Remove support for GHC 8.0

.github/workflows/haskell-ci.yml

@@ -68,11 +68,6 @@ jobs:
             compilerVersion: 8.2.2
             setup-method: ghcup
             allow-failure: false
-          - compiler: ghc-8.0.2
-            compilerKind: ghc
-            compilerVersion: 8.0.2
-            setup-method: ghcup
-            allow-failure: false
       fail-fast: false
     steps:
       - name: apt

cabal.haskell-ci

@@ -1,4 +1,4 @@
-ghcup-jobs: >=8.0
+ghcup-jobs: >=8.2
 docspec: True
 docspec-options: --timeout 2
 haddock: >=8.6

changelog.md

@@ -1,3 +1,7 @@
+### Unreleased
+
+* Remove support for GHC 8.0.
+
 ### 2.0.1
 
 * Improve portability of C and C++ code.

src/Data/Text/Internal/ByteStringCompat.hs

@@ -8,13 +8,7 @@ import Data.Word (Word8)
 import Foreign.ForeignPtr (ForeignPtr)
 
 #if !MIN_VERSION_bytestring(0,11,0)
-#if MIN_VERSION_base(4,10,0)
 import GHC.ForeignPtr (plusForeignPtr)
-#else
-import GHC.ForeignPtr (ForeignPtr(ForeignPtr))
-import GHC.Types (Int (..))
-import GHC.Prim (plusAddr#)
-#endif
 #endif
 
 mkBS :: ForeignPtr Word8 -> Int -> ByteString
@@ -32,25 +26,3 @@ withBS (BS !sfp !slen)       kont = kont sfp slen
 withBS (PS !sfp !soff !slen) kont = kont (plusForeignPtr sfp soff) slen
 #endif
 {-# INLINE withBS #-}
-
-#if !MIN_VERSION_bytestring(0,11,0)
-#if !MIN_VERSION_base(4,10,0)
--- |Advances the given address by the given offset in bytes.
---
--- The new 'ForeignPtr' shares the finalizer of the original,
--- equivalent from a finalization standpoint to just creating another
--- reference to the original. That is, the finalizer will not be
--- called before the new 'ForeignPtr' is unreachable, nor will it be
--- called an additional time due to this call, and the finalizer will
--- be called with the same address that it would have had this call
--- not happened, *not* the new address.
-plusForeignPtr :: ForeignPtr a -> Int -> ForeignPtr b
-plusForeignPtr (ForeignPtr addr guts) (I# offset) = ForeignPtr (plusAddr# addr offset) guts
-{-# INLINE [0] plusForeignPtr #-}
-{-# RULES
-"ByteString plusForeignPtr/0" forall fp .
-   plusForeignPtr fp 0 = fp
- #-}
-#endif
-#endif
-

tests/Tests/Properties/LowLevel.hs

@@ -132,10 +132,7 @@ testLowLevel =
         [ (`hasNoTypes` [''Char, ''[]])
         , (`doesNotUseAnyOf` ['T.pack, 'S.unstream, 'T.map, 'safe, 'S.streamList])
         , (`doesNotUseAnyOf` ['GHC.unpackCString#, 'GHC.unpackCStringUtf8#])
-#if MIN_VERSION_base(4,10,0)
-        -- skip this test for GHC 8.0
         , (`doesNotUseAnyOf` ['T.unpackCString#, 'T.unpackCStringAscii#])
-#endif
         ]
         't_literal_foo)
 #endif

text.cabal

@@ -46,7 +46,6 @@ copyright:      2009-2011 Bryan O'Sullivan, 2008-2009 Tom Harper, 2021 Andrew Le
 category:       Data, Text
 build-type:     Simple
 tested-with:
-    GHC == 8.0.2
     GHC == 8.2.2
     GHC == 8.4.4
     GHC == 8.6.5
@@ -117,7 +116,7 @@ library
 
   -- Certain version of GHC crash on Windows, when TemplateHaskell encounters C++.
   -- https://gitlab.haskell.org/ghc/ghc/-/issues/19417
-  if flag(simdutf) && os(windows) && impl(ghc == 8.0.1 || >= 8.8 && < 8.10.5 || == 9.0.1)
+  if flag(simdutf) && os(windows) && impl(ghc >= 8.8 && < 8.10.5 || == 9.0.1)
     build-depends: base < 0
 
   -- For GHC 8.2, 8.6.3 and 8.10.1 even TH + C crash Windows linker.
@@ -187,7 +186,7 @@ library
 
   build-depends:
     array            >= 0.3 && < 0.6,
-    base             >= 4.9 && < 5,
+    base             >= 4.10 && < 5,
     binary           >= 0.5 && < 0.9,
     bytestring       >= 0.10.4 && < 0.12,
     deepseq          >= 1.1 && < 1.5,
@@ -266,9 +265,9 @@ test-suite tests
     transformers,
     text
 
-  -- Plugin infrastructure does not work properly in 8.0.1 and 8.6.1, and
+  -- Plugin infrastructure does not work properly in 8.6.1, and
   -- ghc-9.2.1 library depends on parsec, which causes a circular dependency.
-  if impl(ghc >= 8.0.2 && < 8.6 || >= 8.6.2 && < 9.2 || >= 9.2.2)
+  if impl(ghc >= 8.2.1 && < 8.6 || >= 8.6.2 && < 9.2 || >= 9.2.2)
     build-depends: tasty-inspection-testing
 
   default-language: Haskell2010