From 5fedf828ee2b985351747c8f6485475e033074b9 Mon Sep 17 00:00:00 2001
From: Andrey Senyaev <76472231+asenyaev@users.noreply.github.com>
Date: Tue, 21 Sep 2021 12:19:00 +0300
Subject: [PATCH 1/4] Added the lapack installation

---
 travis_config.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/travis_config.sh b/travis_config.sh
index a83fe141..7026a021 100644
--- a/travis_config.sh
+++ b/travis_config.sh
@@ -26,6 +26,13 @@ function bdist_wheel_cmd {
     if [ -n "$USE_CCACHE" -a -z "$BREW_BOOTSTRAP_MODE" ]; then ccache -s; fi
 }
 
+if [ -n "$IS_OSX" ]; then
+  brew install lapack
+else
+  yum install -y atlas-devel blas-devel lapack-devel
+  cp /usr/include/lapacke/lapacke*.h /usr/include/
+fi
+
 if [ -n "$IS_OSX" ]; then
   echo "    > OSX environment "
   export MAKEFLAGS="-j$(sysctl -n hw.ncpu)"

From 3c1ea4402db35fa51c6804db7424bd30d561a51c Mon Sep 17 00:00:00 2001
From: Andrey Senyaev <andrey.senyaev@xperience.ai>
Date: Fri, 1 Oct 2021 11:35:33 +0300
Subject: [PATCH 2/4] Changed blas to openblas and fixed flow to a proper
 installation

---
 scripts/build.sh |  1 +
 travis_config.sh | 15 ++++++++-------
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/scripts/build.sh b/scripts/build.sh
index f48ca066..aa9ff968 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -15,3 +15,4 @@ echo $ENABLE_CONTRIB > contrib.enabled
 echo $ENABLE_HEADLESS > headless.enabled
 set -x
 build_wheel $REPO_DIR $PLAT
+rm wheelhouse/numpy*
diff --git a/travis_config.sh b/travis_config.sh
index 7026a021..28fbb96f 100644
--- a/travis_config.sh
+++ b/travis_config.sh
@@ -26,13 +26,6 @@ function bdist_wheel_cmd {
     if [ -n "$USE_CCACHE" -a -z "$BREW_BOOTSTRAP_MODE" ]; then ccache -s; fi
 }
 
-if [ -n "$IS_OSX" ]; then
-  brew install lapack
-else
-  yum install -y atlas-devel blas-devel lapack-devel
-  cp /usr/include/lapacke/lapacke*.h /usr/include/
-fi
-
 if [ -n "$IS_OSX" ]; then
   echo "    > OSX environment "
   export MAKEFLAGS="-j$(sysctl -n hw.ncpu)"
@@ -99,6 +92,14 @@ function pre_build {
   echo "Starting pre-build"
   set -e -o pipefail
 
+  if [ -n "$IS_OSX" ]; then
+    brew install lapack
+  else
+    yum install -y lapack-devel openblas-devel
+    cp /usr/include/lapacke/lapacke*.h /usr/include/
+    curl https://raw.githubusercontent.com/xianyi/OpenBLAS/v0.3.3/cblas.h -o /usr/include/cblas.h
+  fi
+
   if [ -n "$IS_OSX" ]; then
     echo "Running for OSX"
 

From 40e0e3b8c235386c003f8ea5d0a9d9ea968a06cd Mon Sep 17 00:00:00 2001
From: Andrey Senyaev <andrey.senyaev@xperience.ai>
Date: Fri, 1 Oct 2021 13:51:43 +0300
Subject: [PATCH 3/4] Fixed aarch64 openblas installation

---
 travis_config.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/travis_config.sh b/travis_config.sh
index 28fbb96f..a387966c 100644
--- a/travis_config.sh
+++ b/travis_config.sh
@@ -95,7 +95,8 @@ function pre_build {
   if [ -n "$IS_OSX" ]; then
     brew install lapack
   else
-    yum install -y lapack-devel openblas-devel
+    # epel-release need for aarch64 to get openblas packages
+    yum install -y lapack-devel epel-release && yum install -y openblas-devel
     cp /usr/include/lapacke/lapacke*.h /usr/include/
     curl https://raw.githubusercontent.com/xianyi/OpenBLAS/v0.3.3/cblas.h -o /usr/include/cblas.h
   fi

From 1d6e03459e32a5effd27b7b86186b418f2bde437 Mon Sep 17 00:00:00 2001
From: Andrey Senyaev <andrey.senyaev@xperience.ai>
Date: Fri, 1 Oct 2021 19:11:37 +0300
Subject: [PATCH 4/4] Fixed an issue when machine:X86 was defined on Windows
 x64

---
 setup.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/setup.py b/setup.py
index 612a080c..22b6561d 100644
--- a/setup.py
+++ b/setup.py
@@ -151,6 +151,12 @@ def main():
             "-DBUILD_PERF_TESTS=OFF",
             "-DBUILD_DOCS=OFF",
         ]
+        + (
+            # If it is not defined 'linker flags: /machine:X86' on Windows x64
+            ["-DCMAKE_GENERATOR_PLATFORM=x64"]
+            if x64 and sys.platform == "win32"
+            else []
+          )
         + (
             ["-DOPENCV_EXTRA_MODULES_PATH=" + os.path.abspath("opencv_contrib/modules")]
             if build_contrib