ubuntu20.04安装gfortran-6/libgfortran.so.3
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2022-03-08 10:04:02
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当我尝试在ubuntu20.04上运行GAMIT下的doy命令时，显示：
[email protected]:/etc/apt# doy
doy: error while loading shared libraries: libgfortran.so.3: cannot open shared object file: No such file or directory
其中libgfortran.so.3依赖于gfortran-6，则尝试安装gfortran-6：
[email protected]:/etc/apt# apt install gfortran-6
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package gfortran-6
这里的问题是ubuntu20.04不支持g+±6，添加以下源至/etc/apt/sources.list，添加源方式见链接
deb http://gb.archive.ubuntu.com/ubuntu/ bionic main universe
运行
sudo apt-get update
安装gcc++ -6
apt-get install g++-6
设置gcc默认版本
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-6 6
安装gfortran-6
apt install gfortran-6
安装成功，运行doy
[email protected]:/etc/apt# doy 2020 001
Date 2020/01/01 0:00 hrs, DOY 1 JD 2458849.5000 MJD 58849.0000
GPS Week 2086 Day of week 3, GPS Seconds 259200 Day of Week Wed
Decimal Year 2020.000000000 GRACE Seconds 631108800.0
运行成功