GCC版本

這個版本的編譯器不適合編譯Python3.9，在編譯時會產(chǎn)生如下的錯誤。我們用這個老版本編譯器編譯一個新的GCC 9.2版。

Could not import runpy module Traceback (most recent call last):File "Python-3.8.1/Lib/runpy.py", line 15, in <module>import importlib.utilFile "Python-3.8.1/Lib/importlib/util.py", line 14, in <module>from contextlib import contextmanagerFile "Python-3.8.1/Lib/contextlib.py", line 4, in <module>import _collections_abc SystemError: <built-in function compile> returned NULL without setting an error generate-posix-vars failed make[1]: *** [pybuilddir.txt] Error 1 make[1]: Leaving directory `Python-3.8.1' make: *** [profile-opt] Error 2

下載gcc

wget https://ftp.gnu.org/gnu/gcc/gcc-9.2.0/gcc-9.2.0.tar.xz tar zxvf gcc-9.2.0.tar.xz cd gcc-9.2.0/ 編譯時出現(xiàn)如下錯誤 configure: error: Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify their locations. Source code for these libraries can be found at their respective hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also http://gcc.gnu.org/install/prerequisites.html for additional info. If you obtained GMP, MPFR and/or MPC from a vendor distribution package, make sure that you have installed both the libraries and the header files. They may be located in separate packages.錯誤信息中說明，安裝gcc需要這三個依賴：GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+。錯誤信息，提示了下載頁面的地址：ftp://gcc.gnu.org/pub/gcc/infrastructure/。打開鏈接：ftp://gcc.gnu.org/pub/gcc/infrastructure/。 或者 yum install gmp gmp-devel mpfr mpfr-devel libmpc libmpc-devel 找到需要的三個包地址，下載下來： wget https://ftp.gnu.org/gnu/gcc/gcc-9.2.0/gcc-9.2.0.tar.xzwget ftp://gcc.gnu.org/pub/gcc/infrastructure/gmp-6.1.0.tar.bz2wget ftp://gcc.gnu.org/pub/gcc/infrastructure/mpfr-3.1.4.tar.bz2wget ftp://gcc.gnu.org/pub/gcc/infrastructure/mpc-1.0.3.tar.gz安裝GMP：　　　　　　 tar -jxvf gmp-6.1.0.tar.bz2 cd gmp-6.1.0 ./configure make && make install 安裝MPFR： tar -jxvf mpfr-3.1.4.tar.bz2 cd mpfr-3.1.4 ./configure make && make install 安裝MPC：　 tar -zxvf mpc-1.0.3.tar.gz cd mpc-1.0.3 ./configure make && make install編譯安裝會出現(xiàn)/usr/include/gnu/stubs.h:7:27: 錯誤：gnu/stubs-32.h：沒有那個文件或目錄 yum install glibc-devel.i686 mkdir build && cd build $ ../configure --prefix=/usr/local --disable-multilib --enable-languages=c,c++ $ make && sudo make install移除gcc yum remove gcc

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