build: Don't build the guix-daemon man page when --disable-daemon.

Fixes <http://bugs.gnu.org/20824>.
Reported by Mark H Weaver <mhw@netris.org>.

* doc.am (dist_man1_MANS): Conditionalize doc/guix-daemon.1 on BUILD_DAEMON.

1 files changed, 7 insertions, 1 deletions

diff --git a/doc.am b/doc.am
index de232a87a4..d4ca0fc4a5 100644
--- a/doc.am
+++ b/doc.am
@@ -106,5 +106,11 @@ $(eval $(foreach subcommand,$(SUBCOMMANDS),			\
 
 dist_man1_MANS =				\
   doc/guix.1					\
-  doc/guix-daemon.1				\
   $(SUBCOMMANDS:%=doc/guix-%.1)
+
+if BUILD_DAEMON
+
+dist_man1_MANS +=				\
+  doc/guix-daemon.1
+
+endif