X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=mk%2Fconfig.mk.in;h=b241dc946aa0efe80257ef7306a48415b81b1eac;hb=d70b588ca35138bcfa21f30eb27b2015cb954ed0;hp=1ce9751b026898a6936b3723c30731de29e3004d;hpb=88e09197fcd710148c7a6b990b9a2b4706b49881;p=ghc-hetmet.git

diff --git a/mk/config.mk.in b/mk/config.mk.in
index 1ce9751..b241dc9 100644
--- a/mk/config.mk.in
+++ b/mk/config.mk.in
@@ -856,9 +856,14 @@ NHC		= @NHC@
 # tree).  We can refer to "this ghc" as $(GHC_INPLACE):
 
 GHC_INPLACE 	= $(GHC_COMPILER_DIR)/ghc-inplace
-GHC_STAGE1 	= $(GHC_COMPILER_DIR)/stage1/ghc-inplace
-GHC_STAGE2 	= $(GHC_COMPILER_DIR)/stage2/ghc-inplace
-GHC_STAGE3 	= $(GHC_COMPILER_DIR)/stage3/ghc-inplace
+GHC_STAGE1 	= $(GHC_COMPILER_DIR)/stage1/ghc-inplace -no-user-package-conf
+GHC_STAGE2 	= $(GHC_COMPILER_DIR)/stage2/ghc-inplace -no-user-package-conf
+GHC_STAGE3 	= $(GHC_COMPILER_DIR)/stage3/ghc-inplace -no-user-package-conf
+
+# NOTE: add -no-user-package-conf for stage 1-3 above, so that
+# we avoid picking up any packages the user might happen to have
+# installed for this GHC version.  They are bound to be incompatible
+# with the packages we built in the tree.
 
 ifneq "$(findstring YES, $(UseStage1) $(BootingFromHc))" ""