packages: Cabal/ cabal-testsuite/ cabal-install/

write-ghc-environment-files: never

package Cabal
  ghc-options: -Werror -fno-ignore-asserts
package cabal-testsuite
  ghc-options: -Werror -fno-ignore-asserts
package cabal-install
  ghc-options: -Werror -fno-ignore-asserts
