if !ctxt.eval(x, allTags) {
						shouldBuild = false
					}
				}
			}
		}

		ext := nameExt(name)
		if !shouldBuild || tf.ignoreFile() {
			if ext == ".go" {
				p.IgnoredGoFiles = append(p.IgnoredGoFiles, name)
			} else if fileListForExt(p, ext) != nil {
				p.IgnoredOtherFiles = append(p.IgnoredOtherFiles, name)
			}
			continue
		}

        CgoFiles          []string   // .go source files that import "C"
        CompiledGoFiles   []string   // .go files presented to compiler (when using -compiled)
        IgnoredGoFiles    []string   // .go source files ignored due to build constraints
        IgnoredOtherFiles []string // non-.go source files ignored due to build constraints
        CFiles            []string   // .c source files