Make version a parameter in GHC HEAD derivation

If you want to override the source but the major version changes (ie 8.1
-> 8.3) then you also have to modify the version. Otherwise the build
will fail with difficult to understand errors, making version a
parameter makes it easy to override.
This commit is contained in:
Matthew Pickering 2017-08-08 17:19:02 +00:00
parent e6808e30ae
commit 4021d4d5ee

View file

@ -5,6 +5,7 @@
# If enabled GHC will be build with the GPL-free but slower integer-simple
# library instead of the faster but GPLed integer-gmp library.
, enableIntegerSimple ? false, gmp
, version ? "8.1.20170106"
}:
let
@ -12,7 +13,6 @@ let
commonBuildInputs = [ ghc perl autoconf automake happy alex python3 ];
version = "8.1.20170106";
rev = "b4f2afe70ddbd0576b4eba3f82ba1ddc52e9b3bd";
commonPreConfigure = ''