os/exec: exclude aarch64

aarch64 has no support for the fork ssycall. for now exclude it.

Signed-off-by: leongross <[email protected]>

Author: leongross

src/os/osexec.go

@@ -1,4 +1,7 @@
-//go:build linux && !baremetal && !darwin && !tinygo.wasm
+//go:build linux && !baremetal && !darwin && !tinygo.wasm && !arm64
+
+// arm64 does not have a fork syscall, so ignore it for now
+// TODO: add support for arm64 with clone or use musl implementation
 
 package os
 

src/os/osexec_aarch64.go

@@ -0,0 +1,18 @@
+//go:build linux && !baremetal && !darwin && !tinygo.wasm && aarch64
+
+// arm64 does not have a fork syscall, so ignore it for now
+// TODO: add support for arm64 with clone or use musl implementation
+
+package os
+
+import (
+	"errors"
+)
+
+func fork() (pid int, err error) {
+	return 0, errors.New("fork not supported on aarch64")
+}
+
+func execve(pathname string, argv []string, envv []string) (err error) {
+	return 0, errors.New("execve not supported on aarch64")
+}