#-----------------------------------------------------------------------------#
# vim: ts=8 sw=8 noexpandtab
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# Copyright (C) 2000-2005 The University of Melbourne.
# Copyright (C) 2015-2016, 2018 The Mercury team.
# This file is distributed under the terms specified in COPYING.LIB.
#-----------------------------------------------------------------------------#

INSTALL_PREFIX := $(INSTALL_PREFIX)/extras

# Use shared libraries, since they're needed for dynamic linking
MLFLAGS = --shared

# Link in the `-ldl' library (this may not be needed on some systems)
MLLIBS = -ldl

# enable C-level debugging
CFLAGS = -g
MLFLAGS += --no-strip

-include ../Mmake.params

main_target: libdl
depend: dl.depend dl_test.depend dl_test2.depend hello.depend

install: libdl.install

#-----------------------------------------------------------------------------#
#
# Some simple regression tests
#

.PHONY: check
check:	dl_test.res

# The dl_test2 test case only works in non-hl* grades.
ifeq "$(findstring hl,$(GRADE))" ""
check: dl_test2.res
endif

dl_test.res: dl_test dl_test.exp libhello.$(EXT_FOR_SHARED_LIB)
	./dl_test > dl_test.out
	diff -c dl_test.out dl_test.exp

dl_test2.res: dl_test2 dl_test2.exp libhello.$(EXT_FOR_SHARED_LIB)
	./dl_test2 > dl_test2.out
	diff -c dl_test2.out dl_test2.exp

#-----------------------------------------------------------------------------#
#
# We want copies of name_mangling.m and dl.m in both
# extras/dynamic_linking and in mercury/browser.
# The master copy in our CVS repository is in mercury/browser.
# The copy here is automatically generated from that copy.
#

dl.depend dl_test.depend dl_test2.depend: sources

.PHONY: sources
sources: dl.m name_mangle.m

BROWSER_DIR = $(shell \
	if [ -d ../../browser ]; then \
		echo ../../browser; \
	elif [ -d ../../../mercury/browser ]; then \
		echo ../../../mercury/browser; \
	else \
		echo none; \
	fi)

ifneq ("$(BROWSER_DIR)","none")

name_mangle.m: $(BROWSER_DIR)/name_mangle.m
	sed 's/mdb.//g' $< > $@

dl.m: $(BROWSER_DIR)/dl.m
	sed 's/mdb.//g' $< > $@

endif

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