-# FP_HTML_COMMENT(VARIABLE, PREFIX)
-# ---------------------------------
-AC_DEFUN([FP_HTML_COMMENT],
-[AS_IF([$1],
- [$2HTMLStart=""; $2HTMLEnd=""],
- [$2HTMLStart="<!--"; $2HTMLEnd="-->"])[]dnl
-AC_SUBST([$2HTMLStart])[]dnl
-AC_SUBST([$2HTMLEnd])[]dnl
-])# FP_HTML_COMMENT
+# Although we don't need any local macros currently, we leave this file here.
+# Otherwise autoreconf invokes aclocal from the automake tools, which might
+# be nonexistent or too old.