c++0x_warning.h 错误

g++编译使用libmemcached编写的程序时报错，做个简单的记录。

In file included from /usr/lib/gcc/x86_64-redhat-Linux/4.4.7/../../../../include/c++/4.4.7/cinttypes:35,

                 from /usr/include/libmemcached-1.0/memcached.h:46,

                 from /usr/include/libmemcached/memcached.h:39,

                 from main.cpp:4:

/usr/lib/gcc/x86_64-redhat-linux/4.4.7/../../../../include/c++/4.4.7/C++0x_warning.h:31:2: error: #error This file requires compiler and library support for the upcoming ISO C++ standard, C++0x. This support is currently experimental, and must be enabled with the -std=c++0x or -std=gnu++0x compiler options.

解决方法：

         makefile之前的写法是： CXX = g++    

CXXFLAG = -g -Wall

在flag里加上-std=c++0x就可以编译通过啦，即：

CXX = g++

CXXFLAG = -g -Wall -std=c++0x

在.pro中添加

QMAKE_CXXFLAGS += -std=c++11

最后

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