Fix failure on missing AH_CHECK_HEADERS

acinclude.m4.in

@@ -5424,7 +5424,7 @@ AC_DEFUN([KDE_CHECK_HEADER],
 
 AC_DEFUN([KDE_CHECK_HEADERS],
 [
-   AH_CHECK_HEADERS([$1])
+   AH_CHECK_HEADERS_TDE([$1])
    AC_LANG_SAVE
    kde_safe_cppflags=$CPPFLAGS
    CPPFLAGS="$CPPFLAGS $all_includes -I$kde_incdir/tde -I/usr/include/tqt"
@@ -5920,6 +5920,13 @@ m4_define([_mm_foreach],
 m4_define([AC_FOREACH],
 [mm_foreach([$1], m4_split(m4_normalize([$2])), [$3])])
 
+# AH_CHECK_HEADERS_TDE(HEADER-FILE...)
+# --------------------------------
+m4_define([AH_CHECK_HEADERS_TDE],
+[m4_foreach_w([AC_Header], [$1],
+  [AH_TEMPLATE(AS_TR_CPP([HAVE_]m4_defn([AC_Header])),
+     [Define to 1 if you have the <]m4_defn([AC_Header])[> header file.])])])
+
 AC_DEFUN([KDE_NEED_FLEX],
 [
 kde_libs_safe=$LIBS