#
# Asterisk -- A telephony toolkit for Linux.
# 
# Makefile rules for subdirectories containing modules
#
# Copyright (C) 2006, Digium, Inc.
#
# Kevin P. Fleming <kpfleming@digium.com>
#
# This program is free software, distributed under the terms of
# the GNU General Public License
#

ifneq ($(findstring MALLOC_DEBUG,$(MENUSELECT_CFLAGS)),)
  CFLAGS+=-include $(ASTTOPDIR)/include/asterisk/astmm.h
endif

ifeq ($(findstring LOADABLE_MODULES,$(MENUSELECT_CFLAGS)),)
  CFLAGS+=${GC_CFLAGS}
endif

ifneq ($(findstring STATIC_BUILD,$(MENUSELECT_CFLAGS)),)
  STATIC_BUILD=-static
endif

include $(ASTTOPDIR)/Makefile.rules

comma:=,

define module_o_template
$(2): $(3)
$(2): CFLAGS+=-DAST_MODULE=\"$(1)\" $$(MENUSELECT_OPTS_$(1):%=-D%) $(foreach dep,$(MENUSELECT_DEPENDS_$(1)),$$(value $(dep)_INCLUDE))
endef

define module_so_template
$(1)=$(1).so
$(1).so: CFLAGS+=-fPIC
$(1).so: LIBS+=$(foreach dep,$(MENUSELECT_DEPENDS_$(1)),$$(value $(dep)_LIB))
$(1).so: LDFLAGS+=$(foreach dep,$(MENUSELECT_DEPENDS_$(1)),$$(value $(dep)_LDFLAGS))
$(1).so: $(2)
endef

define module_a_template
$(1)=modules.link
modules.link: $(2)
endef

$(foreach mod,$(C_MODS),$(eval $(call module_o_template,$(mod),$(mod).o,$(mod).c)))

$(foreach mod,$(CC_MODS),$(eval $(call module_o_template,$(mod),$(mod).oo,$(mod).cc)))

$(foreach mod,$(filter-out $(EMBEDDED_MODS),$(C_MODS)),$(eval $(call module_so_template,$(mod),$(mod).o)))

$(foreach mod,$(filter-out $(EMBEDDED_MODS),$(CC_MODS)),$(eval $(call module_so_template,$(mod),$(mod).oo)))

$(foreach mod,$(filter $(EMBEDDED_MODS),$(C_MODS)),$(eval $(call module_a_template,$(mod),$(mod).o)))

$(foreach mod,$(filter $(EMBEDDED_MODS),$(CC_MODS)),$(eval $(call module_a_template,$(mod),$(mod).oo)))

.PHONY: clean clean-depend depend uninstall _all

ifneq ($(LOADABLE_MODS),)
_all: $(LOADABLE_MODS:%=%.so)
endif

ifneq ($(EMBEDDED_MODS),)
_all: modules.link
__embed_ldscript:
	@echo "../$(SUBDIR)/modules.link"
__embed_ldflags:
	@echo "$(foreach mod,$(filter $(EMBEDDED_MODS),$(C_MODS)),$(foreach dep,$(MENUSELECT_DEPENDS_$(mod)),$(dep)_LDFLAGS))"
	@echo "$(foreach mod,$(filter $(EMBEDDED_MODS),$(CC_MODS)),$(foreach dep,$(MENUSELECT_DEPENDS_$(mod)),$(dep)_LDFLAGS))"
__embed_libs:
	@echo "$(foreach mod,$(filter $(EMBEDDED_MODS),$(C_MODS)),$(foreach dep,$(MENUSELECT_DEPENDS_$(mod)),$(dep)_LIB))"
	@echo "$(foreach mod,$(filter $(EMBEDDED_MODS),$(CC_MODS)),$(foreach dep,$(MENUSELECT_DEPENDS_$(mod)),$(dep)_LIB))"
else
__embed_ldscript:
__embed_ldflags:
__embed_libs:
endif

modules.link:
	@rm -f $@
	@for file in $(patsubst $(ASTTOPDIR)/%,%,$(realpath $^)); do echo "INPUT (../$${file})" >> $@; done

clean-depend::
	rm -f .depend

clean:: clean-depend
	rm -f *.so *.o *.oo
	rm -f modules.link

install:: all
	for x in $(LOADABLE_MODS:%=%.so); do $(INSTALL) -m 755 $$x $(DESTDIR)$(MODULES_DIR) ; done

uninstall::

ifneq ($(wildcard .depend),)
  include .depend
endif

depend: .depend

.depend:
	../build_tools/mkdep $(CFLAGS) `ls *.c *.cc 2> /dev/null`