echo %LIB% C:\Program Files\Microsoft Visual Studio 9.0\VC\ATLMFC\LIB\amd64;C:\Program Files\Microsoft Visual Studio 9.0\VC\LIB\amd64;C:\Program Files\Microsoft SDKs\Windows\v6.0A\lib\x64;C:\OpenSSL-Win64;C:\OpenSSL-Win64\lib;C:\OpenSSL-Win64\bin echo %INCLUDE% C:\Program Files\Microsoft Visual Studio 9.0\VC\ATLMFC\INCLUDE;C:\Program Files\Microsoft Visual Studio 9.0\VC\INCLUDE;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include;C:\OpenSSL-Win64\include #### perl Makefile.PL -lssl -lcrypto not found. Need to install the openssl devel packages. Checking if your kit is complete... Looks good Note (probably harmless): No library found for -lssl Note (probably harmless): No library found for -lcrypto Note (probably harmless): No library found for bufferoverflowU.lib Writing Makefile for Crypt::OpenSSL::Random Writing MYMETA.yml #### Random.obj : error LNK2001: unresolved external symbol RAND_status Random.obj : error LNK2001: unresolved external symbol RAND_egd Random.obj : error LNK2001: unresolved external symbol RAND_seed Random.obj : error LNK2001: unresolved external symbol RAND_bytes