编译出错

[chijiao]

Gcc 版本 [root@localhost tinyFecVPN]# g++ -v Using built-in specs. Target: x86_64-redhat-linux Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux Thread model: posix gcc version 4.4.7 20120313 (Red Hat 4.4.7-18) (GCC)

操作系统 centos6 64

编译提示

[root@localhost tinyFecVPN]# make amd64 echo "const char const gitversion = \"cec9c1242716513ce689737aaa720d4f2e747807\";" > git_version.h g++ -o tinyvpn_amd64 -I. `ls UDPspeeder/.cpp UDPspeeder/lib/*.c|grep -v main.cpp|grep -v tunnel.cpp` main.cpp tun_dev.cpp -std=c++11 -Wall -Wextra -Wno-unused-variable -Wno-unused-parameter -Wno-missing-field-initializers -ggdb -I. -IUDPspeeder -lrt -static -O3 cc1plus: error: unrecognized command line option "-std=c++11" cc1plus: error: unrecognized command line option "-std=c++11" cc1plus: error: unrecognized command line option "-std=c++11" cc1plus: error: unrecognized command line option "-std=c++11" cc1plus: error: unrecognized command line option "-std=c++11" cc1plus: error: unrecognized command line option "-std=c++11" cc1plus: error: unrecognized command line option "-std=c++11" cc1plus: error: unrecognized command line option "-std=c++11" cc1plus: error: unrecognized command line option "-std=c++11" cc1plus: error: unrecognized command line option "-std=c++11" cc1plus: error: unrecognized command line option "-std=c++11" cc1plus: error: unrecognized command line option "-std=c++11" make: *** [amd64] Error 1

[wangyu-]

gcc版本过低。

这种问题请善用google。