########################################################################
# Makefile to create dial_root sources.
#
# David Adams
# January 2005
#
# For use with CTG.
#
# List of packages is taken from FULLDEPS which CTG builds from
# LIBDEPS of this and depend packages.
#
########################################################################

# Function to find header file for a component.
hdrfile = $(shell find $(reldir)$(dir $(call pkgcomp, $(1))) \
                       -name $(strip $(1)).h \
          )

# Function to find package/component for a component.
pkgcomp = $(filter %/$(strip $(1)), $(pkgcomps) )

########################################################################

# Release directory
reldir := $(shell ctg_devdir)/

# Fetch the pkgmgr name for root from external/root
rootpkg := $(shell cat $(reldir)/external/root/external/NAME)

# Setup command for rootcint.
rootsetup := pkgsetup.sh $(rootpkg) -b bin -l lib -e ROOTSYS==

########################################################################

# Packages
packages := $(shell cat ../FULLDEPS)
packages := $(filter-out external/gsoap_gsi, $(packages))
packages := $(filter-out external/root, $(packages))
packages := $(filter-out dataset/dataset_mysqlpp, $(packages))

# Packages with directories
pkgdirs := $(foreach pkg, $(packages), $(reldir)$(pkg))

# package/component list
pkgcomps :=
#pkgcomps += dial/dial_root/string
pkgloop := $(foreach pkg, $(filter-out dial/dial_root, $(packages)), \
              $(shell echo $(pkg)) )

pkgcomps += $(foreach pkg, $(filter-out dial/dial_root, $(packages)), \
              $(foreach comp, \
                $(shell dir=$(reldir)$(pkg); \
                        rfile=$$dir/ROOTDICT; \
                        cfile=$$dir/COMPONENTS; \
                        if test -r $$rfile; then cat $$rfile; else \
                        if test -r $$cfile; then cat $$cfile; fi; fi), \
                $(pkg)/$(comp) \
              ) \
            )

# component names
components := $(foreach pcomp, $(pkgcomps), $(notdir $(pcomp)))

# List of dictionary cxx files to be created.
dicts := $(foreach comp, $(components), $(comp)Dict.cxx )

# List of dictionary header files to be created.
dicthdrs := $(foreach comp, $(components), $(comp)Dict.h )

# List of Link def files to be created.
linkdefs := $(foreach comp, $(components), $(comp)LinkDef.h )

# List of dictionary component test files to be created.
ctests := $(foreach comp, $(components), $(comp)Dict_t.cxx )

# Include directories.
incdirs := $(foreach pkg, $(packages), $(reldir)$(pkg))

#Include string.
includes := $(foreach dir, $(incdirs), -I$(dir))

# CPP flags.
cppflags := -DDEFECT_GCC_2_95 -DDEFECT_ROOT_3_01

# Add extra definitions.
components += Extra
dicts += ExtraDict.cxx
dicthdrs += ExtraDict.h

########################################################################

# Components which have to be processed without a linkdef due to
# defects in rootcint (root release 3.03.09).
#bad_components := Path Environment
#bad_components += EventIdList ContentIdList DatasetIdList
#bad_components += Job
# ROOT 3.05.04
bad_components :=
bad_dicts := $(foreach comp,$(bad_components),$(comp)Dict.cxx)

########################################################################

all: $(dicts) $(ctests) ctest_interface root_interface

show_reldir:
	@echo $(reldir)

show_packages:
	@for pkg in $(packages); do echo $$pkg; done

show_pkgcomps:
	@for pcomp in $(pkgcomps); do \
	  echo $$pcomp; \
	done

show_components:
	@for comp in $(components); do \
	  echo $$comp; \
	done

show_dicts:
	@for dict in $(dicts); do \
	  echo $$dict; \
	done

show_incdirs:
	@for inc in $(incdirs); do \
	  echo $$inc; \
	done

.INTERMEDIATE: %LinkDef.h
.INTERMEDIATE: stringLinkDef.h

# Run rootcint for additional.
ExtraDict.cxx: Extra.h ExtraLinkDef.h
	@echo Making dictionary $@
	@rm -f $@
	@. $(rootsetup); rootcint $@ -c $(includes) Extra.h ExtraLinkDef.h

# Run rootcint to create dictionary source and header
%Dict.cxx: %LinkDef.h
	@echo Making dictionary $@
	. $(rootsetup); rootcint $@ -c $(includes) $(call hdrfile,$*) $<
	@rm $<

# Workaround for rootcint problems.
$(bad_dicts):
	@echo Making dictionary $@ with ROOT workaround
	@. $(rootsetup); rootcint $@ -c $(includes) $(call hdrfile,$(patsubst %Dict.cxx,%,$@))

# Create link def file needed for rootcint
%LinkDef.h:
	@if ! test -r $(@D); then mkdir -p $(@D); fi
	@echo "#ifdef __CINT__" > $@
	@echo "" >> $@
	@echo "#pragma link off all globals;" >> $@
	@echo "#pragma link off all classes;" >> $@
	@echo "#pragma link off all functions;" >> $@
	@echo "" >> $@
	@echo "#pragma link C++ defined_in "$(call hdrfile,$*)";" >> $@
	@echo "#pragma link C++ nestedclasses;" >> $@
	@echo "#pragma link C++ nestedtypedefs;" >> $@
	@echo "" >> $@
	@echo "#endif" >> $@
 
# Special link def for string class
stringLinkDef.h:
	@if ! test -r $(@D); then mkdir $(@D); fi
	@echo 
	@echo Making string link def $@
	@echo "#ifdef __CINT__" > $@
	@echo "" >> $@
	@echo "#pragma link off all globals;" >> $@
	@echo "#pragma link off all classes;" >> $@
	@echo "#pragma link off all functions;" >> $@
	@echo "" >> $@
	@echo "#pragma link C++ class string;" >> $@
	@echo "#pragma link C++ function operator==(const string&, const string&);" >> $@
	@echo "#pragma link C++ function operator+(const string&, const string&);" >> $@
	@echo "" >> $@
	@echo "#endif" >> $@

# Component tests.
# Dummy for now.
%Dict_t.cxx:
	@echo Making component test $@
	@echo "// "$@ > $@
	@echo "" >> $@
	@echo "int "$(basename $@)"() {" >> $@
	@echo "  return 0;" >> $@
	@echo "}" >> $@
	@echo "" >> $@
	@echo "#ifdef CTEST_MAIN" >> $@
	@echo "int main() {" >> $@
	@echo "  return "$(basename $@)"();" >> $@
	@echo "}" >> $@
	@echo "#endif" >> $@

# ctest interface files
.PHONY: ctest_interface
ctest_interface: ../COMPONENTS

../COMPONENTS::
	@echo
	@echo Building $@
	@rm -f $@
	@touch $@
	@for pkg in $(components); do echo $${pkg}Dict >> $@; done

# ROOT files

.PHONY: root_interface force
root_interface: ../root/old_load_dial.cxx
force:

../root/old_load_dial.cxx: force
	@echo
	@echo Building $@
	@echo "// "$@ > $@
	@echo "" >> $@
	@echo "// This file was generated by dial/dial_root/src/Makefile." >> $@
	@echo "// Do not modify directly." >> $@
	@echo "// "`date` >> $@
	@echo "" >> $@
	@echo "" >> $@
	@echo "#include <string>" >> $@
	@echo "#include <vector>" >> $@
	@echo "#include <iostream>" >> $@
	@echo "#include \"TSystem.h\"" >> $@
	@echo "#include \"TROOT.h\"" >> $@
	@echo "" >> $@
	@echo "using std::string;" >> $@
	@echo "using std::vector;" >> $@
	@echo "using std::cout;" >> $@
	@echo "using std::endl;" >> $@
	@echo "" >> $@
	@echo "" >> $@
	@echo "int load_dial() {" >> $@
	@echo "" >> $@
	@echo "  string libdir = \"$$CMTCONFIG\";" >> $@
	@echo "" >> $@
	@echo "  vector<string> libs;" >> $@
	@FLAVOR=gcc32dbg; \
	 for lib in globus_io; do \
       	   echo "  libs.push_back(\"lib"$${lib}_$$FLAVOR".so\");" >> $@; \
	 done
	@echo "  libs.push_back(\"libxerces-c.so\");" >> $@
	@echo "  libs.push_back(\"libsqlplus.so\");" >> $@
	@echo "  libs.push_back(\"libmysqlclient.so\");" >> $@
	@echo "" >> $@
	@echo "  libs.push_back(\"libTable.so\");" >> $@
	@echo "" >> $@
	@echo "  libs.push_back(\"$(reldir)dial/dial_root/cernlib/libcernlib.so\");" >> $@
	@echo "" >> $@
	@echo "  vector<string> pkgs;" >> $@
	@echo "  vector<string> pkgdirs;" >> $@
	@for syspkg in $(packages); do \
	   pkg=`echo $$syspkg | sed 's#.*/##'`; \
	   echo "  pkgs.push_back(\"$(notdir $$pkg)\");" >> $@; \
	 done
	@for dir in $(pkgdirs); do \
	   echo "  pkgdirs.push_back(\"$$dir\");" >> $@; \
	 done
	@echo "" >> $@
	@echo "  string cppflags = \"$(cppflags)\";" >> $@
	@echo "" >> $@
	@echo "  string macpath = TROOT::GetMacroPath();" >> $@
	@echo "  for ( unsigned int i=0; i<pkgs.size(); ++i ) {" >> $@
	@echo "    string pkg = pkgs[i];" >> $@
	@echo "    string dir = pkgdirs[i];" >> $@
	@echo "    string lib = dir + \"/\" + libdir + \"/lib\" + pkg + \".so\";" >> $@
	@echo "    libs.push_back(lib);" >> $@
	@echo "    macpath = dir + \"/src:\" + macpath;" >> $@
	@echo "    cppflags += \" -I\" + dir;" >> $@
	@echo "    string line = \".include \" + dir;" >> $@
	@echo "    gROOT->ProcessLine(line.c_str());" >> $@
	@echo "  }" >> $@
	@echo "" >> $@
	@echo "  for ( unsigned int i=0; i<libs.size(); ++i ) {" >> $@
	@echo "    string lib = libs[i];" >> $@
	@echo "    cout << \"... Loading \" << lib << endl;" >> $@
	@echo "    int stat = gSystem->Load(lib.c_str());" >> $@
	@echo "    if ( stat != 0 ) return stat;" >> $@
	@echo "  }" >> $@
	@echo "" >> $@
	@echo "  gSystem->SetIncludePath(cppflags.c_str());" >> $@
	@echo "  TROOT::SetMacroPath(macpath.c_str());" >> $@
	@echo "" >> $@
	@echo "  return 0;" >> $@
	@echo "}" >> $@

.PHONY: clean
clean:
	@rm -rf $(dicts) $(dicthdrs) $(ctests) $(linkdefs)
	@rm -f G__*
	@rm -f ../COMPONENTS
	@rm -f ../root/old_load_dial.cxx