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# -----------------------------------------------------------------------------
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# $Id: Makefile,v 1.162 2001/06/23 10:54:07 panne Exp $
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TOP = ..
include $(TOP)/mk/boilerplate.mk
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#-----------------------------------------------------------------------------
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# Building ghc different ways (default is just `normal' sequential)
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WAYS=$(GhcCompilerWays)
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# -----------------------------------------------------------------------------
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#		Set HS_PROG
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# Note: there have been reports of people running up against the ARG_MAX limit
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# when linking ghc with all its constituent object files. The likely source of 
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# the problem is that the environment is a bit too big, so a workaround could
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# be to do ` env PATH=$(PATH) make ghc 'to minimise the environment. (or the
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# equivalent of `env' if it doesn't exist locally).
#
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ifneq "$(way)" "dll"
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HS_PROG=ghc$(_way)-$(ProjectVersion)
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else
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HS_PROG=ghc-$(ProjectVersion)
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endif
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# -----------------------------------------------------------------------------
# Create compiler configuration
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#
# The 'echo' commands simply spit the values of various make variables
# into Config.hs, whence they can be compiled and used by GHC itself
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CONFIG_HS 	= main/Config.hs
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boot :: $(CONFIG_HS)

$(CONFIG_HS) : $(FPTOOLS_TOP)/mk/config.mk Makefile
	@$(RM) -f $(CONFIG_HS)
	@echo -n "Creating $(CONFIG_HS) ... "
	@echo "module Config where" >>$(CONFIG_HS)
	@echo "cProjectName          = \"$(ProjectName)\"" >> $(CONFIG_HS)
	@echo "cProjectVersion       = \"$(ProjectVersion)\"" >> $(CONFIG_HS)
	@echo "cProjectVersionInt    = \"$(ProjectVersionInt)\"" >> $(CONFIG_HS)
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	@echo "cBooterVersion        = \"$(GhcVersion)\"" >> $(CONFIG_HS)
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	@echo "cHscIfaceFileVersion  = \"$(HscIfaceFileVersion)\"" >> $(CONFIG_HS)
	@echo "cHOSTPLATFORM         = \"$(HOSTPLATFORM)\"" >> $(CONFIG_HS)
	@echo "cTARGETPLATFORM       = \"$(TARGETPLATFORM)\"" >> $(CONFIG_HS)
	@echo "cGhcWithNativeCodeGen = \"$(GhcWithNativeCodeGen)\"" >> $(CONFIG_HS)
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	@echo "cGhcUnregisterised    = \"$(GhcUnregisterised)\"" >> $(CONFIG_HS)
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	@echo "cLeadingUnderscore    = \"$(LeadingUnderscore)\"" >> $(CONFIG_HS)
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	@echo "cRAWCPP               = \"$(GHC_RAWCPP)\"" >> $(CONFIG_HS)
	@echo "cGCC                  = \"$(WhatGccIsCalled)\"" >> $(CONFIG_HS)
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	@echo "cMKDLL                = \"$(BLD_DLL)\"" >> $(CONFIG_HS)
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	@echo "cGHC_DRIVER_DIR       = \"$(GHC_DRIVER_DIR)\"" >> $(CONFIG_HS)
	@echo "cGHC_TOUCHY           = \"$(GHC_TOUCHY)\"" >> $(CONFIG_HS)
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	@echo "cGHC_TOUCHY_DIR       = \"$(GHC_TOUCHY_DIR)\"" >> $(CONFIG_HS)
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	@echo "cGHC_UNLIT            = \"$(GHC_UNLIT)\"" >> $(CONFIG_HS)
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	@echo "cGHC_UNLIT_DIR        = \"$(GHC_UNLIT_DIR)\"" >> $(CONFIG_HS)
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	@echo "cGHC_MANGLER          = \"$(GHC_MANGLER)\"" >> $(CONFIG_HS)
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	@echo "cGHC_MANGLER_DIR      = \"$(GHC_MANGLER_DIR)\"" >> $(CONFIG_HS)
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	@echo "cGHC_SPLIT            = \"$(GHC_SPLIT)\"" >> $(CONFIG_HS)
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	@echo "cGHC_SPLIT_DIR        = \"$(GHC_SPLIT_DIR)\"" >> $(CONFIG_HS)
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	@echo "cGHC_SYSMAN           = \"$(GHC_SYSMAN)\"" >> $(CONFIG_HS)
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	@echo "cGHC_SYSMAN_DIR       = \"$(GHC_SYSMAN_DIR)\"" >> $(CONFIG_HS)
	@echo "cGHC_CP               = \"$(GHC_CP)\"" >> $(CONFIG_HS)
	@echo "cGHC_PERL             = \"$(GHC_PERL)\"" >> $(CONFIG_HS)
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	@echo "cEnableWin32DLLs      = \"$(EnableWin32DLLs)\"" >> $(CONFIG_HS)
	@echo "cCONTEXT_DIFF         = \"$(CONTEXT_DIFF)\"" >> $(CONFIG_HS)
	@echo "cHaveLibGmp           = \"$(HaveLibGmp)\"" >> $(CONFIG_HS)
	@echo "cUSER_WAY_NAMES       = \"$(USER_WAY_NAMES)\"" >> $(CONFIG_HS)
	@echo "cUSER_WAY_OPTS        = \"$(USER_WAY_OPTS)\"" >> $(CONFIG_HS)
	@echo "cDEFAULT_TMPDIR       = \"$(DEFAULT_TMPDIR)\"" >> $(CONFIG_HS)
	@echo done.

CLEAN_FILES += $(CONFIG_HS)
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# -----------------------------------------------------------------------------
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# 		Set SRCS, HCS, OBJS
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#
# First figure out DIRS, the source sub-directories
# Then derive SRCS by looking in them
#
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DIRS = \
  utils basicTypes types hsSyn prelude rename typecheck deSugar coreSyn \
  specialise simplCore stranal stgSyn simplStg codeGen absCSyn main \
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  profiling parser usageSP cprAnalysis javaGen compMan
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ifeq ($(GhcWithNativeCodeGen),YES)
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DIRS += nativeGen
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else
SRC_HC_OPTS += -DOMIT_NATIVE_CODEGEN
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endif

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ifeq ($(GhcWithIlx),YES)
DIRS += ilxGen
SRC_HC_OPTS += -DILX
endif
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ifeq "$(BootingFromHc)" "YES"
# HC files are always from a self-booted compiler
ghc_411_at_least = 1
else
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ghc_411_at_least = $(shell expr "$(GhcVersion)" \>= 4.11)
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endif
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# Only include GHCi if we're bootstrapping with at least version 411
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ifeq "$(GhcWithInterpreter)" "YES"
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ifeq "$(ghc_411_at_least)" "1"
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SRC_HC_OPTS += -DGHCI
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DIRS += ghci
endif
endif
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# Enable code that assumes a MSDOSish subshell. See mk/config.mk.in
# for explanatory comment as to what this does.
ifeq "$(MinimalUnixDeps)" "YES"
SRC_HC_OPTS += -DMINIMAL_UNIX_DEPS
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ghc_501_at_least = $(shell expr "$(GhcVersion)" \> 5.00)
ifneq "$(ghc_501_at_least)" "1"
boot ::
	$(CP) ../lib/std/cbits/system.c main
C_SRCS += main/system.c
SRC_CC_OPTS += -I$(GHC_LIB_DIR)/std/cbits
SRC_MKDEPENDC_OPTS += -I$(GHC_LIB_DIR)/std/cbits
HS_OBJS += main/system.o
endif
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endif

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HS_SRCS := $(foreach dir,$(DIRS),$(wildcard $(dir)/*.lhs) $(wildcard $(dir)/*.hs))
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HS_SRCS := $(filter-out rename/ParseIface.hs parser/Parser.hs main/ParsePkgConf.hs $(CONFIG_HS), $(HS_SRCS))
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HS_SRCS += $(CONFIG_HS)
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ifneq "$(BootingFromHc)" "YES"
HS_SRCS += rename/ParseIface.hs parser/Parser.hs main/ParsePkgConf.hs
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endif
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HCS      = $(patsubst %.lhs, %.hc, $(patsubst %.hs, %.hc, $(HS_SRCS)))

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ifeq "$(BootingFromHc)" "YES"
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HCS	+= rename/ParseIface.hc parser/Parser.hc main/ParsePkgConf.hc
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endif
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HS_OBJS = \
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  $(patsubst %.hc, %.o, $(HCS)) \
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  parser/hschooks.o
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DESTDIR       = $(INSTALL_LIBRARY_DIR_GHC)
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#
# Add misc .c helper code (used by the frontend.)
#
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C_SRCS += parser/hschooks.c
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#
# Big Fudge to get around inherent problem that Makefile setup
# has got with 'mkdependC'.
# 
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SRC_MKDEPENDC_OPTS += -D__GLASGOW_HASKELL__=$(ProjectVersionInt) -I$(GHC_INCLUDES)
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# -----------------------------------------------------------------------------
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# 		Haskell compilations
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#
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# Compiler to use for building ghc, use the build tree
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# driver when booting.
#
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HC=$(GHC)
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#
# Use GHC for compiling C bits
#
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ifeq "$(BootingFromHc)" "YES"
SRC_CC_OPTS += -D__GLASGOW_HASKELL__=$(ProjectVersionInt)
else
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CC = $(HC)
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CC_OPTS := $(addprefix -optc, $(CC_OPTS))
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endif
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# magic from GNU make manual to convert a list of values
# into a colon-separated list
empty:=
space:= $(empty) $(empty)

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SRC_HC_OPTS += \
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  -cpp -fglasgow-exts -Rghc-timing \
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  -I. -IcodeGen -InativeGen -Iparser \
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  -i$(subst $(space),:,$(DIRS)) 
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# We should do this, to avoid the use of an explicit path
# 	in GHC source files (include "../includes/config.h"
# But alas GHC 4.08 (and others for all I know) uses this very
# same include path when compiling the .hc files it generates.
# Disaster!  Then the hc file sees the GHC 5.02 (or whatever)
# include files.   For the moment we've reverted to using
# an explicit path in the .hs sources
#  -I$(GHC_INCLUDE_DIR) \

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ifneq "$(mingw32_TARGET_OS)" "1"
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SRC_HC_OPTS += -package concurrent -package posix -package text -package util
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else
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SRC_HC_OPTS += -package concurrent -package text -package util
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endif

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SRC_CC_OPTS += -Iparser -I. -I$(TOP)/includes -O
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SRC_HC_OPTS += -recomp $(GhcHcOpts)
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SRC_HC_OPTS += -H16m
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# 	Special flags for particular modules
#	The standard suffix rule for compiling a Haskell file
#	adds these flags to the command line

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# not sure if this is required --SDM
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main/Main_HC_OPTS 		= -fvia-C
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prelude/PrimOp_HC_OPTS 		= -no-recomp -H80m
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# because the NCG can't handle the 64-bit math in here
prelude/PrelRules_HC_OPTS	= -fvia-C
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rename/ParseIface_HC_OPTS 	+= -Onot -H45m -fno-warn-incomplete-patterns
parser/Parser_HC_OPTS 		+= -Onot -fno-warn-incomplete-patterns
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main/ParsePkgConf_HC_OPTS	+= -fno-warn-incomplete-patterns
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# The latest GHC version doesn't have a -K option yet, and it doesn't
# seem to be necessary anymore for the modules below.
ifeq "$(ghc_411_at_least)" "0"
rename/ParseIface_HC_OPTS 	+= -K2m
parser/Parser_HC_OPTS 		+= -K2m
endif
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ifeq "$(TARGETPLATFORM)" "hppa1.1-hp-hpux9"
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rename/RnMonad_HC_OPTS 		=  -O2 -O2-for-C
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endif
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utils/StringBuffer_HC_OPTS	= -fvia-C -fno-prune-tydecls
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utils/Digraph_HC_OPTS		= -fglasgow-exts 
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# flags for PrimPacked:
#
# -monly-3-regs 
#	because it contains a 'ccall strlen', which gets inlined by
# 	gcc, causing a lack of registers.
#
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utils/PrimPacked_HC_OPTS	= -fvia-C -monly-3-regs
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# ByteCodeItbls uses primops that the NCG doesn't support yet.
ghci/ByteCodeItbls_HC_OPTS	= -fvia-C
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ghci/ByteCodeLink_HC_OPTS	= -fvia-C
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# CSE interacts badly with top-level IORefs (reportedly in DriverState and
# DriverMkDepend), causing some of them to be commoned up.  We have a fix for
# this in 5.00+, but earlier versions of the compiler will need CSE turned off.
# To be on the safe side, we disable CSE in *all* modules with top-level IORefs.
compMan/CompManager_HC_OPTS	= -fno-cse
ghci/InteractiveUI_HC_OPTS	= -fno-cse
main/CmdLineOpts_HC_OPTS	= -fno-cse
main/DriverFlags_HC_OPTS	= -fno-cse
main/DriverMkDepend_HC_OPTS	= -fno-cse
main/DriverPipeline_HC_OPTS	= -fno-cse
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main/DriverState_HC_OPTS	= -fno-cse
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main/DriverUtil_HC_OPTS		= -fno-cse
main/Finder_HC_OPTS		= -fno-cse
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main/SysTools_HC_OPTS		= -fno-cse
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# ----------------------------------------------------------------------------
#		C compilations

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SRC_C_OPTS     += -O -I. -IcodeGen
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# ----------------------------------------------------------------------------
#		Generate supporting stuff for prelude/PrimOp.lhs 
#		from prelude/primops.txt

GENPOC=$(TOP)/utils/genprimopcode/genprimopcode

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PRIMOP_BITS=primop-data-decl.hs-incl \
            primop-tag.hs-incl  \
            primop-list.hs-incl  \
            primop-has-side-effects.hs-incl  \
            primop-out-of-line.hs-incl  \
            primop-commutable.hs-incl  \
            primop-needs-wrapper.hs-incl  \
            primop-can-fail.hs-incl  \
            primop-strictness.hs-incl  \
            primop-usage.hs-incl  \
            primop-primop-info.hs-incl

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ifneq "$(BootingFromHc)" "YES"
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prelude/PrimOp.lhs prelude/PrimOp.o: $(PRIMOP_BITS)
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endif
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ifneq "$(BootingFromHc)" "YES"
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depend :: $(PRIMOP_BITS)
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endif
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primop-data-decl.hs-incl: prelude/primops.txt
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	$(GENPOC) --data-decl          < $< > $@
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primop-tag.hs-incl: prelude/primops.txt
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	$(GENPOC) --primop-tag         < $< > $@
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primop-list.hs-incl: prelude/primops.txt
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	$(GENPOC) --primop-list        < $< > $@
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primop-has-side-effects.hs-incl: prelude/primops.txt
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	$(GENPOC) --has-side-effects   < $< > $@
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primop-out-of-line.hs-incl: prelude/primops.txt
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	$(GENPOC) --out-of-line        < $< > $@
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primop-commutable.hs-incl: prelude/primops.txt
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	$(GENPOC) --commutable         < $< > $@
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primop-needs-wrapper.hs-incl: prelude/primops.txt
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	$(GENPOC) --needs-wrapper      < $< > $@
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primop-can-fail.hs-incl: prelude/primops.txt
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	$(GENPOC) --can-fail           < $< > $@
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primop-strictness.hs-incl: prelude/primops.txt
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	$(GENPOC) --strictness         < $< > $@
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primop-usage.hs-incl: prelude/primops.txt
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	$(GENPOC) --usage              < $< > $@
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primop-primop-info.hs-incl: prelude/primops.txt
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	$(GENPOC) --primop-primop-info < $< > $@
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# ----------------------------------------------------------------------------
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#		Parsers/lexers
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SRC_HAPPY_OPTS += +RTS -K2m -H16m -RTS  $(GHC_HAPPY_OPTS)
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#-----------------------------------------------------------------------------
# 		Linking

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SRC_LD_OPTS += -no-link-chk 
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# -----------------------------------------------------------------------------
# create ghc-inplace, a convenient way to run ghc from the build tree...

all :: ghc-inplace

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ghc-inplace : $(HS_PROG)
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	@$(RM) $@
	echo '#!/bin/sh' >>$@
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	echo exec $(FPTOOLS_TOP_ABS_UNIX)/ghc/compiler/$(HS_PROG) -B$(FPTOOLS_TOP_ABS)/ghc/compiler '"$$@"' >>$@
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	chmod 755 $@
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ifeq "$(TARGETPLATFORM) and $(MinimalUnixDeps)" "i386-unknown-mingw32 and YES"
	@$(RM) $@.bat
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	echo "@"$(subst /,\\,$(FPTOOLS_TOP_ABS)/ghc/compiler/$(HS_PROG)) "-B$(FPTOOLS_TOP_ABS)/ghc/compiler %*" >$@.bat
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	chmod 755 $@.bat
endif
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CLEAN_FILES += ghc-inplace

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#-----------------------------------------------------------------------------
# 		install

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# We don't want ghc treated as an ordinary executable,
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# but put it together with the libraries.
# Also don't want any interface files intstalled

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INSTALL_LIBEXECS += $(HS_PROG)
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#-----------------------------------------------------------------------------
# 		clean

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CLEAN_FILES += $(wildcard */*.$(way_)o */*.$(way_)hi)
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CLEAN_FILES += $(PRIMOP_BITS)
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# Extra tidy, remove the .hc files (if you've got them).
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MAINTAINER_CLEAN_FILES += $(wildcard */*.hc) \
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	parser/Parser.info rename/ParseIface.info main/ParsePkgConf.info \
	parser/Parser.hs rename/ParseIface.hs main/ParsePkgConf.hs
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#-----------------------------------------------------------------------------
# 		Include target-rule boilerplate

include $(TOP)/mk/target.mk