dnl -*- shell-script -*-
dnl
dnl hfsutils - tools for reading and writing Macintosh HFS volumes
dnl Copyright (C) 1996-1998 Robert Leslie
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
dnl
dnl $Id: configure.in,v 1.10 1998/09/15 19:19:42 rob Exp $
dnl

AC_INIT(libhfs/libhfs.h)
AC_CONFIG_HEADER(config.h)

AC_CONFIG_SUBDIRS(libhfs librsrc)

AC_ARG_WITH(tcl,
    [  --with-tcl[=DIR]        build the Tcl components], [
    case "$with_tcl" in
	yes|no)
	    tcl_dir="DEFAULT"
	    ;;
	*)
	    tcl_dir="$with_tcl"
	    with_tcl=yes
	    ;;
    esac
])

AC_ARG_WITH(tk,
    [  --with-tk[=DIR]         build the Tk components], [
    case "$with_tk" in
	yes|no)
	    tk_dir="DEFAULT"
	    ;;
	*)
	    tk_dir="$with_tk"
	    with_tk=yes
	    ;;
    esac
])

if test "$with_tk" = yes && test "$with_tcl" != yes
then
    AC_MSG_ERROR(--with-tk requires --with-tcl)
fi

dnl Checks for programs.

AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_RANLIB

AC_PROG_GCC_TRADITIONAL

dnl Checks for header files.

AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h fcntl.h termios.h sys/ioctl.h)

dnl Checks for typedefs, structures, and compiler characteristics.

AC_TYPE_UID_T
AC_TYPE_SIZE_T

AC_C_CONST

dnl Checks for library functions.

AC_REPLACE_FUNCS(strdup strerror strstr strtol)
AC_CHECK_FUNCS(setreuid)

AC_CACHE_CHECK(for sys_errlist, hfs_cv_decl_syserrlist, [
    AC_TRY_LINK([], [
	extern char *sys_errlist[];
	extern int sys_nerr;

	sys_errlist[sys_nerr - 1][0] = 0;
    ], hfs_cv_decl_syserrlist=yes, hfs_cv_decl_syserrlist=no)
])

if test "$hfs_cv_decl_syserrlist" = yes
then
    AC_DEFINE(HAVE_SYS_ERRLIST)
fi

dnl Prepare target variables.

MAKE_TARGETS=""
INSTALL_TARGETS=""

AC_SUBST(MAKE_TARGETS)
AC_SUBST(INSTALL_TARGETS)

dnl Tcl configuration.

TCL_INCLUDES=""
TCL_LIB_SPEC=""
TCL_LIBS=""

AC_SUBST(TCL_INCLUDES)
AC_SUBST(TCL_LIB_SPEC)
AC_SUBST(TCL_LIBS)

if test "$with_tcl" = yes
then
    AC_MSG_CHECKING(for Tcl)

    found=""
    for dir in  \
	"$tcl_dir"		\
	"$tcl_dir/lib"		\
	"$tcl_dir/../lib"	\
	/usr/local/lib		\
	/usr/local/lib/tcl*	\
	/usr/local/tcl*/lib	\
	/usr/lib		\
	/usr/lib/tcl*		\
	/usr/tcl*/lib		\
	;			\
    do
	if test -r "$dir/tclConfig.sh"
	then
	    found="$dir"
	    break
	fi
    done

    if test -z "$found"
    then
	AC_MSG_RESULT(cannot find installation)
	AC_MSG_ERROR(use --without-tcl or --with-tcl=DIR)
    fi

    tcl_dir="$found"
    . "$tcl_dir/tclConfig.sh"

    AC_MSG_RESULT(version $TCL_VERSION in $tcl_dir)

    AC_MSG_CHECKING(for tcl.h)

    found=""
    for dir in  \
	$TCL_PREFIX/include				\
	$TCL_PREFIX/include/tcl*			\
	$TCL_PREFIX/tcl*/include			\
	"$tcl_dir"					\
	"$tcl_dir/include"				\
	"$tcl_dir/../include"				\
	`echo "$tcl_dir" | sed -e 's|/lib|/include|'`	\
	;						\
    do
	if test -r "$dir/tcl.h"
	then
	    found="$dir"
	    break
	fi
    done

    if test -z "$found"
    then
	AC_MSG_RESULT(not found)
	AC_MSG_WARN(compilation of Tcl components may fail)
	AC_MSG_WARN(edit Makefile if necessary and contact author)
    else
	AC_MSG_RESULT($found)
	TCL_INCLUDES="-I$found"
    fi

    MAKE_TARGETS="$MAKE_TARGETS all_tcl"
    INSTALL_TARGETS="$INSTALL_TARGETS install_tcl"
fi

dnl Tk configuration.

TK_INCLUDES=""
TK_LIB_SPEC=""
TK_LIBS=""

AC_SUBST(TK_INCLUDES)
AC_SUBST(TK_LIB_SPEC)
AC_SUBST(TK_LIBS)

if test "$with_tk" = yes
then
    AC_MSG_CHECKING(for Tk)

    found=""
    for dir in  \
	"$tk_dir"		\
	"$tk_dir/lib"		\
	"$tk_dir/../lib"	\
	/usr/local/lib		\
	/usr/local/lib/tk*	\
	/usr/local/tk*/lib	\
	/usr/lib		\
	/usr/lib/tk*		\
	/usr/tk*/lib		\
	;			\
    do
	if test -r "$dir/tkConfig.sh"
	then
	    found="$dir"
	    break
	fi
    done

    if test -z "$found"
    then
	AC_MSG_RESULT(cannot find installation)
	AC_MSG_ERROR(use --without-tk or --with-tk=DIR)
    fi

    tk_dir="$found"
    . "$tk_dir/tkConfig.sh"

    AC_MSG_RESULT(version $TK_VERSION in $tk_dir)

    AC_MSG_CHECKING(for tk.h)

    found=""
    for dir in  \
	$TK_PREFIX/include				\
	$TK_PREFIX/include/tk*				\
	$TK_PREFIX/tk*/include				\
	"$tk_dir"					\
	"$tk_dir/include"				\
	"$tk_dir/../include"				\
	`echo "$tk_dir" | sed -e 's|/lib|/include|'`	\
	;						\
    do
	if test -r "$dir/tk.h"
	then
	    found="$dir"
	    break
	fi
    done

    if test -z "$found"
    then
	AC_MSG_RESULT(not found)
	AC_MSG_WARN(compilation of Tk components may fail)
	AC_MSG_WARN(edit Makefile if necessary and contact author)
    else
	AC_MSG_RESULT($found)

	if test "x-I$found" != "x$TCL_INCLUDES"
	then
	    TK_INCLUDES="-I$found"
	fi
    fi

    TK_INCLUDES="$TK_INCLUDES $TK_XINCLUDES"

    MAKE_TARGETS="$MAKE_TARGETS all_tk"
    INSTALL_TARGETS="$INSTALL_TARGETS install_tk"
fi

dnl Other options.

AC_ARG_ENABLE(cli,
    [  --disable-cli           do not build or install the command-line utils])

if test "x$enable_cli" != xno
then
    MAKE_TARGETS="all_cli $MAKE_TARGETS"
    INSTALL_TARGETS="install_cli $INSTALL_TARGETS"
fi

AC_ARG_ENABLE(devlibs,
    [  --enable-devlibs        enable installation of the developer libraries])

if test "x$enable_devlibs" = xyes
then
    MAKE_TARGETS="$MAKE_TARGETS all_lib"
    INSTALL_TARGETS="$INSTALL_TARGETS install_lib"
fi

AC_ARG_ENABLE(debug,
    [  --enable-debug          enable diagnostic debugging support])

if test "x$enable_debug" = xyes
then
    AC_DEFINE(DEBUG)
fi

dnl Create output files.

AC_OUTPUT(hfsck/Makefile linux/Makefile Makefile)