Extended build matrix.

Author: svenpanne

.travis.yml

@@ -22,6 +22,12 @@ matrix:
     - env: CABALVER=1.24 GHCVER=8.0.2
       compiler: ": #GHC 8.0.2"
       addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.2], sources: [hvr-ghc]}}
+    - env: CABALVER=1.24 GHCVER=8.2.2
+      compiler: ": #GHC 8.2.2"
+      addons: {apt: {packages: [cabal-install-1.24,ghc-8.2.2], sources: [hvr-ghc]}}
+    - env: CABALVER=1.24 GHCVER=8.4.1
+      compiler: ": #GHC 8.4.1"
+      addons: {apt: {packages: [cabal-install-2.0,ghc-8.4.1], sources: [hvr-ghc]}}
     - env: CABALVER=head GHCVER=head
       compiler: ": #GHC head"
       addons: {apt: {packages: [cabal-install-head,ghc-head], sources: [hvr-ghc]}}

OpenGLRaw.cabal

@@ -31,7 +31,9 @@ tested-with:
   GHC == 7.8.4
   GHC == 7.10.3
   GHC == 8.0.2
-  GHC == 8.1
+  GHC == 8.2.2
+  GHC == 8.4.1
+  GHC == 8.5
 cabal-version: >= 1.10
 extra-source-files:
   CHANGELOG.md