Add more GHC versions to CI

.github/workflows/haskell.yml

@@ -15,10 +15,39 @@ jobs:
         # number instances is a good way to trigger flaky build failures
         n: [1]
 
-        ghc: ["8.10.7"]
+        ghc:
+        - "8.0.2"
+        - "8.2.2"
+        - "8.4.4"
+        - "8.6.5"
+        - "8.8.4"
+        - "8.10.7"
+        - "9.0.2"
+        - "9.2.8"
+        - "9.4.8"
+        - "9.6.6"
+        - "9.8.2"
+        - "9.10.1"
         # FIXME: Add windows-latest back to CI once it is passing.
         os: [ubuntu-latest, macos-latest]
 
+        # Action fails to install GHC < 8.10 on OSX with a generic error
+        # messsage:
+        #
+        #   Error: All install methods for ghc 8.0.2 failed
+        #
+        # On the other hand, 8.10 and 9.0 fail due to LLVM:
+        #
+        #   Warning: Couldn't figure out LLVM version!
+        #            Make sure you have installed LLVM between [9 and 13)
+        exclude:
+          - {ghc: "8.0.2", os: "macos-latest"}
+          - {ghc: "8.2.2", os: "macos-latest"}
+          - {ghc: "8.4.4", os: "macos-latest"}
+          - {ghc: "8.6.5", os: "macos-latest"}
+          - {ghc: "8.8.4", os: "macos-latest"}
+          - {ghc: "8.10.7", os: "macos-latest"}
+          - {ghc: "9.0.2", os: "macos-latest"}
     env:
       # OpenSSL is installed in a non-standard location in MacOS. See
       # https://github.com/actions/virtual-environments/blob/main/images/macos/macos-latest-Readme.md

HsOpenSSL.cabal

@@ -21,7 +21,18 @@ Bug-Reports:   https://github.com/haskell-cryptography/HsOpenSSL/issues
 Category:      Cryptography
 Cabal-Version: 1.12
 Tested-With:
-    GHC==8.8.1, GHC==8.6.5, GHC==8.4.4, GHC==8.2.2, GHC==8.0.2, GHC==7.10.3
+    GHC ==8.0.2
+     || ==8.2.2
+     || ==8.4.4
+     || ==8.6.5
+     || ==8.8.4
+     || ==8.10.7
+     || ==9.0.2
+     || ==9.2.8
+     || ==9.4.8
+     || ==9.6.6
+     || ==9.8.1
+     || ==9.10.1
 Build-Type:    Custom
 Extra-Source-Files:
     AUTHORS