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-rw-r--r--docs/docbook/configure.in1
1 files changed, 1 insertions, 0 deletions
diff --git a/docs/docbook/configure.in b/docs/docbook/configure.in
index 26a27e99c3..9df4795022 100644
--- a/docs/docbook/configure.in
+++ b/docs/docbook/configure.in
@@ -40,6 +40,7 @@ AC_PATH_PROG(DVIPS, dvips)
AC_PATH_PROG(PNGTOPNM, pngtopnm)
AC_PATH_PROG(PNMTOPS, pnmtops)
AC_PATH_PROG(PERL, perl)
+AC_PATH_PROG(XMLTO, xmlto)
DOC_BUILD_DATE=`date '+%d-%m-%Y'`
AC_SUBST(DOC_BUILD_DATE)