From: Mauritz Sundell
Date: May 30 2012 11:39am
Subject: Fwd: mysql-cluster-7.2.6 build failed GCC-4.7
List-Archive: http://lists.mysql.com/cluster/8355
Message-Id: <4FC606D7.7090806@oracle.com>
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Hi nanashi,
yes it looks related to gcc-4.7.

I have a patch below that should fix at least the compilation
error in HashMap2.cpp.  But since I not for the moment have
access to a build environment with gcc-4.7 where could be more
errors related to gcc-4.7.

Regards,
Mauritz Sundell,
MySQL Cluster Developer

=== modified file 'storage/ndb/src/common/util/HashMap2.cp
--- storage/ndb/src/common/util/HashMap2.cpp    2011-09-07
+++ storage/ndb/src/common/util/HashMap2.cpp    2012-05-28
@@ -157,14 +157,14 @@ TAPTEST(HashMap2)
     /* Test iterator Api */
     HashMap2<IntIntKVPod, true, TestHeapAllocator, IntInt

-    IntIntKVPod* j;
+    IntIntKVPod* k;
     for (int i=0; i < 2; i++)
     {
       int count = 0;
-      while((j = it.next()))
+      while((k = it.next()))
       {
-        OK( j->b == ((j->a * 3) - i) );
-        j->b--;
+        OK( k->b == ((k->a * 3) - i) );
+        k->b--;
         count++;
       }
       OK( count == 100 );



-------- Original Message --------
Subject: mysql-cluster-7.2.6 build failed GCC-4.7
Date: Sun, 27 May 2012 17:01:03 +0300
From: nanashi <nanashi@stripped>
To: cluster@stripped

I'm using Slackware-current GCC-4.7 cmake-2.8.8 linux kernel 3.2.14

Although mysql-5.5.24 server built successfully, I'm trying to build
mysql-cluster-gpl-7.2.6 and I'm getting a build failed with

[ 32%] Building CXX object
storage/ndb/src/common/util/CMakeFiles/HashMap2-t.dir/HashMap2.cpp.o
/tmp/mysql-cluster-gpl-7.2.6/storage/ndb/src/common/util/HashMap2.cpp:
In function ‘int HashMap2_test()’:
/tmp/mysql-cluster-gpl-7.2.6/storage/ndb/src/common/util/HashMap2.cpp:160:18:

error: redeclaration of ‘IntIntKVPod* j’
/tmp/mysql-cluster-gpl-7.2.6/storage/ndb/src/common/util/HashMap2.cpp:117:12:

error: ‘int j’ previously declared here
make[2]: ***
[storage/ndb/src/common/util/CMakeFiles/HashMap2-t.dir/HashMap2.cpp.o]
Error 1
make[1]: *** [storage/ndb/src/common/util/CMakeFiles/HashMap2-t.dir/all]
Error 2
make: *** [all] Error 2

It must be gcc-4.7 related, according to
http://gcc.gnu.org/gcc-4.7/porting_to.html

regards


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