Fixing syscall requests to unix.

Makefile

@@ -51,7 +51,7 @@ build:
 	@echo "GOOS         = $(GOOS)"
 	@echo "GOARCH       = $(GOARCH)"
 	@echo "CGO_ENABLED  = $(CGO_ENABLED)"
-	@go build -o $(BIN_DIR)/$(PROJECT_NAME)-$(GOOS)-$(GOARCH) -v -x $(SRC_DIR)/$(PROJECT_NAME)
+	@GOOS=$(GOOS) GOARCH=$(GOARCH) go build -o $(BIN_DIR)/$(PROJECT_NAME)-$(GOOS)-$(GOARCH) -v -x $(SRC_DIR)/$(PROJECT_NAME)
 	@echo "Built!"
 
 clean:

pkg/pingo/request.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"fmt"
 	"net"
-	"syscall"
 	"time"
 
 	"github.com/code-brew-lab/pingo/pkg/netcore"
@@ -18,7 +17,7 @@ type Request struct {
 }
 
 func NewRequest(ip net.IP) (*Request, error) {
-	fd, err := unix.Socket(syscall.AF_INET, syscall.SOCK_RAW, syscall.IPPROTO_ICMP)
+	fd, err := unix.Socket(unix.AF_INET, unix.SOCK_RAW, unix.IPPROTO_ICMP)
 	if err != nil {
 		return nil, fmt.Errorf("pingo.NewRequest: %v", err)
 	}

pkg/pingo/response.go

@@ -3,10 +3,10 @@ package pingo
 import (
 	"context"
 	"fmt"
-	"syscall"
 	"time"
 
 	"github.com/code-brew-lab/pingo/pkg/netcore"
+	"golang.org/x/sys/unix"
 )
 
 func Read(ctx context.Context, fd int, id netcore.ID, timeout time.Duration) (<-chan *netcore.Datagram, <-chan error) {
@@ -46,7 +46,7 @@ func Read(ctx context.Context, fd int, id netcore.ID, timeout time.Duration) (<-
 
 func read(fd int) (*netcore.Datagram, error) {
 	buff := make([]byte, 1024)
-	numRead, err := syscall.Read(fd, buff)
+	numRead, err := unix.Read(fd, buff)
 	if err != nil {
 		return nil, err
 	}