#
#  Unless you and Broadcom execute a separate written software license
#  agreement governing use of this software, this software is licensed to
#  you under the terms of the GNU General Public License version 2 (the
#  "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php,
#  with the following added to such license:
#  
#  As a special exception, the copyright holders of this software give
#  you permission to link this software with independent modules, and to
#  copy and distribute the resulting executable under terms of your
#  choice, provided that you also meet, for each linked independent
#  module, the terms and conditions of the license of that module.  An
#  independent module is a module which is not derived from this
#  software.  The special exception does not apply to any modifications
#  of the software.
#
#
# $Id: Make.linux,v 1.18 Broadcom SDK $
# $Copyright: (c) 2005 Broadcom Corp.
# All Rights Reserved.$
# 
# Common make targets for Linux user and kernel builds included by top
# level Linux makefiles
#
# Variables referenced:
#
# LINUX_MAKE_FLAGS
#   Additional flags passed to Make
#
# LINUX_MAKE_USER
#   Defined: user build
#   Undefined: kernel build
#
# LINUX_MAKE_DIR
#   Common makefile location, if it is not ../common
#
#

export DEST_DIR_SUFFIX :=$(subst $(realpath $(SDK))/systems,,$(realpath $(CURDIR)/$(dir ($(firstword $(MAKEFILE_LIST))))))

ifeq (,$(kernel_version))
kernel_version=2_4
endif

ifndef LINUX_MAKE_SHARED_LIB
LINUX_MAKE_SHARED_LIB=0
endif

ifeq (,$(SHAREDLIBVER))
SHAREDLIBVER=1
endif

ifndef LINUX_MAKE_DIR
ifdef LINUX_MAKE_USER
LINUX_MAKE_DIR := $(SDK)/systems/linux/user/common
else
LINUX_MAKE_DIR := $(SDK)/systems/linux/kernel/common
endif
endif

ifdef LINUX_MAKE_USER
  CMD = $(LINUX_MAKE_FLAGS) -C $(LINUX_MAKE_DIR) \
        platform=$(platform) bldroot_suffix=/$(platform) kernel_version=$(kernel_version) \
        LINUX_MAKE_SHARED_LIB=$(LINUX_MAKE_SHARED_LIB) SHAREDLIBVER=$(SHAREDLIBVER)
else
  export LINUX_MAKE_KERNEL := 1
  CMD = $(LINUX_MAKE_FLAGS) -C $(LINUX_MAKE_DIR) \
        platform=$(platform) kernel_version=$(kernel_version)
endif

ifneq (,$(MIPS_TOOLS_DIR))
  CMD += MIPS_TOOLS_DIR=$(MIPS_TOOLS_DIR)
endif

ifneq (,$(MIPS_CROSS_COMPILE))
  CMD += MIPS_CROSS_COMPILE=$(MIPS_CROSS_COMPILE)
endif

ifneq (,$(LINUX_INCLUDE))
  CMD += LINUX_INCLUDE=$(LINUX_INCLUDE)
endif

# gmake does not understand $(CMD) to be a submake
# options are to +$(CMD) or $(MAKE) $(CMD)
# trying the latter
build:
	$(MAKE) $(CMD)

DELIVER clean C_COMPILER CXX_COMPILER variable mod bcm user:
	$(MAKE) $(CMD) $@

clean_d: clean

distclean:
	$(MAKE) $(CMD) $@
        
.PHONY: build clean distclean clean_d DELIVER variable mod bcm user