Rebuild manpage only if needed.

diff --git a/auto/install b/auto/install
index 6b5a1203401fba61f80b2c0223cc00f4133e97f3..6cf217e73c2feb30c9e68bb6a6c1d8eebe147b7a 100644 (file)
--- a/auto/install
+++ b/auto/install
@@ -74,7 +74,9 @@ esac
 
 cat << END                                                    >> $NGX_MAKEFILE
 
-manpage:
+manpage:       $NGX_OBJS/nginx.8
+
+$NGX_OBJS/nginx.8:     man/nginx.8 $NGX_AUTO_CONFIG_H
        sed -e "s|%%PREFIX%%|$NGX_PREFIX|" \\
                -e "s|%%PID_PATH%%|$NGX_PID_PATH|" \\
                -e "s|%%CONF_PATH%%|$NGX_CONF_PATH|" \\