v0.2.0.3: drop support for GHC 7

.github/workflows/haskell-ci.yml

@@ -8,9 +8,9 @@
 #
 # For more information, see https://github.com/haskell-CI/haskell-ci
 #
-# version: 0.19.20250216
+# version: 0.19.20250821
 #
-# REGENDATA ("0.19.20250216",["github","resolv.cabal"])
+# REGENDATA ("0.19.20250821",["github","resolv.cabal"])
 #
 name: Haskell-CI
 on:
@@ -32,24 +32,29 @@ jobs:
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.12.1
+          - compiler: ghc-9.14.0.20250819
             compilerKind: ghc
-            compilerVersion: 9.12.1
+            compilerVersion: 9.14.0.20250819
+            setup-method: ghcup-prerelease
+            allow-failure: false
+          - compiler: ghc-9.12.2
+            compilerKind: ghc
+            compilerVersion: 9.12.2
             setup-method: ghcup
             allow-failure: false
-          - compiler: ghc-9.10.1
+          - compiler: ghc-9.10.2
             compilerKind: ghc
-            compilerVersion: 9.10.1
+            compilerVersion: 9.10.2
             setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.8.4
             compilerKind: ghc
             compilerVersion: 9.8.4
             setup-method: ghcup
             allow-failure: false
-          - compiler: ghc-9.6.6
+          - compiler: ghc-9.6.7
             compilerKind: ghc
-            compilerVersion: 9.6.6
+            compilerVersion: 9.6.7
             setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.4.8
@@ -106,12 +111,12 @@ jobs:
       - name: Install GHCup
         run: |
           mkdir -p "$HOME/.ghcup/bin"
-          curl -sL https://downloads.haskell.org/ghcup/0.1.30.0/x86_64-linux-ghcup-0.1.30.0 > "$HOME/.ghcup/bin/ghcup"
+          curl -sL https://downloads.haskell.org/ghcup/0.1.50.1/x86_64-linux-ghcup-0.1.50.1 > "$HOME/.ghcup/bin/ghcup"
           chmod a+x "$HOME/.ghcup/bin/ghcup"
       - name: Install cabal-install
         run: |
-          "$HOME/.ghcup/bin/ghcup" install cabal 3.12.1.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
-          echo "CABAL=$HOME/.ghcup/bin/cabal-3.12.1.0 -vnormal+nowrap" >> "$GITHUB_ENV"
+          "$HOME/.ghcup/bin/ghcup" install cabal 3.16.0.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
+          echo "CABAL=$HOME/.ghcup/bin/cabal-3.16.0.0 -vnormal+nowrap" >> "$GITHUB_ENV"
       - name: Install GHC (GHCup)
         if: matrix.setup-method == 'ghcup'
         run: |
@@ -126,6 +131,21 @@ jobs:
           HCKIND: ${{ matrix.compilerKind }}
           HCNAME: ${{ matrix.compiler }}
           HCVER: ${{ matrix.compilerVersion }}
+      - name: Install GHC (GHCup prerelease)
+        if: matrix.setup-method == 'ghcup-prerelease'
+        run: |
+          "$HOME/.ghcup/bin/ghcup" config add-release-channel prereleases
+          "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
+          HC=$("$HOME/.ghcup/bin/ghcup" whereis ghc "$HCVER")
+          HCPKG=$(echo "$HC" | sed 's#ghc$#ghc-pkg#')
+          HADDOCK=$(echo "$HC" | sed 's#ghc$#haddock#')
+          echo "HC=$HC" >> "$GITHUB_ENV"
+          echo "HCPKG=$HCPKG" >> "$GITHUB_ENV"
+          echo "HADDOCK=$HADDOCK" >> "$GITHUB_ENV"
+        env:
+          HCKIND: ${{ matrix.compilerKind }}
+          HCNAME: ${{ matrix.compiler }}
+          HCVER: ${{ matrix.compilerVersion }}
       - name: Set PATH and environment variables
         run: |
           echo "$HOME/.cabal/bin" >> $GITHUB_PATH
@@ -136,7 +156,7 @@ jobs:
           echo "HCNUMVER=$HCNUMVER" >> "$GITHUB_ENV"
           echo "ARG_TESTS=--enable-tests" >> "$GITHUB_ENV"
           echo "ARG_BENCH=--enable-benchmarks" >> "$GITHUB_ENV"
-          echo "HEADHACKAGE=false" >> "$GITHUB_ENV"
+          if [ $((HCNUMVER >= 91400)) -ne 0 ] ; then echo "HEADHACKAGE=true" >> "$GITHUB_ENV" ; else echo "HEADHACKAGE=false" >> "$GITHUB_ENV" ; fi
           echo "ARG_COMPILER=--$HCKIND --with-compiler=$HC" >> "$GITHUB_ENV"
         env:
           HCKIND: ${{ matrix.compilerKind }}
@@ -164,6 +184,18 @@ jobs:
           repository hackage.haskell.org
             url: http://hackage.haskell.org/
           EOF
+          if $HEADHACKAGE; then
+          cat >> $CABAL_CONFIG <<EOF
+          repository head.hackage.ghc.haskell.org
+             url: https://ghc.gitlab.haskell.org/head.hackage/
+             secure: True
+             root-keys: 7541f32a4ccca4f97aea3b22f5e593ba2c0267546016b992dfadcd2fe944e55d
+                        26021a13b401500c8eb2761ca95c61f2d625bfef951b939a8124ed12ecf07329
+                        f76d08be13e9a61a377a85e2fb63f4c5435d40f8feb3e12eb05905edb8cdea89
+             key-threshold: 3
+          active-repositories: hackage.haskell.org, head.hackage.ghc.haskell.org:override
+          EOF
+          fi
           cat >> $CABAL_CONFIG <<EOF
           program-default-options
             ghc-options: $GHCJOBS +RTS -M3G -RTS
@@ -215,9 +247,16 @@ jobs:
           touch cabal.project.local
           echo "packages: ${PKGDIR_resolv}" >> cabal.project
           if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo "package resolv" >> cabal.project ; fi
-          if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo "    ghc-options: -Werror=missing-methods" >> cabal.project ; fi
+          if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo "    ghc-options: -Werror=missing-methods -Werror=missing-fields" >> cabal.project ; fi
+          if [ $((HCNUMVER >= 90400)) -ne 0 ] ; then echo "package resolv" >> cabal.project ; fi
+          if [ $((HCNUMVER >= 90400)) -ne 0 ] ; then echo "    ghc-options: -Werror=unused-packages" >> cabal.project ; fi
+          if [ $((HCNUMVER >= 90000)) -ne 0 ] ; then echo "package resolv" >> cabal.project ; fi
+          if [ $((HCNUMVER >= 90000)) -ne 0 ] ; then echo "    ghc-options: -Werror=incomplete-patterns -Werror=incomplete-uni-patterns" >> cabal.project ; fi
           cat >> cabal.project <<EOF
           EOF
+          if $HEADHACKAGE; then
+          echo "allow-newer: $($HCPKG list --simple-output | sed -E 's/([a-zA-Z-]+)-[0-9.]+/*:\1,/g')" >> cabal.project
+          fi
           $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: any.$_ installed\n" unless /^(resolv)$/; }' >> cabal.project.local
           cat cabal.project
           cat cabal.project.local

ChangeLog.md

@@ -2,6 +2,13 @@ See also http://pvp.haskell.org/faq
 
 # Revision history for `resolv`
 
+## 0.2.0.3
+
+_2025-08-31, Andreas Abel_
+
+* Drop support for GHC 7
+* Tested with GHC 8.0 - 9.14 alpha1
+
 ## 0.2.0.2
 
 _2023-06-12, Alexey Radkov and Andreas Abel_

haskell-ci.patch

@@ -1,14 +1,5 @@
 --- .github/workflows/haskell-ci.yml	2022-08-12 15:15:50.000000000 +0200
 +++ .github/workflows/haskell-ci.yml-patched	2022-08-12 15:14:23.000000000 +0200
-@@ -25,7 +25,7 @@
- jobs:
-   linux:
-     name: Haskell-CI - Linux - ${{ matrix.compiler }}
--    runs-on: ubuntu-20.04
-+    runs-on: ubuntu-22.04
-     timeout-minutes:
-       60
-     container:
 @@ -170,6 +170,9 @@
            touch cabal.project
            echo "packages: $GITHUB_WORKSPACE/source/." >> cabal.project

resolv.cabal

@@ -1,8 +1,7 @@
 cabal-version:       2.2
 
 name:                resolv
-version:             0.2.0.2
-x-revision:          5
+version:             0.2.0.3
 
 synopsis:            Domain Name Service (DNS) lookup via the libresolv standard library routines
 description: {
@@ -36,7 +35,7 @@ provides a compatible subset of this package's API.
 license:             GPL-2.0-or-later
 license-files:       LICENSE LICENSE.GPLv2 LICENSE.GPLv3
 author:              Herbert Valerio Riedel
-maintainer:          Alexey Radkov
+maintainer:          Alexey Radkov, Andreas Abel
 category:            Network
 build-type:          Configure
 bug-reports:         https://github.com/haskell-hvr/resolv/issues
@@ -56,10 +55,11 @@ extra-tmp-files:     autom4te.cache
                      cbits/hs_resolv_config.h
 
 tested-with:
-  GHC == 9.12.1
-  GHC == 9.10.1
+  GHC == 9.14.1
+  GHC == 9.12.2
+  GHC == 9.10.2
   GHC == 9.8.4
-  GHC == 9.6.6
+  GHC == 9.6.7
   GHC == 9.4.8
   GHC == 9.2.8
   GHC == 9.0.2
@@ -89,23 +89,25 @@ library
                      Trustworthy
 
   hs-source-dirs:    src
+  include-dirs:      cbits
+
   exposed-modules:   Network.DNS
   other-modules:     Network.DNS.Message
                      Network.DNS.FFI
                      Compat
 
-  build-depends:     base               >= 4.6      && < 5
-                       -- bytestring-0.10.0.0 was shipped with GHC 7.6 (base-4.6)
-                   , base16-bytestring  >= 0.1      && < 1.1
-                   , binary            ^>= 0.7.3    || ^>= 0.8
-                       -- we need binary-0.7.3 for isolate
-                   , bytestring         >= 0.10.0.0 && < 0.13
-                       -- instance IsString ByteString exists in its form since bytestring-0.10.0.0
-                       -- see https://github.com/haskell-hvr/resolv/pull/13#issuecomment-1213876161
-                   , containers         >= 0.4.2.1  && < 0.9
-
-  ghc-options:       -Wall
-  include-dirs:      cbits
+  -- Lower bounds take from GHC 8.0 shipped libraries and Stackage LTS 7.0
+  build-depends:     base               >= 4.9      && < 5
+                   , base16-bytestring  >= 0.1.1.6  && < 1.1
+                   , binary             >= 0.8.3    && < 0.9
+                   , bytestring         >= 0.10.8.0 && < 0.13
+                   , containers         >= 0.5.7.1  && < 0.9
+
+  ghc-options:
+    -Wall
+    -Wcompat
+    -Wunused-packages
+    -Wincomplete-patterns
 
 test-suite resolv.
   default-language:    Haskell2010
@@ -119,7 +121,7 @@ test-suite resolv.
                , bytestring
 
   -- additional dependencies not inherited
-  build-depends: tasty         >= 1.2.3 && < 1.6
+  build-depends: tasty         >= 1.2.3    && < 1.6
                , tasty-hunit  ^>= 0.10.0
-               , directory    ^>= 1.1.0 || ^>= 1.2.0 || ^>= 1.3.0
-               , filepath      >= 1.3   && < 1.6
+               , directory     >= 1.2.6.2  && < 1.4
+               , filepath      >= 1.4.1.0  && < 1.6

src-test/Tests1.hs

@@ -1,5 +1,10 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE OverloadedStrings #-}
 
+#if __GLASGOW_HASKELL__ >= 900
+{-# OPTIONS_GHC -Wno-incomplete-uni-patterns #-}
+#endif
+
 module Main where
 
 import           Control.Applicative as A
@@ -87,5 +92,3 @@ assertEqShow onFail ref cur
         onFail
         T.assertFailure ("expected: " ++ show ref ++ "\n but got: " ++ show cur)
   | otherwise = A.pure ()
-
-

src/Network/DNS.hs

@@ -1,5 +1,4 @@
 {-# LANGUAGE CApiFFI            #-}
-{-# LANGUAGE DeriveDataTypeable #-}
 {-# LANGUAGE OverloadedStrings  #-}
 {-# LANGUAGE RecordWildCards    #-}
 {-# LANGUAGE Trustworthy        #-}
@@ -84,7 +83,6 @@ module Network.DNS
 
 import           Control.Exception
 import           Data.Bits             (unsafeShiftR, (.&.))
-import           Data.Typeable         (Typeable)
 import           Foreign.C
 import           Foreign.Marshal.Alloc
 import           Numeric               (showInt)
@@ -120,7 +118,7 @@ data DnsException
       -- ^ No such domain (non-authoritative) or SERVERFAIL
       --
       -- @since 0.2.0.0
-  deriving (Eq, Show, Typeable)
+  deriving (Eq, Show)
 
 instance Exception DnsException