install ngspice

mkdir release
cd release
../configure --with-x --enable-xspice --disable-debug --enable-cider --with-readline=yes --enable-openmp
make
sudo make install

安裝過程中可能遇到錯誤:
1.error: no acceptable C compiler found in $PATH
yum install Gcc
使用./configure 錯誤configure: error: no acceptable C compiler found in $PATH
2.couldn't find gnu readline headers
yum install readline-devel

繪圖方面問題可能缺少的套件:
readline-devel
libXaw-devel
libX11-devel