package/openblas: fix build

Fix the following build failure raised since bump to version 0.3.27 in
commit 59b48b5cff:

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

Fixes: 59b48b5cff
 - http://autobuild.buildroot.org/results/52acc2d95bbc07155b9d446ab8625f9c9eb81b52

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>

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
+ 
+ 
+