sudo apt-get update
sudo apt-get install wget zlib2 make
3. 下載相應(yīng)版本的gcc安裝包(把下面的地址換成相應(yīng)版本的gcc即可)
wget https://ftp.gnu.org/gnu/gcc/gcc-12.2.0/gcc-12.2.0.tar.gz
tar -xzvf gcc-12.2.0.tar.gz
配置安裝路徑 sudo vim /etc/profile, 在最后添加
export PATH="/usr/local/gcc-9.2/bin:$PATH"
進(jìn)入gcc源碼目錄
cd gcc-12.2.0/
./contrib/download_prerequisites
cd ..
mkdir temp_gcc9.2 && cd temp_gcc9.2
這里報(bào)錯(cuò):
configure: error: no acceptable C compiler found in $PATH
原因是沒(méi)有安裝gcc g++, 解決方法:
apt-get install -y gcc g++
再次執(zhí)行后成功
make && make install
ln -s /usr/local/gcc-12.2/bin/gcc /usr/bin/gcc
gcc -v
root@fc4041008a22:/build# gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/local/gcc-12.2/libexec/gcc/x86_64-pc-linux-gnu/12.2.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc-12.2.0/configure --prefix=/usr/local/gcc-12.2 --enable-threads=posix --disable-checking --disable-multilib
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 12.2.0 (GCC)
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