AC_DEFUN(subdir[_INIT], [
  AC_REQUIRE([COMPAT_FUNC_STRLCAT])
  AC_REQUIRE([COMPAT_FUNC_STRLCPY])
  AC_REQUIRE([COMPAT_FUNC_STRSEP])
  AC_REQUIRE([COMPAT_FUNC_SNPRINTF])

  if test -z "$2"; then
    PATHCODE_PREFIX="${PACKAGE_NAME}";
  else
    PATHCODE_PREFIX="$2";
  fi
  AC_SUBST([PATHCODE_PREFIX])

  PATHCODE_DIR="$1";
  AC_SUBST([PATHCODE_DIR])

  AC_CONFIG_FILES([$1/${PATHCODE_PREFIX}_cleanpath.c:$1/cleanpath.c.in])
  AC_CONFIG_FILES([$1/${PATHCODE_PREFIX}_gsub.c:$1/gsub.c.in])
  AC_CONFIG_FILES([$1/${PATHCODE_PREFIX}_mkdirhier.c:$1/mkdirhier.c.in])
  AC_CONFIG_FILES([$1/${PATHCODE_PREFIX}_pathcode.h:$1/pathcode.h.in])
  AC_CONFIG_FILES([$1/${PATHCODE_PREFIX}_relativepath.c:$1/relativepath.c.in])
  AC_CONFIG_FILES([$1/${PATHCODE_PREFIX}_rmtree.c:$1/rmtree.c.in])
])