Similar to the situation on x86-64, a sparc64 linux kernel can run a 32-bit
userspace, and when doing so, the triple should be the 32-bit variant not the
64-bit variant.
>From 2a1c9ec7c2f651244c9e48676eaba68dd9d0e248 Mon Sep 17 00:00:00 2001
From: James Y Knight <jykni...@google.com>
Date: Tue, 2 Jun 2015 15:36:24 -0400
Subject: [PATCH] * config.guess (sparc64:Linux:*:*): Detect 32-bit
userland on sparc64 linux kernel as sparc-unknown-linux.
---
ChangeLog | 5 +++++
config.guess | 17 +++++++++++++++--
2 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 0181c40..5f34276 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-06-02 James Y Knight <jykni...@google.com>
+
+ * config.guess (sparc64:Linux:*:*): Detect 32-bit userland on
+ sparc64 linux kernel as sparc-unknown-linux.
+
2015-03-08 Brion Vibber <br...@pobox.com>
* config.sub (asmjs): Recognize.
diff --git a/config.guess b/config.guess
index f7eb141..25ef2d1 100755
--- a/config.guess
+++ b/config.guess
@@ -2,7 +2,7 @@
# Attempt to guess a canonical system name.
# Copyright 1992-2015 Free Software Foundation, Inc.
-timestamp='2015-03-04'
+timestamp='2015-06-02'
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
@@ -1028,9 +1028,22 @@ EOF
sh*:Linux:*:*)
echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
exit ;;
- sparc:Linux:*:* | sparc64:Linux:*:*)
+ sparc:Linux:*:*)
echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
exit ;;
+ sparc64:Linux:*:*)
+ # A sparc64 kernel can be used with both 32bit and 64bit
+ # userspaces. Figure out which we have.
+ eval $set_cc_for_build
+ if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) |
+ grep -q __LP64__
+ then
+ SPARC_ARCH="sparc"
+ else
+ SPARC_ARCH="sparc64"
+ fi
+ echo ${SPARC_ARCH}-unknown-linux-${LIBC}
+ exit ;;
tile*:Linux:*:*)
echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
exit ;;
--
2.2.0.rc0.207.ga3a616c
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