asterisk/Makefile.moddir_rules

143 lines
5.0 KiB
Makefile

#
# 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
#
# Makefile rules for building modules.
# In most cases, we set target-specific variables for certain targets
# (remember that they apply recursively to prerequisites).
# Also note that we can only set one variable per rule, so we have to
# repeat the left hand side to set multiple variables.
ifneq ($(findstring MALLOC_DEBUG,$(MENUSELECT_CFLAGS)),)
ifeq ($(findstring astmm.h,$(ASTCFLAGS)),)
ASTCFLAGS+=-include $(ASTTOPDIR)/include/asterisk/astmm.h
endif
endif
ifeq ($(findstring LOADABLE_MODULES,$(MENUSELECT_CFLAGS)),)
ASTCFLAGS+=${GC_CFLAGS}
endif
ifneq ($(findstring STATIC_BUILD,$(MENUSELECT_CFLAGS)),)
STATIC_BUILD=-static
endif
include $(ASTTOPDIR)/Makefile.rules
# If MODULE_PREFIX is defined, use it to run the standard functions to set
# C_MODS, CC_MODS, LOADABLE_MODS and EMBEDDED_MODS.
# Each word of MODULE_PREFIX is a prefix for filenames that we consider
# valid C or CC modules (eg. app_, func_ ...).
# Use MODULE_EXCLUDE to specify additional modules to exclude.
ifneq ($(MODULE_PREFIX),)
# Compute the lowercase and uppercase directory name. The former
# is used as a key in MENUSELECT_EMBED, the latter is part of
# the name of the MENUSELECT_* variable containing the exclude list
# generated by menuselect.
A:=$(notdir $(CURDIR))
B:=$(shell echo $A | tr "[a-z]" "[A-Z]")
# MENUSELECT_$(L) contains the list of modules excluded by menuselect.
# MODULE_EXCLUDE contains the locally generated exclude list
L:=$(MENUSELECT_$(B)) $(MODULE_EXCLUDE)
# construct the list of C and CC modules from the content of the directory
C_MODS:=
CC_MODS:=
C_MODS+=$(foreach pre,$(MODULE_PREFIX),$(filter-out $(L),$(patsubst %.c,%,$(wildcard $(pre)*.c))))
CC_MODS+=$(foreach pre,$(MODULE_PREFIX),$(filter-out $(L),$(patsubst %.cc,%,$(wildcard $(pre)*.cc))))
# and store in the list of embedded or loadable modules
ifneq ($(findstring $(A),$(MENUSELECT_EMBED)),)
EMBEDDED_MODS:=$(C_MODS) $(CC_MODS)
else
LOADABLE_MODS:=$(C_MODS) $(CC_MODS)
endif
endif
# debugging
# x:=$(shell echo 'in $(B)' >&2)
# x:=$(shell echo 'filtered out $(L)' >&2)
# x:=$(shell echo 'C_MODS= $(C_MODS)' >&2)
# x:=$(shell sleep 2)
# Both C++ and C++ sources need their module name in AST_MODULE
# We also pass whatever _INCLUDE list is generated by menuselect
# (they are stored in file 'makeopts')
$(addsuffix .oo,$(CC_MODS)) $(addsuffix .o,$(C_MODS)): \
ASTCFLAGS+= -DAST_MODULE=\"$*\" $(MENUSELECT_OPTS_$*:%=-D%) $(foreach dep,$(MENUSELECT_DEPENDS_$*),$(value $(dep)_INCLUDE))
ifeq ($(findstring $(OSARCH), mingw32 cygwin ),)
# don't define -fPIC on mingw32 and cygwin, it is the default
$(LOADABLE_MODS:%=%.so): ASTCFLAGS+=-fPIC
endif
# For loadable modules, pass _LIB and _LDFLAGS from menuselect.
$(LOADABLE_MODS:%=%.so): LIBS+=$(foreach dep,$(MENUSELECT_DEPENDS_$*),$(value $(dep)_LIB))
$(LOADABLE_MODS:%=%.so): ASTLDFLAGS+=$(foreach dep,$(MENUSELECT_DEPENDS_$*),$(value $(dep)_LDFLAGS))
$(EMBEDDED_MODS:%=%.o): ASTCFLAGS+=-DEMBEDDED_MODULE=$*
$(addsuffix .so,$(filter $(LOADABLE_MODS),$(C_MODS))): %.so: %.o
$(addsuffix .so,$(filter $(LOADABLE_MODS),$(CC_MODS))): %.so: %.oo
modules.link: $(addsuffix .eo,$(filter $(EMBEDDED_MODS),$(C_MODS)))
.PHONY: clean uninstall _all
ifneq ($(LOADABLE_MODS),)
_all: $(LOADABLE_MODS:%=%.so)
ifneq ($(findstring $(OSARCH), mingw32 cygwin ),)
# linker options and extra libraries for cygwin
SOLINK=-Wl,--out-implib=lib$@.a -shared
LIBS+=-L$(ASTTOPDIR)/main -lasterisk -L$(ASTTOPDIR)/res $($@_LIBS)
# additional libraries in res/
endif
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 $(patsubst %,$(SUBDIR)/%,$(filter %.eo,$^)); do echo "INPUT (../$${file})" >> $@; done
@for file in $(patsubst %,$(SUBDIR)/%,$(filter-out %.eo,$^)); do echo "INPUT (../$${file})" >> $@; done
clean::
rm -f *.so *.o *.oo *.eo
rm -f .*.o.d .*.oo.d
rm -f *.s *.i
rm -f modules.link
install:: all
@echo "Installing modules from `basename $(CURDIR)`..."
@for x in $(LOADABLE_MODS:%=%.so); do $(INSTALL) -m 755 $$x $(DESTDIR)$(MODULES_DIR) ; done
uninstall::
ifneq ($(wildcard .*.d),)
include .*.d
endif