Makefile.SUBlink

#******************************************************************************* -*- Makefile -*-
#****e* /Makefile.SUBlink
# NAME
# Makefile.SUBlink
# PURPOSE
# Sub-Makefile for the GiBUU code, used in all diriectories besides 'objects'
# and 'testRun'.
#
# This is a template, which is copied as a local "Makefile" 
# into every directory in the "code" tree besides the 
# testRun directories. 
#*******************************************************************************

.SUFFIXES:            # Delete the default suffixes

export SHELL := /bin/bash

### LOCAL VARIABLES:

ifeq ($(wildcard Makefile.local),)
  include $(shell pwd)/Makefile.local   # generate error message with full path if Makefile.local is missing
else
  include Makefile.local
endif

### FILES:

SRCf90 := $(wildcard *.f90)
SRCF90 := $(wildcard *.F90)
SRCf77 := $(wildcard *.f)
SRCinc := $(wildcard *.inc)
SRC := $(SRCf90) $(SRCF90) $(SRCf77) $(SRCinc)
SRC := $(filter-out $(FILEEXCL), $(SRC))
SRC := $(filter-out $(EXEFILE), $(SRC))

OBJEXCL := $(patsubst %.f90, %.o, $(FILEEXCL))
OBJEXCL := $(patsubst %.F90, %.o, $(OBJEXCL))
OBJEXCL := $(patsubst %.f, %.o, $(OBJEXCL))

### SUBDIRS:

SUBDIR := $(sort $(notdir $(shell $(FIND) -maxdepth 1 ! -name  ".*" -type d)))
SUBDIR := $(filter-out $(SUBDIREXCL), $(SUBDIR))

### RULES:

# This is the target called without any arguments:
# (empty target in order to ensure clean programming)
all: ;

iterate: subdirs linking unlinking

objects: $(OBJ)

# this creates softlinks for all source files:
linking:
	@for X in $(SRC); do\
	(ln -sf $(CURDIR)/$$X $(OBJDIR)/$$X;)\
	done

# this deletes softlinks to all non-used source files:
unlinking:
	@for X in $(FILEEXCL); do\
	(rm -f $(OBJDIR)/$$X;)\
	done
	@for X in $(OBJEXCL); do\
	(rm -f $(OBJDIR)/$$X;)\
	done
	@for X in $(EXEFILE); do\
	(rm -f $(OBJDIR)/$$X;)\
	done

print:
	@echo "!!! CURDIR     =" $(CURDIR)
	@echo "!!! SUBDIR     =" $(SUBDIR)
	@echo "!!! SRC        =" $(SRC)

subdirs:
	@for X in $(SUBDIR); do\
	(cd $$X && $(MAKE) $(noPrintDirectory) iterate;)\
	done


Makefiles: #print
	@for X in $(SUBDIR); do\
	(cp $(ROOTDIR)/Makefile.SUBlink $$X/Makefile; cd $$X && $(MAKE) Makefiles;)\
	done