X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=mk%2Fconfig.mk.in;h=3153e495e7097224ebc03d6c41cd3b75e3c63770;hp=dc252ee1eeefb9982bec1e16a5970edf17e999cc;hb=cab3c5cb1a0038412472172cb0b25bc81dfdde8f;hpb=ccecbdb59dbe0ce19ec952ad72210662ec0c3528 diff --git a/mk/config.mk.in b/mk/config.mk.in index dc252ee..3153e49 100644 --- a/mk/config.mk.in +++ b/mk/config.mk.in @@ -3,33 +3,28 @@ # ################################################################################ # -# config.mk.in-template +# config.mk.in # -# This file defines all the variables that set the configuration of -# a particular build. +# This file supplies defaults for many tweakable build configuration +# options. Some of the defaults are filled in by the autoconf-generated +# configure script. # +# DO NOT EDIT THIS FILE! # -################################################################################ - -# The configuration is defined in two steps: +# - config.mk is auto-generated from config.mk.in by configure. +# This may be triggered automatically by the build system (say +# if config.mk.in has changed more recently than config.mk), +# so if you edit config.mk your changes will be spammed. # -# 1. The builder (i.e. the person doing the build) -# copies this file, config.mk.in-template -# to config.mk.in +# - Settings in this file may be overriden by giving replacement +# definitions in build.mk. See build.mk.sample for a good +# starting point for a build.mk file. # -# 2. S/he then edits it manually (gasp) to reflect any configuration -# options s/he wants. -# -# 3. Then s/he runs "configure", which generates config.mk from -# config.mk.in, substituting for system/platform-dependent things -# enclosed in @at-signs@. +# If you don't have a build.mk file then you get defaults for everything. +# The defaults should provide a reasonable vanilla build. # # This is one of only two files that configure generates (the other is config.h) # -# Note that after subsequent edits of config.mk.in for a build, the configure script -# will have to be re-run manually to have the change reflected in config.mk. -# - # There is a section below for each project within the fptools suite # # PLUS @@ -100,11 +95,15 @@ exeext=@exeext@ # BootingFromHc - build GHC and the libraries from .hc files? BootingFromHc = @BootingFromHc@ +# BootingFromUnregisterisedHc - treat .hc files as containing unregisterised +# rather than registerised code, i.e., disable the mangler? +BootingFromUnregisterisedHc = @BootingFromUnregisterisedHc@ + # build the libs first if we're bootstrapping from .hc files ifeq "$(BootingFromHc)" "YES" -AllProjects = glafp-utils hslibs ghc green-card happy hdirect hood nofib +AllProjects = glafp-utils libraries hslibs ghc greencard happy hdirect hood nofib haddock alex else -AllProjects = glafp-utils ghc hslibs green-card happy hdirect hood nofib +AllProjects = glafp-utils ghc libraries hslibs greencard happy hdirect hood nofib haddock alex endif # @@ -124,6 +123,12 @@ ProjectsDontInstall = glafp-utils nofib # IncludeTestDirsInBuild=NO +# +# Which ways should SGML documents be built? +# options are: dvi ps pdf html rtf +# +SGMLDocWays= + ################################################################################ # # GHC project @@ -148,16 +153,23 @@ GhcCompilerWays= # Extra option flags to pass to the compiler that compiles the compiler # (Ones that are essential are wired into ghc/compiler/Makefile) -# Typical ones: -# -H25m allocate a bigger heap (might speed up compilation) -# -# -O compile an optimised compiler +# Typical options to use here: # -# -DDEBUG include consistency/assertion checks in the compiled compiler +# -DDEBUG include debugging code and assertions (will make the +# compiler slower and produce debugging output, but useful +# for development) # # -dcore-lint check the types after every pass of the compiler; -# a pretty strong internal check -GhcHcOpts=-O -Rghc-timing +# a pretty strong internal check of the compiler being +# used to compile GHC. Useful when bootstrapping. +GhcHcOpts=-Rghc-timing + +# Extra options added to specific stages of the compiler bootstrap. +# These are placed later on the command line, and may therefore +# override options from $(GhcHcOpts). +GhcStage1HcOpts= +GhcStage2HcOpts= +GhcStage3HcOpts= # Build a compiler that will build *unregisterised* libraries and # binaries by default. Unregisterised code is supposed to compile and @@ -171,7 +183,7 @@ GhcHcOpts=-O -Rghc-timing # # NOTE: this is not the same as building the compiler itself # unregisterised. That's done by either (a) bootstrapping with a -# compiler that was built with GhcUnregisterized=YES, or (b) +# compiler that was built with GhcUnregisterised=YES, or (b) # bootstrapping with a compiler that has way 'u' libraries, and the # flag '-unreg' is added to GhcHcOpts above. # @@ -181,22 +193,24 @@ GhcUnregisterised=NO # (as well as a C backend) # # Target platforms supported: -# i386, alpha & sparc -ifneq "$(findstring $(HostArch_CPP), i386 alpha sparc)" "" +# i386, sparc & powerpc +ifneq "$(findstring $(HostArch_CPP), i386 sparc powerpc)" "" GhcWithNativeCodeGen=YES else GhcWithNativeCodeGen=NO endif +# Include support for generating Java +GhcWithJavaGen=NO + HaveLibDL = @HaveLibDL@ +HaveRtldNext = @HaveRtldNext@ +HaveRtldLocal = @HaveRtldLocal@ # Include GHCi in the compiler. Default to NO for the time being. -ifneq "$(findstring $(HostOS_CPP), linux solaris freebsd netbsd openbsd)" "" +ifneq "$(findstring $(HostOS_CPP), mingw32 cygwin32 linux solaris2 freebsd netbsd openbsd darwin)" "" GhcWithInterpreter=YES -ifeq "$(HaveLibDL)" "YES" -SRC_HC_OPTS += -ldl -endif else GhcWithInterpreter=NO endif @@ -208,7 +222,7 @@ BuildingParallel=$(subst mp,YES,$(filter mp,$(WAYS))) BuildingGranSim=$(subst mg,YES,$(filter mg,$(WAYS))) #------------------------------------------------------------------------------ -# Options for GHC's Prelude +# Options for Libraries # What extra ways to build the libraries in # In addition to the normal sequential way, the default is to also build @@ -220,10 +234,10 @@ else GhcLibWays=p endif -# Option flags to pass to GHC when it's compiling prelude modules -# *and* standard library modules (std) *and* modules in hslibs -# Typically these are things like -O or -dcore-lint -# The ones that are *essential* are wired into ghc/lib/Makefile +# 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. # # -O is pretty desirable, otherwise no inlining of prelude # things (incl "+") happens when compiling with this compiler @@ -233,6 +247,32 @@ GhcLibHcOpts=-O -Rghc-timing # Win32 only: Enable the RTS and libraries to be built as DLLs DLLized=@EnableWin32DLLs@ +# Win32 only: are we building a compiler that tries to reduce external +# dependencies? i.e., one that doesn't assume that the user has got +# the cygwin toolchain installed on his/her Win32 box. +# +# GHC is still dependent on GNU tools in the backend (gcc to further process +# .c/.hc/.s/.o files + 'perl' to mangle and split), but using this +# option a GHC distribution can be put together which includes a minimal +# set of these open source tools. +# +MinimalUnixDeps=@MinimalUnixDeps@ + +# 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 + + +# ---------------------------------------------------------------------------- +# 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 + # Don't split object files for libs if we're building DLLs, or booting from # .hc files. SplitObjs=YES @@ -243,11 +283,12 @@ endif ifeq "$(BootingFromHc)" "YES" SplitObjs=NO endif - -# Strip local symbols from libraries? This can make the libraries smaller, -# but makes debugging somewhat more difficult. Doesn't work with all ld's. -# -StripLibraries=NO +ifeq "$(GhcUnregisterised)" "YES" +SplitObjs=NO +endif +ifeq "$(TARGETPLATFORM)" "ia64-unknown-linux" +SplitObjs=NO +endif # ---------------------------------------------------------------------------- # Options for GHC's RTS @@ -258,35 +299,32 @@ StripLibraries=NO # For a debugging RTS: # GhcRtsHcOpts = -optc-DDEBUG -# GhcRtsCcOpts = -optc-g +# GhcRtsCcOpts = -g # For an optimised RTS: GhcRtsHcOpts=-O2 -GhcRtsCcOpts=-O2 -fomit-frame-pointer +GhcRtsCcOpts=-fomit-frame-pointer # Include the front panel code? Needs GTK+. GhcRtsWithFrontPanel = NO +# +# To have the RTS support interoperation with OS threads, set +# GhcRtsThreaded to YES (preferably via the --enable-threaded-rts +# configure script option). The consequence of this is spelled out +# in details elsewhere, but, briefly, Concurrent Haskell threads +# can now make external (i.e., C) calls without blocking the progress +# of other CH threads. Multiple native threads can also execute +# Haskell code without getting in each others way too. +# +GhcRtsThreaded=@ThreadedRts@ + ################################################################################ # -# hslibs project +# libraries project # ################################################################################ -# Build HsLibs for which compiler? - -# If $(HsLibsFor) == hugs or ghc, we assume we're building for the -# compiler/interpreter in the same source tree. - -# HsLibsFor = ghc | hugs | nhc | hbc -HsLibsFor = ghc - -# hslibs for GHC also uses the following variables (defined above): -# GhcLibWays, GhcLibHcOpts, GhcLibToolsHcOpts, DLLized, StripLibraries - -# Haskell compiler options for tools in hslibs -GhcLibToolsHcOpts=-O - # Build the Haskell Readline bindings? # GhcLibsWithReadline=@HaveReadlineHeaders@ @@ -302,9 +340,25 @@ ReadlineIncludePath= # Math library LIBM=@LIBM@ +# Build the ObjectIO ? +# +GhcLibsWithObjectIO=@GhcLibsWithObjectIO@ + # Build the Haskell OpenGL/GLUT binding? # GhcLibsWithHOpenGL=@GhcLibsWithHOpenGL@ +GL_CFLAGS=@GL_CFLAGS@ +GL_LIBS=@GL_LIBS@ +GLUT_LIBS=@GLUT_LIBS@ + +X_CFLAGS=@X_CFLAGS@ +X_LIBS=@X_LIBS@ + + +# +# .NET interop support? +# +DotnetSupport=@DotnetSupport@ ################################################################################ # @@ -332,9 +386,9 @@ HappyHcOpts = -O ################################################################################ # -# green-card project +# greencard project # -# Green-card specific options +# GreenCard specific options # ################################################################################ @@ -399,16 +453,10 @@ ifeq "$(TARGETPLATFORM)" "i386-unknown-mingw32" DEFAULT_TMPDIR = C:/TEMP endif -# FPTOOLS_TOP: the top of the fptools hierarchy, absolute path. - +# FPTOOLS_TOP: the top of the fptools hierarchy, absolute path. (POSIX / unix-style path). FPTOOLS_TOP_ABS = @hardtop@ -FPTOOLS_TOP_ABS_UNIX = @hardtop@ -ifeq "$(TARGETPLATFORM)" "i386-unknown-cygwin32" -FPTOOLS_TOP_ABS = $(subst \,/,$(shell cygpath -w @hardtop@)) -endif -ifeq "$(TARGETPLATFORM)" "i386-unknown-mingw32" -FPTOOLS_TOP_ABS = $(subst \,/,$(shell cygpath -w @hardtop@)) -endif +# The platform specific version of 'hardtop'. +FPTOOLS_TOP_ABS_PLATFORM = @hardtop_plat@ # # Installation directories, we don't use half of these, @@ -418,19 +466,30 @@ endif prefix = @prefix@ exec_prefix = @exec_prefix@ bindir = @bindir@ -datadir = @datadir@ +datadir0 = @datadir@ + #sysconfdir = @datadir@ #sharedstatedir = @sharedstatedir@ #localstatedir = @localstatedir@ -libdir = @libdir@ +libdir0 = @libdir@ includedir = @includedir@ oldincludedir = @oldincludedir@ mandir = @mandir@ -#UNUSED, see below: libexecdir = @libexecdir@ #UNUSED:infodir = @infodir@ #UNUSED:srcdir = @srcdir@ +# +# override libdir and datadir to put project-specific stuff in +# a subdirectory with the version number included. +# +libdir = $(if $(ProjectNameShort),$(libdir0)/$(ProjectNameShort)-$(ProjectVersion),$(libdir0)) +datadir = $(if $(ProjectNameShort),$(datadir0)/$(ProjectNameShort)-$(ProjectVersion),$(datadir0)) + +# Default place for putting interface files is $(libdir) +# (overriden for packages in package.mk) +ifacedir = $(libdir) + # # Default values for most of the above are only set if # they weren't configured to anything in particular @@ -468,7 +527,6 @@ ifeq "$(strip $(mandir))" "" mandir = $(prefix)/man endif - ################################################################################ # # Utilities programs: flags @@ -485,6 +543,8 @@ endif # # SRC_HC_OPTS += -O +SRC_HC_OPTS += -H16m -O + # These flags make flex 8-bit SRC_FLEX_OPTS += -8 @@ -535,19 +595,17 @@ RUNTEST_PREFIX = $(GLAFP_UTILS)/runstdtest/ VERBATIM_PREFIX = $(GLAFP_UTILS)/verbatim/ SGMLVERB_PREFIX = $(GLAFP_UTILS)/sgmlverb/ ETAGS_PREFIX = $(GLAFP_UTILS)/etags/ -MSUB_PREFIX = $(GLAFP_UTILS)/msub/ LNDIR_PREFIX = $(GLAFP_UTILS)/lndir/ MKDIRHIER_PREFIX = $(GLAFP_UTILS)/mkdirhier/ DOCBOOK_PREFIX = $(GLAFP_UTILS)/docbook/ -LITERATE_PREFIX = $(FPTOOLS_TOP)/literate/ +HADDOCK_PREFIX = $(FPTOOLS_TOP)/haddock/ -HAPPY_PREFIX = $(FPTOOLS_TOP)/happy/src/ -GREENCARD_PREFIX = $(FPTOOLS_TOP)/green-card/src/ +LITERATE_PREFIX = $(FPTOOLS_TOP)/literate/ UNLIT_PREFIX = $(FPTOOLS_TOP)/ghc/utils/unlit/ HP2PS_PREFIX = $(FPTOOLS_TOP)/ghc/utils/hp2ps/ -HSTAGS_PREFIX = $(FPTOOLS_TOP)/ghc/utils/hstags/ +HSTAGS_PREFIX = $(FPTOOLS_TOP)/ghc/utils/hasktags/ HSC2HS_PREFIX = $(FPTOOLS_TOP)/ghc/utils/hsc2hs/ #----------------------------------------------------------------------------- @@ -568,6 +626,15 @@ GhcMajVersion = @GhcMajVersion@ GhcMinVersion = @GhcMinVersion@ GhcPatchLevel = @GhcPatchLevel@ +# 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) +endif + HBC = @HBC@ NHC = @NHC@ @@ -579,11 +646,17 @@ MKDEPENDHS = $(GHC) # tree). We can refer to "this ghc" as $(GHC_INPLACE): GHC_INPLACE = $(FPTOOLS_TOP)/ghc/compiler/ghc-inplace +GHC_STAGE1 = $(FPTOOLS_TOP)/ghc/compiler/stage1/ghc-inplace +GHC_STAGE2 = $(FPTOOLS_TOP)/ghc/compiler/stage2/ghc-inplace +GHC_STAGE3 = $(FPTOOLS_TOP)/ghc/compiler/stage3/ghc-inplace #----------------------------------------------------------------------------- # C compiler # -# +# NB. Don't override $(WhatGccIsCalled) using build.mk, re-configure using +# the flag --with-gcc= instead. The reason is that the configure script +# needs to know which gcc you're using in order to perform its tests. + HaveGcc = @HaveGcc@ UseGcc = YES WhatGccIsCalled = @WhatGccIsCalled@ @@ -596,11 +669,15 @@ endif endif # default C compiler flags -SRC_CC_OPTS = -O -ifeq "$(TARGETPLATFORM)" "i386-unknown-mingw32" -SRC_CC_OPTS += -mno-cygwin -mwin32 +SRC_CC_OPTS = @SRC_CC_OPTS@ + +ifeq "$(TARGETPLATFORM)" "ia64-unknown-linux" +SRC_CC_OPTS += -G0 endif +# Solaris2 strikes again. +unix_SRC_HSC2HS_OPTS += @unix_SRC_HSC2HS_OPTS@ + #----------------------------------------------------------------------------- # GMP Library (version 2.0.x or above) # @@ -608,10 +685,20 @@ HaveLibGmp = @HaveLibGmp@ LibGmp = @LibGmp@ #----------------------------------------------------------------------------- -# Regex library +# Mingwex Library +# +HaveLibMingwEx = @HaveLibMingwEx@ + +#----------------------------------------------------------------------------- +# HaskellSupport framework (Mac OS X) +# +HaveFrameworkHaskellSupport = @HaveFrameworkHaskellSupport@ + +#----------------------------------------------------------------------------- +# Regex library # (if present in libc use that one, otherwise use the one in the tree) # -HaveRegex = @HaveRegex@ +HavePosixRegex = @HavePosixRegex@ #----------------------------------------------------------------------------- # GTK+ @@ -620,30 +707,30 @@ GTK_CONFIG = @GTK_CONFIG@ GTK_VERSION = @GTK_VERSION@ #----------------------------------------------------------------------------- -# Flex +# Flex (currently unused, could be moved to glafp-utils) -FLEX = @LEX@ +# FLEX = @LEX@ # Don't bother with -lfl, we define our own yywrap()s anyway. -FLEX_LIB = +# FLEX_LIB = #WAS:FLEX_LIB = @LEXLIB@ #----------------------------------------------------------------------------- # Other standard (ha!) Unix utilities AR = @ArCmd@ +ArSupportsInput = @ArSupportsInput@ # Yuckage: for ghc/utils/parallel -- todo: nuke this dependency!! BASH = /usr/local/bin/bash -# -# Could be either gzip or compress -# -COMPRESS = @CompressCmd@ -COMPRESS_SUFFIX = @CompressSuffix@ CONTEXT_DIFF = @ContextDiffCmd@ CP = cp -CPP = @CPP@ +CPP = @CPP@ @CPPFLAGS@ CTAGS = $(ETAGS) -RAWCPP = $(CPP) -undef -traditional +# +# 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 FIND = @FindCmd@ INSTALL = @INSTALL@ # @@ -661,13 +748,20 @@ MSMACROS = -ms MV = mv NROFF = nroff PERL = @PerlCmd@ +PYTHON = @PythonCmd@ PIC = pic PREPROCESSCMD = $(CC) -E -PRINTER = lpr RANLIB = @RANLIB@ RM = rm -f SED = @SedCmd@ SHELL = /bin/sh + +# 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 = @LdCmd@ +LD_X = @LdXFlag@ + # # In emergency situations, REAL_SHELL is used to perform shell commands # from within the ghc driver script, by scribbling the command line to @@ -697,11 +791,6 @@ TAR = @TarCmd@ ZIP = zip # -# Under Windows, we have to deal with .exe suffixes -# -EXE_SUFFIX=@exeext@ - -# # This is special to literate/, ToDo: add literate-specific # configure setup to literate/. # @@ -714,7 +803,6 @@ TIB = tib TIME = @TimeCmd@ TROFF = troff UNAME = uname -YACC = @YaccCmd@ #----------------------------------------------------------------------------- # SGML stuff @@ -733,6 +821,7 @@ SRC_SGML2DVI_OPTS = -d $(SGMLSTYLESHEET) SRC_SGML2HTML_OPTS = -d $(SGMLSTYLESHEET) SRC_SGML2PS_OPTS = -d $(SGMLSTYLESHEET) SRC_SGML2RTF_OPTS = -d $(SGMLSTYLESHEET) +SRC_SGML2PDF_OPTS = -d $(SGMLSTYLESHEET) DOCBOOK_CATALOG = @Catalog@ @@ -744,17 +833,32 @@ MKDEPENDC = $(MKDEPENDC_PREFIX)mkdependC LTX = $(LTX_PREFIX)ltx MKDIRHIER = $(MKDIRHIER_PREFIX)mkdirhier LNDIR = $(LNDIR_PREFIX)lndir -MSUB = $(MSUB_PREFIX)msub ETAGS = $(ETAGS_PREFIX)etags VERBATIM = $(VERBATIM_PREFIX)verbatim SGMLVERB = $(SGMLVERB_PREFIX)sgmlverb RUNTEST = $(RUNTEST_PREFIX)runstdtest LX = @LxCmd@ -GREENCARD = $(FPTOOLS_TOP)/green-card/src/green-card BLD_DLL = dllwrap # +# .NET support software +# +ILX2IL = ilx2il +ILASM = ilasm + +# +# ghc-pkg +# +GHC_PKG = @GhcPkgCmd@ + +# +# GreenCard +# +GREENCARD = @GreenCardCmd@ +GREENCARD_VERSION = @GreenCardVersion@ + +# # Happy # HAPPY = @HappyCmd@ @@ -762,7 +866,23 @@ HAPPY_VERSION = @HappyVersion@ # # Options to pass to Happy when we're going to compile the output with GHC # -GHC_HAPPY_OPTS = $(shell if ( test `echo $(HAPPY_VERSION) | sed -e "s/\(.*\)\..*/\1/g"` "-gt" "1" || test `echo $(HAPPY_VERSION) | sed -e "s/.*\.\(.*\)/\1/g"` "-ge" "9" ); then echo -agc; else echo -g; fi) +GHC_HAPPY_OPTS = -agc + +# +# Alex +# +ALEX = @AlexCmd@ +ALEX_VERSION = @AlexVersion@ +# +# Options to pass to Happy when we're going to compile the output with GHC +# +GHC_ALEX_OPTS = -g + +# +# Haddock +# +HADDOCK = @HaddockCmd@ +HADDOCK_INPLACE = $(HADDOCK_PREFIX)/src/haddock-inplace # # Stuff from fptools/literate @@ -777,9 +897,9 @@ LIT2TEXT = $(LITERATE_PREFIX)lit2text # # Stuff from fptools/ghc/utils # -UNLIT = $(UNLIT_PREFIX)unlit$(EXE_SUFFIX) -HP2PS = $(HP2PS_PREFIX)hp2ps$(EXE_SUFFIX) -HSTAGS = $(HSTAGS_PREFIX)hstags +UNLIT = $(UNLIT_PREFIX)unlit$(exeext) +HP2PS = $(HP2PS_PREFIX)hp2ps$(exeext) +HSTAGS = $(HSTAGS_PREFIX)hasktags HSC2HS = $(HSC2HS_PREFIX)hsc2hs-inplace # @@ -819,7 +939,7 @@ HSC2HS = $(HSC2HS_PREFIX)hsc2hs-inplace # The ways currently defined. # ALL_WAYS=p t u s mp mg a b c d e f g h i j k l m n o A B -USER_WAYS=a b c d e f g h i j k l m n o A B +USER_WAYS=a b c d e f g h j k l m n o A B # # The following ways currently have treated specially, p u t mg, @@ -829,6 +949,10 @@ USER_WAYS=a b c d e f g h i j k l m n o A B # # If you want to add to these default options, fill in the variables below: +# Way 'i': +WAY_i_NAME=ILX +WAY_i_HC_OPTS= -filx -fruntime-types + # Way 'p': WAY_p_NAME=profiling WAY_p_HC_OPTS= -prof @@ -886,9 +1010,6 @@ WAY_g_HC_OPTS= WAY_h_NAME= WAY_h_HC_OPTS= -WAY_i_NAME= -WAY_i_HC_OPTS= - WAY_j_NAME= WAY_j_HC_OPTS= @@ -906,3 +1027,23 @@ WAY_n_HC_OPTS= WAY_o_NAME= WAY_o_HC_OPTS= + +################################################################################ +# +# 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 +