ubuntu中安装gcc c++编译器

 

1、问题

root@ubuntu01:/home/software/PopLDdecay# ./configure
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /usr/bin/mkdir -p
checking for gawk... no
checking for mawk... mawk
checking whether make sets $(MAKE)... no
checking for gawk... (cached) mawk
checking for g++... no
checking whether the C++ compiler works... no
configure: error: in `/home/software/PopLDdecay':
configure: error: C++ compiler cannot create executables
See `config.log' for more details

 

2、测试gcc c++

root@ubuntu01:/home/software/PopLDdecay# gcc --version
-bash: gcc: command not found
root@ubuntu01:/home/software/PopLDdecay# c++ --version
-bash: c++: command not found

 

3、安装gcc、c++编译器

root@ubuntu01:/home/software/PopLDdecay# apt install build-essential

报错如下：

 

 

解决方法：

root@ubuntu01:/home/software/PopLDdecay# apt update

 

4、再次安装gcc、c++编译器

root@ubuntu01:/home/software/PopLDdecay# apt install build-essential

没有问题。

 

 

5、测试gcc、c++

root@ubuntu01:/home/software/PopLDdecay# gcc --version
gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0
Copyright (C) 2019 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.

root@ubuntu01:/home/software/PopLDdecay# c++ --version
c++ (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0
Copyright (C) 2019 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.