From 57d09c10f714721487472a28063aeade3fd51d2f Mon Sep 17 00:00:00 2001
From: Jeff Squyres <jsquyres@cisco.com>
Date: Thu, 21 Jun 2007 15:42:06 +0000
Subject: [PATCH] Avoid some compiler warnings that come up ''every day'' in
 MTT (and have been for eons): make a symbol be used in a dumb but harmless
 way.

This commit was SVN r15158.
---
 ompi/mca/btl/openib/btl_openib_lex.l | 9 +++++++++
 opal/util/keyval/keyval_lex.l        | 9 +++++++++
 opal/util/show_help_lex.l            | 9 +++++++++
 3 files changed, 27 insertions(+)

diff --git a/ompi/mca/btl/openib/btl_openib_lex.l b/ompi/mca/btl/openib/btl_openib_lex.l
index cc38b40fd3..af58b45a73 100644
--- a/ompi/mca/btl/openib/btl_openib_lex.l
+++ b/ompi/mca/btl/openib/btl_openib_lex.l
@@ -113,6 +113,15 @@ static int finish_parsing(void)
         YY_CURRENT_BUFFER = NULL;
 #endif  /* YY_CURRENT_BUFFER_LVALUE */
     }
+
+    /* Put in this dumb thing to avoid a compiler warning about
+       yy_flex_realloc being defined but not used.  @#$@!#$!@#$ */
+    {
+        char *foo = malloc(1);
+        foo = yy_flex_realloc(foo, 2);
+        free(foo);
+    }
+
     return YY_NULL;
 }
 
diff --git a/opal/util/keyval/keyval_lex.l b/opal/util/keyval/keyval_lex.l
index 0bedabe59a..8069f2c1f5 100644
--- a/opal/util/keyval/keyval_lex.l
+++ b/opal/util/keyval/keyval_lex.l
@@ -97,6 +97,15 @@ static int finish_parsing(void)
         YY_CURRENT_BUFFER = NULL;
 #endif  /* YY_CURRENT_BUFFER_LVALUE */
     }
+
+    /* Put in this dumb thing to avoid a compiler warning about
+       yy_flex_realloc being defined but not used.  @#$@!#$!@#$ */
+    {
+        char *foo = malloc(1);
+        foo = yy_flex_realloc(foo, 2);
+        free(foo);
+    }
+
     return YY_NULL;
 }
 
diff --git a/opal/util/show_help_lex.l b/opal/util/show_help_lex.l
index 49a7d69f48..9ee12d9718 100644
--- a/opal/util/show_help_lex.l
+++ b/opal/util/show_help_lex.l
@@ -88,6 +88,15 @@ int opal_show_help_finish_parsing(void)
         YY_CURRENT_BUFFER = NULL;
 #endif  /* YY_CURRENT_BUFFER_LVALUE */
     }
+
+    /* Put in this dumb thing to avoid a compiler warning about
+       yy_flex_realloc being defined but not used.  @#$@!#$!@#$ */
+    {
+        char *foo = malloc(1);
+        foo = yy_flex_realloc(foo, 2);
+        free(foo);
+    }
+
     return YY_NULL;
 }