# this is not really used as we don't do 'make install'. You can still specify
# it in case you _want_ to manually 'make install' the target libosmocore.
CROSS_INST_PREFIX ?= /usr/local/stow/osmocom-bb/arm-2010.09

# this is the host tuple of your cross-toolchain
CROSS_HOST ?= $(shell which arm-elf-gcc >/dev/null 2>&1 && echo arm-elf || echo arm-none-eabi)

# this is the prefix of your cross-toolchain programs
CROSS_TOOL_PREFIX=$(CROSS_HOST)-

TOPDIR=$(shell pwd)
OSMOCORE_CONFIGURE_ENV= LIBOSMOCORE_LIBS=$(TOPDIR)/shared/libosmocore/build-host/src/.libs/libosmocore.a \
                        LIBOSMOVTY_LIBS=$(TOPDIR)/shared/libosmocore/build-host/src/vty/.libs/libosmovty.a \
	 	    	LIBOSMOCORE_CFLAGS=-I$(TOPDIR)/shared/libosmocore/include \
	 	    	LIBOSMOVTY_CFLAGS=-I$(TOPDIR)/shared/libosmocore/include

all: libosmocore-target nofirmware firmware
nofirmware: libosmocore-host layer23 osmocon gsmmap

libosmocore-host: shared/libosmocore/build-host/src/.libs/libosmocore.la

shared/libosmocore/build-host:
	mkdir $@

shared/libosmocore/configure: shared/libosmocore/configure.in
	cd shared/libosmocore && autoreconf -i

shared/libosmocore/build-host/Makefile: shared/libosmocore/configure shared/libosmocore/build-host
	cd shared/libosmocore/build-host && ../configure $(HOST_CONFARGS)

shared/libosmocore/build-host/src/.libs/libosmocore.la: shared/libosmocore/build-host/Makefile
	cd shared/libosmocore/build-host && make


libosmocore-target: shared/libosmocore/build-target/src/.libs/libosmocore.a

shared/libosmocore/build-target:
	mkdir $@

shared/libosmocore/build-target/Makefile: shared/libosmocore/configure shared/libosmocore/build-target
	cd shared/libosmocore/build-target && ../configure \
			--host=$(CROSS_HOST) --disable-vty --enable-panic-infloop \
			--disable-shared --disable-talloc --disable-tests \
		CFLAGS="-Os -ffunction-sections -I$(TOPDIR)/target/firmware/include -nostartfiles -nodefaultlibs"

shared/libosmocore/build-target/src/.libs/libosmocore.a: shared/libosmocore/build-target/Makefile
	cd shared/libosmocore/build-target && make


.PHONY: osmocon
osmocon: host/osmocon/osmocon

host/osmocon/configure: host/osmocon/configure.ac
	cd host/osmocon && autoreconf -i

host/osmocon/Makefile: host/osmocon/configure
	cd host/osmocon && $(OSMOCORE_CONFIGURE_ENV) ./configure $(HOST_CONFARGS)

host/osmocon/osmocon: host/osmocon/Makefile libosmocore-host
	make -C host/osmocon


.PHONY: gsmmap
gsmmap: host/gsmmap/gsmmap

host/gsmmap/configure: host/gsmmap/configure.ac
	cd host/gsmmap && autoreconf -i

host/gsmmap/Makefile: host/gsmmap/configure
	cd host/gsmmap && $(OSMOCORE_CONFIGURE_ENV) ./configure $(HOST_CONFARGS)

host/gsmmap/gsmmap: host/gsmmap/Makefile libosmocore-host
	make -C host/gsmmap


.PHONY: layer23
layer23: host/layer23/layer23

host/layer23/configure: host/layer23/configure.ac
	cd host/layer23 && autoreconf -i

host/layer23/Makefile: host/layer23/configure
	cd host/layer23 && $(OSMOCORE_CONFIGURE_ENV) ./configure $(HOST_CONFARGS)

host/layer23/layer23: host/layer23/Makefile libosmocore-host
	make -C host/layer23


.PHONY: firmware
firmware: libosmocore-target
	make -C target/firmware CROSS_COMPILE=$(CROSS_TOOL_PREFIX)


clean:
	make -C shared/libosmocore/build-host $@
	make -C shared/libosmocore/build-target $@
	make -C host/layer23 $@
	make -C host/osmocon $@
	make -C target/firmware $@

distclean:
	rm -rf shared/libosmocore/build-host
	rm -rf shared/libosmocore/build-target
	make -C host/layer23 $@
	make -C host/osmocon $@
	make -C target/firmware $@