From 6959dc3b335790904ba28f19694449ebb0fcd7d6 Mon Sep 17 00:00:00 2001
From: proller <proller@github.com>
Date: Wed, 19 Dec 2018 19:25:38 +0300
Subject: [PATCH] Fix build without submodules

---
 cmake/find_base64.cmake | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/cmake/find_base64.cmake b/cmake/find_base64.cmake
index ad71d11c1b4..9b6e28a8ccf 100644
--- a/cmake/find_base64.cmake
+++ b/cmake/find_base64.cmake
@@ -1,4 +1,11 @@
-option (ENABLE_BASE64 "Enable base64" ON)
+if (NOT EXISTS "${ClickHouse_SOURCE_DIR}/base64/lib/lib.c")
+    set (MISSING_INTERNAL_BASE64_LIBRARY 1)
+    message (WARNING "submodule contrib/base64 is missing. to fix try run: \n git submodule update --init --recursive")
+endif ()
+
+if (NOT MISSING_INTERNAL_BASE64_LIBRARY)
+    option (ENABLE_BASE64 "Enable base64" ON)
+endif ()
 
 if (ENABLE_BASE64)
     if (NOT EXISTS "${ClickHouse_SOURCE_DIR}/contrib/base64")
@@ -9,4 +16,3 @@ if (ENABLE_BASE64)
         set (USE_BASE64 1)
     endif()
 endif ()
-