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* [Buildroot] [PATCH 1/1] package/openblas: fix build
@ 2026-03-22  9:07 Bernd Kuhls
  2026-03-23 20:17 ` Julien Olivain via buildroot
  0 siblings, 1 reply; 4+ messages in thread
From: Bernd Kuhls @ 2026-03-22  9:07 UTC (permalink / raw)
  To: buildroot; +Cc: Julien Olivain

Buildroot commit b08ac7636dc7b2753592989dc5fe73959e0f6507 bumped the
package to version 0.3.31 and introduced a build error

linktest.c:(.text.startup+0x6f4):
 undefined reference to `openblas_set_threads_callback_function'

which according to https://github.com/OpenMathLib/OpenBLAS/issues/5607
was introduced by upstream commit
https://github.com/OpenMathLib/OpenBLAS/commit/879497990f42e6dcfa370bcbf478cc5674158336
that was first included in version 0.3.31.

This patch adds another upstream commit to fix the problem.

Fixes:
https://autobuild.buildroot.net/results/7d8/7d80a912ddda01acd109786641df02ad826399f6/

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
---
 ...allback-replacement-hook-in-singleth.patch | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 package/openblas/0002-Include-thread-callback-replacement-hook-in-singleth.patch

diff --git a/package/openblas/0002-Include-thread-callback-replacement-hook-in-singleth.patch b/package/openblas/0002-Include-thread-callback-replacement-hook-in-singleth.patch
new file mode 100644
index 0000000000..7ea199fb2e
--- /dev/null
+++ b/package/openblas/0002-Include-thread-callback-replacement-hook-in-singleth.patch
@@ -0,0 +1,53 @@
+From 874243421298866d116e1e8bdbd7e0ed4e31e4f6 Mon Sep 17 00:00:00 2001
+From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
+Date: Sun, 18 Jan 2026 19:55:40 +0100
+Subject: [PATCH] Include thread callback replacement hook in singlethreaded
+ builds as well
+
+Upstream: https://github.com/OpenMathLib/OpenBLAS/commit/874243421298866d116e1e8bdbd7e0ed4e31e4f6
+
+Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
+---
+ driver/others/CMakeLists.txt | 2 +-
+ driver/others/Makefile       | 4 ++--
+ 2 files changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/driver/others/CMakeLists.txt b/driver/others/CMakeLists.txt
+index a07a0baf99..72abdc4ee4 100644
+--- a/driver/others/CMakeLists.txt
++++ b/driver/others/CMakeLists.txt
+@@ -27,7 +27,6 @@ if (USE_THREAD)
+     ${BLAS_SERVER}
+     divtable.c # TODO: Makefile has -UDOUBLE
+     blas_l1_thread.c
+-    blas_server_callback.c
+   )
+ 
+   if (NOT NO_AFFINITY)
+@@ -42,6 +41,7 @@ set(COMMON_SOURCES
+   openblas_env.c
+   openblas_get_num_procs.c
+   openblas_get_num_threads.c
++  blas_server_callback.c
+ )
+ 
+ # these need to have NAME/CNAME set, so use GenerateNamedObjects, but don't use standard name mangling
+diff --git a/driver/others/Makefile b/driver/others/Makefile
+index 719d617c45..fbd016e6b0 100644
+--- a/driver/others/Makefile
++++ b/driver/others/Makefile
+@@ -1,12 +1,12 @@
+ TOPDIR	= ../..
+ include ../../Makefile.system
+ 
+-COMMONOBJS	 = memory.$(SUFFIX) xerbla.$(SUFFIX) c_abs.$(SUFFIX) z_abs.$(SUFFIX) openblas_set_num_threads.$(SUFFIX) openblas_get_num_threads.$(SUFFIX) openblas_get_num_procs.$(SUFFIX) openblas_get_config.$(SUFFIX) openblas_get_parallel.$(SUFFIX) openblas_error_handle.$(SUFFIX) openblas_env.$(SUFFIX)
++COMMONOBJS	 = memory.$(SUFFIX) xerbla.$(SUFFIX) c_abs.$(SUFFIX) z_abs.$(SUFFIX) openblas_set_num_threads.$(SUFFIX) openblas_get_num_threads.$(SUFFIX) openblas_get_num_procs.$(SUFFIX) openblas_get_config.$(SUFFIX) openblas_get_parallel.$(SUFFIX) openblas_error_handle.$(SUFFIX) openblas_env.$(SUFFIX) blas_server_callback.$(SUFFIX)
+ 
+ #COMMONOBJS	+= slamch.$(SUFFIX) slamc3.$(SUFFIX) dlamch.$(SUFFIX)  dlamc3.$(SUFFIX)
+ 
+ ifdef SMP
+-COMMONOBJS	+= blas_server.$(SUFFIX) divtable.$(SUFFIX) blasL1thread.$(SUFFIX) blas_server_callback.$(SUFFIX)
++COMMONOBJS	+= blas_server.$(SUFFIX) divtable.$(SUFFIX) blasL1thread.$(SUFFIX)
+ ifneq ($(NO_AFFINITY), 1)
+ COMMONOBJS	+= init.$(SUFFIX)
+ endif
-- 
2.47.3

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* [Buildroot] [PATCH 1/1] package/openblas: fix build
@ 2024-04-07 15:34 Fabrice Fontaine
  2024-04-07 19:35 ` Arnout Vandecappelle via buildroot
  0 siblings, 1 reply; 4+ messages in thread
From: Fabrice Fontaine @ 2024-04-07 15:34 UTC (permalink / raw)
  To: buildroot; +Cc: Julien Olivain, Fabrice Fontaine

Fix the following build failure raised since bump to version 0.3.27 in
commit 59b48b5cff057f2429b1143d6f50c39d93ca8ef3:

/bin/sh: ./xccblat3_3m: No such file or directory

Fixes: 59b48b5cff057f2429b1143d6f50c39d93ca8ef3
 - http://autobuild.buildroot.org/results/52acc2d95bbc07155b9d446ab8625f9c9eb81b52

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
---
 ...-should-not-be-run-in-cross-compiles.patch | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 package/openblas/0002-fix-position-of-endif-gemm3m-tests-should-not-be-run-in-cross-compiles.patch

diff --git a/package/openblas/0002-fix-position-of-endif-gemm3m-tests-should-not-be-run-in-cross-compiles.patch b/package/openblas/0002-fix-position-of-endif-gemm3m-tests-should-not-be-run-in-cross-compiles.patch
new file mode 100644
index 0000000000..44883b2c26
--- /dev/null
+++ b/package/openblas/0002-fix-position-of-endif-gemm3m-tests-should-not-be-run-in-cross-compiles.patch
@@ -0,0 +1,33 @@
+From 48e017de095018c60d83355804a3075658b4970c Mon Sep 17 00:00:00 2001
+From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
+Date: Fri, 5 Apr 2024 22:54:34 +0200
+Subject: [PATCH] fix position of endif - gemm3m tests should not be run in
+ cross-compiles
+
+Upstream: https://github.com/OpenMathLib/OpenBLAS/commit/48e017de095018c60d83355804a3075658b4970c
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+---
+ ctest/Makefile | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/ctest/Makefile b/ctest/Makefile
+index bbaf96f8ed..6c7cc1ed56 100644
+--- a/ctest/Makefile
++++ b/ctest/Makefile
+@@ -203,7 +203,6 @@ ifeq ($(BUILD_COMPLEX16),1)
+ 	OPENBLAS_NUM_THREADS=2 ./xzcblat3 < zin3
+ endif
+ endif
+-endif
+ 
+ ifeq ($(SUPPORT_GEMM3M),1)
+ ifeq ($(USE_OPENMP), 1)
+@@ -222,7 +221,7 @@ ifeq ($(BUILD_COMPLEX16),1)
+ endif
+ endif
+ endif
+-
++endif
+ 
+ 
+ 
-- 
2.43.0

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2026-03-22  9:07 [Buildroot] [PATCH 1/1] package/openblas: fix build Bernd Kuhls
2026-03-23 20:17 ` Julien Olivain via buildroot
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2024-04-07 15:34 Fabrice Fontaine
2024-04-07 19:35 ` Arnout Vandecappelle via buildroot

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