#-----------------------------------------------------------------------------#
#-----------------------------------------------------------------------------#
# Copyright (C) 1996-2002 The University of Melbourne.
# This file may only be copied under the terms of the GNU General
# Public License - see the file COPYING in the Mercury distribution.
#-----------------------------------------------------------------------------#

# Mmake - Mmake file for the Mercury scripts

MAIN_TARGET=all

MERCURY_DIR=..
include $(MERCURY_DIR)/Mmake.common

#-----------------------------------------------------------------------------#

SCRIPTS = mmake mmc mdb c2init mgnuc ml mprof mprof_merge_runs \
	  mtags vpath_find mercury_update_interface \
	  mkfifo_using_mknod mercury_cleanup_install canonical_grade \
	  mercury.bat
DEBUGGER_SCRIPTS = mdbrc
EMACS_SCRIPTS = gud.el
CGI_SCRIPTS = mdprof

#-----------------------------------------------------------------------------#

.SUFFIXES: .in

.in:
	CONFIG_FILES=$@ CONFIG_HEADERS= $(MERCURY_DIR)/config.status
	# check to ensure there were no mispelt autoconf variable names
	if grep -n '[^$$]@' $@; then false; else true; fi

#-----------------------------------------------------------------------------#

.PHONY: all
all: $(SCRIPTS) $(DEBUGGER_SCRIPTS) $(EMACS_SCRIPTS) $(CGI_SCRIPTS)
all: Mmake.vars

#-----------------------------------------------------------------------------#

parse_ml_options.sh-subr mgnuc canonical_grade: init_grade_options.sh-subr
parse_ml_options.sh-subr mgnuc canonical_grade: parse_grade_options.sh-subr 
parse_ml_options.sh-subr mgnuc canonical_grade: final_grade_options.sh-subr 
ml c2init: parse_ml_options.sh-subr
ml c2init canonical_grade: canonical_grade.sh-subr 

#-----------------------------------------------------------------------------#

.PHONY: install
install: install_mmake install_scripts \
	install_debugger_scripts install_emacs_scripts install_cgi_scripts

.PHONY: install_dirs
install_dirs:
	[ -d $(INSTALL_BINDIR) ] || mkdir -p $(INSTALL_BINDIR)
	[ -d $(INSTALL_LIBDIR)/mmake ] || mkdir -p $(INSTALL_LIBDIR)/mmake
	[ -d $(INSTALL_LIBDIR)/mdb ] || mkdir -p $(INSTALL_LIBDIR)/mdb
	[ -d $(INSTALL_ELISP_DIR) ] || mkdir -p $(INSTALL_ELISP_DIR)

.PHONY: install_mmake
install_mmake: Mmake.vars Mmake.rules install_dirs
	rm -f $(INSTALL_LIBDIR)/mmake/Mmake.vars
	cp `vpath_find Mmake.vars Mmake.rules` $(INSTALL_LIBDIR)/mmake

.PHONY: install_scripts
install_scripts: $(SCRIPTS) install_dirs
	# we move the installed `mmake' script before (re)installing it
	# to avoid overwriting the script while it is running
	# (just removing it doesn't work very well on win32, which will
	# deny you permission to write the file while mmake is running).
	-mv $(INSTALL_BINDIR)/mmake $(INSTALL_BINDIR)/mmake.old
	cp $(SCRIPTS) $(INSTALL_BINDIR) 
	-for file in $(SCRIPTS); do \
		chmod u+w $(INSTALL_BINDIR)/$$file ;\
	done
	-rm -f $(INSTALL_BINDIR)/mmake.old

.PHONY: install_debugger_scripts
install_debugger_scripts: $(DEBUGGER_SCRIPTS) install_dirs
	# Reportedly old versions of Mercury
	# used to install mdbrc as read-only.
	# If that is the case, then we need to make sure
	# that it gets made writable before we install the
	# new version.
	-chmod u+w $(INSTALL_LIBDIR)/mdb/*
	cp $(DEBUGGER_SCRIPTS) $(INSTALL_LIBDIR)/mdb 

.PHONY: install_emacs_scripts
install_emacs_scripts: $(EMACS_SCRIPTS) install_dirs
	cp $(EMACS_SCRIPTS) $(INSTALL_ELISP_DIR)

.PHONY: install_cgi_scripts
install_cgi_scripts: $(CGI_SCRIPTS)
	# $(INSTALL_CGI_DIR) is likely to be writeable only by root or
	# the www system administrator, which is why we don't consider a
	# failure of this action to be an error. If the command fails,
	# the install action in ../Mmakefile will remind the user to do
	# the copy later.
	-if test $(ENABLE_DEEP_PROFILER) = yes ; then \
		cp $(CGI_SCRIPTS) $(INSTALL_CGI_DIR) ; \
	fi

#-----------------------------------------------------------------------------#

.PHONY: uninstall
uninstall:
	-rm -r $(INSTALL_LIBDIR)/mmake
	-cd $(INSTALL_BINDIR) && rm $(SCRIPTS) 
	-cd $(INSTALL_LIBDIR)/mdb && rm $(DEBUGGER_SCRIPTS)
	# The reason why we don't uninstall $(EMACS_SCRIPTS) specifically here
	# is that the uninstall rule in the top-level Mmakefile does an "rm -r"
	# on $(INSTALL_LIBDIR), and the directory into which $(EMACS_SCRIPTS)
	# is installed, $(INSTALL_ELISP_DIR), is configured to be a
	# subdirectory of $(INSTALL_LIBDIR).
	#
	# We try to uninstall $(CGI_SCRIPTS), but failure to do so is not an
	# error for two reasons: because we may simply lack permission to
	# update the directory, and because the deep profiler installation
	# may not have been enabled in the first place. (Looking at the current
	# value of $(ENABLE_DEEP_PROFILER) to check for the latter wouldn't
	# necessarily do any good, since its setting may have changed since
	# the original install.)
	-cd $(INSTALL_CGI_DIR) && rm $(CGI_SCRIPTS)

#-----------------------------------------------------------------------------#

realclean_local: clean_scripts

.PHONY: clean_scripts
clean_scripts:
	for file in *.in; do rm -f `basename $$file .in`; done

#-----------------------------------------------------------------------------#