From 240ed42c6e8ce1a014912ea0b42b590c955ce284 Mon Sep 17 00:00:00 2001
From: Amin Yahyaabadi <aminyahyaabadi74@gmail.com>
Date: Tue, 29 Oct 2024 05:58:32 -0700
Subject: [PATCH] [open3d] fix finding of blas/lapack libraries

---
 ports/open3d/0002-blas.patch | 41 ++++++++++++++++++++++++++++++++++++
 ports/open3d/portfile.cmake  |  1 +
 ports/open3d/vcpkg.json      |  3 +--
 versions/o-/open3d.json      |  2 +-
 4 files changed, 44 insertions(+), 3 deletions(-)
 create mode 100644 ports/open3d/0002-blas.patch

diff --git a/ports/open3d/0002-blas.patch b/ports/open3d/0002-blas.patch
new file mode 100644
index 00000000000000..f95ebf1a2288f2
--- /dev/null
+++ b/ports/open3d/0002-blas.patch
@@ -0,0 +1,41 @@
+diff --git a/3rdparty/find_dependencies.cmake b/3rdparty/find_dependencies.cmake
+index d694621ad..a2b45e8ff 100644
+--- a/3rdparty/find_dependencies.cmake
++++ b/3rdparty/find_dependencies.cmake
+@@ -1597,11 +1597,29 @@ else(OPEN3D_USE_ONEAPI_PACKAGES)
+             find_package(LAPACKE)
+             if(BLAS_FOUND AND LAPACK_FOUND AND LAPACKE_FOUND)
+                 message(STATUS "System BLAS/LAPACK/LAPACKE found.")
+-                list(APPEND Open3D_3RDPARTY_PRIVATE_TARGETS_FROM_SYSTEM
+-                    ${BLAS_LIBRARIES}
+-                    ${LAPACK_LIBRARIES}
+-                    ${LAPACKE_LIBRARIES}
+-                )
++                if("${BLAS_LIBRARIES}" MATCHES ".*openblas.*")
++                    find_package(OpenBLAS)
++                    if(OpenBLAS_FOUND)
++                        list(APPEND Open3D_3RDPARTY_PRIVATE_TARGETS_FROM_SYSTEM OpenBLAS::OpenBLAS)
++                    endif()
++                endif()
++                if(NOT TARGET OpenBlas::OpenBLAS)
++                    if(TARGET BLAS::BLAS)
++                        list(APPEND Open3D_3RDPARTY_PRIVATE_TARGETS_FROM_SYSTEM BLAS::BLAS)
++                    else()
++                        list(APPEND Open3D_3RDPARTY_PRIVATE_TARGETS_FROM_SYSTEM ${BLAS_LIBRARIES})
++                    endif()
++                endif()
++                if(TARGET LAPACK::LAPACK)
++                    list(APPEND Open3D_3RDPARTY_PRIVATE_TARGETS_FROM_SYSTEM LAPACK::LAPACK)
++                else()
++                    list(APPEND Open3D_3RDPARTY_PRIVATE_TARGETS_FROM_SYSTEM ${LAPACK_LIBRARIES})
++                endif()
++                if(TARGET LAPACK::LAPACKE)
++                    list(APPEND Open3D_3RDPARTY_PRIVATE_TARGETS_FROM_SYSTEM LAPACK::LAPACKE)
++                else()
++                    list(APPEND Open3D_3RDPARTY_PRIVATE_TARGETS_FROM_SYSTEM ${LAPACKE_LIBRARIES})
++                endif()
+             else()
+                 message(STATUS "System BLAS/LAPACK/LAPACKE not found, setting USE_SYSTEM_BLAS=OFF.")
+                 set(USE_SYSTEM_BLAS OFF)
+--
+2.45.2
diff --git a/ports/open3d/portfile.cmake b/ports/open3d/portfile.cmake
index 8a2219edc72433..6cedc08b70c543 100644
--- a/ports/open3d/portfile.cmake
+++ b/ports/open3d/portfile.cmake
@@ -8,6 +8,7 @@ vcpkg_from_github(
     HEAD_REF master
     PATCHES
         0001-uvatlas.patch
+        0002-blas.patch
         0003-liblzf.patch
         0004-tiny_gltf.patch
         0005-jsoncpp.patch
diff --git a/ports/open3d/vcpkg.json b/ports/open3d/vcpkg.json
index 9144020771f3cb..ca8ff65744a66c 100644
--- a/ports/open3d/vcpkg.json
+++ b/ports/open3d/vcpkg.json
@@ -48,10 +48,9 @@
       ]
     },
     "blas": {
-      "description": "Use BLAS/LAPACK/LAPACKE instead of MKL",
+      "description": "Use BLAS, LAPACK, and LAPACKE",
       "dependencies": [
         "blas",
-        "lapack",
         {
           "name": "lapack-reference",
           "features": [
diff --git a/versions/o-/open3d.json b/versions/o-/open3d.json
index 8d7e1e93551d99..477b1dff468a34 100644
--- a/versions/o-/open3d.json
+++ b/versions/o-/open3d.json
@@ -1,7 +1,7 @@
 {
   "versions": [
     {
-      "git-tree": "d9454d03d3c0f08fbd18f29cc4715b031f824bd9",
+      "git-tree": "91ea7e67e84d7a715f9945b103b5f8f47ee04563",
       "version-semver": "0.18.0",
       "port-version": 0
     }