# -----------------------------------------------------------------------------
# $Id: Makefile,v 1.38 1998/04/16 10:04:12 sof Exp $

TOP = ..
include $(TOP)/mk/boilerplate.mk

#-----------------------------------------------------------------------------
# Building hsc different ways (default is just `normal' sequential)
WAYS=$(GhcCompilerWays)

#-----------------------------------------------------------------------------
#		Set SUBDIRS

ifeq ($(IncludeTestDirsInBuild),YES)
  SUBDIRS = tests
endif

# -----------------------------------------------------------------------------
#		Set HS_PROG, LIBRARY
# Setting HS_PROG and LIBRARY causes all targets in target.mk
# (included below) to kick in.

LIBRARY=libhsp.a

#
# Note: there have been reports of people running up against the ARG_MAX limit
# when linking hsc with all its constituent object files. The likely source of 
# the problem is that the environment is a bit too big, so a workaround could
# be to do ` env PATH=$(PATH) make hsc 'to minimise the environment. (or the
# equivalent of `env' if it doesn't exist locally).
#
HS_PROG=hsc


# -----------------------------------------------------------------------------
#		Compilation history for Patrick

# Make the sources first, because that's what the compilation history needs
$(HS_PROG) :: $(HS_SRCS)


# -----------------------------------------------------------------------------
# 		Set SRCS, LOOPS, HCS, OBJS
#
# First figure out DIRS, the source sub-directories
# Then derive SRCS by looking in them
#

DIRS = \
  utils basicTypes types hsSyn prelude rename typecheck deSugar coreSyn \
  specialise simplCore stranal stgSyn simplStg codeGen absCSyn main \
  reader profiling parser


ifeq ($(GhcWithNativeCodeGen),YES)
DIRS += nativeGen
else
SRC_HC_OPTS += -DOMIT_NATIVE_CODEGEN
endif


HS_SRCS = $(SRCS_UGNHS) \
          $(foreach dir,$(DIRS),$(wildcard $(dir)/*.lhs)) \
	  rename/ParseIface.hs

# NB: it's no good to include *.hs in the top-line wildcard, because the .hs files
#     in parser/ may not have been created at that point.

HCS      = $(patsubst %.lhs, %.hc, $(patsubst %.hs, %.hc, $(HS_SRCS)))


HS_OBJS  = \
  $(patsubst %.hc, %.o, $(HCS)) \
  parser/hsclink.o parser/hschooks.o libhsp.a


DESTDIR       = $(INSTALL_LIBRARY_DIR_GHC)

SRCS_UGN      = $(wildcard parser/*.ugn)
SRCS_UGNC     = $(patsubst %.ugn, %.c, $(SRCS_UGN))
SRCS_UGNH     = $(patsubst %.ugn, %.h, $(SRCS_UGN))
SRCS_UGNHS    = $(patsubst parser/%.ugn, parser/U_%.hs, $(SRCS_UGN))
SRCS_UGN_OBJS = $(patsubst %.c, %.o, $(SRCS_UGNC))

#
# Add the generated C files to the C_SRCS, so as to let `depend'
# generate correct dependencies for them.
#
C_SRCS += $(SRCS_UGNC)

LIBOBJS = \
  $(SRCS_UGN_OBJS) parser/hslexer.o parser/hsparser.tab.o \
  parser/id.o parser/infix.o parser/syntax.o parser/type2context.o \
  parser/util.o

#
# stuff you get for free in a source distribution
# 
SRC_DIST_FILES += rename/ParseIface.hs \
 parser/U_tree.c parser/tree.h parser/tree.c \
 parser/hsparser.tab.c parser/hsparser.tab.h \
 parser/hslexer.c

# -----------------------------------------------------------------------------
# 		Haskell compilations

#
# Compiler to use for building hsc, use the build tree
# driver when booting.
#
ifneq "$(GhcWithHscBuiltViaC)" "YES"
HC=$(WithGhcHc)
else
HC=$(GHC_DRIVER_DIR)/ghc
endif

# 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 $(space),:,$(DIRS))

SRC_CC_OPTS += -Iparser -I. -I$(TOP)/includes -O

SRC_HC_OPTS += -recomp $(GhcHcOpts)

# 	Special flags for particular modules
#	The standard suffix rule for compiling a Haskell file
#	adds these flags to the command line

absCSyn/CStrings_HC_OPTS 	= -monly-3-regs

# Was 6m with 2.10
absCSyn/PprAbsC_HC_OPTS 	= -H10m

basicTypes/IdInfo_HC_OPTS 	= -K2m
hsSyn/HsExpr_HC_OPTS 		= -K2m
main/Main_HC_OPTS 		= -fvia-C -DPROJECTVERSION=$(GhcProjectVersion)
main/MkIface_HC_OPTS            = -DPROJECTVERSION=$(GhcProjectVersionInt)
main/CmdLineOpts_HC_OPTS 	= -fvia-C
nativeGen/PprMach_HC_OPTS 	= -K2m
nativeGen/MachMisc_HC_OPTS 	= -K2m -fvia-C
nativeGen/MachCode_HC_OPTS 	= -H10m
parser/UgenAll_HC_OPTS 		= -fvia-C '-\#include"hspincl.h"'
parser/UgenUtil_HC_OPTS 	= -fvia-C '-\#include"hspincl.h"'
parser/U_constr_HC_OPTS 	= -fvia-C '-\#include"hspincl.h"'
parser/U_binding_HC_OPTS 	= -fvia-C '-\#include"hspincl.h"'
parser/U_pbinding_HC_OPTS 	= -fvia-C '-\#include"hspincl.h"'
parser/U_entidt_HC_OPTS 	= -fvia-C '-\#include"hspincl.h"'
parser/U_list_HC_OPTS 		= -fvia-C '-\#include"hspincl.h"'
parser/U_literal_HC_OPTS 	= -fvia-C '-\#include"hspincl.h"'
parser/U_maybe_HC_OPTS 		= -fvia-C '-\#include"hspincl.h"'
parser/U_either_HC_OPTS 	= -fvia-C '-\#include"hspincl.h"'
parser/U_qid_HC_OPTS 		= -fvia-C '-\#include"hspincl.h"'
parser/U_tree_HC_OPTS 		= -H12m -fvia-C '-\#include"hspincl.h"'
parser/U_ttype_HC_OPTS 		= -fvia-C '-\#include"hspincl.h"'
prelude/PrimOp_HC_OPTS 		= -H12m -K3m
reader/Lex_HC_OPTS		= -K2m -H16m -fvia-C -DPROJECTVERSION=$(GhcProjectVersionInt)

# Heap was 6m with 2.10
reader/ReadPrefix_HC_OPTS 	= -fvia-C '-\#include"hspincl.h"' -H10m

rename/ParseIface_HC_OPTS 	+= -Onot -H30m -fno-warn-incomplete-patterns
rename/ParseIface_HAPPY_OPTS    += -g

ifeq "$(TARGETPLATFORM)" "hppa1.1-hp-hpux9"
rename/RnMonad_HC_OPTS 		= -fvia-C -O2 -O2-for-C
else
endif
rename/RnEnv_HC_OPTS 		= -fvia-C
rename/RnSource_HC_OPTS		= -H12m
rename/RnIfaces_HC_OPTS		= -H8m -fvia-C
rename/RnExpr_HC_OPTS		= -H10m
rename/RnNames_HC_OPTS		= -H12m
rename/RnMonad_HC_OPTS		= -fvia-C
specialise/Specialise_HC_OPTS 	= -Onot -H12m
typecheck/TcGenDeriv_HC_OPTS	= -H10m

# Was 10m for 2.10
typecheck/TcHsSyn_HC_OPTS	= -H15m	

# Was 10m for 2.10
typecheck/TcExpr_HC_OPTS	= -H15m

typecheck/TcEnv_HC_OPTS		= -H10m
utils/Argv_HC_OPTS 		= -fvia-C -monly-3-regs
utils/SST_HC_OPTS 		= -fvia-C
utils/PrimPacked_HC_OPTS	= -fvia-C -monly-3-regs
utils/FastString_HC_OPTS	= -fvia-C -monly-3-regs
utils/StringBuffer_HC_OPTS	= -fvia-C -fno-prune-tydecls
utils/Digraph_HC_OPTS		= -fglasgow-exts -fvia-C
utils/Outputable_HC_OPTS	= -monly-3-regs

# Strictness analyser misbehaving in 2.10, fails to terminate on
# UpdAnal.lhs due to weird recursive datatype.  Bug was exposed by a
# separate bugfix to the fixpoint finder.
simplStg/UpdAnal_HC_OPTS	= -fno-strictness

# ----------------------------------------------------------------------------
#		C compilations

SRC_C_OPTS     += -O -Iparser -I. -IcodeGen


# ----------------------------------------------------------------------------
#		Parsers/lexers

# Main parser uses Yacc/Bison
SRC_YACC_OPTS  += -d -v
# Suppress the generation of a default rule
SRC_FLEX_OPTS += -s

#
# Want to keep the intermediate (included in src distribs).
#
.PRECIOUS: %.tab.c %.tab.h parser/hslexer.c

parser/hschooks.o : parser/hschooks.c
	@$(RM) $@
	$(HC) -c -o $@ $(HCFLAGS) parser/hschooks.c


# Interface-file parser uses Happy
SRC_HAPPY_OPTS += +RTS -K2m -H10m -RTS

rename/ParseIface.hs : rename/ParseIface.y
	@$(RM) rename/ParseIface.hs rename/ParseIface.hinfo
	$(HAPPY) $(HAPPY_OPTS) -g rename/ParseIface.y
	@chmod 444 rename/ParseIface.hs

#----------------------------------------------------------------------
#
# Building the stand-alone parser
#
all :: hsp

hsp: parser/printtree.o parser/main.o libhsp.a 
	$(CC) -o $@ $(CC_OPTS) $^

CLEAN_FILES += hsp

#-----------------------------------------------------------------------------
# 		Linking

SRC_LD_OPTS += -no-link-chk

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

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

INSTALL_LIBEXECS += hsc hsp

#-----------------------------------------------------------------------------
# 		depend

#
# Before doing `make depend', need to build all derived Haskell source files
#
depend :: $(LOOPS) $(SRCS_UGNHS) rename/ParseIface.hs

#-----------------------------------------------------------------------------
# 		clean

CLEAN_FILES += $(wildcard */*.$(way_)o */*.$(way_)hi) \
               $(SRCS_UGNC) $(SRCS_UGNH) \
               $(SRCS_UGNHS)\
	       parser/hslexer.c parser/hsparser.tab.h parser/hsparser.tab.c

# Extra tidy, remove the .hc files (if you've got them).
MAINTAINER_CLEAN_FILES += $(wildcard */*.hc)


#-----------------------------------------------------------------------------
# 		TAGS setup

SRC_HSTAGS_OPTS += -fglasgow-exts -cpp
TAGS_HS_SRCS=$(foreach dir,$(DIRS),$(wildcard $(dir)/*.lhs))
TAGS_C_SRCS=$(strip $(foreach f,$(foreach dir,$(DIRS),$(wildcard $(dir)/*.c)),$(shell if [ -w $(f) ]; then echo $(f); else echo ''; fi)))

#-----------------------------------------------------------------------------
# 		Include target-rule boilerplate

include $(TOP)/mk/target.mk


#
# Special extra dependencies for yukky ugen stuff
#

parser/%.o : parser/%.c $(SRCS_UGNH)
parser/hslexer.o : parser/hslexer.c parser/hsparser.tab.h

parser/hspincl.h : $(SRCS_UGNH)
parser/UgenAll.o : parser/hspincl.h
parser/UgenUtil.o : parser/hspincl.h
parser/U_constr.o : parser/hspincl.h
parser/U_binding.o : parser/hspincl.h
parser/U_pbinding.o : parser/hspincl.h
parser/U_entidt.o : parser/hspincl.h
parser/U_list.o : parser/hspincl.h
parser/U_literal.o : parser/hspincl.h
parser/U_maybe.o : parser/hspincl.h
parser/U_either.o : parser/hspincl.h
parser/U_qid.o : parser/hspincl.h
parser/U_tree.o : parser/hspincl.h
parser/U_ttype.o : parser/hspincl.h
parser/printtree.o : parser/hspincl.h
reader/ReadPrefix.o : parser/hspincl.h