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[committed] Add --devel options to usage message



Hi,

Mention --devel-options in usage message if compiled with -DDEVEL:
...
$ make CC="gcc -DDEVEL"
$ ./dwz -?
./dwz: Usage:
  dwz [-v] [-q] [-l <COUNT|none>] [-L <COUNT|none>] [-h] [-m COMMONFILE] [-M NAME] [-r] [FILES]
  dwz [-v] [-q] [-l <COUNT|none>] [-L <COUNT|none>] -o OUTFILE FILE
Development options:
  --devel-trace
  --devel-ignore-size
  --devel-ignore-locus
  --devel-save-temps
  --devel-dump-dies
  --devel-unoptimized-multifile
  --devel-verify-edges
  --devel-dump-edges
  --devel-partition-dups-opt
  --devel-die-count-method
...

Committed to trunk.

Thanks,
- Tom

Add --devel options to usage message

2019-11-28  Tom de Vries  <tdevries@suse.de>

	* dwz.c (usage): Mention --devel options.

---
 dwz.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/dwz.c b/dwz.c
index 93fc9de..e4b2548 100644
--- a/dwz.c
+++ b/dwz.c
@@ -12996,8 +12996,22 @@ usage (void)
   error (1, 0,
 	 "Usage:\n"
 	 "  dwz " COMMON_OPTS " [-h] [-m COMMONFILE] [-M NAME] [-r] [FILES]\n"
-	 "  dwz " COMMON_OPTS " -o OUTFILE FILE\n");
+	 "  dwz " COMMON_OPTS " -o OUTFILE FILE\n"
 #undef COMMON_OPTS
+#if DEVEL
+	 "Development options:\n"
+	 "  --devel-trace\n"
+	 "  --devel-ignore-size\n"
+	 "  --devel-ignore-locus\n"
+	 "  --devel-save-temps\n"
+	 "  --devel-dump-dies\n"
+	 "  --devel-unoptimized-multifile\n"
+	 "  --devel-verify-edges\n"
+	 "  --devel-dump-edges\n"
+	 "  --devel-partition-dups-opt\n"
+	 "  --devel-die-count-method"
+#endif
+	 );
 }
 
 /* Print version and exit.  */