#-----------------------------------------------------------
# Copyright Christian Arnault LAL-Orsay CNRS
# arnault@lal.in2p3.fr
# See the complete license in cmt_license.txt "http://www.cecill.info". 
#-----------------------------------------------------------

include ${CMTROOT}/src/Makefile.core

#
#  Basic tag management
#
ifdef tag
CMTEXTRATAGS = $(tag)
else
tag       = $(CMTCONFIG)
endif

tags      = $(tag),$(CMTEXTRATAGS)

cmt_local_tagfile = $(bin)$(tag).make

cmt_constituents_makefile = $(bin)constituents.make

cmt_local_setup = $(bin)setup$$$$.make
#cmt_local_setup = $(bin)$(package)setup$$$$.make
#cmt_final_setup = $(bin)${PACKAGE}setup.make
cmt_final_setup = $(bin)setup.make
#cmt_final_setup = $(bin)$(package)setup.make

#
#  Generic entry points for all targets
#
#ifndef QUICK
#all :: check_config ;
#else
#all :: no_check_config ;
#endif
#all :: $(cmt_constituents_makefile)
#	@$(MAKE) --no-print-directory -f $(cmt_constituents_makefile) $@
default :: all ;

check_config ::
	@$(cmtexe) check configuration; retval=$$?; \
	if test $${retval} -ne 0; then \
	  test -z "$(cmtmsg)" || \
	  echo "$(CMTMSGPREFIX)" "(Makefile.header) Configuration error(s). Please correct" >&2; \
	fi; exit $${retval}

#	@$(cmtexe) check configuration; retval=$$?; \
#	if test $${retval} = 0; then \
#	  $(MAKE) --no-print-directory target="all" common_target; \
#	else \
#	  test -z "$(cmtmsg)" || \
#	  echo "$(CMTMSGPREFIX)" "(Makefile.header) Configuration error(s). Please correct" >&2; \
#	fi

#no_check_config ::
#	@$(MAKE) --no-print-directory target="all" common_target

binclean ::
	if test ! "$(bin)" = "./"; then \
	  if test -d $(bin) ; then \
	    test -z "$(cmtmsg)" || \
	    echo "$(CMTMSGPREFIX)" "(Makefile.header) Removing binary directory $(bin)"; \
	    \rm -rf $(bin) ; \
	  fi ; \
	fi

#clean uninstall :: check_config
#	@$(MAKE) --no-print-directory -f $(cmt_constituents_makefile) $@
#	@$(cmtexe) check configuration
#	@$(MAKE) --no-print-directory target="$@" common_target

.DEFAULT ::
	@$(MAKE) $(cmt_constituents_makefile)
	@$(MAKE) --no-print-directory -f $(cmt_constituents_makefile) $@

#	@$(cmtexe) check configuration
#	@$(MAKE) --no-print-directory target="$@" common_target
#	@$(MAKE) --no-print-directory target="config $@" common_target

#
#  Capture all possible targets
#
#common_target : $(cmt_constituents_makefile)
#	@$(MAKE) --no-print-directory -f $(cmt_constituents_makefile) $(target)

#$(cmt_constituents_makefile) : $(cmt_local_tagfile)

ifndef QUICK
$(cmt_constituents_makefile) : check_config
else
$(cmt_constituents_makefile) :
endif
	$(echo) "(Makefile.header) Rebuilding $@"; \
	  if test ! -d $(@D) ; then $(mkdir) -p $(@D); fi; \
	  $(cmtexe) -tag=$(tags) build constituents_config -out=$@; \
	  retval=$$?; \
	  if test $${retval} -ne 0; then \
	    test -z "$(cmtmsg)" || \
	    echo "$(CMTMSGPREFIX)" "(Makefile.header) Cannot generate $@" >&2; \
	    \rm -f $@; \
	  fi; \
	  exit $${retval}

ifndef QUICK
$(cmt_local_tagfile) ::
else
$(cmt_local_tagfile) :
endif
	$(echo) "(Makefile.header) Rebuilding $@"; \
	  if test -f $@; then rm -f $@; fi; \
	  if test ! -d $(@D); then $(mkdir) -p $(@D); fi; \
	  $(cmtexe) -tag=$(tags) build tag_makefile >$@
	$(echo) "(Makefile.header) Rebuilding $(cmt_final_setup)"; \
	  test ! -f $(cmt_local_setup) || \rm -f $(cmt_local_setup); \
	  trap '\rm -f $(cmt_local_setup)' 0 1 2 15; \
	  $(cmtexe) -tag=$(tags) show setup >$(cmt_local_setup) && \
	  if [ -f $(cmt_final_setup) ] && \
	    \cmp -s $(cmt_final_setup) $(cmt_local_setup); then \
	    \rm $(cmt_local_setup); else \
	    \mv -f $(cmt_local_setup) $(cmt_final_setup); fi

#
#  Ancient mechanism for remote launchers (kept for backward compatibility)
#
$(gmake_hosts) ::
	rsh $@ "sh -c '(cd `$(cmtexe) show pwd`; . setup.sh; gmake $(MAKEFLAGS) $(target))'"

$(make_hosts) ::
	rsh $@ "sh -c '(cd `$(cmtexe) show pwd`; . setup.sh; make $(MAKEFLAGS) $(target))'"


everywhere :: $(everywhere)

#
#   Display all targets
#
help ::
	@echo '--------------------------------------------------------------------------'
	@echo 'You may select one of the following make targets :'
	@echo ' '
	@echo 'help        : this help'
	@echo 'all         : rebuild all constituents according to the $$(constituents) macro'
	@echo '              (this is the default target)'
	@echo 'clean       : remove everything that can be rebuilt'
	@echo 'binclean    : fast erase of the binary directory'
	@echo 'uninstall   : remove everything installed in the installation area'
	@echo ' '
	@groups=`$(cmtexe) show groups -tag=$(tags)`; \
	  for g in $${groups}; do \
	    echo "$${g} : rebuild all constituents of group $${g}"; \
	  done
	@echo "Constituents:"; \
	  for c in `$(cmtexe) show constituent_names -tag=$(tags)` ; do \
	    echo "  $${c}  $${c}clean  $${c}uninstall"; \
	  done
	@echo ' '
	@echo 'check :'
	@echo '              run all applications defined with the -check option'
	@echo ' '


# explicit rule not to remake
${CMTROOT}/src/Makefile.header : ;

# for multiple command line goals,
# avoid race conditions when (re)writing constituents.make
.NOTPARALLEL :