Merge pull request #1246 from MeteorsLiu/esp-libc

feat: support libc/compiler-rt for small places

internal/targets/config.go

@@ -16,6 +16,8 @@ type Config struct {
 	GOARCH    string   `json:"goarch"`
 
 	// Compiler and linker configuration
+	Libc         string   `json:"libc"`
+	RTLib        string   `json:"rtlib"`
 	Linker       string   `json:"linker"`
 	LinkerScript string   `json:"linkerscript"`
 	CFlags       []string `json:"cflags"`

internal/targets/loader.go

@@ -134,6 +134,12 @@ func (l *Loader) mergeConfig(dst, src *Config) {
 	if src.GOARCH != "" {
 		dst.GOARCH = src.GOARCH
 	}
+	if src.Libc != "" {
+		dst.Libc = src.Libc
+	}
+	if src.RTLib != "" {
+		dst.RTLib = src.RTLib
+	}
 	if src.Linker != "" {
 		dst.Linker = src.Linker
 	}