# -----------------------------------------------------------------------------
-# $Id: Makefile,v 1.218 2002/05/29 22:39:39 sof Exp $
+# Main ghc/compiler Makefile
+
+# Targets:
+#
+# all builds stage1 compiler
+#
+# boot stage=N generate build dirs and dependencies for stage N.
+# NB. Must be done before 'make stageN'.
+# NB. Cannot 'make boot stage=2' until stage1 has
+# been built (similarly for stage3).
+#
+# stage1 (or stage=1) builds stage1 compiler
+# stage2 (or stage=2) builds stage2 compiler
+# stage3 (or stage=3) builds stage3 compiler
+#
TOP = ..
# Use GHC for compiling C bits (NB. must be before boilerplate include)
#
-ifneq "$(BootingFromHc)" "YES"
UseGhcForCc = YES
-endif
include $(TOP)/mk/boilerplate.mk
#-----------------------------------------------------------------------------
+# Counting source code lines
+
+USER_SRCS = $(filter-out $(DERIVED_SRCS),$(SRCS))
+count :
+ ./count_lines $(USER_SRCS)
+
+#-----------------------------------------------------------------------------
# Building ghc different ways (default is just `normal' sequential)
+
WAYS=$(GhcCompilerWays)
# -----------------------------------------------------------------------------
+# Bootstrapping
+
+# The stage1/stage2/stage3 business is quite delicate. Here's how it works:
+#
+# - the variable $(stage) holds the current stage number. To build a
+# particular stage, you say 'make stage=N' where N is 1, 2, or 3.
+# N defaults to 1.
+#
+# - for stage N, object files and .hi files are placed inside
+# the directory stageN, in subdirectories as per the sources.
+#
+# - .hi-boot files are *linked* into the stageN tree, because in GHC 5.05+
+# the .hi-boot file must reside in the same place as the .hi file.
+#
+# - we use explicit -o and -ohi options to direct the output from C &
+# Haskell compilations.
+#
+# - we generate a different .depend file for each build. They need to be
+# different, because each stage might include different files: stage1
+# might not include GHCi, for example. For each stage, a normal .depend
+# file is generated, and then post-processed to add the correct stageN/
+# prefix to each object and .hi filename. The resulting .depend file
+# is named .depend-$(stage). See the end of this Makefile for details.
+#
+# - normal implicit rules don't work any more, because they're of the form
+#
+# %.o : %.hs
+#
+# whereas we really need
+#
+# stageN/%.o : %.hs
+#
+# so suffix.mk now defines the appropriate suffix rules when
+# $(odir) is set to a non-empty value. Here we set $(odir) to
+# stage1, stage2, or stage3.
+#
+# There are other plausible designs that might work, but each has different
+# problems:
+#
+# - using -odir and -hidir: GHC <= 4.08 doesn't support -hidir, and
+# anyway -odir puts all the objects in one directory (strips off the
+# subdirectory part), which eventually forces us to use VPATH to find
+# the sources. I have a really bad feeling about VPATH.
+#
+# - invoke make in the stageN subdirectory. This probably requires VPATH
+# too.
+#
+# - create a link tree. The problem with requiring link trees is that
+# Windows doesn't support symbolic links.
+
+boot ::
+ $(MKDIRHIER) stage$(stage)
+ for i in $(ALL_DIRS); do \
+ $(MKDIRHIER) stage$(stage)/$$i; \
+ done
+# On Windows, we can't use symbolic links for the -hi-boot files
+# because GHC itself is a Mingw program and does not understand
+# symbolic links. So we have to copy the files instead of link them.
+# That means that if you modify a .hi-boot file in Windows, you
+# have to to say 'make boot' again.
+#
+# PS: 'ln -s foo baz' takes 'foo' relative to the path to 'baz'
+# whereas 'cp foo baz' treats the two paths independently.
+# Hence the "../.." in the ln command line
+ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
+ for i in */*hi-boot*; do \
+ cp -u -f $$i stage$(stage)/$$i; \
+ done
+else
+ for i in */*hi-boot*; do \
+ $(LN_S) -f ../../$$i stage$(stage)/$$i || true ; \
+ done
+endif
+
+ifeq "$(stage)" ""
+stage=1
+endif
+
+ifeq "$(stage)" "1"
+HC=$(GHC)
+endif
+
+ifeq "$(stage)" "2"
+HC=$(GHC_STAGE1)
+endif
+
+ifeq "$(stage)" "3"
+HC=$(GHC_STAGE2)
+endif
+
+stage1 ::
+ $(MAKE) stage=1
+
+stage2 ::
+ $(MAKE) stage=2
+
+stage3 ::
+ $(MAKE) stage=3
+
+odir=stage$(stage)
+
+SRC_HC_OPTS += $(patsubst %, -i$(odir)/%, $(ALL_DIRS))
+
+HS_OBJS = $(patsubst %, $(odir)/%, $(addsuffix .$(way_)o,$(basename $(HS_SRCS))))
+C_OBJS = $(patsubst %, $(odir)/%, $(addsuffix .$(way_)o,$(basename $(C_SRCS))))
+
+CLEAN_FILES += $(odir)/*/*.hi
+
+ifeq "$(stage)" "1"
+mostlyclean clean distclean maintainer-clean ::
+ $(MAKE) $@ stage=2
+ $(MAKE) $@ stage=3
+endif
+
+# -----------------------------------------------------------------------------
# Set HS_PROG
# Note: there have been reports of people running up against the ARG_MAX limit
# be to do `env PATH=$(PATH) make ghc' to minimise the environment. (or the
# equivalent of `env' if it doesn't exist locally).
#
+ifneq "$(BuildPackageGHC)" "YES"
ifneq "$(way)" "dll"
ifneq "$(TARGETPLATFORM)" "i386-unknown-mingw32"
-HS_PROG=ghc$(_way)-$(ProjectVersion)
+HS_PROG=$(odir)/ghc$(_way)-$(ProjectVersion)
else
-HS_PROG=ghc$(_way)
+HS_PROG=$(odir)/ghc$(_way)
endif
else
-HS_PROG=ghc-$(ProjectVersion)
+HS_PROG=$(odir)/ghc-$(ProjectVersion)
+endif
endif
# -----------------------------------------------------------------------------
$(CONFIG_HS) : $(FPTOOLS_TOP)/mk/config.mk Makefile
@$(RM) -f $(CONFIG_HS)
- @echo -n "Creating $(CONFIG_HS) ... "
+ @echo "Creating $(CONFIG_HS) ... "
@echo "module Config where" >>$(CONFIG_HS)
@echo "cProjectName = \"$(ProjectName)\"" >> $(CONFIG_HS)
@echo "cProjectVersion = \"$(ProjectVersion)\"" >> $(CONFIG_HS)
@echo "cHscIfaceFileVersion = \"$(HscIfaceFileVersion)\"" >> $(CONFIG_HS)
@echo "cHOSTPLATFORM = \"$(HOSTPLATFORM)\"" >> $(CONFIG_HS)
@echo "cTARGETPLATFORM = \"$(TARGETPLATFORM)\"" >> $(CONFIG_HS)
+ @echo "cTARGETOS = \"$(TargetOS_CPP)\"" >> $(CONFIG_HS)
+ @echo "cTARGETARCH = \"$(TargetArch_CPP)\"" >> $(CONFIG_HS)
@echo "cGhcWithNativeCodeGen = \"$(GhcWithNativeCodeGen)\"" >> $(CONFIG_HS)
@echo "cGhcUnregisterised = \"$(GhcUnregisterised)\"" >> $(CONFIG_HS)
@echo "cLeadingUnderscore = \"$(LeadingUnderscore)\"" >> $(CONFIG_HS)
endif
@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)
ALL_DIRS = \
utils basicTypes types hsSyn prelude rename typecheck deSugar coreSyn \
- specialise simplCore stranal stgSyn simplStg codeGen absCSyn main \
- profiling parser usageSP cprAnalysis compMan ndpFlatten
+ specialise simplCore stranal stgSyn simplStg codeGen main \
+ profiling parser cprAnalysis compMan ndpFlatten iface cmm
# Make sure we include Config.hs even if it doesn't exist yet...
ALL_SRCS += $(CONFIG_HS)
+# HsGeneric.hs is not used just now
+EXCLUDED_SRCS += hsSyn/HsGeneric.hs
+
ifeq ($(GhcWithNativeCodeGen),YES)
ALL_DIRS += nativeGen
else
bootstrapped = YES
compiling_with_4xx=NO
else
+ifneq "$(findstring $(stage), 2 3)" ""
+bootstrapped = YES
+compiling_with_4xx = NO
+else
bootstrapped = $(shell if (test $(GhcCanonVersion) -ge $(ProjectVersionInt) -a $(GhcPatchLevel) -ge $(ProjectPatchLevel)); then echo YES; else echo NO; fi)
compiling_with_4xx = $(shell if (test $(GhcCanonVersion) -lt 500); then echo YES; else echo NO; fi)
endif
+endif
+
+# -----------------------------------------------------------------------------
+# Building a compiler with interpreter support
+#
+# The interpreter, GHCi interface, and Template Haskell are only
+# enabled when we are bootstrapping with the same version of GHC, and
+# the interpreter is supported on this platform.
+
+ifeq "$(GhcWithInterpreter) $(bootstrapped)" "YES YES"
+
+# Yes, include the interepreter, readline, and Template Haskell extensions
+SRC_HC_OPTS += -DGHCI -package template-haskell
+
+ifneq "$(TARGETPLATFORM)" "i386-unknown-mingw32"
+SRC_HC_OPTS += -package unix
+endif
-# Only include GHCi if we're bootstrapping with at least version 411
-ifeq "$(GhcWithInterpreter)" "YES"
-ifeq "$(bootstrapped)" "YES"
-SRC_HC_OPTS += -DGHCI
ALL_DIRS += ghci
+
+# Enable readline if either:
+# - we're building stage 1 and $(GhcHasReadline)="YES"
+# - we're building stage 2/3, and we have built the readline package
+#
+# But we don't enable readline on Windows, because readline is fairly
+# broken there.
+#
+ifneq "$(TARGETPLATFORM)" "i386-unknown-mingw32"
+ifeq "$(stage)" "1"
+ifeq "$(GhcHasReadline)" "YES"
+SRC_HC_OPTS += -package readline -DUSE_READLINE
endif
+else
+ifeq "$(GhcLibsWithReadline)" "YES"
+SRC_HC_OPTS += -package readline -DUSE_READLINE
endif
+endif # stage=1
+endif # not windows
+
+else
+
+# No interpreter, so exclude Template Haskell modules
+EXCLUDED_SRCS += deSugar/DsMeta.hs typecheck/TcSplice.lhs hsSyn/Convert.lhs
-# There are some C files to include in HS_PROG, so add these to HS_OBJS
-HS_OBJS += $(C_OBJS)
+endif # bootstrapped with interpreter
# -----------------------------------------------
# mkdependC stuff
# Big Fudge to get around inherent problem that Makefile setup
# has got with 'mkdependC'.
#
-SRC_MKDEPENDC_OPTS += -D__GLASGOW_HASKELL__=$(ProjectVersionInt) -I$(GHC_INCLUDE_DIR)
+SRC_MKDEPENDC_OPTS += -D__GLASGOW_HASKELL__=$(ProjectVersionInt)
+
+# XXX not really correct, hschooks.c actually gets include files like
+# RtsFlags.c from the installed GHC, but we can't tell mkdependC about that.
+SRC_MKDEPENDC_OPTS += -I$(GHC_INCLUDE_DIR)
# -----------------------------------------------------------------------------
# Haskell compilations
-#
-# Compiler to use for building ghc, use the build tree
-# driver when booting.
-#
-HC=$(GHC)
-
-# magic from GNU make manual to convert a list of values
-# into a colon-separated list
-empty:=
-space:= $(empty) $(empty)
-
SRC_HC_OPTS += \
- -cpp -fglasgow-exts -Rghc-timing \
- -I. -IcodeGen -InativeGen -Iparser \
- -i$(subst $(space),:,$(ALL_DIRS))
+ -cpp -fglasgow-exts -fno-generics -Rghc-timing \
+ -I. -IcodeGen -InativeGen -Iparser
# Omitted: -I$(GHC_INCLUDE_DIR)
# We should have -I$(GHC_INCLUDE_DIR) in SRC_HC_OPTS,
# which needs it).
SRC_MKDEPENDHS_OPTS += -I$(GHC_INCLUDE_DIR)
+# When bootstrapped, we don't make use of *any* packages
+# (except possibly readline if GHCi is enabled, see above)
+ifneq "$(bootstrapped)" "YES"
ifneq "$(mingw32_HOST_OS)" "1"
SRC_HC_OPTS += -package concurrent -package posix -package util
else
SRC_HC_OPTS += -package concurrent -package util
endif
+endif
-SRC_CC_OPTS += -Iparser -I. -I$(TOP)/includes -O
-SRC_HC_OPTS += -recomp $(GhcHcOpts)
+SRC_CC_OPTS += -Iparser -I. -O
+SRC_HC_OPTS += -recomp $(GhcHcOpts) $(GhcStage$(stage)HcOpts)
SRC_HC_OPTS += -H16M
ifeq "$(BootingFromHc)" "YES"
# The standard suffix rule for compiling a Haskell file
# adds these flags to the command line
-# not sure if this is required --SDM
-main/Main_HC_OPTS = -fvia-C
-
-prelude/PrimOp_HC_OPTS = -no-recomp -H80m
+# There used to be a -no-recomp flag on PrimOp, but why?
+# It's an expensive module to recompile!
+prelude/PrimOp_HC_OPTS = -H80m
# because the NCG can't handle the 64-bit math in here
prelude/PrelRules_HC_OPTS = -fvia-C
main/ParsePkgConf_HC_OPTS += -fno-warn-incomplete-patterns
# Use -fvia-C since the NCG can't handle the narrow16Int# (and intToInt16#?)
# primops on all platforms.
-parser/Parser_HC_OPTS += -Onot -fno-warn-incomplete-patterns -fvia-C
+parser/Parser_HC_OPTS += -fno-warn-incomplete-patterns -fvia-C
-# 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 "$(compiling_with_4xx)" "YES"
-parser/Parser_HC_OPTS += -K2m
-endif
+# Careful optimisation of the parser: we don't want to throw everything
+# at it, because that takes too long and doesn't buy much, but we do want
+# to inline certain key external functions, so we instruct GHC not to
+# throw away inlinings as it would normally do in -Onot mode:
+parser/Parser_HC_OPTS += -Onot -fno-ignore-interface-pragmas
ifeq "$(HOSTPLATFORM)" "hppa1.1-hp-hpux9"
rename/RnMonad_HC_OPTS = -O2 -O2-for-C
endif
-utils/StringBuffer_HC_OPTS = -fvia-C -fno-prune-tydecls
utils/Digraph_HC_OPTS = -fglasgow-exts
+basicTypes/SrcLoc_HC_OPTS = -funbox-strict-fields
+
ifeq "$(bootstrapped)" "YES"
utils/Binary_HC_OPTS = -funbox-strict-fields
endif
-# flags for PrimPacked:
-#
-# -monly-2-regs
-# because it contains 'ccall strlen' and 'ccall memcmp', which gets
-# inlined by gcc, causing a lack of registers.
-#
-utils/PrimPacked_HC_OPTS = -fvia-C
+# 4.08.2's NCG can't cope with Binary
+ifeq "$(compiling_with_4xx)" "YES"
+utils/Binary_HC_OPTS += -fvia-C
+endif
# ByteCodeItbls uses primops that the NCG doesn't support yet.
-ghci/ByteCodeItbls_HC_OPTS = -fvia-C
-ghci/ByteCodeLink_HC_OPTS = -fvia-C -monly-3-regs
+ghci/ByteCodeItbls_HC_OPTS += -fvia-C
+ghci/ByteCodeLink_HC_OPTS += -fvia-C -monly-3-regs
+
+# BinIface and Binary take ages to both compile and run if you don's use -O
+main/BinIface_HC_OPTS += -O
+utils/Binary_HC_OPTS += -O
+utils/FastMutInt_HC_OPTS += -O
+
# 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
main/SysTools_HC_OPTS += '-\#include <windows.h>' '-\#include <process.h>'
endif
+parser/Lexer_HC_OPTS += -funbox-strict-fields
+
# ghc_strlen percolates through so many modules that it is easier to get its
# prototype via a global option instead of a myriad of per-file OPTIONS
SRC_HC_OPTS += '-\#include "hschooks.h"'
primop-needs-wrapper.hs-incl \
primop-can-fail.hs-incl \
primop-strictness.hs-incl \
- primop-usage.hs-incl \
primop-primop-info.hs-incl
CLEAN_FILES += prelude/primops.txt
CLEAN_FILES += $(PRIMOP_BITS)
-SRC_CPP_OPTS += -I$(GHC_INCLUDE_DIR) -traditional
+SRC_CPP_OPTS += -I$(GHC_INCLUDE_DIR)
SRC_CPP_OPTS += ${GhcCppOpts}
ifneq "$(BootingFromHc)" "YES"
-prelude/PrimOp.lhs prelude/PrimOp.o: $(PRIMOP_BITS)
+prelude/PrimOp.lhs $(odir)/prelude/PrimOp.o: $(PRIMOP_BITS)
endif
ifneq "$(BootingFromHc)" "YES"
$(GENPOC) --can-fail < $< > $@
primop-strictness.hs-incl: prelude/primops.txt
$(GENPOC) --strictness < $< > $@
-primop-usage.hs-incl: prelude/primops.txt
- $(GENPOC) --usage < $< > $@
primop-primop-info.hs-incl: prelude/primops.txt
$(GENPOC) --primop-primop-info < $< > $@
+# Usages aren't used any more; but the generator
+# can still generate them if we want them back
+primop-usage.hs-incl: prelude/primops.txt
+ $(GENPOC) --usage < $< > $@
-# ----------------------------------------------------------------------------
-# Parsers/lexers
-
-SRC_HAPPY_OPTS += +RTS -K2m -H16m -RTS $(GHC_HAPPY_OPTS)
-
#-----------------------------------------------------------------------------
# Linking
+# Include libghccompat in stage1. In stage2 onwards, all these libraries
+# will be available from the main libraries.
+ifeq "$(stage)" "1"
+SRC_HC_OPTS += -i$(GHC_LIB_COMPAT_DIR)
+SRC_LD_OPTS += -L$(GHC_LIB_COMPAT_DIR) -lghccompat
+SRC_MKDEPENDHS_OPTS += -optdep--exclude-module=Compat.RawSystem
+endif
+
SRC_LD_OPTS += -no-link-chk
# -----------------------------------------------------------------------------
# create ghc-inplace, a convenient way to run ghc from the build tree...
-all :: ghc-inplace
+all :: $(odir)/ghc-inplace ghc-inplace
-ghc-inplace : $(HS_PROG)
+$(odir)/ghc-inplace : $(HS_PROG)
@$(RM) $@
echo '#!/bin/sh' >>$@
echo exec $(FPTOOLS_TOP_ABS)/ghc/compiler/$(HS_PROG) '-B$(subst \,\\,$(FPTOOLS_TOP_ABS_PLATFORM))' '"$$@"' >>$@
chmod 755 $@
-CLEAN_FILES += ghc-inplace
+ghc-inplace : stage1/ghc-inplace
+ $(LN_S) -f $< $@
+
+CLEAN_FILES += $(odir)/ghc-inplace ghc-inplace
#-----------------------------------------------------------------------------
# install
# ----------------------------------------------------------------------------
# profiling.
-rename/Rename_HC_OPTS += -auto-all
-rename/RnEnv_HC_OPTS += -auto-all
-rename/RnHiFiles_HC_OPTS += -auto-all
-rename/RnSource_HC_OPTS += -auto-all
+# rename/RnBinds_HC_OPTS += -auto-all
+# rename/RnEnv_HC_OPTS += -auto-all
+# rename/RnExpr_HC_OPTS += -auto-all
+# rename/RnHiFiles_HC_OPTS += -auto-all
+# rename/RnHsSyn_HC_OPTS += -auto-all
+# rename/Rename_HC_OPTS += -auto-all
+# rename/RnIfaces_HC_OPTS += -auto-all
+# rename/RnNames_HC_OPTS += -auto-all
+# rename/RnSource_HC_OPTS += -auto-all
+# rename/RnTypes_HC_OPTS += -auto-all
+#
+# typecheck/Inst_HC_OPTS += -auto-all
+# typecheck/TcBinds_HC_OPTS += -auto-all
+# typecheck/TcClassDcl_HC_OPTS += -auto-all
+# typecheck/TcDefaults_HC_OPTS += -auto-all
+# typecheck/TcDeriv_HC_OPTS += -auto-all
+# typecheck/TcEnv_HC_OPTS += -auto-all
+# typecheck/TcExpr_HC_OPTS += -auto-all
+# typecheck/TcForeign_HC_OPTS += -auto-all
+# typecheck/TcGenDeriv_HC_OPTS += -auto-all
+# typecheck/TcHsSyn_HC_OPTS += -auto-all
+# typecheck/TcIfaceSig_HC_OPTS += -auto-all
+# typecheck/TcInstDcls_HC_OPTS += -auto-all
+# typecheck/TcMatches_HC_OPTS += -auto-all
+# typecheck/TcMonoType_HC_OPTS += -auto-all
+# typecheck/TcMType_HC_OPTS += -auto-all
+# typecheck/TcPat_HC_OPTS += -auto-all
+# typecheck/TcRnDriver_HC_OPTS += -auto-all
+# #typecheck/TcRnMonad_HC_OPTS += -auto-all
+# #typecheck/TcRnTypes_HC_OPTS += -auto-all
+# typecheck/TcRules_HC_OPTS += -auto-all
+# typecheck/TcSimplify_HC_OPTS += -auto-all
+# typecheck/TcSplice_HC_OPTS += -auto-all
+# typecheck/TcTyClsDecls_HC_OPTS += -auto-all
+# typecheck/TcTyDecls_HC_OPTS += -auto-all
+# typecheck/TcType_HC_OPTS += -auto-all
+# typecheck/TcUnify_HC_OPTS += -auto-all
+
+coreSyn/CorePrep_HC_OPTS += -auto-all
+
+#-----------------------------------------------------------------------------
+# Building GHC package
+
+ifeq "$(BuildPackageGHC)" "YES"
+
+PACKAGE = ghc
+STANDALONE_PACKAGE = YES
+PACKAGE_DEPS =
+
+endif
#-----------------------------------------------------------------------------
# clean
#-----------------------------------------------------------------------------
# Include target-rule boilerplate
+# Don't use the default MKDEPENDHS stuff... we'll do our own, below
+MKDEPENDHS_SRCS =
+MKDEPENDC_SRCS =
+
+# Make doesn't work this out for itself, it seems
+parser/Parser.y : parser/Parser.y.pp
+EXTRA_SRCS += parser/Parser.y
+
+
+#-----------------------------------------------------------------------------
+# Source files for tags file generation
+#
+# We want to excluded derived sources, because they won't be in the source
+# tree, which is where we are going to move the TAGS file to.a
+
+TAGS_HS_SRCS = parser/Parser.y.pp $(filter-out $(DERIVED_SRCS) main/Config.hs parser/Parser.y, $(sort $(SRCS)))
+
+
include $(TOP)/mk/target.mk
+
+# -----------------------------------------------------------------------------
+# Dependencies
+
+MKDEPENDHS_HC_OPTS = $(patsubst -i$(odir)/%, -i%, $(HC_OPTS))
+
+MKDEPENDHS=$(HC)
+
+# Must do this *after* including target.mk, because $(HS_SRCS) isn't set yet.
+depend :: $(HS_SRCS) $(C_SRCS)
+ touch .depend-BASE
+ifneq "$(BootingFromHc)" "YES"
+ $(MKDEPENDHS) -M -optdep-f -optdep.depend-BASE $(foreach way,$(WAYS),-optdep-s -optdep$(way)) $(foreach obj,$(MKDEPENDHS_OBJ_SUFFICES),-osuf $(obj)) $(MKDEPENDHS_OPTS) $(filter-out -split-objs, $(MKDEPENDHS_HC_OPTS)) $(HS_SRCS)
+endif
+ $(MKDEPENDC) -f .depend-BASE $(MKDEPENDC_OPTS) $(foreach way,$(WAYS),-s $(way)) -- $(CC_OPTS) -- $(C_SRCS)
+ $(PERL) -pe 'binmode(stdin); binmode(stdout); s@^(\S*\.o)@stage$(stage)/$$1@g; s@(\S*\.hi)@stage$(stage)/$$1@g' <.depend-BASE >.depend-$(stage)
+# The binmode stuff tells perl not to add stupid ^M's to the output
+
+-include .depend-$(stage)
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