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.ci-dockerfiles/x86-64-unknown-linux-musl-builder/Dockerfile

@@ -16,7 +16,7 @@ RUN apk update \
   curl \
   py3-pip \
   gdb \
-&& pip install --use-pep517 cloudsmith-cli
+&& pip install cloudsmith-cli
 
 # add user pony in order to not run tests as root
 RUN adduser -D -u 1001 -s /bin/sh -h /home/pony -g root pony

.release-notes/next-release.md

@@ -1,3 +1,13 @@
+## Update Pony musl Docker images to Alpine 3.18
+
+We've updated our `ponylang/ponyc:latest-alpine`, `ponylang/ponyc:release-alpine`, and `ponylang/ponyc:x.y.z-alpine` images to be based on Alpine 3.18. Previously, we were using Alpine 3.16 as the base.
+
+## Drop support for Alpine versions prior to 3.17
+
+We've dropped support for Alpine versions prior to 3.17. The ponyc compiler that we supply will not work on earlier Alpine versions. If you need to use on 3.16 or earlier, you'll need to patch the compiler and build from source.
+
+The change is relatively straightforward and can be reverse engineered from the [pull request that dropped 3.16 support](https://github.com/ponylang/ponyc/pull/4407).
+
 ## FreeBSD is no longer a supported platform
 
 We no longer have access to hardware that we can test FreeBSD on as part of our regular Continous Integration and Release cycles. As such, we are removing FreeBSD as a supported platform. We will make best effort attempts to not break FreeBSD, however, it is likely to fall behind and need maintenance from interested community members.

BUILD.md

@@ -64,8 +64,7 @@ Additional Requirements:
 
 Distribution | Requires
 --- | ---
-Alpine pre-3.17 | binutils-gold, clang, clang-dev, cmake, libexecinfo-dev, libexecinfo-static, make
-Alpine 3.17 and later| binutils-gold, clang, clang-dev, cmake, make
+Alpine 3.17+ | binutils-gold, clang, clang-dev, cmake, make
 CentOS 8 | clang, cmake, diffutils, libatomic, libstdc++-static, make, zlib-devel
 Fedora | clang, cmake, libatomic, libstdc++-static, make
 OpenSuse Leap | binutils-gold, cmake

CHANGELOG.md

@@ -13,6 +13,8 @@ All notable changes to the Pony compiler and standard library will be documented
 
 ### Changed
 
+- Drop support for Alpine versions prior to 3.17 ([PR #4407](https://github.com/ponylang/ponyc/pull/4407))
+- Update Pony musl Docker images to Alpine 3.18 ([PR #4407](https://github.com/ponylang/ponyc/pull/4407))
 - Drop FreeBSD as a supported platform ([PR #4382](https://github.com/ponylang/ponyc/pull/4382))
 - Drop macOS on Apple Silicon as a fully supported platform ([PR #4403](https://github.com/ponylang/ponyc/pull/4403))
 

INSTALL.md

@@ -24,6 +24,10 @@ Currently, we have packages for the following Glibc based distributions:
 - Pop!_OS 20.04, 22.04
 - Ubuntu 20.04, 22.04
 
+### Supported Alpine versions
+
+Starting with Pony version 0.56.0, only Alpine 3.17 and later are supported. Pomyup will happily 0.56.0 on Alpine 3.16, but you won't be able to link programs. By the same token, installing version of Pony prior to 0.56.0 on Alpine 3.17 will also fail to link.
+
 ### Manually selecting your Linux platform
 
 To manually set your platform if ponyup is unable to identify it: