X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fmain%2FStaticFlags.hs;h=4c9c5e826a2dcb0389e056ccb8e9a7fb5defb7c1;hb=ad0cc1df6f2fc711aca4ee3e9c6e58f6366bcd63;hp=b49323b27a19d0b85461087341c0384df7269e68;hpb=bec18cb3a1dcbc70b0257a367091c9a5948da6f6;p=ghc-hetmet.git

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