cc1: error: unrecognized command line option "-std=c11"

這個問題主要是由於gcc版本問題,

root# gcc --version
gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23)
Copyright (C) 2010 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE

下載gcc gcc-4.8.2
然後運行

tar -zxvf gcc-4.8.2.tar.gz
cd  gcc-4.8.2

依賴下載,包裏面提供了依賴下載的處理,直接執行:

./contrib/download_prerequisites

如果沒有外網,可以查看contrib/download_prerequisites裏面內容:

MPFR=mpfr-2.4.2
GMP=gmp-4.3.2
MPC=mpc-0.8.1
wget ftp://gcc.gnu.org/pub/gcc/infrastructure/$MPFR.tar.bz2 || exit 1
tar xjf $MPFR.tar.bz2 || exit 1
ln -sf $MPFR mpfr || exit 1
wget ftp://gcc.gnu.org/pub/gcc/infrastructure/$GMP.tar.bz2 || exit 1
tar xjf $GMP.tar.bz2  || exit 1
ln -sf $GMP gmp || exit 1
wget ftp://gcc.gnu.org/pub/gcc/infrastructure/$MPC.tar.gz || exit 1
tar xzf $MPC.tar.gz || exit 1
ln -sf $MPC mpc || exit 1
rm $MPFR.tar.bz2 $GMP.tar.bz2 $MPC.tar.gz || exit 1

直接按照上述操作,但是需要注意的是,下載和軟連接的操作是在gcc-4.8.2目錄,
或者下載 gcc包含依賴,裏面依賴已經下載好了,執行

./configure -enable-checking=release -enable-languages=c,c++ -disable-multilib
make && make install 

查看gcc版本號:

root# gcc --version
gcc (GCC) 4.8.2
Copyright (C) 2013 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE

完成

如果安裝完成之後還是報之前的問題,這時候可能是安裝的gcc沒有更新到正式環境變量和路徑,按如下操作執行:

#查找gcc相關執行文件
[root@gs-server-7697 redis-6.0.1]# find / -name gcc
/usr/service/gcc-4.8.2/gcc
/usr/service/gcc-4.8.2/gcc/testsuite/ada/acats/tests/gcc
/usr/service/gcc-4.8.2/gcc-build/gcc
/usr/service/gcc-4.8.2/host-x86_64-unknown-linux-gnu/gcc
/usr/service/gcc-4.8.2/host-x86_64-unknown-linux-gnu/host-x86_64-unknown-linux-gnu/gcc
/usr/libexec/gcc
/usr/local/otp_src_19.3/erts/include/internal/gcc
/usr/local/erlang/lib/erlang/erts-8.3/include/internal/gcc
/usr/local/libexec/gcc
/usr/local/bin/gcc
/usr/local/lib/gcc
/usr/bin/gcc
/usr/lib/gcc
You have new mail in /var/spool/mail/root
[root@gs-server-7697 redis-6.0.1]# /usr/bin/gcc -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 4.4.7-23) (GCC) 
[root@gs-server-7697 redis-6.0.1]# /usr/local/bin/gcc -v
Using built-in specs.
COLLECT_GCC=/usr/local/bin/gcc
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.8.2/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ./configure -enable-checking=release -enable-languages=c,c++ -disable-multilib
Thread model: posix
gcc version 4.8.2 (GCC) 

可以看到,有多個版本的gcc存在,調整/usr/bin/gcc指向新版本gcc

mv /usr/bin/gcc /usr/bin/gcc-4.4.7
ln -s /usr/local/bin/gcc /usr/bin/gc
/usr/bin/gcc -v

可以看到,現在/usr/bin/gcc已經是新版gcc了,接着講g++等也指向新版:

mv /usr/bin/g++ /usr/bin/g++-4.4.7

ln -s /usr/local/bin/g++ /usr/bin/g++


mv /usr/bin/c++ /usr/bin/c++-4.4.7

ln -s /usr/local/bin/c++ /usr/bin/c++
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