Fix VPATH asciidoc builds.

diff --git a/docs/Makefile.am b/docs/Makefile.am
index 78f1742194c4221b9d4815cdc92299fad544e3b6..b6f3665b2dd10e91864c0be263267b760a4b3a87 100644 (file)
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -19,7 +19,7 @@ icinga2doc_DATA += \
        icinga2-intro.html
 
 .txt.html:
-       $(AD_ENV) $(AD_ASCIIDOC) -a toc -a numbered $<
+       $(AD_ENV) $(AD_ASCIIDOC) -a toc -a numbered -o $@ $<
 endif AD_COND_doc
 
 icinga2.8: $(top_builddir)/icinga-app/icinga2