Merge pull request #293 from SpaceIm/fix/cppstd

CMake: set min required C++ standard to C++11

CMakeLists.txt

@@ -28,7 +28,7 @@ if (NOT CMAKE_CXX_FLAGS)
         add_definitions("-DNOGDI=1")
         add_definitions("-DNOMINMAX=1")
     else()
-        set(CMAKE_CXX_FLAGS "-std=c++11 -Wall")
+        set(CMAKE_CXX_FLAGS "-Wall")
     endif()
 endif()
 

src/CMakeLists.txt

@@ -36,6 +36,7 @@ set(NAMESPACE           "${PROJECT_NAME}::")
 set(TARGET_EXPORT_NAME  ${PROJECT_NAME}Targets)
 
 add_library(${TARGET_NAME} ${CPPKAFKA_LIBRARY_TYPE} ${SOURCES})
+target_compile_features(${TARGET_NAME} PUBLIC cxx_std_11)
 target_include_directories(${TARGET_NAME} PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../include/cppkafka>)
 set_target_properties(${TARGET_NAME} PROPERTIES
         ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_INSTALL_LIBDIR}"