LOCAL_TARGETS = all distclean clean install uninstall
HOOK_TARGETS = all distclean install
DIST_TARGETS = dist distcheck
exec_prefix = ${prefix}
bindir = ${exec_prefix}/bin
sysconfdir = ${prefix}/etc
mkinstalldirs = $(SHELL) $(top_srcdir)/config-aux/mkinstalldirs
INSTALL_PROGRAM = $(SHELL) $(top_srcdir)/config-aux/install-sh -c
INSTALL_DATA = $(INSTALL_PROGRAM) -m 644

# By default, install all docs (manpages, READMEs, and html) below ${prefix}/share.
# We continue to honor the documented overrides on the "make install" command line.
# We set both datadir and datarootdir to satisfy all supported automake versions.
datarootdir = ${prefix}/share
datadir = ${datarootdir}
mandir = ${datarootdir}/man
set_datadirs = datarootdir="${datarootdir}" datadir="${datadir}" mandir="${mandir}"

.PHONY: $(LOCAL_TARGETS:%=%-local) $(HOOK_TARGETS:%=%-hook) $(DIST_TARGETS) default-target force

default-target: all

recurse_local = $(CONFS:%=%-recurse) recurse_local_dummy
$(recurse_local): 
	@dirname=`echo $@ | sed s/-recurse//` ; \
	 UPCRI_EXTRA_HELP="`pwd`/multiconf.conf" ; export UPCRI_EXTRA_HELP ; \
         if test -f "$$dirname/Makefile" ; then \
	  echo "-------------------------------------------------------------------------" ; \
	  echo "  === Multiconf making $(DO_MULTICONF_RECURSE) for $$dirname conf ==="     ; \
	  echo "-------------------------------------------------------------------------" ; \
          cd "$$dirname" && $(MAKE) prefix="${prefix}/$$dirname" $(set_datadirs) $(DO_MULTICONF_RECURSE) || exit $$? ; \
         fi

conf_files = multiconf.conf
script_drivers = upcc_multi
scripts = $(script_drivers:%=%.pl)
files_we_copy = $(scripts)
$(files_we_copy): force
	@srcfile="$(top_srcdir)/`basename $@`" ; \
         if test ! -f "$@" -o "`find $$srcfile -newer '$@' 2>&1`" ; then \
          echo cp -f "$$srcfile" . ;         \
          cp -f "$$srcfile" . ;              \
         fi
link_execs = upcrun upc_trace upcdecl upcc-dump

$(DEFAULT_CONF)/gasnet/other/perlstart: $(top_srcdir)/gasnet/other/perlstart.in
	@$(MAKE) -C $(DEFAULT_CONF)/gasnet/other perlstart

$(script_drivers): $(DEFAULT_CONF)/gasnet/other/perlstart
	echo '#!/bin/sh' > $@
	cat $(DEFAULT_CONF)/gasnet/other/perlstart >> $@
	chmod +x $@

$(DEFAULT_CONF)/config.status:
	@echo "ERROR: $(DEFAULT_CONF)/config.status missing - it appears you have not completed configure for the default config '$(DEFAULT_CONF)'"
	@exit 1

upcc: 
	rm -f upcc
	ln -s upcc_multi upcc

upcrun: 
	rm -f upcrun
	ln -s $(DEFAULT_CONF)/upcrun upcrun

multiconf.conf:
	@echo "ERROR: $@ is missing. Please re-run configure." ; exit 1

Makefile: $(top_srcdir)/Makefile.multiconf ./multiconf.conf
	$(PERL) "$(top_srcdir)/multiconf.pl" --regen-makefile --prefix="$(prefix)" --with-multiconf-file=./multiconf.conf

all-local: $(DEFAULT_CONF)/config.status $(script_drivers) $(files_we_copy) 

all-hook: upcc upcrun

install-local: all-local
	@if test -n "$(DESTDIR)" -a `expr "X$(DESTDIR)" : X/` = 0; then \
	  echo "ERROR: \$$DESTDIR must begin with a '/' character."; \
	  exit 1; \
	 fi
	@if test `expr "X$(prefix)" : X/` = 0; then \
	  echo "ERROR: \$$prefix must begin with a '/' character."; \
	  exit 1; \
	 fi
	$(mkinstalldirs) $(DESTDIR)$(sysconfdir)
	@for file in $(conf_files) ; do                                      \
	  echo "$(INSTALL_DATA) $$file $(DESTDIR)$(sysconfdir)/$$file" ;     \
	  $(INSTALL_DATA) $$file $(DESTDIR)$(sysconfdir)/$$file || exit $$?; \
        done
	$(mkinstalldirs) $(DESTDIR)$(bindir)
	@for file in $(scripts) ; do                                     \
	  echo "$(INSTALL_DATA) $$file $(DESTDIR)$(bindir)/$$file" ;     \
	  $(INSTALL_DATA) $$file $(DESTDIR)$(bindir)/$$file || exit $$?; \
        done
	@for file in $(script_drivers) ; do                                 \
	  echo "$(INSTALL_PROGRAM) $$file $(DESTDIR)$(bindir)/$$file" ;     \
	  $(INSTALL_PROGRAM) $$file $(DESTDIR)$(bindir)/$$file || exit $$?; \
        done
	cd $(DESTDIR)$(bindir) ; rm -f upcc ; ln -s upcc_multi upcc

install-hook: $(DEFAULT_CONF)/config.status
	@cd $(DESTDIR)$(bindir) ;                                    \
         for file in $(link_execs) ; do                              \
	  if test -r "../$(DEFAULT_CONF)/bin/$$file" ; then          \
	    rm -f $$file ;                                           \
	    ln -s ../$(DEFAULT_CONF)/bin/$$file $$file || exit $$? ; \
          fi ;                                                       \
         done

uninstall-local:
	@if test -n "$(DESTDIR)" -a `expr "X$(DESTDIR)" : X/` = 0; then \
	  echo "ERROR: \$$DESTDIR must begin with a '/' character."; \
	  exit 1; \
	 fi
	@if test `expr "X$(prefix)" : X/` = 0; then \
	  echo "ERROR: \$$prefix must begin with a '/' character."; \
	  exit 1; \
	 fi
	@for file in $(conf_files) ; do                     \
	  echo "rm -f $(DESTDIR)$(sysconfdir)/$$file" ;     \
	  rm -f $(DESTDIR)$(sysconfdir)/$$file || exit $$?; \
        done
	@for file in $(scripts) $(script_drivers) $(link_execs) ; do         \
          if test -r "$(DESTDIR)$(bindir)/$$file" ; then         \
	    echo "rm -f $(DESTDIR)$(bindir)/$$file" ;            \
	    rm -f $(DESTDIR)$(bindir)/$$file || exit $$?;        \
          fi ;                                                   \
        done
	rm -f $(DESTDIR)$(bindir)/upcc $(DESTDIR)$(bindir)/upcrun

distclean-local clean-local:
	rm -f $(script_drivers) upcc upcrun
	@if test "$(top_builddir)" != "$(top_srcdir)" ; then    \
	   echo "rm -f $(files_we_copy)" ;                      \
	   rm -f $(files_we_copy) || exit $$? ;                 \
         fi

distclean-hook:
	rm -f Makefile $(conf_files)

# Ideally these targets would use any available config (but exactly one).
# For now, we've arbitrality elected the "dbg" config.
$(DIST_TARGETS):
	@dir=dbg; if test -d $$dir; then                                        \
	   $(MAKE) -C $$dir $@;                                                 \
	   echo "NOTICE: look for your archive in $$dir/";                      \
	 else                                                                   \
	   echo "ERROR: target $@ only supported when $$dir config is enabled"; \
	   exit 1;                                                              \
	 fi

force:

# pass-thru target
%: 
	@if test -n "`echo ' $(LOCAL_TARGETS) ' | grep ' $@ '`" ; then $(MAKE) $@-local || exit $$? ; fi
	@$(MAKE) $(recurse_local) DO_MULTICONF_RECURSE=$@
	@if test -n "`echo ' $(HOOK_TARGETS) ' | grep ' $@ '`" ; then $(MAKE) $@-hook || exit $$? ; fi