Force rebuild each time to pick up .h changes Tidy up go.mod. Bump version.

v2/cmd/wails/version.go

@@ -1,3 +1,3 @@
 package main
 
-var version = "v2.0.0-alpha.4"
+var version = "v2.0.0-alpha.5"

v2/go.mod

@@ -1,6 +1,6 @@
 module github.com/wailsapp/wails/v2
 
-go 1.13
+go 1.15
 
 require (
 	github.com/davecgh/go-spew v1.1.1

v2/pkg/commands/build/base.go

@@ -148,6 +148,13 @@ func (b *BaseBuilder) CompileProject(options *Options) error {
 	// Default go build command
 	commands := slicer.String([]string{"build"})
 
+	// TODO: Work out if we can make this more efficient
+	// We need to do a full build as CGO doesn't detect updates
+	// to .h files, and we package assets into .h file. We could
+	// potentially try and see if the assets have changed but will
+	// this take as much time as a `-a` build?
+	commands.Add("-a")
+
 	var tags slicer.StringSlicer
 	tags.Add(options.OutputType)