#
# ***** BEGIN LICENSE BLOCK *****
# 
# Copyright (C) 2009-2016 Olof Hagsand and Benny Holmgren
# Copyright (C) 2017-2019 Olof Hagsand
# Copyright (C) 2020-2022 Olof Hagsand and Rubicon Communications, LLC(Netgate)
#
# This file is part of CLIXON
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Alternatively, the contents of this file may be used under the terms of
# the GNU General Public License Version 3 or later (the "GPL"),
# in which case the provisions of the GPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of the GPL, and not to allow others to
# use your version of this file under the terms of Apache License version 2, 
# indicate your decision by deleting the provisions above and replace them with
# the notice and other provisions required by the GPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the Apache License version 2 or the GPL.
#
# ***** END LICENSE BLOCK *****
#

VPATH       	= @srcdir@
srcdir  	= @srcdir@
top_srcdir  	= @top_srcdir@
CC		= @CC@
CFLAGS  	= @CFLAGS@ 
LINKAGE         = @LINKAGE@
CPPFLAGS  	= @CPPFLAGS@
ifeq ($(LINKAGE),dynamic)
CPPFLAGS       	+= -fPIC
endif
SH_SUFFIX	= @SH_SUFFIX@
LIBSTATIC_SUFFIX = @LIBSTATIC_SUFFIX@

LDFLAGS 	= @LDFLAGS@
ifneq ($(LINKAGE),dynamic)
LDFLAGS 	+=  -rdynamic -L.
endif
prefix 		= @prefix@
exec_prefix 	= @exec_prefix@
bindir 		= @bindir@
libdir		= @libdir@
sbindir 	= @sbindir@
libexecdir	= @libexecdir@
localstatedir	= @localstatedir@
sysconfdir	= @sysconfdir@
includedir	= @includedir@
HOST_VENDOR     = @host_vendor@

CLIXON_MAJOR    = @CLIXON_VERSION_MAJOR@
CLIXON_MINOR    = @CLIXON_VERSION_MINOR@

ifeq ($(HOST_VENDOR),apple)
INSTALLFLAGS =
else
INSTALLFLAGS = @INSTALLFLAGS@
endif

# Use this clixon lib for linking
ifeq ($(LINKAGE),dynamic)
	CLIXON_LIB	= libclixon$(SH_SUFFIX).$(CLIXON_MAJOR).$(CLIXON_MINOR)
else
	CLIXON_LIB	= libclixon$(LIBSTATIC_SUFFIX)
endif

# For dependency. A little strange that we rely on it being built in the src dir
# even though it may exist in $(libdir). But the new version may not have been installed yet.
LIBDEPS		= $(top_srcdir)/lib/src/$(CLIXON_LIB) 

LIBS    	= -L$(top_srcdir)/lib/src $(top_srcdir)/lib/src/$(CLIXON_LIB) @LIBS@ 
INCLUDES	= -I. -I$(top_srcdir)/lib/src -I$(top_srcdir)/lib -I$(top_srcdir)/include -I$(top_srcdir) @INCLUDES@

# Name of application
APPL	= clixon_backend

# Not accessible from plugin
APPSRC  = backend_main.c
APPSRC += backend_socket.c
APPSRC += backend_client.c
APPSRC += backend_get.c
APPSRC += backend_plugin_restconf.c # Pseudo plugin for restconf daemon
APPSRC += backend_startup.c
APPOBJ  = $(APPSRC:.c=.o)

# Accessible from plugin
LIBSRC	= clixon_backend_transaction.c
LIBSRC += clixon_backend_handle.c
LIBSRC += backend_commit.c
LIBSRC += backend_plugin.c
LIBOBJ	= $(LIBSRC:.c=.o)

# Name of lib
MYNAME		= clixon_backend
MYLIBDYNAMIC    = lib$(MYNAME)$(SH_SUFFIX).$(CLIXON_MAJOR).$(CLIXON_MINOR)
MYLIBSO         = lib$(MYNAME)$(SH_SUFFIX).$(CLIXON_MAJOR)
MYLIBLINK       = lib$(MYNAME)$(SH_SUFFIX)
MYLIBSTATIC     = lib$(MYNAME)$(LIBSTATIC_SUFFIX)

all:	 $(APPL) test
ifeq ($(LINKAGE),dynamic)
all:	 $(MYLIBDYNAMIC)
else
all:	 $(MYSTATIC)
endif

# Dependency of clixon library
$(top_srcdir)/lib/src/$(CLIXON_LIB):
	(cd $(top_srcdir)/lib/src && $(MAKE) $(MFLAGS) $(CLIXON_LIB))

clean:
	rm -f *.core $(APPL) $(APPOBJ) $(LIBOBJ) $(MYLIBDYNAMIC) $(MYLIBSTATIC) $(MYLIBSO) $(MYLIBLINK) test test.c
	rm -f *.gcda *.gcno *.gcov # coverage

distclean: clean
	rm -f Makefile *~ .depend

# Put daemon in bin 
# Put other executables in libexec/
# Also create a libexec/ directory for writeable/temporary files.
# Put config file in etc/
install:	install-lib	$(APPL)
	install -d -m 0755 $(DESTDIR)$(sbindir)
	install -m 0755 $(INSTALLFLAGS) $(APPL) $(DESTDIR)$(sbindir)

ifeq ($(LINKAGE),dynamic)
install-lib: $(MYLIBDYNAMIC)
	install -d -m 0755 $(DESTDIR)$(libdir)
	install -m 0644 $(INSTALLFLAGS) $< $(DESTDIR)$(libdir)
	install -d -m 0755 $(DESTDIR)$(libdir)/clixon/plugins/backend
	ln -sf $< $(DESTDIR)$(libdir)/$(MYLIBSO)	   # -l:libclixon_backend.so.2
	ln -sf $(MYLIBSO) $(DESTDIR)$(libdir)/$(MYLIBLINK) # -l:libclixon_backend.so
else
install-lib: $(MYLIBSTATIC)
	install -d -m 0755 $(DESTDIR)$(libdir)
	install -m 0644 $(INSTALLFLAGS) $< $(DESTDIR)$(libdir)
	install -d -m 0755 $(DESTDIR)$(libdir)/clixon/plugins/backend
endif

uninstall:
	rm -f $(DESTDIR)$(sbindir)/$(APPL)
	rm -f $(DESTDIR)$(libdir)/$(MYLIBLINK)*
	rm -f $(DESTDIR)$(libdir)/$(MYLIBSTATIC)
	rm -f $(DESTDIR)$(libdir)/$(MYLIBDYNAMIC)
	rm -f $(DESTDIR)$(includedir)/clixon/*

install-include: clixon_backend.h clixon_backend_handle.h clixon_backend_transaction.h clixon_backend_plugin.h clixon_backend_commit.h
	install -d -m 0755 $(DESTDIR)$(includedir)/clixon
	install -m 0644 $^ $(DESTDIR)$(includedir)/clixon

.SUFFIXES:
.SUFFIXES: .c .o

.c.o:
	$(CC) $(INCLUDES) $(CPPFLAGS) -D__PROGRAM__=\"$(APPL)\" -DCLIXON_CONFIG_SBINDIR=\"$(sbindir)\" $(CFLAGS) -c $<

# Just link test programs
test.c	:
	echo "int main(){}" > $@

test: 	test.c $(LIBOBJ)

ifeq ($(LINKAGE),dynamic)
test:   $(MYLIBDYNAMIC)
else
test:   $(MYLIBSTATIC)
endif
	$(CC) $(INCLUDES) $(LDFLAGS) -L . $^ $(LIBS) -o $@

ifeq ($(LINKAGE),dynamic)
$(APPL): $(MYLIBDYNAMIC)
else
$(APPL): $(MYLIBSTATIC)
endif
$(APPL) : $(APPOBJ) $(LIBDEPS)
	$(CC) $(LDFLAGS) -L. $^ $(LIBS) -o $@

$(MYLIBDYNAMIC): $(LIBOBJ) $(LIBDEPS)
ifeq ($(HOST_VENDOR),apple)
	$(CC) $(LDFLAGS) -shared -undefined dynamic_lookup -o $@ -lc $(LIBOBJ)
else
	$(CC) $(LDFLAGS) -shared -Wl,-soname,$(MYLIBSO) -o $@ -lc $(LIBOBJ) -Wl,-soname=$(MYLIBSO)
endif

# link-name is needed for application linking, eg for clixon_cli and clixon_backend
$(MYLIBLINK) : $(MYLIBDYNAMIC)

$(MYLIBSTATIC) : $(LIBOBJ) $(LIBDEPS)
	ar -crs $@ $(LIBOBJ) $(LIBDEPS)

TAGS:
	find . -name '*.[chyl]' -print | etags -

depend:
	$(CC) $(DEPENDFLAGS) @DEFS@ $(INCLUDES) $(CFLAGS) -MM $(LIBSRC) $(APPSRC) > .depend

#include .depend

