diff -up ceph-0.94.1/src/rocksdb/configure.ac.tcmalloc ceph-0.94.1/src/rocksdb/configure.ac
--- ceph-0.94.1/src/rocksdb/configure.ac.tcmalloc	2015-06-08 14:03:27.000000000 +0200
+++ ceph-0.94.1/src/rocksdb/configure.ac	2015-06-08 14:03:41.000000000 +0200
@@ -19,7 +19,7 @@ AC_CHECK_LIB([snappy], [snappy_compress]
 AC_CHECK_LIB([z], [gzread], [HAVE_LIBZ=yes], [AC_MSG_FAILURE([libz not found])])
 AC_CHECK_LIB([bz2], [BZ2_bzCompressInit], [HAVE_LIBBZ2=yes], [AC_MSG_FAILURE([libbz2 not found])])
 AC_CHECK_LIB([rt], [clock_gettime], [HAVE_LIBRT=yes], [AC_MSG_FAILURE([librt not found])])
-AC_CHECK_LIB([tcmalloc], [malloc],  [HAVE_LIBTCMALLOC=yes],[AC_MSG_FAILURE([no tcmalloc found ])])
+AC_CHECK_LIB([tcmalloc], [malloc],  [HAVE_LIBTCMALLOC=yes],[AC_MSG_RESULT([no tcmalloc found ])])
 
 OLD_CXXFLAGS="$CXXFLAGS"
 CXXFLAGS="$CXXFLAGS -std=c++11"