diff --git a/math/pdal/Makefile b/math/pdal/Makefile
index c012fa9d834a..9baf0aef3a2e 100644
--- a/math/pdal/Makefile
+++ b/math/pdal/Makefile
@@ -1,80 +1,78 @@
 PORTNAME=	pdal
 DISTVERSION=	2.8.4
-PORTREVISION=	8
+PORTREVISION=	9
 CATEGORIES=	math databases graphics
 MASTER_SITES=	https://github.com/PDAL/PDAL/releases/download/${DISTVERSION}/
 DISTNAME=	${PORTNAME}-${DISTVERSION}-src
 
 PATCH_SITES=	https://github.com/PDAL/PDAL/commit/
 PATCHFILES=	eb7220a2447c5b3d208d7ef0a76c61a17a5b21da.patch:-p1
 
 MAINTAINER=	lbartoletti@FreeBSD.org
 COMMENT=	Library for translating and manipulating point cloud data
 WWW=		https://www.pdal.io
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 BUILD_DEPENDS=	nlohmann-json>0:devel/nlohmann-json
 LIB_DEPENDS=	libgdal.so:graphics/gdal \
 		libgeos.so:graphics/geos \
 		libproj.so:graphics/proj \
 		libboost_thread.so:devel/boost-libs \
 		libcurl.so:ftp/curl \
 		libgeotiff.so:graphics/libgeotiff \
 		liblaszip.so:archivers/laszip \
 		libzstd.so:archivers/zstd \
 		${LIB_DEPENDS_${ARCH}}
 LIB_DEPENDS_aarch64=	libunwind.so:devel/libunwind
 LIB_DEPENDS_amd64=	libunwind.so:devel/libunwind
 LIB_DEPENDS_armv7=	libunwind.so:devel/libunwind
 LIB_DEPENDS_i386=	libunwind.so:devel/libunwind
 LIB_DEPENDS_powerpc64=	libunwind.so:devel/libunwind
 LIB_DEPENDS_powerpc64le=libunwind.so:devel/libunwind
 
 USES=		cmake compiler:c++11-lib gnome pathfix pkgconfig ssl tar:bz2
 USE_GNOME=	libxml2
 USE_LDCONFIG=	yes
 
 WRKSRC=		${WRKDIR}/${PORTNAME:tu}-${DISTVERSION}-src
 
 CMAKE_ON=	WITH_LASZIP #LASZIP is recommended
 CMAKE_OFF=	WITH_TESTS
 
 OPTIONS_DEFINE=	BASH \
 		ICEBRIDGE PGPOINTCLOUD LAZPERF MBIO \
 
 OPTIONS_DEFAULT=	BASH \
 			ICEBRIDGE PGPOINTCLOUD LAZPERF MBIO
 
 #Plugins with lib not in port:
 #RivLib, Matlab, MrSID, CPD, GeoWave, GreyHound, HexBin, NITF (nitro)
 OPTIONS_SUB=	yes
 
 BASH_DESC=		BASH completion
 ICEBRIDGE_DESC=		Enable Icebridge plugin
 LAZPERF_DESC=		Enable LAZPerf plugin
 MBIO_DESC=		Enable MBIO plugin
 PGPOINTCLOUD_DESC=	Enable Coherent PostgreSQL Point Cloud plugin
 
 BASH_CMAKE_BOOL=	WITH_COMPLETION
 BASH_RUN_DEPENDS=	bash:shells/bash
 
 ICEBRIDGE_CMAKE_BOOL=	BUILD_PLUGIN_ICEBRIDGE
 ICEBRIDGE_LIB_DEPENDS=	libhdf5.so:science/hdf5 \
 			libsz.so:science/libaec
 
 LAZPERF_CMAKE_BOOL=	WITH_LAZPERF
 LAZPERF_LIB_DEPENDS=	liblazperf.so:archivers/lazperf
 
 MBIO_CMAKE_BOOL=	BUILD_PLUGIN_MBIO
 
 PGPOINTCLOUD_CMAKE_BOOL=	BUILD_PLUGIN_PGPOINTCLOUD
 PGPOINTCLOUD_USES=	pgsql
 
-CXXFLAGS_powerpc64=	-mvsx
-
 pre-install-BASH-on:
 	${MKDIR} ${STAGEDIR}${PREFIX}/share/bash-completion/completions
 
 .include <bsd.port.mk>
diff --git a/math/pdal/files/patch-vendor_eigen_Eigen_Core b/math/pdal/files/patch-vendor_eigen_Eigen_Core
new file mode 100644
index 000000000000..c30973fb6011
--- /dev/null
+++ b/math/pdal/files/patch-vendor_eigen_Eigen_Core
@@ -0,0 +1,11 @@
+--- vendor/eigen/Eigen/Core.orig	2025-02-03 13:42:28 UTC
++++ vendor/eigen/Eigen/Core	2026-09-02 17:05:45 UTC
+@@ -346,7 +346,7 @@
+ #include "src/Core/CoreIterators.h"
+ #include "src/Core/ConditionEstimator.h"
+ 
+-#if defined(EIGEN_VECTORIZE_ALTIVEC) || defined(EIGEN_VECTORIZE_VSX)
++#if defined(EIGEN_VECTORIZE_VSX)
+   #include "src/Core/arch/AltiVec/MatrixProduct.h"
+ #elif defined EIGEN_VECTORIZE_NEON
+   #include "src/Core/arch/NEON/GeneralBlockPanelKernel.h"
diff --git a/math/pdal/files/patch-vendor_eigen_Eigen_src_Core_arch_AltiVec_MathFunctions.h b/math/pdal/files/patch-vendor_eigen_Eigen_src_Core_arch_AltiVec_MathFunctions.h
new file mode 100644
index 000000000000..db13a06c9ecf
--- /dev/null
+++ b/math/pdal/files/patch-vendor_eigen_Eigen_src_Core_arch_AltiVec_MathFunctions.h
@@ -0,0 +1,23 @@
+--- vendor/eigen/Eigen/src/Core/arch/AltiVec/MathFunctions.h.orig	2025-02-03 13:42:28 UTC
++++ vendor/eigen/Eigen/src/Core/arch/AltiVec/MathFunctions.h	2026-09-02 17:05:45 UTC
+@@ -76,6 +76,20 @@
+ }
+ #endif
+ 
++#ifndef __VSX__
++template<> EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED
++Packet4f psqrt<Packet4f>(const Packet4f& x)
++{
++  EIGEN_ALIGN16 float a[4];
++  pstore(a, x);
++  a[0] = numext::sqrt(a[0]);
++  a[1] = numext::sqrt(a[1]);
++  a[2] = numext::sqrt(a[2]);
++  a[3] = numext::sqrt(a[3]);
++  return pload<Packet4f>(a);
++}
++#endif
++
+ // Hyperbolic Tangent function.
+ template <>
+ EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED Packet4f
diff --git a/math/pdal/files/patch-vendor_eigen_Eigen_src_Core_arch_AltiVec_PacketMath.h b/math/pdal/files/patch-vendor_eigen_Eigen_src_Core_arch_AltiVec_PacketMath.h
new file mode 100644
index 000000000000..0a76543ce444
--- /dev/null
+++ b/math/pdal/files/patch-vendor_eigen_Eigen_src_Core_arch_AltiVec_PacketMath.h
@@ -0,0 +1,15 @@
+--- vendor/eigen/Eigen/src/Core/arch/AltiVec/PacketMath.h.orig	2025-02-03 13:42:28 UTC
++++ vendor/eigen/Eigen/src/Core/arch/AltiVec/PacketMath.h	2026-09-02 17:05:45 UTC
+@@ -1340,9 +1340,11 @@
+ template<> EIGEN_STRONG_INLINE Packet8bf psub<Packet8bf>(const Packet8bf& a, const Packet8bf& b) {
+   BF16_TO_F32_BINARY_OP_WRAPPER(psub<Packet4f>, a, b);
+ }
++
++template<> Packet4f psqrt<Packet4f>(const Packet4f& x);
+ 
+ template<> EIGEN_STRONG_INLINE Packet8bf psqrt<Packet8bf> (const Packet8bf& a){
+-  BF16_TO_F32_UNARY_OP_WRAPPER(vec_sqrt, a);
++  BF16_TO_F32_UNARY_OP_WRAPPER(psqrt<Packet4f>, a);
+ }
+ template<> EIGEN_STRONG_INLINE Packet8bf prsqrt<Packet8bf> (const Packet8bf& a){
+   BF16_TO_F32_UNARY_OP_WRAPPER(prsqrt<Packet4f>, a);