#,===-- Makefile.rules.am - Common make rules for LLVM ------*- Makefile -*--===#
#
#                     The LLVM Compiler Infrastructure
#
# This file was developed by Reid Spencer and is distributed under the 
# University of Illinois Open Source License. See LICENSE.TXT for details.
# 
#===------------------------------------------------------------------------===#

#
# LLVM Specific C/C++ compiler flags
# 
LLVM_COMMONFLAGS := -Wall -W -Wwrite-strings -Wno-unused -Wcast-align
LLVM_CXXFLAGS    := 
LLVM_CFLAGS      :=
LLVM_CPPFLAGS    := \
  -I. \
  -I$(srcdir) \
  -I$(top_srcdir)/include \
  -I$(top_builddir)/include \
  -D_RENTRANT -D_GNU_SOURCE -D__STDC_LIMIT_MACROS

ifeq ($(BUILDMODE),Profile)
  LLVM_CPPFLAGS  += -DNDEBUG
  LLVM_CXXFLAGS  += -pg -O3 -finline-functions -felide-constructors
  LLVM_CFLAGS    += -pg
else
  ifeq ($(BUILDMODE),Release)
    LLVM_CPPFLAGS  += -DNDEBUG
    LLVM_CXXFLAGS  += -O3 -finline-functions -fomit-frame-pointer -felide-constructors
    LLVM_CFLAGS    += -O3
  else
    LLVM_CPPFLAGS  += -D_DEBUG
    LLVM_CXXFLAGS  += -O1
    LLVM_CFLAGS    += -O1
  endif
endif

LDIR = $(top_builddir)/$(BUILDMODE)/lib
BDIR = $(top_builddir)/$(BUILDMODE)/bin
DDIR = $(top_builddir)/$(BUILDMODE)/data
EDIR = $(top_builddir)/$(BUILDMODE)/etc

# Required tool definitions as macros so they can be overridden
LINKLIB    := ${LIBTOOL} --tag=CXX --mode=link $(CXX) -o

BURG       := $(top_builddir)/utils/Burg/burg$(EXEEXT)
RunBurg    := $(BURG) -I
TBLGEN     := $(top_builddir)/utils/TableGen/TableGen$(EXEEXT)
LGCCLDPROG := $(top_builddir)/tools/gccld/gccld$(EXEEXT)

# Set up the standard automake variables
#
AM_CPPFLAGS  = $(LLVM_CPPFLAGS) 
AM_CXXFLAGS  = $(LLVM_COMMONFLAGS) $(LLVM_CXXFLAGS)
AM_CFLAGS    = $(LLVM_COMMONFLAGS) $(LLVM_CFLAGS)
AM_LDFLAGS   = -L$(LDIR)

# LLVM GNU Make Function macros
GETOBJ       = $(patsubst %,$(LDIR)/LLVM%.o,$(1))
GETLIB       = $(patsubst %,-lLLVM%,$(1))
GETOBJS      = $(foreach I,$(1) $(2) $(3) $(4) $(5) $(6) $(7) $(8) $(9) $(10),$(call GETOBJ,$(I)))
GETLIBS      = $(foreach I,$(1) $(2) $(3) $(4) $(5) $(6) $(7) $(8) $(9) $(10),$(call GETLIB,$(I)))

# LLVM Rules

ifdef lib_LIBRARIES
lib_LINKS_TO_MAKE = $(foreach L,$(lib_LIBRARIES),$(patsubst lib%.a,$(LDIR)/lib%.a,$(L)))
all-am : $(lib_LINKS_TO_MAKE)

$(LDIR)/lib%.a : lib%.a
	cwd=`pwd` ; cd $(LDIR) ; $(LN) -s $${cwd}/$* .
endif

ifdef bin_PROGRAMS
bin_LINKS_TO_MAKE = $(foreach P,$(bin_PROGRAMS),$(patsubst %,$(BDIR)/%,$(P)))

all-am : $(bin_LINKS_TO_MAKE)

$(BDIR)/% : %
	cwd=`pwd` ; cd $(BDIR) ; $(LN) -s $${cwd}/$* .
endif

ifdef PRELINK
  PRELINK_LIB_NAME = $(LDIR)/$(patsubst lib%.a,%.o,$(PRELINK))
  PRELINK_VAR_NAME = $(patsubst lib%.a,lib%_a,$(PRELINK))_OBJECTS
  PRELINK_OBJECTS  = $($(PRELINK_VAR_NAME))

all-am: $(PRELINK_LIB_NAME)

$(PRELINK_LIB_NAME) : $(PRELINK_OBJECTS)
	$(LIBTOOL) --mode=link $(CXX) -o $(PRELINK_LIB_NAME) $(PRELINK_OBJECTS)

	
clean-am: clean-relink

clean-relink:
	$(RM) -f $(PRELINK_LIB_NAME)
endif

%.cpp: %.l
	@${ECHO} Flexing $<
	$(VERB) $(FLEX) -t $< | \
	$(SED) '/^find_rule/d' | \
	$(SED) 's/void yyunput/inline void yyunput/' | \
	$(SED) 's/void \*yy_flex_realloc/inline void *yy_flex_realloc/' | \
	$(SED) 's/#define YY_BUF_SIZE 16384/#define YY_BUF_SIZE (16384*64)/' > $@.tmp
	$(VERB) $(CMP) -s $@ $@.tmp > /dev/null || ${MV} -f $@.tmp $@
	@# remove the output of flex if it didn't get moved over...
	@$(RM) -f $@.tmp

SUFFIXES = .td

%.c: %.y     # Cancel built-in rules for yacc

%.h: %.y     # Cancel built-in rules for yacc

%.cpp %.h : %.y
	@${ECHO} "Bisoning `basename $<`"
	$(VERB) $(BISON) -v -d -p $(<F:%Parser.y=%) -o $*.tab.c  $<
	$(VERB) $(CMP) -s $*.tab.c $*.cpp > /dev/null || ${MV} -f $*.tab.c $*.cpp
	$(VERB) $(CMP) -s $*.tab.h $*.h   > /dev/null || ${MV} -f $*.tab.h $*.h
	@# If the files were not updated, don't leave them lying around...
	@$(RM) -f $*.tab.c $*.tab.h


%GenRegisterNames.inc : %.td 
	@echo "Building $< register names with tblgen"
	$(VERB) $(TBLGEN) -I $(srcdir) $< -gen-register-enums -o $@

%GenRegisterInfo.h.inc : %.td 
	@echo "Building $< register information header with tblgen"
	$(VERB) $(TBLGEN) -I $(srcdir) $< -gen-register-desc-header -o $@

%GenRegisterInfo.inc : %.td 
	@echo "Building $< register info implementation with tblgen"
	$(VERB) $(TBLGEN) -I $(srcdir) $< -gen-register-desc -o $@

%GenInstrNames.inc : %.td
	@echo "Building $< instruction names with tblgen"
	$(VERB) $(TBLGEN) -I $(srcdir) $< -gen-instr-enums -o $@

%GenInstrInfo.inc : %.td
	@echo "Building $< instruction information with tblgen"
	$(VERB) $(TBLGEN) -I $(srcdir) $< -gen-instr-desc -o $@

%GenAsmWriter.inc : %.td
	@echo "Building $< assembly writer with tblgen"
	$(VERB) $(TBLGEN) -I $(srcdir) $< -gen-asm-writer -o $@

%GenATTAsmWriter.inc : %.td
	@echo "Building $< AT&T assembly writer with tblgen"
	$(VERB) $(TBLGEN) -I $(srcdir) $< -gen-asm-writer -o $@

%GenIntelAsmWriter.inc : %.td
	@echo "Building $< Intel assembly writer with tblgen"
	$(VERB) $(TBLGEN) -I $(srcdir) $< -gen-asm-writer -asmwriternum=1 -o $@

%GenInstrSelector.inc: %.td
	@echo "Building $< instruction selector with tblgen"
	$(VERB) $(TBLGEN) -I $(srcdir) $< -gen-instr-selector -o $@

TDFILES = $(wildcard $(srcdir)/*.td ) $(srcdir)/../Target.td