makefile: only regenerate i3status.1 when necessary (Patch by Peter Johnson)

diff --git a/man/Makefile b/man/Makefile
index 7b00eab4f5109f757c3875d16c62806141582f27..4e06a1e87699b6fb81831b2aa99890ba8561f489 100644 (file)
--- a/man/Makefile
+++ b/man/Makefile
@@ -1,4 +1,6 @@
-all:
+all: i3status.1
+
+i3status.1: asciidoc.conf i3status.man
        a2x -f manpage --asciidoc-opts="-f asciidoc.conf" i3status.man
 clean:
        rm -f i3status.xml i3status.1 i3status.html