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//go:build byollvm
package builder
import (
"errors"
"unsafe"
)
/*
#cgo CXXFLAGS: -fno-rtti
#include <stdbool.h>
#include <stdlib.h>
bool tinygo_clang_driver(int argc, char **argv);
bool tinygo_link(int argc, char **argv);
*/
import "C"
const hasBuiltinTools = true
// RunTool runs the given tool (such as clang).
//
// This version actually runs the tools because TinyGo was compiled while
// linking statically with LLVM (with the byollvm build tag).
func RunTool(tool string, args ...string) error {
args = append([]string{tool}, args...)
var cflag *C.char
buf := C.calloc(C.size_t(len(args)), C.size_t(unsafe.Sizeof(cflag)))
defer C.free(buf)
cflags := (*[1 << 10]*C.char)(unsafe.Pointer(buf))[:len(args):len(args)]
for i, flag := range args {
cflag := C.CString(flag)
cflags[i] = cflag
defer C.free(unsafe.Pointer(cflag))
}
var ok C.bool
switch tool {
case "clang":
ok = C.tinygo_clang_driver(C.int(len(args)), (**C.char)(buf))
case "ld.lld", "wasm-ld":
ok = C.tinygo_link(C.int(len(args)), (**C.char)(buf))
default:
return errors.New("unknown tool: " + tool)
}
if !ok {
return errors.New("failed to run tool: " + tool)
}
return nil
}
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