// setSyncbaseEnv adds the LevelDB third-party C++ libraries Vanadium // Go code depends on to the CGO_CFLAGS and CGO_LDFLAGS variables. func setSyncbaseEnv(ctx *tool.Context, env *envvar.Vars, root string) error { libs := []string{ "leveldb", "snappy", } // TODO(rogulenko): get these vars from a config file. goos, goarch := env.Get("GOOS"), env.Get("GOARCH") if goos == "" { goos = runtime.GOOS } if goarch == "" { goarch = runtime.GOARCH } for _, lib := range libs { cflags := env.GetTokens("CGO_CFLAGS", " ") cxxflags := env.GetTokens("CGO_CXXFLAGS", " ") ldflags := env.GetTokens("CGO_LDFLAGS", " ") dir, err := ThirdPartyCCodePath(goos, goarch) if err != nil { return err } dir = filepath.Join(dir, lib) if _, err := ctx.Run().Stat(dir); err != nil { if !os.IsNotExist(err) { return err } continue } cflags = append(cflags, filepath.Join("-I"+dir, "include")) cxxflags = append(cxxflags, filepath.Join("-I"+dir, "include")) ldflags = append(ldflags, filepath.Join("-L"+dir, "lib")) if runtime.GOARCH == "linux" { ldflags = append(ldflags, "-Wl,-rpath", filepath.Join(dir, "lib")) } env.SetTokens("CGO_CFLAGS", cflags, " ") env.SetTokens("CGO_CXXFLAGS", cxxflags, " ") env.SetTokens("CGO_LDFLAGS", ldflags, " ") } return nil }