Fixed Savannah bug #15641.

ChangeLog

@@ -1,3 +1,10 @@
+2006-02-08  Boris Kolpackov  <boris@kolpackov.net>
+
+	* job.h (struct child): Add dontcare bitfield.
+	* job.c (new_job): Cache dontcare flag.
+	* job.c (reap_children): Use cached dontcare flag instead of the
+	one in struct file. Fixes Savannah bug #15641.
+
 2006-02-06  Paul D. Smith  <psmith@gnu.org>
 
 	* vpath.c (selective_vpath_search): If the file we find has a

job.c

@@ -718,7 +718,7 @@ reap_children (int block, int err)
       if (c->good_stdin)
         good_stdin_used = 0;
 
-      dontcare = c->file->dontcare;
+      dontcare = c->dontcare;
 
       if (child_failed && !c->noerror && !ignore_errors_flag)
         {
@@ -1612,6 +1612,10 @@ new_job (struct file *file)
   c->command_lines = lines;
   c->sh_batch_file = NULL;
 
+  /* Cache dontcare flag because file->dontcare can be changed once we
+     return. Check dontcare inheritance mechanism for details.  */
+  c->dontcare = file->dontcare;
+
   /* Fetch the first command line to be run.  */
   job_next_command (c);
 

job.h

@@ -63,6 +63,7 @@ struct child
 
     unsigned int good_stdin:1;	/* Nonzero if this child has a good stdin.  */
     unsigned int deleted:1;	/* Nonzero if targets have been deleted.  */
+    unsigned int dontcare:1;    /* Saved dontcare flag.  */
   };
 
 extern struct child *children;

tests/ChangeLog

@@ -1,3 +1,7 @@
+2006-02-08  Boris Kolpackov  <boris@kolpackov.net>
+
+	* scripts/features/parallelism: Add a test for bug #15641.
+
 2006-02-06  Paul D. Smith  <psmith@gnu.org>
 
 	* scripts/options/dash-W: Add a test for bug #15341.

tests/scripts/features/parallelism

@@ -108,4 +108,22 @@ Ok done',
              512);
 
 
+# Test for Savannah bug #15641.
+#
+run_make_test('
+.PHONY: all
+all:; @:
+
+-include foo.d
+
+foo.d: comp
+	@echo building $@
+
+comp: mod_a.o mod_b.o; @:
+
+mod_a.o mod_b.o:
+	@exit 1
+', '-j2', '');
+
+
 1;