Index: xca-2.1.2/configure.ac
===================================================================
--- xca-2.1.2.orig/configure.ac
+++ xca-2.1.2/configure.ac
@@ -226,7 +226,7 @@ if test "${enable_doc}"; then
 
   case "$DOCTOOL" in
    linuxdoc) DOCTOOL="linuxdoc -B html -H \$(TOPDIR)/doc/html.header";;
-   sgml2html) DOCTOOL="sgml2html -s 1 -H \$(TOPDIR)/doc/html.header";;
+   sgml2html) DOCTOOL="sgml2html -s 1";;
    :)
     if test "${srcdir}" != "."; then
       mkdir -p doc
Index: xca-2.1.2/configure
===================================================================
--- xca-2.1.2.orig/configure
+++ xca-2.1.2/configure
@@ -4136,7 +4136,7 @@ test -n "$DOCTOOL" || DOCTOOL="":""
 
   case "$DOCTOOL" in
    linuxdoc) DOCTOOL="linuxdoc -B html -H \$(TOPDIR)/doc/html.header";;
-   sgml2html) DOCTOOL="sgml2html -s 1 -H \$(TOPDIR)/doc/html.header";;
+   sgml2html) DOCTOOL="sgml2html -s 1";;
    :)
     if test "${srcdir}" != "."; then
       mkdir -p doc