$NetBSD: patch-configure,v 1.3 2023/08/25 16:38:42 adam Exp $

Add support for NetBSD arm.

--- configure.orig	2023-08-24 18:55:19.000000000 +0000
+++ configure
@@ -18458,6 +18458,7 @@ printf %s "checking how to access the pr
    pc_fields="$pc_fields uc_mcontext.mc_rip"           # FreeBSD (x86_64)
    pc_fields="$pc_fields uc_mcontext.__gregs[_REG_EIP]"  # NetBSD (i386)
    pc_fields="$pc_fields uc_mcontext.__gregs[_REG_RIP]"  # NetBSD (x86_64)
+   pc_fields="$pc_fields uc_mcontext.__gregs[_REG_PC]"   # NetBSD (arm)
    pc_fields="$pc_fields uc_mcontext->ss.eip"          # OS X (i386, <=10.4)
    pc_fields="$pc_fields uc_mcontext->__ss.__eip"      # OS X (i386, >=10.5)
    pc_fields="$pc_fields uc_mcontext->ss.rip"          # OS X (x86_64)