From: Kefu Chai <kchai@redhat.com>
Date: Fri, 22 Sep 2017 02:38:01 +0000 (+0800)
Subject: cmake: update the error message for gperftools bug
X-Git-Tag: v13.0.1~827^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=04697cdbdc5d64bed32416cb7adcd29f678d1742;p=ceph.git

cmake: update the error message for gperftools bug

it's a follow-up of #17788

Signed-off-by: Kefu Chai <kchai@redhat.com>
---

diff --git a/cmake/modules/BuildRocksDB.cmake b/cmake/modules/BuildRocksDB.cmake
index 8c44098d6f24..108db6b6da81 100644
--- a/cmake/modules/BuildRocksDB.cmake
+++ b/cmake/modules/BuildRocksDB.cmake
@@ -61,8 +61,10 @@ macro(build_rocksdb)
         TCMALLOC_VERSION_STRING VERSION_GREATER 2.5 AND
         TCMALLOC_VERSION_STRING VERSION_LESS 2.6.2)
       message(SEND_ERROR
-        "Incompatible tcmalloc v${TCMALLOC_VERSION_STRING} and rocksdb v${ROCKSDB_VERSION_STRING}, "
-        "please install gperf-tools 2.5 or > 2.6.2")
+        "Incompatible tcmalloc v${TCMALLOC_VERSION_STRING} and rocksdb "
+        "v${ROCKSDB_VERSION_STRING}, please install gperf-tools 2.5 (not 2.5.93) "
+        "or >= 2.6.2, or switch to another allocator using "
+        "'cmake -DALLOCATOR=libc'.")
     endif()
   endif()
 endmacro()