perl test_simple1.pl DynaLoader.pm loaded (/opt/ActivePerl-5.18/site/lib /opt/ActivePerl-5.18/lib . lib, /lib /usr/lib /usr/local/lib ./auto/LicenseInterface) DynaLoader::bootstrap for LicenseInterface (auto/LicenseInterface/LicenseInterface.so) BS: ./auto/LicenseInterface/LicenseInterface.bs (linux, dl_dlopen.xs) dl_findfile(./auto/LicenseInterface/libLicIntfcLib.so ./auto/LicenseInterface/liblmgr11.so) dl_findfile found: ./auto/LicenseInterface/libLicIntfcLib.so ./auto/LicenseInterface/liblmgr11.so Can't load './auto/LicenseInterface/LicenseInterface.so' for module LicenseInterface: libLicIntfcLib.so: cannot open shared object file: No such file or directory at /opt/ActivePerl-5.18/lib/DynaLoader.pm line 191. at lib/LicenseInterface.pm line 11. Compilation failed in require at test_simple1.pl line 8.