X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=mk%2Fconfig.mk.in;h=27d8845745f13b4ad519b0ea71800a47271e4410;hb=ad38b443c9a4f4650cf7129881ab430077331077;hp=47c4174919021f292639d44e43c2bcb109a082b1;hpb=f302d61cd080cc3f50e12bc881de338a3dc0b8f4;p=ghc-hetmet.git

diff --git a/mk/config.mk.in b/mk/config.mk.in
index 47c4174..27d8845 100644
--- a/mk/config.mk.in
+++ b/mk/config.mk.in
@@ -292,11 +292,22 @@ StripLibraries=NO
 
 # For an optimised RTS:
 GhcRtsHcOpts=-O2
-GhcRtsCcOpts=-O2 -fomit-frame-pointer
+GhcRtsCcOpts=-fomit-frame-pointer
 
 # Include the front panel code?  Needs GTK+.
 GhcRtsWithFrontPanel = NO
 
+#
+# To have the RTS support interoperation with OS threads, set
+# GhcRtsThreaded to YES (preferably via the --enable-threaded-rts
+# configure script option). The consequence of this is spelled out
+# in details elsewhere, but, briefly, Concurrent Haskell threads
+# can now make external (i.e., C) calls without blocking the progress
+# of other CH threads. Multiple native threads can also execute
+# Haskell code without getting in each others way too.
+# 
+GhcRtsThreaded=@ThreadedRts@
+
 ################################################################################
 #
 #		hslibs project