常见问题

gcc编译找不到libisl.so.23库

Compiling  init.cc                             > /online1/yxsc/liqy/nccl-2.18.1-1/build/obj/init.o

/online1/yxsc/liqy/gcc/bin/../libexec/gcc/x86_64-pc-linux-gnu/9.5.0/cc1plus: error while loading shared libraries: libisl.so.23: cannot open shared object file: No such file or directory

原因：当前环境变量中没有加载isl

$ export LD_LIBRARY_PATH=$HOME/online1/m4:$HOME/online1/mpc/lib:$HOME/online1/gmp/lib:$HOME/online1/mpfr/lib:$HOME/online1/isl/lib:$LD_LIBRARY_PATH