From 8f3b0f246388db093c2719990e6503c9718e88ef Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 3 Dec 2015 11:21:23 +0200
Subject: Make use of cli module optional

---
 bpkg/buildfile | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

(limited to 'bpkg/buildfile')

diff --git a/bpkg/buildfile b/bpkg/buildfile
index d35cc22..ca32b64 100644
--- a/bpkg/buildfile
+++ b/bpkg/buildfile
@@ -50,12 +50,13 @@ $libs
 # source files instead of using the cli.cxx{} group (it won't be there
 # unless the module is loaded).
 #
-# @@ TODO: make it optional.
-# @@ The cli{} target won't be available while it would be nice to
-#    detect that .cli file is newer than the generated files. Hack:
-#    use ctt= cli.used ? cli : file, then $ctt{common-options}. Uh.
-#
-using cli
+using? cli
+
+if! $cli.loaded
+{
+  define cli: file
+  cli{*}: extension = cli
+}
 
 {hxx ixx cxx}{common-options}:        cli{common-options}
 {hxx ixx cxx}{configuration-options}: cli{configuration-options}
-- 
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