATH="./site-lib-src"

export OCAMLPATH

if [ ! -f "$ocamlfind" ]; then

    echo "Sorry, you must first compile the library before you can invoke" 1>&2

    echo "the integration test." 1>&2

    exit 1

fi

if [ "$#" = "0" ]; then

    for t in unix str dbm graphics num threads bigarray labltk camlp4; do

	if [ -f "site-lib-src/$t/META" ]; then

	    echo "------------------------------------------------------------------------------"

	    do_test $t

	    echo

	fi

    done

else

    do_test $1

fi