dnl (C) Copyright by Dirk Mueller <dirk@licq.org>
dnl

dnl Yes, it's empty. Isn't that cool ? :)
dnl Like AC_CHECK_HEADER, but it uses the already-computed -I directories.
AC_DEFUN(AC_CHECK_X_HEADER, [
  ac_save_CPPFLAGS="$CPPFLAGS"
  if test \! -z "$includedir" ; then
    CPPFLAGS="$CPPFLAGS -I$includedir"
  fi
  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
  AC_CHECK_HEADER([$1],[$2],[$3])
  CPPFLAGS="$ac_save_CPPFLAGS"
])

dnl Like AC_CHECK_LIB, but it used the -L dirs set up by the X checks.

AC_DEFUN(AC_CHECK_X_LIB, [
  ac_save_CPPFLAGS="$CPPFLAGS"
  ac_save_LDFLAGS="$LDFLAGS"

  if test \! -z "$includedir" ; then
    CPPFLAGS="$CPPFLAGS -I$includedir"
  fi

  dnl note: $X_CFLAGS includes $x_includes
  CPPFLAGS="$CPPFLAGS $X_CFLAGS"

  if test \! -z "$libdir" ; then
    LDFLAGS="$LDFLAGS -L$libdir"
  fi

  dnl note: $X_LIBS includes $x_libraries

  LDFLAGS="$LDFLAGS $X_LIBS"
  AC_CHECK_LIB([$1], [$2], [$3], [$4], [$5])
  CPPFLAGS="$ac_save_CPPFLAGS"
  LDFLAGS="$ac_save_LDFLAGS"]
)