dnl	This file is an input file used by the GNU "autoconf" program to
dnl	generate the file "configure", which is run to configure the
dnl	Makefile in this directory.
AC_INIT(bibtool.c)

AC_PATH_PROGS(TCLSH,tclsh tclsh-8.0 tclsh-8.1 tclsh-8.2 tclsh-8.3 tclx,)

if test -z "$TCLSH" ; then
	AC_MSG_WARN(tclsh not found.
Ensure that a properly installed tclsh is on your path or live without BibTcl.)
	exit 0
fi

# Recover information that Tcl computed with its configure script.

AC_MSG_CHECKING(for tcl configuration file)
	
CONFIG_FILE=`echo 'puts [[file join [file dirname [info library]] tclConfig.sh]]' | $TCLSH`
if test -f $CONFIG_FILE ; then
	AC_MSG_RESULT($CONFIG_FILE)
elif test -f tclConfig.sh ; then
	CONFIG_FILE=tclConfig.sh
	AC_MSG_RESULT($CONFIG_FILE)
else
	AC_MSG_WARN(not found. Ensure that a properly installed tclsh is on your path.)
	exit 1
fi

. $CONFIG_FILE

CC=$TCL_CC
AC_SUBST(CC)
SHLIB_CFLAGS=$TCL_SHLIB_CFLAGS
AC_SUBST(SHLIB_CFLAGS)
SHLIB_LD=$TCL_SHLIB_LD
AC_SUBST(SHLIB_LD)
SHLIB_LD_LIBS=$TCL_SHLIB_LD_LIBS
AC_SUBST(SHLIB_LD_LIBS)
SHLIB_SUFFIX=$TCL_SHLIB_SUFFIX
AC_SUBST(SHLIB_SUFFIX)
SHLIB_VERSION=$TCL_SHLIB_VERSION
AC_SUBST(SHLIB_VERSION)
AC_SUBST(TCL_BUILD_LIB_SPEC)
TCL_LIBS=$TCL_LIBS
AC_SUBST(TCL_LIBS)
TCL_VERSION=$TCL_VERSION
AC_SUBST(TCL_VERSION)
TCL_PREFIX=$TCL_PREFIX
AC_SUBST(TCL_PREFIX)

AC_OUTPUT(Makefile)