need some general *nix errs too

logging/errs_linux.go

@@ -1,18 +1,10 @@
 package logging
 
 import (
-	`errors`
-	`fmt`
+	"errors"
 )
 
 var (
 	// ErrNoSysD indicates that the user attempted to add a SystemDLogger to a MultiLogger but systemd is unavailable.
 	ErrNoSysD error = errors.New("a systemd (journald) Logger was requested but systemd is unavailable on this system")
-	// ErrNoSyslog indicates that the user attempted to add a SyslogLogger to a MultiLogger but syslog's logger device is unavailable.
-	ErrNoSyslog error = errors.New("a Syslog Logger was requested but Syslog is unavailable on this system")
-	/*
-		ErrInvalidDevLog indicates that the user attempted to add a SyslogLogger to a MultiLogger but
-		the Syslog char device file is... not actually a char device file.
-	*/
-	ErrInvalidDevLog error = errors.New(fmt.Sprintf("a Syslog Logger was requested but %v is not a valid logger handle", devlog))
 )

logging/errs_nix.go

@@ -0,0 +1,19 @@
+//go:build !(windows || plan9 || wasip1 || js || ios)
+// +build !windows,!plan9,!wasip1,!js,!ios
+
+package logging
+
+import (
+	"errors"
+	"fmt"
+)
+
+var (
+	// ErrNoSyslog indicates that the user attempted to add a SyslogLogger to a MultiLogger but syslog's logger device is unavailable.
+	ErrNoSyslog error = errors.New("a Syslog Logger was requested but Syslog is unavailable on this system")
+	/*
+		ErrInvalidDevLog indicates that the user attempted to add a SyslogLogger to a MultiLogger but
+		the Syslog char device file is... not actually a char device file.
+	*/
+	ErrInvalidDevLog error = errors.New(fmt.Sprintf("a Syslog Logger was requested but %v is not a valid logger handle", devlog))
+)

logging/funcs_oldnix.go

@@ -15,7 +15,6 @@ import (
 )
 
 var (
-	_ = sysd.Enabled()
 	_ = native.Logger{}
 	_ = os.Interrupt
 )