Can not link the shared-object(.so)

[shenben]

Every program can be properly compiled. However, when I run a program that uses pre-compiled linking with -.so files, I get the error "No such file or directory". Could you please offer a solution or any advice?

For example, in the directory ‘pmem_space_management’,when running the command "make run_memkind" on the bash shell, the errors shown below appear in the terminal.

time LD_PRELOAD=./memkind_dram.so ./memory_mode_test 1
time: cannot run LD_PRELOAD=./memkind_dram.so: No such file or directory
Command exited with non-zero status 127
0.00user 0.00system 0:00.00elapsed ?%CPU (0avgtext+0avgdata 964maxresident)k
0inputs+0outputs (0major+24minor)pagefaults 0swaps
make: *** [Makefile:17: run_memkind] Error 127

Another Example is shown in the below.

emc_admin@numasvr02:~/NvmEngine/pmem_program/wal_accel$ make run_acc
export AOFGUARD_DISABLE_SYNC=yes
export AOFGUARD_NVM_DIR=/mnt/pmem0
export AOFGUARD_NVM_SIZE_MB=512
export LD_LIBRARY_PATH=./lib
export AOFGUARD_FILENAME_PATTERN=.log
LD_PRELOAD=./lib/libaofguard_inject.so taskset -c 0 ./wal_acc 
./wal_acc: error while loading shared libraries: libaofguard_inject.so: cannot open shared object file: No such file or directory
make: *** [Makefile:32: run_acc] Error 127

Both of their XXX.so files are not found by the program. (I can ensure that -.so files are properly compiled and accessible, as shown below.)

$ find . -name libaofguard_inject.so
./lib/libaofguard_inject.so

I'm at a loss as to what caused this and how to fix it. I'd be grateful if you @guoanwu could provide me with any useful information!

By the way, my settings are as follows.

ndctl-71.1
pmdk-1.9.3
memkind-1.12.0
ubuntu  20.04
gcc 7.5.0
GNU Make 4.2.1