Easy fix for Trac #2409

[ghc-hetmet.git] / compiler / Makefile

diff --git a/compiler/Makefile b/compiler/Makefile
index acace59..ce69bae 100644 (file)
--- a/compiler/Makefile
+++ b/compiler/Makefile
@@ -644,8 +644,6 @@ ifeq "$(HOSTPLATFORM)" "hppa1.1-hp-hpux9"
 rename/RnMonad_HC_OPTS                 =  -O2 -O2-for-C
 endif
 
-utils/Digraph_HC_OPTS          = -fglasgow-exts 
-
 # basicTypes/SrcLoc_HC_OPTS    = -funbox-strict-fields
 
 # We always optimise some low-level modules, otherwise performance of
@@ -687,6 +685,10 @@ parser/Lexer_HC_OPTS += -funbox-strict-fields
 # prototype via a global option instead of a myriad of per-file OPTIONS
 SRC_HC_OPTS += '-\#include "cutils.h"'
 
+ifeq "$(ghc_ge_605)" "NO"
+utils/LazyUniqFM_HC_OPTS += -fallow-undecidable-instances
+endif
+
 # ----------------------------------------------------------------------------
 #              Generate supporting stuff for prelude/PrimOp.lhs 
 #              from prelude/primops.txt