Bug#1060397: libsys-syscall-perl: FTBFS on riscv64: t/01-epoll.t failure

[Eric Wong]

Attached patch adds support for riscv64 and loongarch64

riscv64 tested on cfarm92.cfarm.net
I can't access loongarch64 machines on cfarm atm, but I tested
the epoll_* (but not sendfile+readahead) syscalls on another
machine a while ago.

>From 8d70578ff79b4754abaf456f71fe23a44b8335b4 Mon Sep 17 00:00:00 2001
From: Eric Wong <e...@80x24.org>
Date: Wed, 10 Jan 2024 19:28:48 +0000
Subject: [PATCH] add loongarch64 and riscv64 support

riscv64 tested on cfarm92.cfarm.net

I can't access cfarm40[01] right now, but I tested the epoll_*
syscall numbers a while ago for another project (not readahead
nor sendfile).

Thanks to gcc compiler farm (cfarm.net) for ssh access.
---
 lib/Sys/Syscall.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Sys/Syscall.pm b/lib/Sys/Syscall.pm
index a0a9b20..92c1024 100644
--- a/lib/Sys/Syscall.pm
+++ b/lib/Sys/Syscall.pm
@@ -126,7 +126,7 @@ if ($^O eq "linux") {
         $SYS_epoll_wait   = 409;
         $SYS_readahead    = 379;
         $u64_mod_8        = 1;
-    } elsif ($machine eq "aarch64") {
+    } elsif ($machine =~ /\A(?:loong|a)arch64\z/ || $machine eq 'riscv64') {
         $SYS_epoll_create = 20;  # (sys_epoll_create1)
         $SYS_epoll_ctl    = 21;
         $SYS_epoll_wait   = 22;  # (sys_epoll_pwait)