# Makefile for tinydtls
#
# Copyright (C) 2011--2014 Olaf Bergmann <bergmann@tzi.org>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use, copy,
# modify, merge, publish, distribute, sublicense, and/or sell copies
# of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

# the library's version
VERSION:=@PACKAGE_VERSION@

# tools
@SET_MAKE@
SHELL = /bin/sh
MKDIR = mkdir
ETAGS = @ETAGS@

prefix = @prefix@
exec_prefix = @exec_prefix@
abs_builddir = @abs_builddir@
top_builddir = @top_builddir@
libdir = @libdir@
includedir = @includedir@/@PACKAGE_NAME@
package = @PACKAGE_TARNAME@-@PACKAGE_VERSION@

install := cp

# files and flags
SOURCES:= dtls.c crypto.c ccm.c hmac.c netq.c peer.c dtls_time.c session.c
ifneq ("@NDEBUG@", "1")
SOURCES += debug.c
endif
SUB_OBJECTS:=aes/rijndael.o @OPT_OBJS@
OBJECTS:= $(patsubst %.c, %.o, $(SOURCES)) $(SUB_OBJECTS)
HEADERS:=dtls.h hmac.h debug.h dtls_config.h numeric.h crypto.h global.h ccm.h \
 netq.h t_list.h alert.h prng.h peer.h state.h dtls_time.h session.h \
 tinydtls.h
CFLAGS:=-Wall -pedantic -std=c99 @CFLAGS@
CPPFLAGS:=@CPPFLAGS@ -DDTLS_CHECK_CONTENTTYPE
SUBDIRS:=tests doc platform-specific sha2 aes ecc
DISTSUBDIRS:=$(SUBDIRS) examples/contiki
DISTDIR=$(top_builddir)/$(package)
FILES:=Makefile.in configure configure.in dtls_config.h.in tinydtls.h.in \
  Makefile.tinydtls $(SOURCES) $(HEADERS)
LIB:=libtinydtls.a
LDFLAGS:=@LIBS@
ARFLAGS:=cru
doc:=doc

.PHONY: all dirs clean install dist distclean .gitignore doc TAGS

ifneq ("@WITH_CONTIKI@", "1")
.SUFFIXES:
.SUFFIXES:      .c .o

all:	$(LIB) dirs

check:	
	echo DISTDIR: $(DISTDIR)
	echo top_builddir: $(top_builddir)
	$(MAKE) -C tests check

dirs:	$(SUBDIRS)
	for dir in $^; do \
		$(MAKE) -C $$dir ; \
	done

$(SUB_OBJECTS)::
	$(MAKE) -C $(@D) $(@F)

$(LIB):	$(OBJECTS)
	$(AR) $(ARFLAGS) $@ $^ 
	ranlib $@

clean:
	@rm -f $(PROGRAM) main.o $(LIB) $(OBJECTS)
	for dir in $(SUBDIRS); do \
		$(MAKE) -C $$dir clean ; \
	done
else  # WITH_CONTIKI
all:
	$(MAKE) -C examples/contiki $@
endif # WITH_CONTIKI

doc:	
	$(MAKE) -C doc

distclean:	clean
	@rm -rf $(DISTDIR)
	@rm -f *~ $(DISTDIR).tar.gz

dist:	$(FILES) $(DISTSUBDIRS)
	test -d $(DISTDIR) || mkdir $(DISTDIR)
	cp $(FILES) $(DISTDIR)
	for dir in $(DISTSUBDIRS); do \
		$(MAKE) -C $$dir dist; \
	done
	tar czf $(package).tar.gz $(DISTDIR)

install:	$(LIB) $(HEADERS) $(SUBDIRS)
	test -d $(libdir) || mkdir -p $(libdir)
	test -d $(includedir) || mkdir -p $(includedir)
	$(install) $(LIB) $(libdir)/
	$(install) $(HEADERS) $(includedir)/
	for dir in $(SUBDIRS); do \
		$(MAKE) -C $$dir install="$(install)" includedir=$(includedir) install; \
	done

TAGS:	
	$(ETAGS) -o $@.new $(SOURCES) 
	$(ETAGS) -a -o $@.new $(HEADERS) 
	mv $@.new $@

# files that should be ignored by git
GITIGNOREDS:= core \*~ \*.[oa] \*.gz \*.cap \*.pcap Makefile \
 autom4te.cache/ config.h config.log config.status configure \
 doc/Doxyfile doc/doxygen.out doc/html/ $(LIB) tests/ccm-test \
 tests/dtls-client tests/dtls-server tests/prf-test $(package) \
 $(DISTDIR)/ TAGS \*.patch .gitignore ecc/testecc ecc/testfield \
 \*.d \*.hex \*.elf \*.map obj_\* tinydtls.h dtls_config.h \
 $(addprefix \*., $(notdir $(wildcard ../../platform/*))) \
 .project

.gitignore:
	echo $(GITIGNOREDS) | sed 's/ /\n/g' > $@