src/pkg/runtime/mkversion.c

#include <u.h>
#include <libc.h>

char *template =
	"// generated by mkversion.c; do not edit.\n"
	"package runtime\n"
	"const defaultGoroot = `%s`\n"
	"const theVersion = \"%s\"\n";

void
main(void)
{
	print(template, getgoroot(), getgoversion());
	exits(0);
}