Save a log file of build commands and errors
Save a log file of build commands and errors

Change-Id: I7ad7b5db84e2c33b0340943f7f2b13403e777383
Reviewed-on: https://swiftshader-review.googlesource.com/3587
Reviewed-by: Nicolas Capens <0612353e1fcebbfd4b302d9337447ca0cdfa9122@google.com>
Tested-by: Greg Hartman <1491e78df1ea2169b62fa2ceaf1a32538792aab8@google.com>

bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader