Add GHC 9.12 to CI

Author: martijnbastiaan

.ci/docker/build-and-publish-docker-image.sh

@@ -14,8 +14,8 @@ elif [[ "$1" != "" ]]; then
   exit 1
 fi
 UBUNTU_VERSION=jammy-20250126
-GHC_VERSIONS=("9.10.2" "9.8.4"  "9.6.7"  "9.4.8"  "9.2.8"   "9.0.2"   "8.10.7")
-CABAL_VERSIONS=("3.14.1.1" "3.14.1.1" "3.14.1.1" "3.14.1.1" "3.14.1.1" "3.14.1.1" "3.12.1.0")
+GHC_VERSIONS=("9.12.2"  "9.10.2" "9.8.4"  "9.6.7"  "9.4.8"  "9.2.8"   "9.0.2"   "8.10.7")
+CABAL_VERSIONS=("3.14.2.0"  "3.14.1.1" "3.14.1.1" "3.14.1.1" "3.14.1.1" "3.14.1.1" "3.14.1.1" "3.12.1.0")
 
 # We want to use docker buildkit so that our layers are built in parallel. This
 # is ignored completely on versions of docker which don't support buildkit.

.ci/gitlab/benchmark.yml

@@ -1,5 +1,5 @@
 .benchmark:
-  image: ghcr.io/clash-lang/clash-ci:$GHC_VERSION-20250719
+  image: ghcr.io/clash-lang/clash-ci:$GHC_VERSION-20250928
   stage: test
   timeout: 2 hours
   variables:

.ci/gitlab/common.yml

@@ -12,8 +12,8 @@ default:
   timeout: 10 minutes
   stage: build
   variables:
-    CLASH_DOCKER_TAG: 20250719
-    CACHE_BUST_TOKEN: 3
+    CLASH_DOCKER_TAG: 20250928
+    CACHE_BUST_TOKEN: 4
     # Note that we copy+paste the image name into CACHE_FALLBACK_KEY. If we don't,
     # $GHC_VERSION gets inserted at verbatim, instead of resolving to some ghc version.
     CACHE_FALLBACK_KEY: $CI_JOB_NAME-master-ghcr.io/clash-lang/clash-ci:$GHC_VERSION-$CLASH_DOCKER_TAG-$CACHE_BUST_TOKEN-3-non_protected

.ci/stack-9.12.yaml

@@ -0,0 +1,16 @@
+resolver: nightly-2025-09-28
+
+ghc-options:
+  "$locals": -Wall -Wcompat
+
+packages:
+- clash-prelude
+- clash-prelude-hedgehog
+- clash-lib
+- clash-lib-hedgehog
+- clash-ghc
+- tests
+
+extra-deps:
+  - QuickCheck-2.15.0.1@sha256:0cfd337bb9e6fbf09255bd24bb498a156f1d9bcd465396ac8657b25034b9ee31,9046
+  - tasty-flaky-0.1.2.0@sha256:2f91ab9f55ae0c472474087f98bb54076aca18f8b058343479d24597a3aa181b,1858

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["macOS-13", "windows-latest"]
-        ghc: ["8.10", "9.0", "9.2", "9.4", "9.6", "9.8", "9.10"]
+        ghc: ["8.10", "9.0", "9.2", "9.4", "9.6", "9.8", "9.10", "9.12"]
         exclude:
           # Some tests fail with a mysterious -11 error code.
           - os: "macOS-13"
@@ -159,7 +159,7 @@ jobs:
 
     # Run steps inside the clash CI docker image
     container:
-      image: ghcr.io/clash-lang/clash-ci:${{ matrix.ghc }}-20250719
+      image: ghcr.io/clash-lang/clash-ci:${{ matrix.ghc }}-20250928
 
       env:
         THREADS: 2

.gitlab-ci.yml

@@ -34,15 +34,27 @@ tests:
     CI_PARENT_PIPELINE_SOURCE: $CI_PIPELINE_SOURCE
   parallel:
     matrix:
+<<<<<<< HEAD
       - GHC_VERSION: 9.10.2
         # TODO: remove this when https://gitlab.haskell.org/ghc/ghc/-/merge_requests/12264#note_602406
         # is fixed
         SKIP_CLASH_FFI_EXAMPLE: "yes"
+||||||| parent of 56dd077f5 (Add GHC 9.12 to CI)
+      - GHC_VERSION: 9.10.1
+=======
+      - GHC_VERSION: 9.12.2
+>>>>>>> 56dd077f5 (Add GHC 9.12 to CI)
         RUN_TESTS: "always"
+        # TODO: remove this when https://gitlab.haskell.org/ghc/ghc/-/merge_requests/12264#note_602406
+        # has landed in stable release
+        SKIP_CLASH_FFI_EXAMPLE: "yes"
+
+      - GHC_VERSION: 9.10.1
+        RUN_TESTS: "nightly"
 
       - GHC_VERSION: 9.8.4
         # TODO: remove this when https://gitlab.haskell.org/ghc/ghc/-/merge_requests/12264#note_602406
-        # is fixed
+        # has landed in stable release
         SKIP_CLASH_FFI_EXAMPLE: "yes"
         RUN_TESTS: "always"
 

changelog/2025-04-20T23_25_06+02_00_add_ghc912_support

@@ -0,0 +1 @@
+ADD: Added GHC 9.12 support