Support gyp-based (re)build without npm env vars #412
Support gyp-based (re)build without npm env vars #412

pporada-gl/sharp,lovell/sharp,mhirsch/sharp,pporada-gl/sharp,brandonaaron/sharp,digital-flowers/sharp-win32,lovell/sharp,digital-flowers/sharp-win32,pporada-gl/sharp,mdimitrov/sharp,mdimitrov/sharp,brandonaaron/sharp,mhirsch/sharp,brandonaaron/sharp,digital-flowers/sharp-win32,pporada-gl/sharp,lovell/sharp,brandonaaron/sharp,mhirsch/sharp,lovell/sharp,brandonaaron/sharp,pporada-gl/sharp,mdimitrov/sharp,lovell/sharp,cmtt/sharp,cmtt/sharp,cmtt/sharp,lovell/sharp,cmtt/sharp,digital-flowers/sharp-win32,mdimitrov/sharp,digital-flowers/sharp-win32,digital-flowers/sharp-win32,mdimitrov/sharp,mhirsch/sharp,digital-flowers/sharp-win32