Preparation to add support for GHC versions newer than 9.2

.github/workflows/ci.yml

@@ -0,0 +1,55 @@
+name: Continuous Integration
+
+on:
+  push:
+
+jobs:
+  continuous-integration:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ghc-version:
+          - "8.10.7"
+          - "9.0.2"
+          - "9.2.8"
+          - "9.4.8"
+          - "9.6.6"
+          - "9.8.2"
+          - "9.10.1"
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install cabal/ghc
+      uses: haskell-actions/setup@v2
+      id: setup-haskell
+      with:
+        ghc-version: ${{ matrix.ghc-version }}
+        cabal-version: '3.10.3.0'
+
+    - name: Generate freeze file
+      run: |
+        cabal update
+        cabal configure --disable-optimization --enable-tests
+        cabal freeze
+    
+    - name: Cache cabal work
+      uses: actions/cache@v4
+      with:
+        path: |
+          dist-newstyle
+          ${{ steps.setup-haskell.outputs.cabal-store }}
+        key: ${{ runner.os }}-${{ hashFiles('cabal.project.freeze', 'cabal.project.local') }}-cabal-install
+
+    - name: Build dependencies
+      run: |
+        cabal build all --only-dependencies
+    
+    - name: Build packages
+      run: |
+        cabal build all
+        
+    - name: Run tests
+      run: |
+        cabal test all

.gitignore

@@ -1,2 +1,24 @@
 .stack-work
 /stack.yaml
+dist
+dist-*
+cabal-dev
+*.o
+*.hi
+*.hie
+*.chi
+*.chs.h
+*.dyn_o
+*.dyn_hi
+.hpc
+.hsenv
+.cabal-sandbox/
+cabal.sandbox.config
+*.prof
+*.aux
+*.hp
+*.eventlog
+cabal.project.local
+cabal.project.local~
+.HTF/
+.ghc.environment.*

cabal.project

@@ -0,0 +1,22 @@
+packages: repa/repa.cabal
+          repa-algorithms/repa-algorithms.cabal
+          repa-examples/repa-examples.cabal
+          repa-io/repa-io.cabal
+
+       -- Packages below are ignored until they can be updated
+       -- to support newer GHCs
+       -- repa-convert/repa-convert.cabal
+       -- repa-eval/repa-eval.cabal
+       -- repa-scalar/repa-scalar.cabal
+       -- repa-stream/repa-stream.cabal
+
+       -- We ignore some packages which depend on repa-array rather than repa
+       -- repa-array/repa-array.cabal
+       -- repa-flow/repa-flow.cabal
+       -- repa-query/repa-query.cabal
+       -- repa-tools/repa-tools.cabal
+       -- repa-store/repa-store.cabal
+       -- repa-machine/repa-machine.cabal
+
+
+minimize-conflict-set: true

repa-algorithms/repa-algorithms.cabal

@@ -20,7 +20,7 @@ Library
   Build-Depends:
         base                 >= 4.8 && < 5
       , vector               >= 0.11 && < 0.13
-      , repa                 == 3.4.1.*
+      , repa                 >= 3.4 && <3.5
 
   ghc-options:
         -Wall

repa-examples/repa-examples.cabal

@@ -25,9 +25,9 @@ Flag llvm
 
 Executable repa-canny
   Build-depends:
-        base                 >= 4.8 && < 4.15
-      , repa                 == 3.4.1.*
-      , repa-algorithms      == 3.4.1.*
+        base                 >= 4.8 && < 4.17
+      , repa                 >= 3.4 && < 3.5
+      , repa-algorithms      >= 3.4 && < 3.5
 
   Main-is: examples/Canny/src-repa/Main.hs
   hs-source-dirs: examples/Canny/src-repa .
@@ -46,11 +46,11 @@ Executable repa-canny
 
 Executable repa-mmult
   Build-depends:
-        base                 >= 4.8 && < 4.15
+        base                 >= 4.8 && < 4.17
       , random               == 1.1.*
-      , repa                 == 3.4.1.*
-      , repa-algorithms      == 3.4.1.*
-      , repa-io              == 3.4.1.*
+      , repa                 >= 3.4 && < 3.5
+      , repa-algorithms      >= 3.4 && < 3.5
+      , repa-io              >= 3.4 && < 3.5
 
   Main-is: examples/MMult/src-repa/Main.hs
   other-modules: Solver
@@ -72,9 +72,9 @@ Executable repa-mmult
 
 Executable repa-laplace
   Build-depends:
-        base                 >= 4.8 && < 4.15
-      , repa                 == 3.4.1.*
-      , repa-io              == 3.4.1.*
+        base                 >= 4.8 && < 4.17
+      , repa                 >= 3.4 && < 3.5
+      , repa-io              >= 3.4 && < 3.5
       , template-haskell
 
   Main-is: examples/Laplace/src-repa/Main.hs
@@ -95,10 +95,10 @@ Executable repa-laplace
 
 Executable repa-fft2d
   Build-depends:
-        base                 >= 4.8 && < 4.15
-      , repa                 == 3.4.1.*
-      , repa-algorithms      == 3.4.1.*
-      , repa-io              == 3.4.1.*
+        base                 >= 4.8 && < 4.17
+      , repa                 >= 3.4 && < 3.5
+      , repa-algorithms      >= 3.4 && < 3.5
+      , repa-io              >= 3.4 && < 3.5
 
   Main-is: examples/FFT/FFT2d/src-repa/Main.hs
   hs-source-dirs: examples/FFT/FFT2d/src-repa .
@@ -119,10 +119,10 @@ Executable repa-fft2d
 
 Executable repa-fft2d-highpass
   Build-depends:
-        base                 >= 4.8 && < 4.15
-      , repa                 == 3.4.1.*
-      , repa-algorithms      == 3.4.1.*
-      , repa-io              == 3.4.1.*
+        base                 >= 4.8 && < 4.17
+      , repa                 >= 3.4 && < 3.5
+      , repa-algorithms      >= 3.4 && < 3.5
+      , repa-io              >= 3.4 && < 3.5
 
   Main-is: examples/FFT/HighPass2d/src-repa/Main.hs
   hs-source-dirs: examples/FFT/HighPass2d/src-repa .
@@ -143,9 +143,9 @@ Executable repa-fft2d-highpass
 
 Executable repa-fft3d-highpass
   Build-depends:
-        base                 >= 4.8 && < 4.15
-      , repa                 == 3.4.1.*
-      , repa-algorithms      == 3.4.1.*
+        base                 >= 4.8 && < 4.17
+      , repa                 >= 3.4 && < 3.5
+      , repa-algorithms      >= 3.4 && < 3.5
 
   Main-is: examples/FFT/HighPass3d/src-repa/Main.hs
   hs-source-dirs: examples/FFT/HighPass3d/src-repa .
@@ -166,9 +166,9 @@ Executable repa-fft3d-highpass
 
 Executable repa-blur
   Build-depends:
-        base                 >= 4.8 && < 4.15
-      , repa                 == 3.4.1.*
-      , repa-algorithms      == 3.4.1.*
+        base                 >= 4.8 && < 4.17
+      , repa                 >= 3.4 && < 3.5
+      , repa-algorithms      >= 3.4 && < 3.5
       , vector               >= 0.11 && < 0.13
 
   Main-is: examples/Blur/src-repa/Main.hs
@@ -190,9 +190,9 @@ Executable repa-blur
 
 Executable repa-sobel
   Build-depends:
-        base                 >= 4.8 && < 4.15
-      , repa                 == 3.4.1.*
-      , repa-algorithms      == 3.4.1.*
+        base                 >= 4.8 && < 4.17
+      , repa                 >= 3.4 && < 3.5
+      , repa-algorithms      >= 3.4 && < 3.5
 
   Main-is: examples/Sobel/src-repa/Main.hs
   other-modules: Solver
@@ -214,9 +214,9 @@ Executable repa-sobel
 
 Executable repa-volume
   Build-depends:
-        base                 >= 4.8 && < 4.15
-      , repa                 == 3.4.1.*
-      , repa-io              == 3.4.1.*
+        base                 >= 4.8 && < 4.17
+      , repa                 >= 3.4 && < 3.5
+      , repa-io              >= 3.4 && < 3.5
 
   Main-is: examples/Volume/Main.hs
   ghc-options:
@@ -236,9 +236,9 @@ Executable repa-volume
 
 Executable repa-unit-test
   Build-depends:
-        base                 >= 4.8 && < 4.15
-      , repa                 == 3.4.1.*
-      , QuickCheck           >= 2.8 && < 2.14
+        base                 >= 4.8 && < 4.17
+      , repa                 >= 3.4 && < 3.5
+      , QuickCheck           >= 2.8 && < 2.16
 
   Main-is: examples/UnitTesting/UnitTesting.hs
   hs-source-dirs: examples/UnitTesting .

repa-io/repa-io.cabal

@@ -20,11 +20,11 @@ Library
   Build-Depends:
         base                 >= 4.8 && < 5
       , binary               >= 0.7 && < 0.9
-      , bmp                  == 1.2.*
-      , bytestring           >= 0.10 && < 0.12
+      , bmp                  >= 1.2 && <1.3
+      , bytestring           >= 0.10 && < 0.13
       , old-time             == 1.1.*
-      , repa                 == 3.4.*
-      , vector               >= 0.11 && < 0.13
+      , repa                 >= 3.4 && <3.5
+      , vector               >= 0.11 && < 0.14
 
   ghc-options:
         -O2

repa/repa.cabal

@@ -30,7 +30,7 @@ Library
       , ghc-prim
       , vector               >= 0.11 && < 0.13
       , bytestring           >= 0.10 && < 0.12
-      , QuickCheck           >= 2.8  && < 2.15
+      , QuickCheck           >= 2.8  && < 2.16
 
   ghc-options:
         -Wall