Environment variable CC is set in a user's environment starting with Node.js v18 for z/OS, which requires IBM Open XL C/C++ compiler (invocation: clang, ibm-clang64 or ibm-clang), but CC may not be set in older versions (which required njsc or xlclang), hence default to njsc to support older versions.
Environment variable CC is set in a user's environment starting with Node.js v18 for z/OS, which requires IBM Open XL C/C++ compiler (invocation: clang, ibm-clang64 or ibm-clang), but CC may not be set in older versions (which required njsc or xlclang), hence default to njsc to support older versions.