haskell-text-icu: remedy a fatal absence of truth in the build

pkgs/development/haskell-modules/configuration-common.nix

@@ -843,8 +843,11 @@ self: super: {
   # https://github.com/alphaHeavy/protobuf/issues/34
   protobuf = dontCheck super.protobuf;
 
-  # https://github.com/bos/text-icu/issues/32
-  text-icu = dontCheck super.text-icu;
+  # Is this package still maintained? https://github.com/haskell/text-icu/issues/30
+  text-icu = overrideCabal super.text-icu (drv: {
+    doCheck = false;                                               # https://github.com/bos/text-icu/issues/32
+    configureFlags = ["--ghc-option=-DU_DEFINE_FALSE_AND_TRUE=1"]; # https://github.com/haskell/text-icu/issues/49
+  });
 
   # aarch64 and armv7l fixes.
   happy = if (pkgs.stdenv.hostPlatform.isAarch32 || pkgs.stdenv.hostPlatform.isAarch64) then dontCheck super.happy else super.happy; # Similar to https://ghc.haskell.org/trac/ghc/ticket/13062