# $Id: common.gmk,v 1.2 2002/12/04 09:39:24 morita Exp $
# =====================================================================
# common.gmk: GNUmakefile variables for building the library files.
#
#   Author: Youhei Morita <youhei.morita@kek.jp>
# =====================================================================
ifndef TARGET
 TARGET := $(name)
endif

ifdef G4DEBUG
  CXXFLAGS += -g
endif

GPPFLAGS := "-MM"

CPPFLAGS += -Iinclude \
            -I$(G4INSTALL)/include \
            -I$(CLHEP_BASE_DIR)/include

sources       := $(wildcard src/*.cc)

objects       := $(patsubst src/%.cc,$(G4PEX_TMP)/%.o,$(sources))

dependencies  := $(patsubst src/%.cc,$(G4PEX_TMP)/%.d,$(sources))

ifneq ($(G4LIB_BUILD_SHARED),)
   library_name := lib$(TARGET).so
endif
ifneq ($(G4LIB_BUILD_STATIC),)
   library_name := lib$(TARGET).a
endif

libraries_to_build  := $(G4PEX_LIB)/$(library_name)

.PHONY: all lib includes clean_lib clean

all: lib

lib: $(libraries_to_build) 

# ---------------------------------------------------------------------
# make ROOT I/O files
#include $(G4PEX_DIR)/config/rootio.gmk
# ---------------------------------------------------------------------

CPPFLAGS += $(shell root-config --cflags)

# ROOTCINT LinkDef.h and Dict.cc files

root_def    := include/$(name)LinkDef.h
root_dict   := $(G4PEX_TMP)/$(name)Dict.cc
root_dict_o := $(root_dict:.cc=.o)

objects       += $(root_dict_o)

# rootio files
rootio_file := $(wildcard rootio/*.rootio)
rootio_hh   := $(patsubst rootio/%.rootio, include/%Root.hh, $(rootio_file))
rootio_hh   += $(patsubst rootio/%.rootio, include/%sRoot.hh, $(rootio_file))
rootio_hh   += $(patsubst rootio/%.rootio, include/%RootIO.hh, $(rootio_file))
rootio_cc   := $(patsubst rootio/%.rootio, src/%Root.cc, $(rootio_file))
rootio_cc   += $(patsubst rootio/%.rootio, src/%sRoot.cc, $(rootio_file))
rootio_cc   += $(patsubst rootio/%.rootio, src/%RootIO.cc, $(rootio_file))

# search for TObject inheritance with a regexp 'public.*TObject'

root_hh   := $(shell grep 'public.*TObject' include/*.hh|awk -F: '{print $$1}'|sort|uniq)
ifneq ($(rootio_file),)
root_hh   += $(patsubst rootio/%.rootio, include/%Root.hh, $(rootio_file))
root_hh   += $(patsubst rootio/%.rootio, include/%sRoot.hh, $(rootio_file))
endif
root_tmp  := $(patsubst include/%,%,$(root_hh))
root_tmp  += $(patsubst include/%,%,$(root_def))
root_name := $(patsubst include/%.hh,%,$(root_hh))

.PRECIOUS: $(dependencies) $(rootio_hh) $(rootio_cc)

ifneq ($(rootio_file),)

objects += $(patsubst rootio/%.rootio,$(G4PEX_TMP)/%Root.o, $(rootio_file))
objects += $(patsubst rootio/%.rootio,$(G4PEX_TMP)/%sRoot.o, $(rootio_file))
objects += $(patsubst rootio/%.rootio,$(G4PEX_TMP)/%RootIO.o, $(rootio_file))
objects += $(root_dict_o)

cleanup_target := $(rootio_hh) $(rootio_cc) $(root_def)

endif

ifneq ($(root_hh),)

include/%Root.hh include/%sRoot.hh include/%RootIO.hh src/%Root.cc src/%sRoot.cc src/%RootIO.cc: rootio/%.rootio
	$(G4ROOTIO) $<

$(root_dict): $(root_hh) $(root_def)
ifdef CPPVERBOSE
	cp -f $^ $(G4PEX_TMP)/
	( cd $(G4PEX_TMP); \
	        $(PROG_ROOTCINT) -f $@ -c $(CINT_INCLUDES) -p $(root_tmp) )
	( cd $(G4PEX_TMP); rm -f $(root_tmp) )
else
	@echo "Generating dictionary $(root_dict) ..."
	@cp -f $^ $(G4PEX_TMP)/
	@( cd $(G4PEX_TMP); \
	        $(PROG_ROOTCINT) -f $@ -c $(CINT_INCLUDES) -p $(root_tmp) )
	@( cd $(G4PEX_TMP); rm -f $(root_tmp) )
endif

$(root_def): $(root_hh)
	$(G4PEX_DIR)/config/rootdict.sh "$(root_name)" $(root_def)

endif

$(root_dict_o): $(root_dict)
	@echo "Compiling $< with $(CXX) ..."
	@$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $< -o $@

# ---------------------------------------------------------------------

$(libraries_to_build): $(objects)
ifneq ($(G4LIB_BUILD_SHARED),)
	@echo Creating shared library $@
	@rm -f $(G4PEX_LIB)/lib$(TARGET).so
	@cd $(G4PEX_TMP); \
	$(CXX) -Wl,-soname,lib$(TARGET).so \
	  -shared -o $(G4PEX_LIB)/lib$(TARGET).so *.o \
	  $(EXTLDFLAGS) $(EXTLIBS)
endif
ifneq ($(G4LIB_BUILD_STATIC),)
	@echo Creating static library $@
	@rm -f $(G4PEX_LIB)/lib$(TARGET).a
	$(AR) $(G4PEX_LIB)/lib$(TARGET).a $(G4PEX_TMP)/*.o
	@if [ -f /usr/bin/ranlib -o -f /bin/ranlib ] ; then \
	ranlib $(G4PEX_LIB)/lib$(TARGET).a ;fi
endif

$(G4PEX_TMP)/%.o: src/%.cc $(G4PEX_TMP)/%.d
	@echo "Compiling $< with $(CXX) ..."
	@$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $< -o $@

$(G4PEX_TMP)/%.d: src/%.cc
	@echo "Making dependency file for $< ..."
	@($(ECHO) $(G4PEX_TMP)/\\c ; \
	g++ $(GPPFLAGS) $(CPPFLAGS) $< ) | sed 's!$(G4PEX_TMP)/$*.o!& $@!' >$@
ifneq ($(dependencies),)
-include $(dependencies)
endif

clean:
ifneq ($(cleanup_target),)
	@rm -f $(cleanup_target)
endif
	@rm -f -r $(G4PEX_DIR)/lib/$(G4SYSTEM)/$(libraries_to_build)
	@rm -f -r $(G4PEX_DIR)/tmp/$(G4SYSTEM)/$(TARGET)

test:
	@echo "objects = $(objects)"