doc: Use tar --xz to create dbus-docs.tar.xz

Signed-off-by: Simon McVittie <smcv@collabora.com>
Fixes: b805744029e6c497b0b92051199a304636e82fcd

diff --git a/doc/Makefile.am b/doc/Makefile.am
index b4af50c1089f56caf2e06c8b7e37ca5bbcfe5a0e..de7fc66f721b7fb52601368b5492cbb29670de4f 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -172,7 +172,7 @@ dbus-docs: $(STATIC_DOCS) $(dist_dtd_DATA) $(MAN_XML_FILES) $(dist_doc_DATA) $(d
        $(AM_V_at)mv $@.tmp $@
 
 dbus-docs.tar.xz: dbus-docs
-       $(AM_V_GEN)tar czf $@ $<
+       $(AM_V_GEN)tar --xz -c -f $@ $<
 
 DOC_SERVER = dbus.freedesktop.org
 DOC_WWW_DIR = /srv/dbus.freedesktop.org/www