Your message dated Sun, 12 Apr 2026 17:35:24 +0000
with message-id <[email protected]>
and subject line Bug#1132457: fixed in gasnet 2025.8.0-7
has caused the Debian Bug report #1132457,
regarding gasnet: FTBFS: Add loongarch64 support
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1132457: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132457
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: gasnet
Version: 2025.8.0-5
Severity: normal
Tags: FTBFS patch
User: [email protected]
Usertags: loong64
Dear maintainers,
Compiling gasnet for loong64 has been failing in the Debian Package
Auto-Building environment.
The error log is as follows,
```
......
In file included from
/build/reproducible-path/gasnet-2025.8.0/gasnet_tools.h:91,
from
/build/reproducible-path/gasnet-2025.8.0/gasnet_tools.c:26:
/build/reproducible-path/gasnet-2025.8.0/gasnet_membar.h:232:3: error:
#error unknown CPU - dont know how to do a local memory barrier for your
CPU/OS
232 | #error unknown CPU - dont know how to do a local memory
barrier for your CPU/OS
| ^~~~~
In file included from
/build/reproducible-path/gasnet-2025.8.0/gasnet_tools.h:93:
/build/reproducible-path/gasnet-2025.8.0/gasnet_atomicops.h: In function
‘gasneti_genatomic32_set’:
/build/reproducible-path/gasnet-2025.8.0/gasnet_atomicops.h:99:81:
error: implicit declaration of function ‘gasneti_local_wmb’; did you
mean ‘gasneti_local_mb’? [-Wimplicit-function-declaration]
99 | if (f &
GASNETI_ATOMIC_WMB_PRE) gasneti_local_wmb();
|
^~~~~~~~~~~~~~~~~
......
```
After analyzing, we need to add loongarch64 support for gasnet.
Please consider the patch attached.
Based attached patch, I have built gasnet successfully on loong64.
```
dpkg-deb: building package 'libgasnet-dev' in
'../libgasnet-dev_2025.8.0-5.1_loong64.deb'.
dpkg-deb: building package 'gasnet' in '../gasnet_2025.8.0-5.1_loong64.deb'.
dpkg-deb: building package 'gasnet-dbgsym' in
'../gasnet-dbgsym_2025.8.0-5.1_loong64.deb'.
dpkg-genbuildinfo -O../gasnet_2025.8.0-5.1_loong64.buildinfo
dpkg-genchanges -O../gasnet_2025.8.0-5.1_loong64.changes
dpkg-genchanges: info: not including original source code in upload
dpkg-source --after-build .
dpkg-buildpackage: info: binary and diff upload (original source NOT
included)
signfile gasnet_2025.8.0-5.1.dsc
```
I was unable to locate where to submit a pull request upstream.
If someone knows where to submit the pull request, they can help
contribute the patch upstream.
Best regards,
Dandan Zhang
Description: <short summary of the patch>
.
gasnet (2025.8.0-5.1) unstable; urgency=medium
.
* Add basic loongarch64 support.
Author: Dandan Zhang <[email protected]>
---
Last-Update: 2026-04-01
--- gasnet-2025.8.0.orig/gasnet_atomic_fwd.h
+++ gasnet-2025.8.0/gasnet_atomic_fwd.h
@@ -61,6 +61,7 @@
(PLATFORM_COMPILER_XLC && GASNETI_HAVE_SYNC_ATOMICS_32) || \
(PLATFORM_ARCH_SPARC && PLATFORM_COMPILER_CLANG /* TODO: not using GCC ASM due to Bug 3805 */) || \
PLATFORM_ARCH_AARCH64 || \
+ PLATFORM_ARCH_LOONGARCH64 || \
PLATFORM_ARCH_S390 || \
PLATFORM_ARCH_TILE || \
PLATFORM_ARCH_RISCV
--- gasnet-2025.8.0.orig/gasnet_membar.h
+++ gasnet-2025.8.0/gasnet_membar.h
@@ -208,6 +208,16 @@
#endif
#define GASNETI_RMB_IS_MB
#define GASNETI_WMB_IS_MB
+#elif PLATFORM_ARCH_LOONGARCH64
+ #if PLATFORM_COMPILER_GNU
+ #define gasneti_local_mb() __sync_synchronize()
+ #define gasneti_local_wmb() gasneti_local_mb()
+ #define gasneti_local_rmb() gasneti_local_mb()
+ #else
+ #define GASNETI_USING_SLOW_MEMBARS 1
+ #endif
+ #define GASNETI_RMB_IS_MB
+ #define GASNETI_WMB_IS_MB
#elif PLATFORM_ARCH_S390
#if PLATFORM_COMPILER_GNU
#define gasneti_local_mb() __sync_synchronize()
--- gasnet-2025.8.0.orig/other/gasnet_portable_platform.h
+++ gasnet-2025.8.0/other/gasnet_portable_platform.h
@@ -1030,6 +1030,15 @@
#define _PLATFORM_ARCH_32 1
#endif
+#elif defined(__loongarch__)
+ #define PLATFORM_ARCH_LOONGARCH64 1
+ #define PLATFORM_ARCH_FAMILYNAME LOONGARCH64
+ #define _PLATFORM_ARCH_LITTLE_ENDIAN 1
+ #if defined(__loongarch_lp64)
+ #define _PLATFORM_ARCH_64 1
+ #else
+ #define _PLATFORM_ARCH_32 1
+ #endif
#elif defined(__s390__)
#define PLATFORM_ARCH_S390 1
#define PLATFORM_ARCH_FAMILYNAME S390
--- End Message ---
--- Begin Message ---
Source: gasnet
Source-Version: 2025.8.0-7
Done: Alastair McKinstry <[email protected]>
We believe that the bug you reported is fixed in the latest version of
gasnet, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Alastair McKinstry <[email protected]> (supplier of updated gasnet package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Sun, 12 Apr 2026 17:58:22 +0100
Source: gasnet
Architecture: source
Version: 2025.8.0-7
Distribution: unstable
Urgency: medium
Maintainer: Debian Science Maintainers
<[email protected]>
Changed-By: Alastair McKinstry <[email protected]>
Closes: 1132457
Changes:
gasnet (2025.8.0-7) unstable; urgency=medium
.
* Loong64 support from Dandan Zhang. Closes: #1132457
* libpmix-dev not available on 32-bit archs.
* Use clang on selected archs only
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