#!/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
      }
    }
  }
  
  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 {}
  
  foreach fileName $source {
    regsub {\.cc} $fileName {} srcName
    set srcObjName $prefix$srcName
  
    lappend srcObjFiles $srcObjName$objSuf
  
    dependencies $fileName "$srcObjName$objSuf:$suffix$srcName$srcSuf"
  }

  puts -nonewline "${srcPrefix}_OBJ = $suffix"
  puts [join $srcObjFiles $suffix]
  puts ""
}

proc stdhepDeps {} {

  global prefix suffix srcSuf objSuf
   
  set source [glob -nocomplain {Utilities/mcfio/*.c} {Utilities/stdhep/*.c}]
  
  set srcObjFiles {}

  foreach fileName $source {
    regsub {\.c} $fileName {} srcName
    set srcObjName $prefix$srcName
  
    lappend srcObjFiles $srcObjName$objSuf
  
    dependencies $fileName "$srcObjName$objSuf:$suffix$fileName"
  }
  
  puts -nonewline "STDHEP_OBJ = $suffix"
  puts [join $srcObjFiles $suffix]
  puts ""
}

proc stdhepExecutableDeps {} {

  global prefix suffix objSuf exeSuf
   
  set executable [glob -nocomplain {Delphes.cpp} {Resolutions.cpp}]
                                
  set exeFiles {}
  
  foreach fileName $executable {
    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 "STDHEP_EXECUTABLE = $suffix"
    puts [join $exeFiles $suffix]
    puts ""
  }
  if [info exists exeObjFiles] {
    puts -nonewline "STDHEP_EXECUTABLE_OBJ = $suffix"
    puts [join $exeObjFiles $suffix]
    puts ""
  }

}

proc executableDeps {args} {

  global prefix suffix objSuf exeSuf
   
  set executable [eval glob -nocomplain $args]
  
  set exeFiles {}
  
  foreach fileName $executable {
    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 Delphes, a Fast Simulator for general-purpose detectors at the LHC
#
# Author: S. Ovyn, X. Rouby - UCL, Louvain-la-Neuve
# -- inspired by P. Demin's work on ExRootAnalysis (UCL, Louvain-la-Neuve)
# -- the multi-platform configuration is taken from ROOT (root/test/Makefile.arch)
#

include $(ROOTSYS)/test/Makefile.arch

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

SrcSuf = cc

#CXXFLAGS += $(ROOTCFLAGS) -DDROP_CGAL -Iinterface -IUtilities/CDFCones/interface -IUtilities/ExRootAnalysis/interface -IUtilities/mcfio -IUtilities/stdhep -IUtilities/Hector/include 
CXXFLAGS += $(ROOTCFLAGS) -DDROP_CGAL -I. -IUtilities/mcfio -IUtilities/stdhep -IUtilities/Hector/include -IUtilities/CDFCones/interface
LIBS = $(ROOTLIBS) -lEG $(SYSLIBS)
GLIBS = $(ROOTGLIBS) $(SYSLIBS)
	
###

SHARED = lib/libUtilities.$(DllSuf) lib/libHector.$(DllSuf)

all:

}

executableDeps {*.cpp} 

dictDeps {DICT} {Utilities/ExRootAnalysis/src/*LinkDef.h}

sourceDeps {SOURCE} {src/*.cc} {Utilities/ExRootAnalysis/src/*.cc} {Utilities/Hector/src/*.cc} {Utilities/CDFCones/src/*cc} {Utilities/Fastjet/src/*.cc} {Utilities/Fastjet/plugins/CDFCones/*.cc} {Utilities/Fastjet/plugins/CDFCones/src/*.cc} {Utilities/Fastjet/plugins/SISCone/*.cc} {Utilities/Fastjet/plugins/SISCone/src/*.cc}

stdhepDeps

headerDeps

puts {

###

all: $(SHARED) $(EXECUTABLE) $(STDHEP_EXECUTABLE)

$(SHARED): $(DICT_OBJ) $(SOURCE_OBJ) 
	@mkdir -p $(@D)
	@echo ">> Building $@"
ifeq ($(ARCH),aix)
	@/usr/ibmcxx/bin/makeC++SharedLib $(OutPutOpt) $@ $(LIBS) -p 0 $^
else
ifeq ($(ARCH),aix5)
	@/usr/vacpp/bin/makeC++SharedLib $(OutPutOpt) $@ $(LIBS) -p 0 $^
else
ifeq ($(PLATFORM),macosx)
# We need to make both the .dylib and the .so
	@$(LD) $(SOFLAGS) $^ $(OutPutOpt) $@
	@$(LD) -bundle -undefined $(UNDEFOPT) $(LDFLAGS) $^ $(LIBS) $(OutPutOpt) $(subst .$(DllSuf),.so,$@)
else
ifeq ($(PLATFORM),win32)
	@bindexplib $* $^ > $*.def
	@lib -nologo -MACHINE:IX86 $^ -def:$*.def $(OutPutOpt)$(EVENTLIB)
	@$(LD) $(SOFLAGS) $(LDFLAGS) $^ $*.exp $(LIBS) $(OutPutOpt)$@
	@$(MT_DLL)
else
	@$(LD) $(SOFLAGS) $(LDFLAGS) $^ $(OutPutOpt) $@ $(EXPLLINKLIBS)
	@$(MT_DLL)
endif
endif
endif
endif

clean:
	@rm -f $(DICT_OBJ) $(SOURCE_OBJ) $(STDHEP_OBJ) core

distclean: clean
	@rm -f $(SHARED) $(EXECUTABLE) $(STDHEP_EXECUTABLE)

###

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

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

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

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

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

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

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

$(EXECUTABLE): %$(ExeSuf): $(DICT_OBJ) $(SOURCE_OBJ) $(STDHEP_OBJ)
	@echo ">> Building $@"
	@$(LD) $(LDFLAGS) $^ $(LIBS) $(OutPutOpt)$@

###

}