Make sure docdir is defined when making doc/

Apparently some autoconf versions need this, while others don't.
This means documentation will be installed into share/doc/tor/.

diff --git a/doc/Makefile.am b/doc/Makefile.am
index d28c5712473bb28be5beda302fb5ca693e68feaf..492dd3bd51d4a07ecbfb650d3819552a133bee05 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -26,6 +26,8 @@ EXTRA_DIST = HACKING                                         \
 
 nodist_man_MANS = $(asciidoc_files:=.1)
 
+docdir = @docdir@
+
 doc_DATA = $(asciidoc_files:=.html)
 
 asciidoc_product = $(nodist_man_MANS) $(doc_DATA)