#
# Copyright (c) 1994, 1995, 1996 Gunther Schadow.  All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

include $(TOPDIR)/config.mk

ifndef ROOTDIR
ROOTDIR := $(TOPDIR)
HAVE_ROOT =
else
HAVE_ROOT = YES
endif

PG_VERSION = 1.3

#
# Variables
#
PATH    := $(TOPDIR)/bin:$(PATH):/usr/local/bin
COPT	+= -fno-implicit-templates
override CFLAGS	+= -DPROTOGEN $(INCLUDE) $(DEFINES)
LDFLAGS += $(LDOPT) $(LNCLUDE) $(LIBOPTS)
INCLUDE += -I. -I$(ROOTDIR)/include -I$(TOPDIR)/include
LNCLUDE += -L. -L$(ROOTDIR)/lib -L$(TOPDIR)/lib
LOADLIBES := $(LOADLIBES) -lpg -lg++ -lstdc++ -lgdbm -lm $(EXTRALIBS)
JUNK    += GNUmakefile.bak $(OBJS) *~ a.out *.core core *.o *.a *.log \
		*.so lib*.so* 
#DISTJUNK+=

ifdef HAVE_ROOT
include $(ROOTDIR)/GNUmakefile.inc
endif

#
# Explicite rules
#

PHONIES = all lib clean distclean source depend sourceclean sourcesave progs

.PHONY: $(PHONIES)

%.all:
	@subdirs="$(SUBDIRS)" ;\
	for i in $$subdirs ;\
	do \
	  echo Making $@ in $$i ; \
	  ( $(CD) $$i; $(MAKE) $@ ) ; \
	done ; \
	$(MAKE) $*

#
# Default rules
#
clean:
	rm -f $(JUNK)

distclean: undepend
	rm -f $(JUNK) $(DISTJUNK)

depend:
	@echo depending in `pwd`
	@sed -n \
	  -e "1,/^### Do not change this line, make depend uses it! ###/p"\
		GNUmakefile > /tmp/mkf$$$$ ; \
	$(CC) $(CFLAGS) -M $(C_SRCS) $(CC_SRCS) >> /tmp/mkf$$$$ ; \
	$(MV) GNUmakefile GNUmakefile.bak ; \
	$(MV) /tmp/mkf$$$$ GNUmakefile

undepend:
	@echo undepending in `pwd`
	@sed -n \
	  -e "1,/^### Do not change this line, make depend uses it! ###/p"\
		GNUmakefile > GNUmakefile.bak ; \
	$(MV) GNUmakefile.bak GNUmakefile

progs: $(PROGS)

install-bin:
	test -n "$(PROGS)" && $(INSTBIN) $(PROGS) $(PGBIN) || true

clean-bin:
	$(RM) -f - $(PROGS)

install:

#
# Library rules
#

LIBDIR   = $(ROOTDIR)/lib
INCLDIR  = $(ROOTDIR)/include
LIBFILE  = $(LIBRARY:%=lib%.a)
ifdef CSHARED
  SHLIB  = $(LIBRARY:%=lib%.so.$(PG_VERSION))
endif

ABSTOPDIR = $(shell cd $(TOPDIR) ; pwd)
ABSROOTDIR= $(shell cd $(ROOTDIR) ; pwd)
GENSRCDIR = $(ROOTDIR)/source$(patsubst $(ABSROOTDIR)%,%,$(shell pwd))

ifndef THISDIR
  THISDIR = $(patsubst $(ABSTOPDIR)/%,%,$(shell pwd))
  THISDIRR= $(patsubst $(ABSROOTDIR)/%,%,$(shell pwd))
endif

ifdef GENSRCS

source: gensrcs-stamp $(GENSRCS)
gensrcs-stamp: $(TOPDIR)/bin/pgpl 
	$(MAKE) gensrcs
	touch $@

endif

sourceclean: 
	$(RM) -f $(GENSRCS) gensrcs-stamp

sourcesave:
	if [ -n "$(GENSRCS)" ] ; \
	then \
	  $(MKDIRHIER) $(GENSRCDIR) ; \
 	  $(LN) $(GENSRCS) $(GENSRCDIR) ; \
	fi

OBJS += $(C_SRCS:.c=.o) $(CC_SRCS:.cc=.o)

ifdef CSHARED
  SOBJS = $(OBJS:.o=.so)
endif

lib: $(OBJS) $(SOBJS) $(LIBFILE) $(SHLIB) 

$(LIBFILE):: $(OBJS)
	$(RM) -f $@
	$(AR) -r$(ARFLAGS) $@ \
	     $$(lorder $(OBJS) $$(find $(SUBDIRS) -name "*.o" 2>/dev/null) \
			|tsort)
	$(RANLIB) $@

$(SHLIB):: $(SOBJS) 
	$(RM) -f $@
	$(SHLD) -o $@ \
	     $$(lorder $(SOBJS) $$(find $(SUBDIRS) -name "*.so" 2>/dev/null) \
			|tsort)

ifdef ROOT

includes: ./include
	$(CD) $(TOPDIR)/include ; \
	$(RM) -f $(ROOT) ; \
	$(LNS) $(TOPDIR)/$(THISDIR)/include $(ROOT) ; \


else

includes: $(H_SRCS)
	if [ -n "$(H_SRCS)" ] ; then \
	  $(CD) $(ROOTDIR)/include ; \
	  $(RM) -f $(H_SRCS) ; \
	  $(LNS) $(H_SRCS:%=../$(THISDIRR)/%) . ; \
	fi

endif

#
# Implicite rules
#

# disallow direct executable make from source
%: %.c
%: %.cc

%.o: %.cc
	$(CC) -c $(COPT) $(CFLAGS) -I$(GXXINCL) $<

%.so: %.cc
	$(CC) -o $*.so -c $(COPT) $(CFLAGS) $(CSHARED) -I$(GXXINCL) $<

%.o: %.c
	$(CC) -c $(COPT) $(CFLAGS) $<

%.so: %.c
	$(CC) -o $*.so -c $(COPT) $(CFLAGS) $(CSHARED) $<

%: %.o
	$(LD) $(LDFLAGS) -o $@ $^ $(LOADLIBES) 

rep%.cc: rep%.conf $(TOPDIR)/bin/repconf
	repconf $<

ANY%-config.h: ANY%.conf $(TOPDIR)/bin/anyconf
	anyconf $<