From fd6ca99bd3a00f6fdfd5d2663c2e5dab8b605b09 Mon Sep 17 00:00:00 2001
From: simonm <unknown>
Date: Tue, 14 Apr 1998 09:29:26 +0000
Subject: [PATCH] [project @ 1998-04-14 09:29:26 by simonm] add comment about
 why NON_POSIX_SOURCE is required.

---
 ghc/tests/codeGen/should_run/cg035.hs |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ghc/tests/codeGen/should_run/cg035.hs b/ghc/tests/codeGen/should_run/cg035.hs
index 1b4c930..7b7b7d0 100644
--- a/ghc/tests/codeGen/should_run/cg035.hs
+++ b/ghc/tests/codeGen/should_run/cg035.hs
@@ -1,5 +1,9 @@
 {-# OPTIONS -optc-DNON_POSIX_SOURCE #-}
 
+-- The above option is required because 'erf' isn't a POSIX function, and we
+-- need a prototype for it in order to compile the following code correctly.
+-- Defining NON_POSIX_SOURCE tells the RTS not to define _POSIX_SOURCE.
+
 module Main (main) where
 
 import IOExts ( unsafePerformIO )
-- 
1.7.10.4