From e1915f54f1db1208152148973e9965570972bbc7 Mon Sep 17 00:00:00 2001 From: Peter Kjellerstedt Date: Tue, 14 Oct 2025 02:04:12 +0200 Subject: [PATCH] libeigen: Backport a patch to make eigen_packet_wrapper trivial for c++11 A corresponding patch was removed with the upgrade to 3.4.1 since it had been integrated upstream. However, it had also been reverted again, which was not noticed. This backports a subsequent fix for the problem. Signed-off-by: Peter Kjellerstedt Signed-off-by: Khem Raj --- ...igen_packet_wrapper-trivial-for-c-11.patch | 26 +++++++++++++++++++ .../libeigen/libeigen_3.4.1.bb | 2 +- 2 files changed, 27 insertions(+), 1 deletion(-) create mode 100644 meta-oe/recipes-support/libeigen/libeigen/0001-Make-eigen_packet_wrapper-trivial-for-c-11.patch diff --git a/meta-oe/recipes-support/libeigen/libeigen/0001-Make-eigen_packet_wrapper-trivial-for-c-11.patch b/meta-oe/recipes-support/libeigen/libeigen/0001-Make-eigen_packet_wrapper-trivial-for-c-11.patch new file mode 100644 index 0000000000..855bf01ae9 --- /dev/null +++ b/meta-oe/recipes-support/libeigen/libeigen/0001-Make-eigen_packet_wrapper-trivial-for-c-11.patch @@ -0,0 +1,26 @@ +From 0295f81a835ef69e2bacd9e75ab5782eca398720 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Antonio=20S=C3=A1nchez?= +Date: Thu, 2 Oct 2025 17:53:19 +0000 +Subject: [PATCH] Make `eigen_packet_wrapper` trivial for c++11. + +Upstream-Status: Backport [https://gitlab.com/libeigen/eigen/-/commit/0295f81a835ef69e2bacd9e75ab5782eca398720] +--- + Eigen/src/Core/GenericPacketMath.h | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/Eigen/src/Core/GenericPacketMath.h b/Eigen/src/Core/GenericPacketMath.h +index af45f3936..4aeb77de8 100644 +--- a/Eigen/src/Core/GenericPacketMath.h ++++ b/Eigen/src/Core/GenericPacketMath.h +@@ -160,7 +160,11 @@ struct eigen_packet_wrapper + { + EIGEN_ALWAYS_INLINE operator T&() { return m_val; } + EIGEN_ALWAYS_INLINE operator const T&() const { return m_val; } ++#if EIGEN_HAS_CXX11 ++ EIGEN_ALWAYS_INLINE eigen_packet_wrapper() = default; ++#else + EIGEN_ALWAYS_INLINE eigen_packet_wrapper() {}; ++#endif + EIGEN_ALWAYS_INLINE eigen_packet_wrapper(const T &v) : m_val(v) {} + EIGEN_ALWAYS_INLINE eigen_packet_wrapper& operator=(const T &v) { + m_val = v; diff --git a/meta-oe/recipes-support/libeigen/libeigen_3.4.1.bb b/meta-oe/recipes-support/libeigen/libeigen_3.4.1.bb index c5421e4621..5cb7407608 100644 --- a/meta-oe/recipes-support/libeigen/libeigen_3.4.1.bb +++ b/meta-oe/recipes-support/libeigen/libeigen_3.4.1.bb @@ -14,11 +14,11 @@ LIC_FILES_CHKSUM = "file://COPYING.MPL2;md5=815ca599c9df247a0c7f619bab123dad \ SRC_URI = "git://gitlab.com/libeigen/eigen.git;protocol=http;branch=3.4 \ file://0001-Remove-LGPL-Code-and-references.patch \ + file://0001-Make-eigen_packet_wrapper-trivial-for-c-11.patch \ " SRCREV = "d71c30c47858effcbd39967097a2d99ee48db464" - inherit cmake PACKAGECONFIG ??= ""