# top level GNUmakefile for a release
# 
# debugging version, Bob Jacobsen, Oct 1994
# reworked to add general target passdown to subdirs, Mar 95
# removed FrameExample default link step (see TODO) BobJ June 95
# don't do dbx if gnbase is r/o Bill Lockman Mar 1996
# M.Ronan  July 96	Add commissioning detectors to include and bin lists.
#
# targets defined:
#
#    installdirs   create needed directories
#
#    all       equivalent to 'lib', followed by 'bin'
#              lib & bin are expected to do the usual things in
#              all the subdirectories, so this is the usual build command
#
#    cold      used when making a production release; builds the
#              needed binary executables first
#
#    foo.bar   gmake the 'bar' target in the 'foo' subdirectory
#    bar       'gmake bar' in all subdirectories
#   (where foo and bar are arbitrary strings not containing a .)
#
#    VERBOSE=yes     Dump of the rules and other verbose output.
#    VDIR   =yes     Have GMake print entering/leaving directory messages
#                      useful to allow emacs compilation mode to find sources
#
# Typically, a newly created release within the BaBar system
#  needs a gmake installdirs, followed by one or more gmakes.
#
# One can also do particular directories, like 'gmake stdhep.lib'
#  or 'gmake HepTuple.bin',  or a complete phase like 'gmake lib'
#
# The include path now starts with tmp/$BFARCH, then <>/$BFCURRENT/tmp
# so that locally created include files will be found 
# preferentially
#
#  A. Jonckheere 1/22/99 Change all references to $(PWD) to $(SRT_TOP), defined
#     the same way. PWD is changed by some shells, so isn't safe to use as it
#     was being used here, as the top level release directory.
#  P. Russo 09-Dec-1998 Defined SRT_TOP automatically for builds from
#                       the top of the release tree.
#  J. Amundson 22-Oct-1998 Added USE_SUBPACKAGES variable. Defaults to
#                          false for D0, true everywhere else.
#  J. Amundson 12-Oct-1998 Added installation of temporary directories for
#                          subpackages.
#  G. Cooper 25-Feb-1998 Remove duplicate lines so that GNUmakefile.main can
#     now be included by GNUmakefile.top
#  R. Harris 18-Feb-1998 Add tbin target
#  G. Cooper 16-Feb-1998 (CDF only) Drop extra include of arch_spec.mk
#  R. Harris  3-Feb-1998 Removed $(libder)/APPMain.o target and rule.
#  R. Harris 22-Dec-1997 Added $(libdir)/APPMain.o target if EXPERIMENT=CDF
#  G. Cooper 12-Dec-1997 Change "CPPFLAGS +=" to "override CPPFLAGS +="
#  8-Dec-1997 jonckheere@fnal.gov
#     Added code to handle ide directories on NT only. This is where the
#     Microsoft Visual C++ ide (project) files go.
#  G. Cooper 19-Nov-1997 Get hardcoded include of arch_spec.mk (for CDF code)
#     from local SoftRelTools/ area, if it exists; if not, then look in $BFDIST.
#  R. Harris  1-Oct-1997 Removed HepTuple from CDF skip_bin list so we get bin.
#  R. Harris 14-Aug-1997 Slayed Hydra process by testing for arch_spec.mk
#     before including it.  Added EXPERIMENT value CDF1 = run 1 (CDF = run 2)
#  R. Harris 3-Jan-1997; fixed argument list length problem for tmp/*/*/* area.
#     On 2nd gmake clean it reports unimportant error, because of no arguments.
#  L. Sexton-Kennedy Sep 27, 1996; added code to determine experiment
#  B. Jacobsen Dec 11, 1995; changed logic for finding $PACKAGES
#          to take (any and only) subdirectories containing a GNUmakefile
#          instead of explicit exception list.  Removed the explicit
#          FrameExample.bin defeat, which should have been limited to
#          LLNL only (other HP sites have bothered to install Tcl)
#
#  T. Wenaus 11/11/95
#  - rule printing and 'entering dir' printing turned off by default.
#    Can be activated via VERBOSE=yes
#  A.M.Jonckheere 10/29/98
#    add BFPREFIX variable, used to filter out informational messages for D0's
#    error reporter. When prefixed to printed output, the output will be
#    ignored when looking for errors.
export BFPREFIX
BFPREFIX := -->
#  A.M.Jonckheere 10/29/98

export SRT_TOP := $(shell /bin/pwd)

# translation code: regenerate BFARCH if it is AIX1/2 or HP-UXA.
ifeq (AIX1,$(BFARCH))
	oldbfarch=1
endif
ifeq (AIX2,$(BFARCH))
	oldbfarch=1
endif
ifeq (HP-UXA,$(BFARCH))
	oldbfarch=1
endif
ifdef oldbfarch
    uname=$(shell echo `uname`)
    BFARCH=$(uname)$(shell echo `uname -r | cut -c1`)
    ifeq (AIX,$(uname))
	BFARCH=$(uname)$(shell echo `uname -v | cut -c1`)
    endif
    ifeq (HP-UX,$(uname)) 
	ifeq ($(shell echo `uname -r | cut -c3`),0)
		BFARCH=$(uname)$(shell echo `uname -r | cut -c4`)
	else
		BFARCH=$(uname)$(shell echo `uname -r | cut -c3`)
	endif
    endif
    ifeq (OSF1,$(uname)) 
	BFARCH=$(uname)$(shell echo `uname -r | cut -c1-2`)
    endif
endif
# translation code: - end

ifneq ($(VERBOSE),)
  MAKEFLAGS =
else
  ifneq ($(VDIR),)
    MAKEFLAGS = --print-directory -s
  else
    MAKEFLAGS = --no-print-directory -s
  endif
endif

# are we in cdf?  User must decide. -LSK
EXPERIMENT := $(shell if [ -f .experiment ]; \
		then cat .experiment; else echo NO_EXPER; \
		echo "Warning: .experiment not found, EXPERIMENT not set">&2; \
		fi)

# lists of phases to do or skip - these are not strictly
# required (although they should be right), but speed up
# makes of large projects...these are experiment specific
ifeq (CDF,$(EXPERIMENT))
        skip_include:= 
        skip_lib:=     SoftRelTools
        skip_bin:=     CLHEP BaBar Framework
endif
ifeq (CDF1,$(EXPERIMENT))
        skip_include:= SoftRelTools
        skip_lib:=     SoftRelTools
        skip_bin:=
endif
        skip_tbin:=

# jfa 10/21/98: The variable USE_SUBPACKAGES can be set to false in order
#               to inhibit the installtmpdirs target.
#		The default value is "true", unless overriden below

USE_SUBPACKAGES=true

# jfa 10/21/98: Override the default value of USE_SUBPACKAGES for D0.
ifeq (D0,$(EXPERIMENT))
	USE_SUBPACKAGES=false
endif

# patch for problems linking Tcl Main on HP
#ifneq (,$(findstring HP-UX,$(BFARCH)))
#  skip_bin += FrameExample
#endif

# add experiment define -LSK
override CPPFLAGS += -D$(EXPERIMENT)

# set up search order - first the tmp local tree, tmp current, etc
# FNAL-amj: 5/11/98 change from += to := adding $(CPPFLAGS) substiution
#           this is needed to get the order of includes correct since include/
#           directory is added in GNUmakefile.top. include/ needs to be
#           *after* tmp/
ifdef BFCURRENT  
  override CPPFLAGS := -I$(BFDIST)/releases/$(BFCURRENT)/tmp/$(BFARCH) $(CPPFLAGS)
endif
override CPPFLAGS := -I. -I$(SRT_TOP)/tmp/$(BFARCH) $(CPPFLAGS)

ifndef BFOVERRIDE
BFOVERRIDE = .
endif

# the following assignments are overrides because they matter so much,
# yet users might want to include various options
override LDFLAGS += -L$(SRT_TOP)/lib/$(BFARCH)
ifdef BFCURRENT  
  override LDFLAGS += -L$(BFDIST)/releases/$(BFCURRENT)/lib/$(BFARCH)
endif

libdir = $(SRT_TOP)/lib/$(BFARCH)/
bindir = $(SRT_TOP)/bin/$(BFARCH)/
includedir = $(SRT_TOP)/include/
workdir=$(SRT_TOP)/tmp/$(BFARCH)/
mandir = $(SRT_TOP)/man/
docdir = $(SRT_TOP)/doc/
#FNAL/D0:GTW 11/13/97
ifneq (,$(findstring NT4,$(BFARCH)))
  idedir=$(SRT_TOP)/ide/$(BFARCH)/
endif
# these two are D0 specific, but won't be created for others
# so it doesn't hurt to define them.
ctbdir = $(SRT_TOP)/cttop/$(BFARCH)/
rcpdir = $(SRT_TOP)/rcpdb/

# force local executables onto end of PATH
export PATH := $(SRT_TOP)/bin/$(BFARCH):$(PATH)

# You might want to override the following lines
# with an explicit list in your own, private makefiles

PACKAGES := $(shell /bin/sh -c "for v in *[!~]; do if test -r \$$v/GNUmakefile; then echo \$$v; fi; done")

# This is the default target
#because lib and bin are directories, simple rules do not work?
all:
	@$(MAKE) installdirs
	@$(MAKE) include
	@$(MAKE) dbx
	@$(MAKE) lib
	@$(MAKE) bin

cold:
	@$(MAKE) installdirs
	@if test -d SoftRelTools; then $(MAKE) SoftRelTools.all; fi;
	@if test -d dbin; then $(MAKE) dbin.all; fi;
	@if test -d dbio; then $(MAKE) dbio.all; fi;
	@if test -d dbinPlain; then $(MAKE) dbinPlain.all; fi;
	@if test -d CERNLIB; then $(MAKE) CERNLIB.include; fi;
	@if test -d geant; then $(MAKE) geant.include; fi;
	@if test -d jetset; then $(MAKE) jetset.include; fi;
	@if test -d gnbase; then $(MAKE) gnbase.include; fi;
	@if test -d DbiEvent; then $(MAKE) DbiEvent.include; fi;
	@$(MAKE) all
	@if test -d gnbase; then $(MAKE) gnbase.bin MODE=INTERACTIVE; fi;

# the following two rules are needed because the existing directories
# confuse the more general rule

.PHONY: include lib bin tbin clean depend

dbx:
ifeq (CDF,$(EXPERIMENT))
	if [ -f .dbxinit ] ; then \
	echo "<**dbx**>"; \
	verb=Updating; else verb=Creating; fi; \
	echo $$verb source file listing for dbx debugger; \
	echo use $(addprefix $(SRT_TOP)/tmp/$(BFARCH)/,$(PACKAGES)) > .dbxinit
else
	if [ -w ./ ] ; then \
	if [ -w gnbase/ ] ; then \
	if [ -f .dbxinit ] ; then \
	echo "<**dbx**>"; \
	verb=Updating; else verb=Creating; fi; \
	echo $$verb source file listing for dbx debugger; \
	echo use $(addprefix $(SRT_TOP)/tmp/$(BFARCH)/,$(PACKAGES)) > .dbxinit ; \
	cd gnbase; rm -f .dbxinit; ln -s ../.dbxinit .; fi ; fi  
endif

bin:
	@echo "<**bin**>"
	@(true; $(strip $(foreach var,$(filter-out $(skip_$@),$(PACKAGES)), \
        echo "<**$@**> $(var)"; $(MAKE) $(var).$@;)))

tbin:
	@echo "<**tbin**>"
	@(true; $(strip $(foreach var,$(filter-out $(skip_$@),$(PACKAGES)), \
        echo "<**$@**> $(var)"; $(MAKE) $(var).$@;)))

lib:
	@echo "<**lib**>"
	@(true; $(strip $(foreach var,$(filter-out $(skip_$@),$(PACKAGES)), \
        echo "<**$@**> $(var)"; $(MAKE) $(var).$@;)))

# clean is done locally by emptying directories
# the tmp/*/*/* area has too long an argument list, so xargs is used. R. Harris
#amj-FNAL-9/5/97: do only one Architecture at a time
#amj-FNAL-9/5/97: must be able to handle subdirectories if present for the Kai
#                 C++ compiler.
#amj-FNAL-1/27/99: added cleanup of idedir, ctbdir and rcpdir.
#                  idedir isn't always defined so need to test.
clean:
	$(RM) -rf $(bindir)
	$(RM) -rf $(libdir)
	$(RM) -rf $(workdir)
ifneq (,$(idedir))   # needed because idedir isn't always defined.
	if [ -d $(idedir) ]; then $(RM) -rf $(idedir); fi
endif
	if [ -d $(ctbdir) ]; then $(RM) -rf $(ctbdir); fi
	if [ -d $(rcpdir) ]; then $(RM) -rf $(rcpdir); fi

# depend is done locally by explicit delete
# note this does not actually remake the .d files - that's
# done at the beginning of the next make
#amj-FNAL-9/5/97: do only one Architecture at a time
#amj-FNAL-9/5/97: must be able to handle subdirectories if present for the Kai
#                 C++ compiler.
# jfa 10/13/98: also deletes subpackage .d files
depend:
	@echo "<**depend**>"
	$(foreach lib,tmp/$(BFARCH)/*,$(RM) $(lib)/*.d; $(RM) $(lib)/*/*.d)

# include is routinely done for only those packages known to require it
include:
	@echo "<**include**>"
	@(true; $(strip $(foreach var,$(filter-out $(skip_$@),$(PACKAGES)), \
        echo "<**$@**> $(var)"; $(MAKE) $(var).$@;)))

# all does not explicitly include check...

#FNAL/D0: GTW 11/13/97 add idedir
#jfa 10/98: added installtmpdir for subpackages
#jfa 10/21/98: made this a little more robust, added check for USE_SUBPACKAGES

directories_to_install =  $(bindir) $(libdir) $(workdir) $(idedir) results \
			  $(foreach var,$(PACKAGES),$(workdir)$(var))
ifeq (D0,$(EXPERIMENT))
	directories_to_install += $(rcpdir)
endif

ifneq (,$(findstring NT4,$(BFARCH)))
	directories_to_install += $(foreach var,$(PACKAGES),$(idedir)$(var))
endif
ifneq ("$(USE_SUBPACKAGES)","false")
	search_subpackage_dirs = \
		$(foreach var,$(PACKAGES),$(var).installtmpdir)
endif

installdirs: installtopdirs installsubpackagedirs
installtopdirs: $(directories_to_install)
installsubpackagedirs: $(search_subpackage_dirs)

$(rcpdir):
	if [ ! -d $(rcpdir) ]; then mkdir $(rcpdir) ; fi

results:
	if [ ! -d results ] ; then mkdir results ; fi

.PHONY:	installdirs installtopdirs installsubpackagedirs

$(bindir): 
	if [ ! -d bin ] ; then mkdir bin ; fi
	- mkdir $(bindir)

$(libdir): 
	if [ ! -d lib ] ; then mkdir lib ; fi
	- mkdir $(libdir)

$(workdir): 
	if [ ! -d tmp ] ; then mkdir tmp ; fi
	- mkdir $(workdir)

$(foreach var,$(PACKAGES),$(workdir)$(var)):
	- mkdir $@

#FNAL/D0:GTW 11/13/97 create idedir
ifneq (,$(findstring NT4,$(BFARCH)))
  $(idedir): 
	if [ ! -d ide ] ; then mkdir ide ; fi
	- mkdir $(idedir)

  $(foreach var,$(PACKAGES),$(idedir)$(var)):
	- mkdir $@
endif


.SUFFIXES = 

VAR_OVERRIDES = libdir=$(libdir) bindir=$(bindir) mandir=$(mandir) docdir=$(docdir) rcpdir=$(rcpdir) EXPERIMENT="$(EXPERIMENT)"
INC_OVERRIDES = -I$(BFOVERRIDE) -I. -I$(SRT_TOP)/include -I$(SRT_TOP) -I$(BFDIST)/releases/$(BFCURRENT)/include -I$(BFDIST)/releases/$(BFCURRENT)
FLAG_OVERRIDES = LDFLAGS="$(LDFLAGS)" CPPFLAGS="$(CPPFLAGS)" 
QUOTED_FLAG_OVERRIDES = LDFLAGS="\"$(LDFLAGS)\"" CPPFLAGS="\"$(CPPFLAGS)\"" 
OVERRIDES =  workdir=$(workdir)$(basename $@)/ $(FLAG_OVERRIDES) $(VAR_OVERRIDES) $(INC_OVERRIDES)
MAKE_FLAGS_OVERRIDES = workdir=$(workdir)$(SRT_PACKAGE)/ $(QUOTED_FLAG_OVERRIDES) $(VAR_OVERRIDES) $(INC_OVERRIDES)


# this null item is needed to avoid passing it down each time
GNUmakefile:

# anything of the form <package>@<item> means to do a gmake item
# in the package directory - this is a newer form, allowing periods in
# <item> and more than one <package> in the target
$(foreach var,$(PACKAGES),$(var)@%) : 
	echo $@ Not yet functional
#	@$(MAKE) -C $(notdir $(basename $@)) CURPKG=$(notdir $(basename $@)) PNAME=$(basename $@) $(OVERRIDES) $(subst .,,$(suffix $@))

%.installtmpdir : 
	@if [ -r $(@:.installtmpdir=)/GNUmakefile ]; then \
	$(MAKE) -k -C $(notdir $(basename $@)) CURPKG=$(notdir $(basename $@)) PNAME=$(basename $@) $(OVERRIDES)  MAKING_TMP_DIRECTORIES=true $(subst .,,$(suffix $@)); \
	fi

# anything of the form <package>.<item> means to do a gmake item
# in the package directory - this older form is for compatibility
$(foreach var,$(PACKAGES),$(var).%) : 
	@$(MAKE) -C $(notdir $(basename $@)) CURPKG=$(notdir $(basename $@)) PNAME=$(basename $@) $(OVERRIDES) $(subst .,,$(suffix $@))

# This is for support of make in subdirectories. The alias sets the variable
# SRT_CURDIR. The string-processing business below defines SRT_PACKAGE to
# be the first directory below SRT_TOP.
ifdef SRT_CURDIR
  SRT_PACKAGE=$(word 1,$(subst /, ,$(subst $(SRT_TOP)/,,$(SRT_CURDIR))))
endif

# the make_flags target simply spits out flags for make in subdirectories.
make_flags : 
	@echo -s CURPKG=$(SRT_PACKAGE) $(MAKE_FLAGS_OVERRIDES) 

# any target not recognized gets passed to all subdirectories
# i.e.  gmake foo  means do "gmake foo" in all subdirectories
% :
	@($(strip $(foreach var, $(PACKAGES),$(MAKE) $(var).$@;)))