[postgis-devel] Proposal: drop support for libproj < 6.1 in PostGIS 3.3.0

[Justin Pryzby]

On Fri, Feb 11, 2022 at 04:28:08PM -0800, Paul Ramsey wrote:
> This is kind of the place I feel blind. Like what are the extant proj versions at Ubunto 20, 18, 16... ?

https://packages.ubuntu.com/libproj-dev

bionic (18.04LTS) (libdevel): Cartographic projection library (development files) [universe]
4.9.3-2: amd64 arm64 armhf i386 ppc64el s390x

focal (20.04LTS) (libdevel): Cartographic projection library (development files) [universe]
6.3.1-1: amd64 arm64 armhf ppc64el s390x

hirsute (21.04) (libdevel): Cartographic projection library (development files) [universe]
7.2.1-1: amd64 arm64 armhf ppc64el s390x

impish (21.10) (libdevel): Cartographic projection library (development files) [universe]
7.2.1-1: amd64 arm64 armhf ppc64el s390x

jammy (libdevel): Cartographic projection library (development files) [universe]
8.2.1-1: amd64 arm64 armhf ppc64el s390x