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package builder
import (
"errors"
"fmt"
"github.com/tinygo-org/tinygo/compileopts"
"github.com/tinygo-org/tinygo/goenv"
)
// NewConfig builds a new Config object from a set of compiler options. It also
// loads some information from the environment while doing that. For example, it
// uses the currently active GOPATH (from the goenv package) to determine the Go
// version to use.
func NewConfig(options *compileopts.Options) (*compileopts.Config, error) {
spec, err := compileopts.LoadTarget(options)
if err != nil {
return nil, err
}
if options.OpenOCDCommands != nil {
// Override the OpenOCDCommands from the target spec if specified on
// the command-line
spec.OpenOCDCommands = options.OpenOCDCommands
}
goroot := goenv.Get("GOROOT")
if goroot == "" {
return nil, errors.New("cannot locate $GOROOT, please set it manually")
}
major, minor, err := goenv.GetGorootVersion(goroot)
if err != nil {
return nil, fmt.Errorf("could not read version from GOROOT (%v): %v", goroot, err)
}
if major != 1 || minor < 18 || minor > 20 {
// Note: when this gets updated, also update the Go compatibility matrix:
// https://github.com/tinygo-org/tinygo-site/blob/dev/content/docs/reference/go-compat-matrix.md
return nil, fmt.Errorf("requires go version 1.18 through 1.20, got go%d.%d", major, minor)
}
clangHeaderPath := getClangHeaderPath(goenv.Get("TINYGOROOT"))
return &compileopts.Config{
Options: options,
Target: spec,
GoMinorVersion: minor,
ClangHeaders: clangHeaderPath,
TestConfig: options.TestConfig,
}, nil
}
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