Drop support for GHC 7

CHANGELOG.md

@@ -1,7 +1,7 @@
 ## Changes in 3.4.0.1
 
  * Address new `x-partial` warning of GHC 9.8.
- * Drop support for GHC ≤ 7.6.
+ * Drop support for GHC 7.
  * Tested with GHC 8.0 - 9.8.1.
 
 _Andreas Abel, 2023-10-22_

alex.cabal

@@ -33,8 +33,6 @@ tested-with:
         GHC == 8.4.4
         GHC == 8.2.2
         GHC == 8.0.2
-        -- GHC == 7.10.3
-        -- GHC == 7.8.4
 
 data-dir: data/
 
@@ -102,10 +100,12 @@ executable alex
   hs-source-dirs: src
   main-is: Main.hs
 
-  build-depends: base >= 4.7 && < 5
-               , array
-               , containers
-               , directory
+  build-depends:
+      base >= 4.9 && < 5
+        -- Data.List.NonEmpty entered `base` at 4.9
+    , array
+    , containers
+    , directory
 
   default-language:
     Haskell2010
@@ -116,9 +116,7 @@ executable alex
     MagicHash
     NondecreasingIndentation
     OverloadedLists
-  ghc-options: -Wall -rtsopts
-  if impl(ghc >= 8.0)
-    ghc-options: -Wcompat
+  ghc-options: -Wall -Wcompat -rtsopts
 
   other-modules:
         AbsSyn
@@ -149,6 +147,6 @@ test-suite tests
   -- This line is important as it ensures that the local `exe:alex` component declared above is built before the test-suite component is invoked, as well as making sure that `alex` is made available on $PATH and `$alex_datadir` is set accordingly before invoking `test.hs`
   build-tools: alex
 
-  default-language: Haskell98
+  default-language: Haskell2010
 
   build-depends: base, process