workaround for #4003, fixes HEAD build with 6.12.2

[ghc-hetmet.git] / compiler / ghc.mk

diff --git a/compiler/ghc.mk b/compiler/ghc.mk
index 48554db..ef662f6 100644 (file)
--- a/compiler/ghc.mk
+++ b/compiler/ghc.mk
@@ -439,24 +439,18 @@ compiler_stage1_SplitObjs = NO
 compiler_stage2_SplitObjs = NO
 compiler_stage3_SplitObjs = NO
 
-# For now, bindists always use stage 2
-ifneq "$(BINDIST)" "YES"
-# stage 1 is enabled unless $(stage) is set to something other than 1
-ifeq "$(filter-out 1,$(stage))" ""
-$(eval $(call build-package,compiler,stage1,0))
+ifeq "$(stage)" "1"
+compiler_stage2_NOT_NEEDED = YES
 endif
+ifneq "$(stage)" "3"
+compiler_stage3_NOT_NEEDED = YES
 endif
 
-# stage 2 is enabled unless $(stage) is set to something other than 2
-ifeq "$(filter-out 2,$(stage))" ""
+$(eval $(call build-package,compiler,stage1,0))
 $(eval $(call build-package,compiler,stage2,1))
-endif
+$(eval $(call build-package,compiler,stage3,2))
 
 ifneq "$(BINDIST)" "YES"
-# stage 3 has to be requested explicitly with stage=3
-ifeq "$(stage)" "3"
-$(eval $(call build-package,compiler,stage3,2))
-endif
 
 compiler_stage2_TAGS_HC_OPTS = -package ghc
 $(eval $(call tags-package,compiler,stage2))
@@ -480,6 +474,13 @@ $(eval $(call compiler-hs-dependency,PrimOp,$(PRIMOP_BITS)))
 compiler/prelude/PrimOps_HC_OPTS += -fforce-recomp
 compiler/main/Constants_HC_OPTS  += -fforce-recomp
 
+# Workaround for #4003 in GHC 6.12.2.  It didn't happen in 6.12.1, and
+# will be fixed in 6.12.3.  Unfortunately we don't have a way to do
+# this for just stage1 in the build system.
+ifeq "$(GhcVersion)" "6.12.2"
+compiler/hsSyn/HsLit_HC_OPTS     += -fomit-interface-pragmas
+endif
+
 # Note [munge-stage1-package-config]
 # Strip the date/patchlevel from the version of stage1.  See Note
 # [fiddle-stage1-version] above.