1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
From 46fe80ab7c0013a929d0934e61429820042a70a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niklas=20Hamb=C3=BCchen?= <mail@nh2.me>
Date: Fri, 21 Jul 2017 20:09:11 +0200
Subject: [PATCH 1/2] base: Add `extra-libraries: m` because base uses libm
functions.
Linking with gold needs this because in contrast to ld, gold
doesn't implicitly link libm.
Found by Michael Bishop <cleverca22@gmail.com>.
---
libraries/base/base.cabal | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libraries/base/base.cabal b/libraries/base/base.cabal
index f00fb8768e5..fd91f268ffe 100644
--- a/libraries/base/base.cabal
+++ b/libraries/base/base.cabal
@@ -342,6 +342,10 @@ Library
WCsubst.h
consUtils.h
+ -- Base uses libm functions. ld.bfd links libm implicitly when necessary.
+ -- Other linkers, like gold, don't, so we have to declare it explicitly.
+ extra-libraries: m
+
-- OS Specific
if os(windows)
-- Windows requires some extra libraries for linking because the RTS
From 900a8f4931e9bc6d3219d9263cfecfc6af8fc766 Mon Sep 17 00:00:00 2001
From: michael bishop <cleverca22@gmail.com>
Date: Sat, 22 Jul 2017 13:12:39 -0300
Subject: [PATCH 2/2] also add -lm to ghc-prim
---
libraries/ghc-prim/ghc-prim.cabal | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libraries/ghc-prim/ghc-prim.cabal b/libraries/ghc-prim/ghc-prim.cabal
index 00a029efedf..6db85dd69fc 100644
--- a/libraries/ghc-prim/ghc-prim.cabal
+++ b/libraries/ghc-prim/ghc-prim.cabal
@@ -42,6 +42,10 @@ Library
UnliftedFFITypes
build-depends: rts == 1.0.*
+
+ -- Base uses libm functions. ld.bfd links libm implicitly when necessary.
+ -- Other linkers, like gold, don't, so we have to declare it explicitly.
+ extra-libraries: m
exposed-modules:
GHC.CString
|