From: Simon Marlow <simonmar@microsoft.com>
Date: Fri, 11 Aug 2006 11:34:53 +0000 (+0000)
Subject: On FreeBSD, use -lthr instead of -pthread for now (see comments)
X-Git-Tag: Before_FC_branch_merge~220
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=22387f7d148b872b724a173bf52b6fc939cba047

On FreeBSD, use -lthr instead of -pthread for now (see comments)
---

diff --git a/compiler/main/StaticFlags.hs b/compiler/main/StaticFlags.hs
index b49323b..4c9c5e8 100644
--- a/compiler/main/StaticFlags.hs
+++ b/compiler/main/StaticFlags.hs
@@ -488,8 +488,13 @@ way_details :: [ (WayName, Way) ]
 way_details =
   [ (WayThreaded, Way "thr" True "Threaded" [
 #if defined(freebsd_TARGET_OS)
-	  "-optc-pthread"
-        , "-optl-pthread"
+--	  "-optc-pthread"
+--      , "-optl-pthread"
+	-- FreeBSD's default threading library is the KSE-based M:N libpthread,
+	-- which GHC has some problems with.  It's currently not clear whether
+	-- the problems are our fault or theirs, but it seems that using the
+	-- alternative 1:1 threading library libthr works around it:
+	  "-optl-lthr"
 #elif defined(solaris2_TARGET_OS)
           "-optl-lrt"
 #endif