From 69f7a8f476da4cca5d146e3b232a9919693eb2eb Mon Sep 17 00:00:00 2001
From: Xinglu Chen <public@yoctocell.xyz>
Date: Tue, 14 Sep 2021 09:55:15 +0200
Subject: gnu: Add ghc-8.10.

This fixes <https://issues.guix.gnu.org/49606>.

* gnu/packages/haskell.scm (ghc-8.10): New variable.

Signed-off-by: Lars-Dominik Braun <lars@6xq.net>
---
 gnu/packages/haskell.scm | 55 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

(limited to 'gnu/packages')

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 3d10bdc946..ca0498e6d9 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -21,6 +21,7 @@
 ;;; Copyright © 2019 Jacob MacDonald <jaccarmac@gmail.com>
 ;;; Copyright © 2020 Marius Bakke <mbakke@fastmail.com>
 ;;; Copyright © 2021 Matthew James Kraai <kraai@ftbfs.org>
+;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -663,6 +664,60 @@ interactive environment for the functional language Haskell.")
                                 (file-pattern ".*\\.conf\\.d$")
                                 (file-type 'directory))))))
 
+(define-public ghc-8.10
+  (package
+    (inherit ghc-8.8)
+    (name "ghc-next")
+    (version "8.10.7")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://www.haskell.org/ghc/dist/"
+                           version "/ghc-" version "-src.tar.xz"))
+       (sha256
+        (base32 "179ws2q0dinl1a39wm9j37xzwm84zfz3c5543vz8v479khigdvp3"))))
+    (native-inputs
+     `(("ghc-bootstrap" ,ghc-8.8)
+       ("ghc-testsuite"
+        ,(origin
+           (method url-fetch)
+           (uri (string-append
+                 "https://www.haskell.org/ghc/dist/"
+                 version "/ghc-" version "-testsuite.tar.xz"))
+           (patches (search-patches "ghc-testsuite-dlopen-pie.patch"))
+           (sha256
+            (base32
+             "1zl25gg6bpx5601k8h3cqnns1xfc0nqgwnh8jvn2s65ra3f2g1nz"))))
+       ("git" ,git-minimal)                     ; invoked during tests
+       ,@(filter (match-lambda
+                   (("ghc-bootstrap" . _) #f)
+                   (("ghc-testsuite" . _) #f)
+                   (_ #t))
+                 (package-native-inputs ghc-8.8))))
+    (arguments
+     (substitute-keyword-arguments (package-arguments ghc-8.8)
+       ((#:phases phases '%standard-phases)
+        `(modify-phases ,phases
+           (add-after 'unpack-testsuite 'patch-more-shebangs
+             (lambda* (#:key inputs #:allow-other-keys)
+               (let ((bash (assoc-ref inputs "bash")))
+                 (substitute* '("testsuite/tests/driver/T8602/T8602.script")
+                   (("/bin/sh")
+                    (string-append bash "/bin/sh"))))))
+           ;; Mark failing tests as broken. Reason for failure is unknown.
+           (add-after 'skip-more-tests 'skip-even-more-tests
+             (lambda _
+               (substitute* '("testsuite/tests/driver/T16521/all.T")
+                 (("extra_files" all) (string-append "[" all))
+                 (("\\]\\), " all)
+                  (string-append all "expect_broken(0)], ")))))))))
+    (native-search-paths (list (search-path-specification
+                                (variable "GHC_PACKAGE_PATH")
+                                (files (list
+                                        (string-append "lib/ghc-" version)))
+                                (file-pattern ".*\\.conf\\.d$")
+                                (file-type 'directory))))))
+
 (define-public ghc-8 ghc-8.6)
 
 (define-public ghc ghc-8)
-- 
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