#!/usr/bin/env tclsh

set prefix "tmp/"
set suffix " \\\n\t"

set srcSuf {.$(SrcSuf)}
set objSuf {.$(ObjSuf)}
set exeSuf {$(ExeSuf)}

proc dependencies {fileName firstLine {force 1} {command {}}} {
  global suffix headerFiles sourceFiles

  if {[info exists sourceFiles($fileName)]} return

  set sourceFiles($fileName) 1

  set list {}
  set fid [open $fileName]
  while {! [eof $fid]} {
    set line [gets $fid]
    if [regexp -- {^\s*#include\s*"((\w+/)+\w+\.(h|hh))"} $line] {
      set elements [split $line {"}]
      set file [lindex $elements 1]
      if [file exists $file] {
        lappend list $file
        set headerFiles($file) 1
      } elseif [file exists external/$file] {
        lappend list external/$file
        set headerFiles(external/$file) 1
	  }
    }
  }

  if {[llength $list] > 0} {
    puts -nonewline $firstLine
    foreach file $list {puts -nonewline $suffix$file}
    if {$command != {}} {
      puts ""
      puts $command
    }
    puts ""
  } elseif {$force} {
    puts -nonewline $firstLine
    if {$command != {}} {
      puts ""
      puts $command
    }
    puts ""
  }

  close $fid
}

proc dictDeps {dictVar args} {

  global prefix suffix srcSuf objSuf

  set dict [eval glob -nocomplain $args]

  set dictSrcFiles {}
  set dictObjFiles {}

  foreach fileName $dict {
    regsub {LinkDef\.h} $fileName {Dict} dictName
    set dictName $prefix$dictName

    lappend dictSrcFiles $dictName$srcSuf
    lappend dictObjFiles $dictName$objSuf

    dependencies $fileName "$dictName$srcSuf:$suffix$fileName"
  }

  puts -nonewline "${dictVar} = $suffix"
  puts [join $dictSrcFiles $suffix]
  puts ""

  puts -nonewline "${dictVar}_OBJ = $suffix"
  puts [join $dictObjFiles $suffix]
  puts ""

}

proc sourceDeps {srcPrefix args} {

  global prefix suffix srcSuf objSuf

  set source [eval glob -nocomplain $args]

  set srcObjFiles {}
  set srcObjFilesPythia8 {}

  foreach fileName $source {
    regsub {\.cc} $fileName {} srcName
    set srcObjName $prefix$srcName
    
    if {$fileName == "modules/PileUpMergerPythia8.cc"} {
      lappend srcObjFilesPythia8 $srcObjName$objSuf
    } else {
      lappend srcObjFiles $srcObjName$objSuf
    }

    dependencies $fileName "$srcObjName$objSuf:$suffix$srcName$srcSuf"
  }

  puts -nonewline "${srcPrefix}_OBJ = $suffix"
  puts [join $srcObjFiles $suffix]
  puts ""
  
  puts {ifeq ($(HAS_PYTHIA8),true)}
  puts -nonewline "${srcPrefix}_OBJ += $suffix"
  puts [join $srcObjFilesPythia8 $suffix]
  puts {endif}
}

proc tclDeps {} {

  global prefix suffix srcSuf objSuf

  set source [glob -nocomplain {external/tcl/*.c}]

  set srcObjFiles {}

  foreach fileName $source {
    if {$fileName == "tcl/tclc.c" || $fileName == "tcl/tcl.c"} continue

    regsub {\.c} $fileName {} srcName
    set srcObjName $prefix$srcName

    lappend srcObjFiles $srcObjName$objSuf

    dependencies $fileName "$srcObjName$objSuf:$suffix$fileName"
  }

  puts -nonewline "TCL_OBJ = $suffix"
  puts [join $srcObjFiles $suffix]
  puts ""
}

proc executableDeps {} {

  global prefix suffix objSuf exeSuf

  set executable [glob -nocomplain {readers/*.cpp} {converters/*.cpp} {examples/*.cpp}]

  set exeFiles {}

  foreach fileName $executable {
    if {$fileName == "examples/DelphesCMSFWLite.cpp" || $fileName == "examples/DelphesProMC.cpp"} continue

    regsub {\.cpp} $fileName {} exeObjName
    set exeObjName $prefix$exeObjName
    set exeName [file tail $exeObjName]

    lappend exeFiles $exeName$exeSuf
    lappend exeObjFiles $exeObjName$objSuf

    puts "$exeName$exeSuf:$suffix$exeObjName$objSuf"
    puts ""

    dependencies $fileName "$exeObjName$objSuf:$suffix$fileName"
  }

  if [info exists exeFiles] {
    puts -nonewline "EXECUTABLE = $suffix"
    puts [join $exeFiles $suffix]
    puts ""
  }
  if [info exists exeObjFiles] {
    puts -nonewline "EXECUTABLE_OBJ = $suffix"
    puts [join $exeObjFiles $suffix]
    puts ""
  }

}

proc headerDeps {} {
  global suffix headerFiles

  foreach fileName [array names headerFiles] {
    dependencies $fileName "$fileName:" 0 "\t@touch \$@"
  }
}

puts {
#
# Makefile for ExRootAnalysis
#
# Author: P. Demin - UCL, Louvain-la-Neuve
#
# multi-platform configuration is taken from ROOT (root/test/Makefile.arch)
#

include doc/Makefile.arch

ifeq ($(ARCH),macosx64)
UNDEFOPT = dynamic_lookup
endif

SrcSuf = cc

CXXFLAGS += $(ROOTCFLAGS) -Wno-write-strings -D_FILE_OFFSET_BITS=64 -DDROP_CGAL -I. -Iexternal -Iexternal/tcl
DELPHES_LIBS = $(shell $(RC) --libs) -lEG $(SYSLIBS)
DISPLAY_LIBS = $(shell $(RC) --evelibs) $(SYSLIBS)

ifneq ($(PYTHIA8),)
HAS_PYTHIA8 = true
CXXFLAGS += -DHAS_PYTHIA8 -I$(PYTHIA8)/include
DELPHES_LIBS += -L$(PYTHIA8)/lib -lpythia8 -llhapdfdummy
else
ifneq ($(PYTHIA8DATA),)
HAS_PYTHIA8 = true
CXXFLAGS += -DHAS_PYTHIA8 -I$(PYTHIA8DATA)/../include
DELPHES_LIBS += -L$(PYTHIA8DATA)/../lib -lpythia8 -llhapdfdummy
else
ifneq ($(PYTHIA8DATA),)
HAS_PYTHIA8 = true
CXXFLAGS += -DHAS_PYTHIA8 -I$(PYTHIA8DATA)/../include
DELPHES_LIBS += -L$(PYTHIA8DATA)/../lib/archive -lpythia8 -llhapdfdummy
endif
endif

###

DELPHES = libDelphes.$(DllSuf)
DELPHESLIB = libDelphes.lib

DISPLAY = libDelphesDisplay.$(DllSuf)
DISPLAYLIB = libDelphesDisplay.lib

VERSION = $(shell cat VERSION)
DISTDIR = Delphes-$(VERSION)
DISTTAR = $(DISTDIR).tar.gz

all:

}

executableDeps

dictDeps {DELPHES_DICT} {classes/*LinkDef.h} {modules/*LinkDef.h} {external/ExRootAnalysis/*LinkDef.h}

dictDeps {DISPLAY_DICT} {display/*LinkDef.h}

sourceDeps {DELPHES} {classes/*.cc} {modules/*.cc} {external/ExRootAnalysis/*.cc} {external/fastjet/*.cc} {external/fastjet/tools/*.cc} {external/fastjet/plugins/*/*.cc}

sourceDeps {DISPLAY} {display/*.cc}

tclDeps

headerDeps

puts {

###

all: $(DELPHES) $(EXECUTABLE)

display: $(DISPLAY)

$(DELPHES): $(DELPHES_DICT_OBJ) $(DELPHES_OBJ) $(TCL_OBJ)
	@mkdir -p $(@D)
	@echo ">> Building $@"
ifeq ($(ARCH),aix5)
	@$(MAKESHARED) $(OutPutOpt) $@ $(DELPHES_LIBS) -p 0 $^
else
ifeq ($(PLATFORM),macosx)
# We need to make both the .dylib and the .so
	@$(LD) $(SOFLAGS)$@ $(LDFLAGS) $^ $(OutPutOpt) $@ $(DELPHES_LIBS)
ifneq ($(subst $(MACOSX_MINOR),,1234),1234)
ifeq ($(MACOSX_MINOR),4)
	@ln -sf $@ $(subst .$(DllSuf),.so,$@)
endif
endif
else
ifeq ($(PLATFORM),win32)
	@bindexplib $* $^ > $*.def
	@lib -nologo -MACHINE:IX86 $^ -def:$*.def $(OutPutOpt)$(DELPHESLIB)
	@$(LD) $(SOFLAGS) $(LDFLAGS) $^ $*.exp $(DELPHES_LIBS) $(OutPutOpt)$@
	@$(MT_DLL)
else
	@$(LD) $(SOFLAGS) $(LDFLAGS) $^ $(OutPutOpt) $@ $(DELPHES_LIBS)
	@$(MT_DLL)
endif
endif
endif

$(DISPLAY): $(DELPHES_DICT_OBJ) $(DISPLAY_DICT_OBJ) $(DELPHES_OBJ) $(DISPLAY_OBJ) $(TCL_OBJ)
	@mkdir -p $(@D)
	@echo ">> Building $@"
ifeq ($(ARCH),aix5)
	@$(MAKESHARED) $(OutPutOpt) $@ $(DISPLAY_LIBS) -p 0 $^
else
ifeq ($(PLATFORM),macosx)
# We need to make both the .dylib and the .so
	@$(LD) $(SOFLAGS)$@ $(LDFLAGS) $^ $(OutPutOpt) $@ $(DISPLAY_LIBS)
ifneq ($(subst $(MACOSX_MINOR),,1234),1234)
ifeq ($(MACOSX_MINOR),4)
	@ln -sf $@ $(subst .$(DllSuf),.so,$@)
endif
endif
else
ifeq ($(PLATFORM),win32)
	@bindexplib $* $^ > $*.def
	@lib -nologo -MACHINE:IX86 $^ -def:$*.def $(OutPutOpt)$(DISPLAYLIB)
	@$(LD) $(SOFLAGS) $(LDFLAGS) $^ $*.exp $(DISPLAY_LIBS) $(OutPutOpt)$@
	@$(MT_DLL)
else
	@$(LD) $(SOFLAGS) $(LDFLAGS) $^ $(OutPutOpt) $@ $(DISPLAY_LIBS)
	@$(MT_DLL)
endif
endif
endif

clean:
	@rm -f $(DELPHES_DICT_OBJ) $(DISPLAY_DICT_OBJ) $(DELPHES_OBJ) $(DISPLAY_OBJ) $(TCL_OBJ) core
	@rm -rf tmp

distclean: clean
	@rm -f $(DELPHES) $(DELPHESLIB) $(DISPLAY) $(DISPLAYLIB) $(EXECUTABLE)

dist:
	@echo ">> Building $(DISTTAR)"
	@mkdir -p $(DISTDIR)
	@cp -a CREDITS README VERSION Makefile configure classes converters display doc examples external modules python readers $(DISTDIR)
	@find $(DISTDIR) -depth -name .\* -exec rm -rf {} \;
	@tar -czf $(DISTTAR) $(DISTDIR)
	@rm -rf $(DISTDIR)

###

.SUFFIXES: .$(SrcSuf) .$(ObjSuf) .$(DllSuf)

%Dict.$(SrcSuf):
	@mkdir -p $(@D)
	@echo ">> Generating $@"
	@rootcint -f $@ -c $(CXXFLAGS) $<
	@echo "#define private public" > $@.arch
	@echo "#define protected public" >> $@.arch
	@mv $@ $@.base
	@cat $@.arch $< $@.base > $@
	@rm $@.arch $@.base

$(DELPHES_OBJ): tmp/%.$(ObjSuf): %.$(SrcSuf)
	@mkdir -p $(@D)
	@echo ">> Compiling $<"
	@$(CXX) $(CXXFLAGS) -c $< $(OutPutOpt)$@

$(DISPLAY_OBJ): tmp/%.$(ObjSuf): %.$(SrcSuf)
	@mkdir -p $(@D)
	@echo ">> Compiling $<"
	@$(CXX) $(CXXFLAGS) -c $< $(OutPutOpt)$@

$(DELPHES_DICT_OBJ): %.$(ObjSuf): %.$(SrcSuf)
	@mkdir -p $(@D)
	@echo ">> Compiling $<"
	@$(CXX) $(CXXFLAGS) -c $< $(OutPutOpt)$@

$(DISPLAY_DICT_OBJ): %.$(ObjSuf): %.$(SrcSuf)
	@mkdir -p $(@D)
	@echo ">> Compiling $<"
	@$(CXX) $(CXXFLAGS) -c $< $(OutPutOpt)$@

$(TCL_OBJ): tmp/%.$(ObjSuf): %.c
	@mkdir -p $(@D)
	@echo ">> Compiling $<"
	@gcc $(CXXFLAGS) -c $< $(OutPutOpt)$@

$(EXECUTABLE_OBJ): tmp/%.$(ObjSuf): %.cpp
	@mkdir -p $(@D)
	@echo ">> Compiling $<"
	@$(CXX) $(CXXFLAGS) -c $< $(OutPutOpt)$@

$(EXECUTABLE): %$(ExeSuf): $(DELPHES_DICT_OBJ) $(DELPHES_OBJ) $(TCL_OBJ)
	@echo ">> Building $@"
	@$(LD) $(LDFLAGS) $^ $(DELPHES_LIBS) $(OutPutOpt)$@

###

}