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From: Bryan Drewery <bdrewery@FreeBSD.org>
Date: Wed, 29 Jun 2016 22:54:02 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r302286 - head/contrib/bmake
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Author: bdrewery
Date: Wed Jun 29 22:54:01 2016
New Revision: 302286
URL: https://svnweb.freebsd.org/changeset/base/302286

Log:
  Flush every line when using meta mode and no -j or with -B.
  
  Otherwise the output is buffered and it appears that make is stuck on something
  long-running.  This problem is not present with -j as it uses different
  code that was already flushing.
  
  Discussed with:	sjg
  Approved by:	re (blanket, META_MODE)
  Sponsored by:	EMC / Isilon Storage Division

Modified:
  head/contrib/bmake/meta.c

Modified: head/contrib/bmake/meta.c
==============================================================================
--- head/contrib/bmake/meta.c	Wed Jun 29 22:39:22 2016	(r302285)
+++ head/contrib/bmake/meta.c	Wed Jun 29 22:54:01 2016	(r302286)
@@ -1547,6 +1547,7 @@ meta_compat_parent(void)
     while (fgets(buf, sizeof(buf), fp)) {
 	meta_job_output(NULL, buf, "");
 	printf("%s", buf);
+	(void)fflush(stdout);
     }
     fclose(fp);
 }