compiler: move Config struct to compileopts

compileopts/config.go

@@ -0,0 +1,31 @@
+// Package compileopts contains the configuration for a single to-be-built
+// binary.
+package compileopts
+
+// Config keeps all configuration affecting the build in a single struct.
+type Config struct {
+	Triple        string   // LLVM target triple, e.g. x86_64-unknown-linux-gnu (empty string means default)
+	CPU           string   // LLVM CPU name, e.g. atmega328p (empty string means default)
+	Features      []string // LLVM CPU features
+	GOOS          string   //
+	GOARCH        string   //
+	GC            string   // garbage collection strategy
+	Scheduler     string   // scheduler implementation ("coroutines" or "tasks")
+	PanicStrategy string   // panic strategy ("print" or "trap")
+	CFlags        []string // cflags to pass to cgo
+	LDFlags       []string // ldflags to pass to cgo
+	ClangHeaders  string   // Clang built-in header include path
+	DumpSSA       bool     // dump Go SSA, for compiler debugging
+	VerifyIR      bool     // run extra checks on the IR
+	Debug         bool     // add debug symbols for gdb
+	GOROOT        string   // GOROOT
+	TINYGOROOT    string   // GOROOT for TinyGo
+	GOPATH        string   // GOPATH, like `go env GOPATH`
+	BuildTags     []string // build tags for TinyGo (empty means {Config.GOOS/Config.GOARCH})
+	TestConfig    TestConfig
+}
+
+type TestConfig struct {
+	CompileTestBinary bool
+	// TODO: Filter the test functions to run, include verbose flag, etc
+}