[commit: ghc] master: On AIX we need -D_BSD defined in <Stg.h> (6ef351d)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/6ef351df6172f0795e77323fa2ca45b3ae670502/ghc

>---------------------------------------------------------------

commit 6ef351df6172f0795e77323fa2ca45b3ae670502
Author: Herbert Valerio Riedel <hvr at gnu.org>
Date:   Fri Dec 4 10:40:42 2015 +0100

    On AIX we need -D_BSD defined in <Stg.h>
    
    As otherwise <math.h> includes <stdlib.h> which breaks compilation
    of .hc files


>---------------------------------------------------------------

6ef351df6172f0795e77323fa2ca45b3ae670502
 includes/Stg.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/includes/Stg.h b/includes/Stg.h
index f09fc00..899e685 100644
--- a/includes/Stg.h
+++ b/includes/Stg.h
@@ -48,6 +48,11 @@
 // on Linux
 # define _BSD_SOURCE
 
+// On AIX we need _BSD defined, otherwise <math.h> includes <stdlib.h>
+# if defined(_AIX)
+#  define _BSD 1
+# endif
+
 // '_BSD_SOURCE' is deprecated since glibc-2.20
 // in favour of '_DEFAULT_SOURCE'
 # define _DEFAULT_SOURCE