From 38c5f2f3e6130ba79056480ce0f5149aa5dca38e Mon Sep 17 00:00:00 2001
From: Konstantin Podsvirov <konstantin@podsvirov.pro>
Date: Thu, 28 Jul 2016 01:28:49 +0300
Subject: [PATCH] CMake: Link to ZLIB only if protobuf_WITH_ZLIB enabled

---
 cmake/libprotobuf.cmake | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/cmake/libprotobuf.cmake b/cmake/libprotobuf.cmake
index 8930c1ca1e..26e1f35617 100644
--- a/cmake/libprotobuf.cmake
+++ b/cmake/libprotobuf.cmake
@@ -56,7 +56,10 @@ set(libprotobuf_files
 
 add_library(libprotobuf ${protobuf_SHARED_OR_STATIC}
   ${libprotobuf_lite_files} ${libprotobuf_files})
-target_link_libraries(libprotobuf ${CMAKE_THREAD_LIBS_INIT} ${ZLIB_LIBRARIES})
+target_link_libraries(libprotobuf ${CMAKE_THREAD_LIBS_INIT})
+if(protobuf_WITH_ZLIB)
+    target_link_libraries(libprotobuf ${ZLIB_LIBRARIES})
+endif()
 target_include_directories(libprotobuf PUBLIC ${protobuf_source_dir}/src)
 if(MSVC AND protobuf_BUILD_SHARED_LIBS)
   target_compile_definitions(libprotobuf