IPSECVERSION=2.03
# vim:aw:ai
#
# null-patch, non-root GNUmakefile addon for freeswan modules compilation
# 
# It will not "affect" normal KLIPS  building because this GNUmakefile
# it's not copied to /usr/src/linux
#
# Author: JuanJo Ciarlante <jjo-ipsec@mendoza.gov.ar>
# $Id: Makefile.algtest,v 1.2 2004/03/22 21:53:19 as Exp $
#
# 1) Copy me to linux/net/ipsec 
# 2)  
#     cd klibs/net/ipsec
#     make prep TOPDIR=/path/to/usr/src/linux \
#		[CONFIG=/path/to/.config | CONFIG=/dev/null]
# 3)  
#     make all TOPDIR=.... CONFIG=....
#CONFIG_IPSEC_ENC_3DES=y
#CONFIG_IPSEC_AUTH_HMAC_MD5=y
#CONFIG_IPSEC_AUTH_HMAC_SHA1=y
CONFIG_IPSEC_ALG_AES=m

ifndef TOPDIR
$(error You _must_ pass TOPDIR= and optionally CONFIG=)
endif
CONFIG=$(TOPDIR)/.config
include $(CONFIG)

ifdef CONFIG_USERMODE
	ARCH=um
endif
CONFIG_IPSEC=m
CONFIG_IPSEC_MODULE=y
CONFIG_IPSEC_IPIP=y
CONFIG_IPSEC_AH=y
CONFIG_IPSEC_ESP=y
CONFIG_IPSEC_ALG=y
CONFIG_IPSEC_IPCOMP=y

CONFIG_M586 :=$(shell uname -m | sed -n "s/i586/y/p" )
CONFIG_M686 :=$(shell uname -m | sed -n "s/i686/y/p" )
export CONFIG_M586 CONFIG_M686
cflags-arch-$(CONFIG_M586) 		+= -march=i586
cflags-arch-$(CONFIG_M586_TSC)		+= -march=i586
cflags-arch-$(CONFIG_M686)		+= -march=i686
cflags-arch-$(CONFIG_MPENTIUMIII)	+= -march=i686
cflags-arch-$(CONFIG_MK7)		+= -march=i686 -malign-functions=4
CFLAGS_ARCH := $(cflags-arch-y)

ifndef $(CONFIG_SHELL)
CONFIG_SHELL=/bin/bash
endif
export CONFIG_SHELL TOPDIR

ifdef CONFIG_SMP
EXTRA_CFLAGS += -D__SMP__
EXTRA_AFLAGS += -D__SMP__
endif

CFLAGS_IPSEC:=\
	-DMODVERSIONS \
	-DCONFIG_IPSEC_MODULE=1\
	-DCONFIG_IPSEC_IPIP=1\
	-DCONFIG_IPSEC_AH=1\
	-DCONFIG_IPSEC_ESP=1\
	-DCONFIG_IPSEC_IPCOMP=1\
	-DCONFIG_IPSEC_DEBUG=1 \
	-DCONFIG_IPSEC_ALG=1 \

#	-DCONFIG_IPSEC_DEBUG=1 \
#
cflags-ipsec-$(CONFIG_IPSEC_ENC_3DES)	+= -DCONFIG_IPSEC_ENC_3DES=1
cflags-ipsec-$(CONFIG_IPSEC_ALG_AES)	+= -DCONFIG_IPSEC_ALG_AES=1
cflags-ipsec-$(CONFIG_IPSEC_AUTH_HMAC_MD5)+= -DCONFIG_IPSEC_AUTH_HMAC_MD5=1
cflags-ipsec-$(CONFIG_IPSEC_AUTH_HMAC_SHA1)+= -DCONFIG_IPSEC_AUTH_HMAC_SHA1=1
CFLAGS_IPSEC+=$(cflags-ipsec-y)
export CONFIG_IPSEC
export CONFIG_IPSEC_MODULE


# last bits over CFLAGS ...
CFLAGS+=$(KINCLUDE) $(CFLAGS_IPSEC) $(CFLAGS_ARCH)  $(CFLAGS_KERNEL)
EXTRA_CFLAGS:=-I$(LOCALKLIPS) -I$(IPSEC_ROOT)/lib 
# libdes options: OPTS1
OPTS1:=$(CFLAGS) $(EXTRA_CFLAGS)
export OPTS1 CFLAGS

#include Makefile
KERNEL_CFLAGS= $(shell $(MAKE) -C $(TOPDIR) --no-print-directory -s -f Makefile ARCH=$(ARCH) MAKEFLAGS= script SCRIPT='@echo $$(CFLAGS)'   )

MODULE_CFLAGS= $(shell $(MAKE) -C $(TOPDIR) --no-print-directory -s -f Makefile ARCH=$(ARCH) MAKEFLAGS= script SCRIPT='@echo $$(MODFLAGS)'  ) 


ALGO_FLAGS=$(CFLAGS_IPSEC)
export ALGO_FLAGS
all: modules alg_modules
modules:
	$(MAKE) -C $(TOPDIR) SUBDIRS=$(PWD) modules 

ifdef CONFIG_USERMODE
local_modversions_h:
	> local_modversions.h
else
local_modversions_h:
	(echo "#ifndef _LINUX_MODVERSIONS_H";\
	  echo "#define _LINUX_MODVERSIONS_H"; \
	  echo "#include <linux/modsetver.h>"; \
	  cd $(TOPDIR)/include/linux/modules; \
	  perl -ne 'print "#define __ver_$$1\t$$2$$3\n#define $$1\t_set_ver($$1)\n" if (/ (.*)_R(smp)?([a-z0-9]{8})\W/);' /proc/ksyms ;\
	  echo "#endif"; \
	) > local_modversions.h
endif
un_local_modversions_h:
	@rm -f local_modversions.h

all_alg_modules:
	(cd alg && \
	        $(MAKE) CC='$(CC)' CFLAGS='$(CFLAGS) $(EXTRA_CFLAGS)' \
		LIBCRYPTO=$(LOCALKLIPS)/../../../lib/libcrypto \
		all_alg_modules;)

.PHONY: local_modversions_h