From b1281448be5fd35e40e1c26a805b4746560bc9ae Mon Sep 17 00:00:00 2001
From: pboutill
Date: Fri, 22 Jul 2011 13:26:21 +0000
Subject: Allow custom targets without commands specified

$ coq_makefile -custom "" "install2" "install"
for instance does:

install: install2

If you tried to do this before, coq_makefile used to insert a TAB after the
rule.

Signed-off-by: Paolo Herms <paolo.herms@cea.fr>

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14290 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 tools/coq_makefile.ml4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/coq_makefile.ml4 b/tools/coq_makefile.ml4
index a44bff57ee..a17f3713e0 100644
--- a/tools/coq_makefile.ml4
+++ b/tools/coq_makefile.ml4
@@ -399,7 +399,7 @@ let rec special = function
 let custom sps =
   let pr_path (file,dependencies,com) =
     print file; print ": "; print dependencies; print "\n";
-    print "\t"; print com; print "\n\n"
+    if com <> "" then (print "\t"; print com); print "\n\n"
   in
     if sps <> [] then section "Custom targets.";
     List.iter pr_path sps
-- 
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