##
## Configure libtool for the target system.
##
# serial 1 AM_PROG_LIBTOOL
AC_DEFUN(AM_PROG_LIBTOOL,
[AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_RANLIB])

# Always use our own libtool.
LIBTOOL='$(top_builddir)/libtool'
AC_SUBST(LIBTOOL)

dnl Allow the --disable-shared flag to stop us from building shared libs.
AC_ARG_ENABLE(shared,
[  --enable-shared         build shared libraries [default=yes]],
test "$enableval" = no && libtool_shared=" --disable-shared",
libtool_shared=)

libtool_flags="$libtool_shared"
test "$silent" = yes && libtool_flags="$libtool_flags --silent"
test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"

# Actually configure libtool.  ac_aux_dir is where install-sh is found.
CC="$CC" CFLAGS="$CFLAGS" LDFLAGS="$LDFLAGS" LD="$LD" RANLIB="$RANLIB" \
$ac_aux_dir/ltconfig $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
|| AC_MSG_ERROR([libtool configure failed])
])