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-rw-r--r--compiler/Makefile6
1 files changed, 5 insertions, 1 deletions
diff --git a/compiler/Makefile b/compiler/Makefile
index 6b8f300fb4..85b8cfae1d 100644
--- a/compiler/Makefile
+++ b/compiler/Makefile
@@ -144,9 +144,13 @@ endif
# profiling enabled (GhcProfiled = YES).
ifneq "$(GhcLibProfiled) $(GhcProfiled)" "NO NO"
CONFIGURE_FLAGS_STAGE2 += --enable-library-profiling
-# And if we're profiling GHC then we want lots of SCCs
+# And if we're profiling GHC then we want lots of SCCs.
+# We also don't want to waste time building the non-profiling library,
+# either normally or for ghci.
ifeq "$(GhcProfiled)" "YES"
CONFIGURE_FLAGS_STAGE2 += --ghc-option=-auto-all
+CONFIGURE_FLAGS_STAGE2 += --disable-library-vanilla
+CONFIGURE_FLAGS_STAGE2 += --disable-library-for-ghci
endif
endif