BUILD: tools: get the absolute path of the current binary on NetBSD.
NetBSD stores the absolute path into the auxiliary vector as well.
diff --git a/src/tools.c b/src/tools.c
index bd6bf4e..545fd9e 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -16,6 +16,11 @@
#include <link.h>
#endif
+#if defined(__NetBSD__)
+#include <sys/exec_elf.h>
+#include <dlfcn.h>
+#endif
+
#include <ctype.h>
#include <errno.h>
#include <netdb.h>
@@ -4761,6 +4766,14 @@
if (execfn && execfn != ENOENT)
ret = (const char *)execfn;
+#elif defined(__NetBSD__)
+ AuxInfo *auxv;
+ for (auxv = _dlauxinfo(); auxv->a_type != AT_NULL; ++auxv) {
+ if (auxv->a_type == AT_SUN_EXECNAME) {
+ ret = (const char *)auxv->a_v;
+ break;
+ }
+ }
#endif
return ret;
}