···899 sha256 = "1vss7b99zrhw3r29krl1b60r4qk0m2mpwmrz8q8zdxrh33hb8pd7";
900 });
901902+ # happy 1.19.6+ broke the Agda build. Sticking with the previous version
903+ # avoided that issue, but now the build fails with a segmentation fault
904+ # during the install phase for no apparent reason:
905+ # https://hydra.nixos.org/build/60678124
906+ Agda = markBroken (super.Agda.override { happy = self.happy_1_19_5; });
907908 # https://github.com/jtdaugherty/text-zipper/issues/11
909 text-zipper = dontCheck super.text-zipper;