testing/pcl: upgrade to 1.12.1

PR to upgrade PCL to v1.12.1 release Dec 21, 2021

The Point Cloud Library (PCL): https://pointclouds.org/

• pkgver from 8.1 to 1.12.1
• pkgrel set to 0
• URL updated to https://pointclouds.org/
• makedepends includes VTK-9.1 and Ninja
• enabled libusb, pcap, png, Qhull, and Qt support

Note

There is a bug in the latest PCL release regarding the compilation status without setting -DCMAKE_CXX_FLAGS=""

Bug

Fixs

-DCMAKE_CXX_FLAGS="" \
-DPCL_ENABLE_MARCHNATIVE=OFF \
-DHAVE_MM_MALLOC=ON \
-DHAVE_POSIX_MEMALIGN=ON

• Thread: #!36503 (comment 248289)