Reconsider targets waiting for prerequisites. Fixes Savannah bug #37703.

2 files changed, 13 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 8dc920a..1318e5b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-04-06  Paul Smith  <psmith@gnu.org>
+
+	* remake.c (check_dep): Reconsider files waiting on prerequisites,
+	as they may have finished.  Fixes Savannah bug #37703.
+
 2013-02-28  Paul Smith  <psmith@gnu.org>
 
 	* function.c (func_realpath): On Solaris (at least) realpath() can
diff --git a/remake.c b/remake.c
index 8510264..788d489 100644
--- a/remake.c
+++ b/remake.c
@@ -1046,7 +1046,14 @@ check_dep (struct file *file, unsigned int depth,
              fresh.  It could be it was checked as part of an order-only
              prerequisite and so wasn't rebuilt then, but should be now.  */
           if (file->command_state != cs_running)
-            set_command_state (file, cs_not_started);
+            {
+              /* If the target was waiting for a dependency it has to be
+                 reconsidered, as that dependency might have finished.  */
+              if (file->command_state == cs_deps_running)
+                file->considered = !considered;
+
+              set_command_state (file, cs_not_started);
+            }
 
 	  ld = 0;
 	  d = file->deps;