config.mk.in 27.8 KB
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#								 -*-makefile-*-
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# @configure_input@
#
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################################################################################
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#
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# config.mk.in
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#
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# This file supplies defaults for many tweakable build configuration
# options.  Some of the defaults are filled in by the autoconf-generated
# configure script.
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#
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# DO NOT EDIT THIS FILE!
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#
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# 	- config.mk is auto-generated from config.mk.in by configure.
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#	  If you edit config.mk your changes will be spammed.
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#
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#	- Settings in this file may be overriden by giving replacement
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#	  definitions in build.mk.  See build.mk.sample for a good
#	  starting point for a build.mk file.
#
#	  If you don't have a build.mk file then you get defaults for everything.
#	  The defaults should provide a reasonable vanilla build.
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# TOP: the top of the fptools hierarchy, absolute path.
# On Windows this is a c:/foo/bar style path.
TOP		= @hardtop@
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include $(TOP)/mk/project.mk
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################################################################################
#
#		Global configuration options
#
################################################################################

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# BootingFromHc - build GHC and the libraries from .hc files?
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# (unregisterised only)
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BootingFromHc = @BootingFromHc@

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NO_INCLUDE_DEPS = NO
NO_INCLUDE_PKGDATA = NO

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# Should we build latex docs?
LATEX_DOCS = NO

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# Mac OS X deployment target (to cross-compile for older OS versions)
#
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MACOSX_DEPLOYMENT_VERSION = @MACOSX_DEPLOYMENT_VERSION@
MACOSX_DEPLOYMENT_SDK = @MACOSX_DEPLOYMENT_SDK@

ifneq "$(MACOSX_DEPLOYMENT_VERSION)" ""
MACOSX_DEPLOYMENT_CC_OPTS = -mmacosx-version-min=$(MACOSX_DEPLOYMENT_VERSION) \
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			    -isysroot $(MACOSX_DEPLOYMENT_SDK) \
			    --no-builtin-fprintf
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MACOSX_DEPLOYMENT_LD_OPTS = -mmacosx-version-min=$(MACOSX_DEPLOYMENT_VERSION) \
			    -Wl,-syslibroot,$(MACOSX_DEPLOYMENT_SDK)
# We don't extend SRC_CC_OPTS and friends here directly, as (a) they may get
# overwritten in build.mk and (b) we must not use the deployment options in
# stage 1 or we get a linker error if the bootstrap compiler is for a more 
# recent OS version.
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#
# We need --no-builtin-fprintf, as the use of the builtin function optimisation
# for fprintf together with #include "PosixSource" in the RTS leads to the
# use of fwrite$UNIX2003 (with GCC 4.0.1 on Mac OS X 10.5.2).
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endif
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################################################################################
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#
# Variables that control how the compiler itself is built
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#
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################################################################################
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# The compiler used to build GHC is $(GHC).  To change the actual compiler
# used, re-configure with --with-ghc=<path-to-ghc>.
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# Extra ways in which to build the compiler (for example, you might want to
# build a profiled compiler so you can see where it spends its time)
GhcCompilerWays=

# Extra option flags to pass to the compiler that compiles the compiler
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# (Ones that are essential are wired into compiler/Makefile)
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# Typical options to use here:
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#
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#	-DDEBUG		include debugging code and assertions (will make the
#			compiler slower and produce debugging output, but useful
#			for development)
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#
#	-dcore-lint	check the types after every pass of the compiler;
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#			a pretty strong internal check of the compiler being
#			used to compile GHC.  Useful when bootstrapping.
GhcHcOpts=-Rghc-timing

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# Extra options added to specific stages of the compiler bootstrap.
# These are placed later on the command line, and may therefore
# override options from $(GhcHcOpts).
GhcStage1HcOpts=
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GhcStage2HcOpts=-O2
GhcStage3HcOpts=-O2
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# These options modify whether or not a built compiler for a bootstrap
# stage defaults to using the new code generation path.  The new
# code generation path is a bit slower, so for development just
# GhcStage2DefaultNewCodegen=YES, but it's also a good idea to try
# building all libraries and the stage2 compiler with the
# new code generator, which involves GhcStage1DefaultNewCodegen=YES.
GhcStage1DefaultNewCodegen=NO
GhcStage2DefaultNewCodegen=NO
GhcStage3DefaultNewCodegen=NO

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GhcDebugged=NO
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GhcDynamic=NO
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# GhcProfiled=YES means compile a profiled stage-2 compiler
GhcProfiled=NO
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# Do we support shared libs?
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SharedLibsPlatformList = i386-unknown-linux x86_64-unknown-linux \
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	i386-unknown-freebsd x86_64-unknown-freebsd \
	i386-unknown-openbsd x86_64-unknown-openbsd \
	i386-unknown-mingw32 \
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	i386-apple-darwin powerpc-apple-darwin

ifeq ($(SOLARIS_BROKEN_SHLD), NO)
SharedLibsPlatformList := $(SharedLibsPlatformList) i386-unknown-solaris2
endif

PlatformSupportsSharedLibs = $(if $(filter $(TARGETPLATFORM),\
	$(SharedLibsPlatformList)),YES,NO)
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# Build a compiler that will build *unregisterised* libraries and
# binaries by default.  Unregisterised code is supposed to compile and
# run without any support for architecture-specific assembly mangling,
# register assignment or tail-calls, and is therefore a good way to get
# started when porting GHC to new architectures.
#
# If this is set to NO, you can still use the unregisterised way
# (way 'u') to get unregisterised code, but the default way will be
# registerised.
#
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# NOTE: the stage1 compiler will be a registerised binary (assuming
# the compiler you build with is generating registerised binaries), but
# the stage2 compiler will be an unregisterised binary.
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#
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ifneq "$(findstring $(HostArch_CPP), alpha hppa)" ""
GhcUnregisterised=YES
else
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GhcUnregisterised=NO
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endif
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# Build a compiler with a native code generator backend
# (as well as a C backend)
#
# Target platforms supported:
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#   i386, powerpc
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#   AIX is not supported 
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ArchSupportsNCG=$(strip $(patsubst $(HostArch_CPP), YES, $(findstring $(HostArch_CPP), i386 x86_64 powerpc sparc)))
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OsSupportsNCG=$(strip $(patsubst $(HostOS_CPP), YES, $(patsubst aix,,$(HostOS_CPP))))

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# lazy test, because $(GhcUnregisterised) might be set in build.mk later.
GhcWithNativeCodeGen=$(strip\
    $(if $(filter YESYESNO,\
		  $(OsSupportsNCG)$(ArchSupportsNCG)$(GhcUnregisterised)),YES,NO))
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HaveLibDL = @HaveLibDL@

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# ArchSupportsSMP should be set iff there is support for that arch in
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# includes/stg/SMP.h
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ArchSupportsSMP=$(strip $(patsubst $(HostArch_CPP), YES, $(findstring $(HostArch_CPP), i386 x86_64 sparc powerpc)))
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# lazy test, because $(GhcUnregisterised) might be set in build.mk later.
GhcWithSMP=$(strip $(if $(filter YESNO, $(ArchSupportsSMP)$(GhcUnregisterised)),YES,NO))
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# Whether to include GHCi in the compiler.  Depends on whether the RTS linker
# has support for this OS/ARCH combination.
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OsSupportsGHCi=$(strip $(patsubst $(HostOS_CPP), YES, $(findstring $(HostOS_CPP), mingw32 cygwin32 linux solaris2 freebsd dragonfly netbsd openbsd darwin)))
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ArchSupportsGHCi=$(strip $(patsubst $(HostArch_CPP), YES, $(findstring $(HostArch_CPP), i386 x86_64 powerpc sparc sparc64)))
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ifeq "$(OsSupportsGHCi)$(ArchSupportsGHCi)" "YESYES"
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GhcWithInterpreter=YES
else 
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GhcWithInterpreter=NO
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endif
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# GhcEnableTablesNextToCode tells us whether the target architecture
# supports placing info tables directly before the entry code
# (see TABLES_NEXT_TO_CODE in the RTS).  Whether we actually compile for
# TABLES_NEXT_TO_CODE depends on whether we're building unregisterised
# code or not, which may be decided by options to the compiler later.
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ifneq "$(findstring $(TargetArch_CPP)X, ia64X powerpc64X)" ""
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GhcEnableTablesNextToCode=NO
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else
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GhcEnableTablesNextToCode=YES
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endif

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# Whether to use libffi for adjustors (foreign import "wrapper") or
# not.  If we have built-in support (rts/Adjustor.c) then we use that,
# otherwise we fall back on libffi, which is slightly slower.
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ArchHasAdjustorSupport = $(if $(findstring $(HostArch_CPP),i386 x86_64),YES,NO)
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ifeq "$(ArchHasAdjustorSupport)" "YES"
UseLibFFIForAdjustors=NO
else
UseLibFFIForAdjustors=YES
endif

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# On Windows we normally want to make a relocatable bindist, to we
# ignore flags like libdir
ifeq "$(Windows)" "YES"
RelocatableBuild = YES
else
RelocatableBuild = NO
endif

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# needs to be after $(RelocatableBuild) is set above
include $(TOP)/mk/install.mk

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# When building bindists we set this to yes so that the binaries are as
# portable as possible.
BeConservative = NO

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#
# Building various ways?
# (right now, empty if not).
BuildingParallel=$(subst mp,YES,$(filter mp,$(WAYS)))
BuildingGranSim=$(subst mg,YES,$(filter mg,$(WAYS)))
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#------------------------------------------------------------------------------
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# Options for Libraries
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# Which directory (in libraries/) contains the integer library?
INTEGER_LIBRARY=integer-gmp

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# We build the libraries at least the "vanilla" way (way "v")
GhcLibWays = v

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# In addition to the normal sequential way, the default is to also build
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# profiled prelude libraries unless we are booting from .hc files
ifneq "$(BootingFromHc)" "YES"
GhcLibWays += p
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endif
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ifeq "$(PlatformSupportsSharedLibs)" "YES"
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GhcLibWays += dyn
endif

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# Handy way to test whether we're building shared libs or not.
BuildSharedLibs=$(strip $(if $(findstring dyn,$(GhcLibWays)),YES,NO))

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# In addition, the RTS is built in some further variations.  Ways that
# make sense here:
# 
#   thr         : threaded
#   thr_p       : threaded profiled
#   debug       : debugging (compile with -g for the C compiler, and -DDEBUG)
#   debug_p     : debugging profiled
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#   thr_debug   : debugging threaded
#   thr_debug_p : debugging threaded profiled
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#   l           : event logging
#   thr_l       : threaded and event logging
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#
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GhcRTSWays=l
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# Usually want the debug version
ifeq "$(BootingFromHc)" "NO"
GhcRTSWays += debug 
endif

# Want the threaded versions unless we're unregisterised
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# Defer the check until later by using $(if..), because GhcUnregisterised might
# be set in build.mk, which hasn't been read yet.
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GhcRTSWays += $(if $(findstring NO, $(GhcUnregisterised)),thr thr_debug thr_l,)
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GhcRTSWays += $(if $(findstring p, $(GhcLibWays)),$(if $(findstring NO, $(GhcUnregisterised)),thr_p,),)
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GhcRTSWays += $(if $(findstring dyn, $(GhcLibWays)), dyn debug_dyn $(if $(findstring NO, $(GhcUnregisterised)),thr_dyn thr_debug_dyn),)
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# We can only build GHCi threaded if we have a threaded RTS:
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GhcThreaded = $(if $(findstring thr,$(GhcRTSWays)),YES,NO)
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# Option flags to pass to GHC when it's compiling modules in
# fptools/libraries.  Typically these are things like -O or
# -dcore-lint or -H32m.  The ones that are *essential* are wired into
# the build system.
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#
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# 	-O(2) is pretty desirable, otherwise no inlining of prelude
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#		things (incl "+") happens when compiling with this compiler
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#
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#	-XGenerics switches on generation of support code for 
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#		derivable type classes.  This is now off by default,
#		but we switch it on for the libraries so that we generate
#		the code in case someone importing wants it
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GhcLibHcOpts=-O2 -XGenerics
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# Strip local symbols from libraries?  This can make the libraries smaller,
# but makes debugging somewhat more difficult.  Doesn't work with all ld's.
#
StripLibraries=NO

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# These are the URL patterns that Haddock uses to generate the "Source
# File" links on each page.
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PackageSourceURL = http://darcs.haskell.org/packages/$(PACKAGE)/%{FILE}
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# ----------------------------------------------------------------------------
# Object-file splitting
#
# 	Set SplitObjs=YES or NO in your build.mk
#
#	Don't use -split-objs in in GhcLibHcOpts, because the build
#		system needs to do other special magic if you are
#		doing object-file splitting

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ArchSupportsSplitObjs=$(strip $(if $(filter $(TargetArch_CPP),i386 x86_64 powerpc sparc),YES,NO))
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OsSupportsSplitObjs=$(strip $(if $(filter $(TargetOS_CPP),mingw32 cygwin32 linux darwin solaris2 freebsd dragonfly netbsd openbsd),YES,NO))
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SplitObjsBroken = @SplitObjsBroken@
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# lazy test, so that $(GhcUnregisterised) can be set in build.mk
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SupportsSplitObjs=$(strip \
                    $(if $(and $(filter YES,$(ArchSupportsSplitObjs)),\
                               $(filter YES,$(OsSupportsSplitObjs)),\
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                               $(filter NO,$(SplitObjsBroken)),\
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                               $(filter NO,$(BootingFromHc)),\
                               $(filter NO,$(GhcUnregisterised))),\
                          YES,NO))
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# By default, enable SplitObjs for the libraries if this build supports it
SplitObjs=$(SupportsSplitObjs)
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# ----------------------------------------------------------------------------
# Package-related things

# Extra packages to add to the build, in dependency order
EXTRA_PACKAGES =

# Whether to install $(EXTRA_PACKAGES)
InstallExtraPackages = NO

# Run "ghc-pkg check" on each package
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CHECK_PACKAGES = NO

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# ----------------------------------------------------------------------------
# Options for GHC's RTS
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# For an optimised RTS (you probably don't want to change these; we build
# a debugging RTS by default now.  Use -debug to get it).
GhcRtsHcOpts=-optc-O2
GhcRtsCcOpts=-fomit-frame-pointer
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# Include the front panel code?  Needs GTK+.
GhcRtsWithFrontPanel = NO
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# Include support for CPU performance counters via the PAPI library in the RTS?
# (PAPI: http://icl.cs.utk.edu/papi/)
GhcRtsWithPapi = NO
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PapiLibDir=
PapiIncludeDir=
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################################################################################
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#
#		Paths (see paths.mk)
#
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################################################################################
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# Directory used by GHC (and possibly other tools) for storing
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# temporary files.  If your TMPDIR isn't big enough, either override
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# this in build.mk or set your environment variable "TMPDIR" to point
# to somewhere with more space.  (TMPDIR=. is a good choice).

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# DEFAULT_TMPDIR isn't called TMPDIR because GNU make tends to
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# override an environment variable with the value of the make variable
# of the same name (if it exists) when executing sub-processes, so
# setting the TMPDIR env var would have no effect in the build tree.
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DEFAULT_TMPDIR		= /tmp
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ifeq "$(TARGETPLATFORM)" "i386-unknown-cygwin32"
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DEFAULT_TMPDIR		= /C/TEMP
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endif
ifeq "$(TARGETPLATFORM)" "i386-unknown-mingw32"
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DEFAULT_TMPDIR		= /C/TEMP
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endif
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BIN_DIST_NAME         = ghc-$(ProjectVersion)
BIN_DIST_PREP_DIR     = bindistprep/$(BIN_DIST_NAME)
BIN_DIST_PREP_TAR     = bindistprep/$(BIN_DIST_NAME)-$(TARGETPLATFORM).tar
BIN_DIST_PREP_TAR_BZ2 = $(BIN_DIST_PREP_TAR).bz2
BIN_DIST_TAR_BZ2      = $(BIN_DIST_NAME)-$(TARGETPLATFORM).tar.bz2
BIN_DIST_LIST         = bindist-list
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WINDOWS_INSTALLER_BASE = ghc-$(ProjectVersion)-i386-windows
WINDOWS_INSTALLER = $(WINDOWS_INSTALLER_BASE)$(exeext)

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# -----------------------------------------------------------------------------
# Utilities programs: flags 
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# If you want to give any standard flags to pretty much any utility
# (see utils.mk for a complete list), by adding a line here
#
# 	SRC_P_OPTS += ...
#
# where P is the utility. For example, to add -O to all Haskell
# compilations, 
#
#	SRC_HC_OPTS += -O

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# SRC_HC_OPTS includes flags to be added to *every* Haskell
# compilation.  Setting SRC_HC_OPTS is a good way to set the default
# optimisation level (-O) and heap size (-H<size>).
# 
# SRC_HC_OPTS is *not* for adding flags that are required to make your
# build work.  Examples:
#
#  - instead of using -pgmc/-pgma-/-pgml, use the --with-gcc option to configure
#
#  - if you need -optc, -opta, or -optl flags, the CONF_CC_* and CONF_LD_*
#    variables are more appropriate (set via configure)
#
# Note that SRC_HC_OPTS are added to every Haskell compilation,
# including when using the bootstrapping compiler (stage 0), So don't
# put options here that are only supported by very recent GHCs.
#
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SRC_HC_OPTS += -H32m -O
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# These flags make flex 8-bit
SRC_FLEX_OPTS	+= -8

# Default fptools options for dllwrap.
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SRC_BLD_DLL_OPTS += --target=i386-mingw32
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# Flags for CPP when running GreenCard on .pgc files
GC_CPP_OPTS += -P -E -x c -traditional -D__GLASGOW_HASKELL__

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# -----------------------------------------------------------------------------
# Names of programs in the GHC tree
#
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#      xxx_PGM          the name of an executable, without the path
#      xxx              the executable relative to the current dir

GHC_UNLIT_PGM           = unlit$(exeext)
GHC_HP2PS_PGM           = hp2ps$(exeext)
GHC_GHCTAGS_PGM         = ghctags$(exeext)
GHC_HSC2HS_PGM          = hsc2hs$(exeext)
GHC_TOUCHY_PGM          = touchy$(exeext)
GHC_SPLIT_PGM           = ghc-split
GHC_SYSMAN_PGM          = SysMan
GHC_GENPRIMOP_PGM       = genprimopcode$(exeext)
GHC_GENAPPLY_PGM        = genapply$(exeext)
GHC_CABAL_PGM           = ghc-cabal$(exeext)
GHC_PKG_PGM             = ghc-pkg$(exeext)
GHC_LTX_PGM             = ltx$(exeext)
GHC_MKDIRHIER_PGM       = mkdirhier
GHC_LNDIR_PGM           = lndir
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ifeq "$(TARGETPLATFORM)" "i386-unknown-mingw32"
GHC_CP			= "xcopy /y"
GHC_PERL		= perl
else
GHC_CP			= $(CP)
GHC_PERL		= $(PERL)
endif
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HP2PS			= $(GHC_HP2PS_DIR)/$(GHC_HP2PS_PGM)
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SPLIT			= $(INPLACE_LIB)/$(GHC_SPLIT_PGM)
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SYSMAN 			= $(GHC_SYSMAN_DIR)/$(GHC_SYSMAN_PGM)
LTX 			= $(GHC_LTX_DIR)/$(GHC_LTX_PGM)
LNDIR			= $(GHC_LNDIR_DIR)/$(GHC_LNDIR_PGM)
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UNLIT			= $(INPLACE_LIB)/$(GHC_UNLIT_PGM)
TOUCHY                  = $(INPLACE_LIB)/$(GHC_TOUCHY_PGM)
MKDIRHIER		= $(INPLACE_BIN)/$(GHC_MKDIRHIER_PGM)
GHC_CABAL_INPLACE	= $(INPLACE_BIN)/$(GHC_CABAL_PGM)
GENAPPLY_INPLACE	= $(INPLACE_BIN)/$(GHC_GENAPPLY_PGM)
GHC_PKG_INPLACE		= $(INPLACE_BIN)/$(GHC_PKG_PGM)
GHCTAGS_INPLACE		= $(INPLACE_BIN)/$(GHC_GHCTAGS_PGM)
HSC2HS_INPLACE		= $(INPLACE_BIN)/$(GHC_HSC2HS_PGM)
GENPRIMOP_INPLACE	= $(INPLACE_BIN)/$(GHC_GENPRIMOP_PGM)

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GENERATED_FILE  = chmod a-w
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EXECUTABLE_FILE = chmod +x
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#-----------------------------------------------------------------------------
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# Installed GHC
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# $(GHC) points to installed version of the compiler.
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#
# NOTE: Don't override $(GHC) in build.mk, use configure --with-ghc instead
# (because the version numbers have to be calculated).
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GHC := @WithGhc@
# If we have a make dependency on c:/ghc/ghc, and the file is actually
# called c:/ghc/ghc.exe, then make will think that ghc doesn't exist
# and that it doesn't know how to create it.
ifneq "$(wildcard $(GHC).exe)" ""
GHC := $(GHC).exe
endif

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# Sometimes we want to invoke ghc from the build tree in different
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# places (eg. it's handy to have a nofib & a ghc build in the same
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# tree).  We can refer to "this ghc" as $(GHC_INPLACE):
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GHC_INPLACE = $(GHC_STAGE1)
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GHC_STAGE0_ABS = $(GHC)
GHC_STAGE1_ABS = $(TOP)/$(INPLACE_BIN)/ghc-stage1$(exeext)
GHC_STAGE2_ABS = $(TOP)/$(INPLACE_BIN)/ghc-stage2$(exeext)
GHC_STAGE3_ABS = $(TOP)/$(INPLACE_BIN)/ghc-stage3$(exeext)
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GHC_STAGE0  = $(GHC)
GHC_STAGE1  = $(INPLACE_BIN)/ghc-stage1$(exeext)
GHC_STAGE2  = $(INPLACE_BIN)/ghc-stage2$(exeext)
GHC_STAGE3  = $(INPLACE_BIN)/ghc-stage3$(exeext)
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# Install stage 2 by default, can be changed to 3
INSTALL_GHC_STAGE=2
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BOOTSTRAPPING_CONF = libraries/bootstrapping.conf
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INPLACE_PACKAGE_CONF = $(INPLACE_LIB)/package.conf.d
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GhcVersion	= @GhcVersion@
GhcPatchLevel	= @GhcPatchLevel@
GhcMajVersion	= @GhcMajVersion@
GhcMinVersion	= @GhcMinVersion@

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# Keep this in sync with the variables in package-config.mk
ghc_ge_613 = @ghc_ge_613@
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# Canonicalised ghc version number, used for easy (integer) version
# comparisons.  We must expand $(GhcMinVersion) to two digits by
# adding a leading zero if necessary:
ifneq "$(findstring $(GhcMinVersion), 0 1 2 3 4 5 6 7 8 9)" ""
GhcCanonVersion = $(GhcMajVersion)0$(GhcMinVersion)
else
GhcCanonVersion = $(GhcMajVersion)$(GhcMinVersion)
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endif
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#-----------------------------------------------------------------------------
# C compiler
#
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# NB. Don't override $(WhatGccIsCalled) using build.mk,  re-configure using
# the flag --with-gcc=<blah> instead.  The reason is that the configure script
# needs to know which gcc you're using in order to perform its tests.

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WhatGccIsCalled = @WhatGccIsCalled@
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GccVersion      = @GccVersion@
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GccLT34         = @GccLT34@
CC              = $(WhatGccIsCalled)
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CC_STAGE0       = @CC_STAGE0@
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CC_STAGE1       = $(CC)
CC_STAGE2       = $(CC)
CC_STAGE3       = $(CC)
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AS              = $(WhatGccIsCalled)
AS_STAGE0       = @CC_STAGE0@
AS_STAGE1       = $(AS)
AS_STAGE2       = $(AS)
AS_STAGE3       = $(AS)
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# C compiler and linker flags from configure (e.g. -m<blah> to select
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# correct C compiler backend). The stage number is the stage of GHC
# that is being used to compile with.
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CONF_CC_OPTS_STAGE0 = @CONF_CC_OPTS_STAGE0@
CONF_CC_OPTS_STAGE1 = @CONF_CC_OPTS_STAGE1@
CONF_CC_OPTS_STAGE2 = @CONF_CC_OPTS_STAGE2@
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CONF_GCC_LINKER_OPTS_STAGE0 = @CONF_GCC_LINKER_OPTS_STAGE0@
CONF_GCC_LINKER_OPTS_STAGE1 = @CONF_GCC_LINKER_OPTS_STAGE1@
CONF_GCC_LINKER_OPTS_STAGE2 = @CONF_GCC_LINKER_OPTS_STAGE2@
CONF_LD_LINKER_OPTS_STAGE0 = @CONF_LD_LINKER_OPTS_STAGE0@
CONF_LD_LINKER_OPTS_STAGE1 = @CONF_LD_LINKER_OPTS_STAGE1@
CONF_LD_LINKER_OPTS_STAGE2 = @CONF_LD_LINKER_OPTS_STAGE2@
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CONF_CPP_OPTS_STAGE0 = @CONF_CPP_OPTS_STAGE0@
CONF_CPP_OPTS_STAGE1 = @CONF_CPP_OPTS_STAGE1@
CONF_CPP_OPTS_STAGE2 = @CONF_CPP_OPTS_STAGE2@
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ifeq "$(TARGETPLATFORM)" "ia64-unknown-linux"
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CONF_CC_OPTS += -G0
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endif

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# The .hsc files aren't currently safe for cross-compilation on Windows:
#     libraries\haskeline\.\System\Console\Haskeline\Backend\Win32.hsc:160
#     directive "let" is not safe for cross-compilation
ifneq "$(Windows)" "YES"
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SRC_HSC2HS_OPTS += --cross-safe
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endif
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SRC_HSC2HS_OPTS += $(addprefix --cflag=,$(filter-out -O,$(SRC_CC_OPTS) $(CONF_CC_OPTS_STAGE0)))
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SRC_HSC2HS_OPTS += $(foreach d,$(GMP_INCLUDE_DIRS),-I$(d))
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#-----------------------------------------------------------------------------
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# Mingwex Library
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#
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HaveLibMingwEx	= @HaveLibMingwEx@
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DLLTOOL			= inplace/mingw/bin/dlltool.exe
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#-----------------------------------------------------------------------------
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# Flex (currently unused, could be moved to glafp-utils)
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# FLEX			= @LEX@
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# Don't bother with -lfl, we define our own yywrap()s anyway.
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# FLEX_LIB		= 
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#WAS:FLEX_LIB		= @LEXLIB@
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#-----------------------------------------------------------------------------
# Other standard (ha!) Unix utilities

AR			= @ArCmd@
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AR_OPTS			= @ArArgs@
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ArSupportsAtFile = @ArSupportsAtFile@
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AR_STAGE0 = $(AR)
AR_STAGE1 = $(AR)
AR_STAGE2 = $(AR)
AR_STAGE3 = $(AR)
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AR_OPTS_STAGE0 = $(AR_OPTS)
AR_OPTS_STAGE1 = $(AR_OPTS)
AR_OPTS_STAGE2 = $(AR_OPTS)
AR_OPTS_STAGE3 = $(AR_OPTS)
EXTRA_AR_ARGS_STAGE0 = $(EXTRA_AR_ARGS)
EXTRA_AR_ARGS_STAGE1 = $(EXTRA_AR_ARGS)
EXTRA_AR_ARGS_STAGE2 = $(EXTRA_AR_ARGS)
EXTRA_AR_ARGS_STAGE3 = $(EXTRA_AR_ARGS)
ArSupportsAtFile_STAGE0 = $(ArSupportsAtFile)
ArSupportsAtFile_STAGE1 = $(ArSupportsAtFile)
ArSupportsAtFile_STAGE2 = $(ArSupportsAtFile)
ArSupportsAtFile_STAGE3 = $(ArSupportsAtFile)
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CONTEXT_DIFF		= @ContextDiffCmd@
CP			= cp
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# It's not easy to separate the CPP program from its flags, as
# AC_PROG_CPP defines CPP as "/usr/bin/gcc -E"
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CPP			= @CPP@ @CPPFLAGS@
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CTAGS 			= $(ETAGS)
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#
# RAWCPP_FLAGS are the flags to give to cpp (viz, gcc -E) to persuade it to
# behave plausibly on Haskell sources.
#
RAWCPP_FLAGS            = -undef -traditional
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FIND			= @FindCmd@
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SORT		        = @SortCmd@
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#
# Sigh - the autoconf macro for INSTALL will subst a relative path to the fallback
# install-sh script (if chosen). This not terribly useful to us, so we convert
# it into an abs. path.
# 
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INSTALL			= @INSTALL@
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INSTALL			:= $(subst .././install-sh,$(TOP)/install-sh,$(INSTALL))
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LATEX			= latex
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PDFLATEX                = pdflatex
BIBTEX                  = bibtex
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LN_S			= @LN_S@
MV			= mv
NROFF			= nroff
PERL 			= @PerlCmd@
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PYTHON			= @PythonCmd@
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PIC			= pic
RANLIB			= @RANLIB@
SED			= @SedCmd@
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TR 			= tr
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SHELL			= /bin/sh
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HaveDtrace		= @HaveDtrace@
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USE_DTRACE = $(HaveDtrace)
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DTRACE			= @DtraceCmd@

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LD = @LdCmd@
NM = @NmCmd@
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# Some ld's support the -x flag and some don't, so the configure
# script detects which we have and sets LdXFlag to "-x" or ""
# respectively.
LD_X			= @LdXFlag@

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# GNU ld supports input via a linker script, which is useful to avoid
# overflowing command-line length limits.
LdIsGNULd		= @LdIsGNULd@

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# Set to YES if ld has the --build-id flag.  Sometimes we need to
# disable it with --build-id=none.
LdHasBuildId	        = @LdHasBuildId@

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# On MSYS, building with SplitObjs=YES fails with 
#   ar: Bad file number
# see #3201.  We need to specify a smaller max command-line size
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# to work around it.  32767 doesn't work; 30000 does, but says
#     xargs: value for -s option should be < 28153
# so we now use 20000 to be comfortably below this bound
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XARGS = xargs
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ifeq "$(Windows)" "YES"
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XARGS_OPTS = -s 20000
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endif

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#
# In emergency situations, REAL_SHELL is used to perform shell commands
# from within the ghc driver script, by scribbling the command line to
# a temp file and then having $(REAL_SHELL) execute it. 
#
# The reason for having to do this is that overly long command lines
# cause unnecessary trouble with some shells (e.g., /bin/sh on Solaris
# 2.5.1), which is why this backdoor is provided. The situation of overly
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# long command lines is either encountered while doing `make boot' in compiler/, 
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# or when linking the compiler binary (`hsc'). 
#
# We do not use SHELL to execute long commands, as `make' will more than likely
# override whatever setting you have in your environment while executing. 

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# By default, REAL_SHELL is set equal to SHELL, which is not really a smart move
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# as it is SHELL that will show up the bogosity in the first place, but setting
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# it to anything else isn't really portable.
#
#  ====> If long command lines cause you trouble, invoke `ghc' (via `make' or otherwise)
# with REAL_SHELL set to something else than /bin/sh, for instance, your favourite
# command shell.
#
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REAL_SHELL     = $(SHELL)

STRIP_CMD      = strip
PATCH_CMD      = @PatchCmd@
TAR_CMD        = @TarCmd@
BZIP2_CMD      = bzip2
GZIP_CMD       = gzip
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HSCOLOUR_CMD   = @HSCOLOUR@
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TIME_CMD       = @TimeCmd@
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# GTK+
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GTK_CONFIG_CMD = @GTK_CONFIG@
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# Set this if you want to use Inno Setup to build a Windows installer
# when you make a bindist
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ISCC_CMD       =
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#-----------------------------------------------------------------------------
# DocBook XML stuff

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BUILD_DOCBOOK_HTML       = @BUILD_DOCBOOK_HTML@
BUILD_DOCBOOK_PS         = @BUILD_DOCBOOK_PS@
BUILD_DOCBOOK_PDF        = @BUILD_DOCBOOK_PDF@
DBLATEX                  = @DblatexCmd@
XSLTPROC                 = @XsltprocCmd@
XMLLINT                  = @XmllintCmd@
HAVE_DOCBOOK_XSL	 = @HAVE_DOCBOOK_XSL@
XSLTPROC_HTML_STYLESHEET = http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl
XSLTPROC_LABEL_OPTS	 = --stringparam toc.section.depth 3 \
			   --stringparam section.autolabel 1 \
			   --stringparam section.label.includes.component.label 1
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#-----------------------------------------------------------------------------
# 		FPtools support software

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BLD_DLL			= dllwrap

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#
# ghc-pkg
#
GHC_PKG		        = @GhcPkgCmd@

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#
# Happy
#
HAPPY			= @HappyCmd@
HAPPY_VERSION		= @HappyVersion@		
#
# Options to pass to Happy when we're going to compile the output with GHC
#
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SRC_HAPPY_OPTS		= -agc --strict
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#
# Alex
#
ALEX			= @AlexCmd@
ALEX_VERSION		= @AlexVersion@		
#
# Options to pass to Happy when we're going to compile the output with GHC
#
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SRC_ALEX_OPTS		= -g
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HSTAGS = @HstagsCmd@

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# Should we build haddock docs?
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HADDOCK_DOCS = YES
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# And HsColour the sources?
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ifeq "$(HSCOLOUR_CMD)" ""
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HSCOLOUR_SRCS = NO
else
HSCOLOUR_SRCS = YES
endif

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################################################################################
#
#		31-bit-Int Core files
#
################################################################################

# 
# It is possible to configure the compiler and prelude to support 31-bit
# integers, suitable for a back-end and RTS using a tag bit on a 32-bit
# architecture.  Currently the only useful output from this option is external Core
# files.  The following additions to your build.mk will produce the
# 31-bit core output.  Note that this is *not* just a library "way"; the
# compiler must be built a special way too.

# GhcCppOpts +=-DWORD_SIZE_IN_BITS=31
# GhcLibHcOpts +=-fext-core -fno-code -DWORD_SIZE_IN_BITS=31
# GhcLibCppOpts += -DWORD_SIZE_IN_BITS=31
# SplitObjs=NO

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################################################################################
#
#    Library configure arguments
#
################################################################################

CONFIGURE_ARGS = @CONFIGURE_ARGS@

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################################################################################
#
#    To be passed to sub-builds
#
################################################################################

ICONV_INCLUDE_DIRS = @ICONV_INCLUDE_DIRS@
ICONV_LIB_DIRS = @ICONV_LIB_DIRS@

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GMP_INCLUDE_DIRS = @GMP_INCLUDE_DIRS@
GMP_LIB_DIRS = @GMP_LIB_DIRS@