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opensips-clone / Makefile.defs

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# $Id$
#
# makefile defs (CC, LD,a.s.o)
#
# Environment variables:
#   PREFIX, LOCALBASE, SYSBASE, BASEDIR
#   INSTALL, TAR , CC, LEX, YACC,
#   CPU, CC_EXTRA_OPTS, LD_EXTRA_OPTS
#   exclude_modules, skip_modules, include_modules
#   extra_defs
#
# History:
# --------
#              created by andrei
#  2003-02-24  added LOCALBASE, fixed doc-dir for freebsd - patch provided
#               by Maxim Sobolev <sobomax@FreeBSD.org>
#  2003-02-25  added -DDISABLE_NAGLE (andrei)
#  2003-03-02  added -DDIGEST_DOMAIN (janakj)
#  2003-03-10  added -xcode=pic32 for module compilation w/ sun cc
#               (too many symbols for pic13)  (andrei)
#  2003-04-16  added CC_EXTRA_OPTS, s/march/mcpu, added CPU (cpu to optimize 
#               for, used only with gcc-3.x) (andrei)
#  2003-05-23  check if this makefile was already included (andrei)
#              removed -DDIGEST_DOMAIN (andrei)
#  2003-05-30  added extra_defs (andrei)
#  2003-06-06  moved compiler detection before DEFS (andrei)
#  2003-06-10  removed -m32 for gcc 3.x/sparc64  -- it will use 
#              arch. default: -m32 on solaris, -m64 on *bsd (andrei)
#  2003-09-25  added -pthread into LIBS when compiling on FreeBSD/alpha
#              and other FreeBSD arches for which no fast locking assembly
#              code exists (sobomax)
#  2003-11-08  mips1 support introduced (andrei)
#  2003-11-24  openbsd 3.4 (elf) fixes (andrei)
#  2004-07-27  darwin (mac os x) port  (andrei)
#  2004-09-12  mips2 & cobalt support introduced (andrei)
#  2004-09-28  x86_64 support introduced (andrei)
#  2004-12-14  gcc-3.4 special case added (andrei)
#  2004-12-15  HAVE_ALLOCA_H added (andrei)
#  2004-12-19  amd64 transformed in x86_64 (andrei)
#  2005-04-27  alpha support added (andrei)
#  2005-06-01  use $(LOCALBASE) instead of /usr/{local,pkg} (andrei)
#  2006-10-19  gcc-3.4 and gcc-3.0 cases merged as they proved to be identical;
#              CC_CLASS replaces CC_SHORTVER while CC_SHORTVER is keept without
#              any wildcards (bogdan)
#  2007-02-12  use $(SYSBASE) instead of /usr - easy to switch to another
#              root for cross compiling (bogdan)
#  2007-02-12  CPU replaced with CPU_TYPE to avoid overlapping with system 
#              env. variables on some OS. (bogdan)
#  2007-11-29  Add support for GNU/kFreeBSD. Substitute / for _ in $(OS).
#  2009-01-15  Detection of CPU Type in Solaris to apply specific optimization 
#	       flags (saguti)

# check if already included/exported

ifeq ($(makefile_defs), 1)
else
makefile_defs=1
export makefile_defs

# main binary name
MAIN_NAME=opensips

#version number
VERSION = 1
PATCHLEVEL = 5
SUBLEVEL = 1
EXTRAVERSION =

RELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
OS = $(shell uname -s | sed -e s/SunOS/solaris/ | tr "[A-Z/]" "[a-z_]")

ifeq ($(OS),solaris)
	GETARCH=uname -p
	
	# CHIP Detection
	CHIP = $(shell /usr/sbin/modinfo | grep SUNW | head | cut -d, -f2 | \
			awk '{print $1}' | tr "[A-Z]" "[a-z]" | sed 's/ ()//g' )
else
	GETARCH=uname -m
endif

ARCH := $(shell $(GETARCH) |sed -e s/i.86/i386/ -e s/sun4u/sparc64/  \
			-e s/armv4l/arm/ -e "s/Power Macintosh/ppc/" \
			-e s/sun4v/sparc64/ -e "s/cobalt/mips2/" \
			-e s/amd64/x86_64/ )

# fix sparc -> sparc64
ifeq ($(ARCH),sparc)
	ifeq ($(shell uname -m),sun4u)
		ARCH := sparc64
	endif
	ifeq ($(shell uname -m),sun4v)
		ARCH := sparc64
	endif
endif

# additional check for architecture on solaris
ifeq ($(OS),solaris)
	ifeq ($(shell isainfo -k),amd64)
		ARCH := x86_64
	endif
endif

# Check of SMP systems
ifeq ($(OS),solaris)
	CPU=$(shell /usr/sbin/psrinfo | grep -i online | wc -l)
	ifeq ($(CPU),1)
		ISSMP ?= no
	else
		ISSMP ?= yes
	endif
else
	SMP_STR = $(shell uname -v | grep -i "SMP")
	ifeq (,$(SMP_STR))
		ISSMP ?= no
	else
		ISSMP ?= yes
	endif
endif

OSREL = $(shell uname -r)
# numerical version (good for comparisons: A.B.C => A*1000000+B*1000+C)
OSREL_N= $(shell echo $(OSREL) | sed -e 's/^[^0-9]*//' \
		-e 's/^\([0-9][0-9]*\(\.[0-9][0-9]*\)*\).*$$/\1/g' | \
		(IFS=. read A B C D; R=0; \
		[ -n "$$A" ] && R=`expr $$R \* 1000 + $$A` && \
		[ -n "$$B" ] && R=`expr $$R \* 1000 + $$B` && \
		[ -n "$$C" ] && R=`expr $$R \* 1000 + $$C`; echo $$R ) )

# no Debug (-g) ?
DEBUGSYM=-g
ifdef NODEBUGSYM
	DEBUGSYM:=
endif

# nicer compilation?
Q=
NICER ?= 
ifneq ($(NICER),)
	export Q=@
endif

# TLS support
TLS ?= 
ifneq ($(TLS),)
	RELEASE:=$(RELEASE)-tls
else
	RELEASE:=$(RELEASE)-notls
endif
# extra CC command line options (e.g  -march=athlon-mp)
CC_EXTRA_OPTS ?=

# cross compiling?
CROSS_COMPILE ?=

# system base
SYSBASE ?= /usr

# dirs 
cfg-dir = etc/$(MAIN_NAME)/
bin-dir = sbin/

ARCH_B = $(shell echo $(ARCH) | sed -e 's/.*64.*/64b/')
ifeq ($(ARCH_B),64b)
	LIBDIR ?= lib64
else
	LIBDIR ?= lib
	# assume 32b - it is not really used further
	ARCH_B=32b
endif

lib-dir = $(LIBDIR)/$(MAIN_NAME)
modules-dir = $(LIBDIR)/$(MAIN_NAME)/modules/

ifeq ($(OS), linux)
	doc-dir = share/doc/$(MAIN_NAME)/
	man-dir = share/man/
	data-dir = share/$(MAIN_NAME)/
	LOCALBASE ?= $(SYSBASE)/local
else
ifeq ($(OS), freebsd)
	doc-dir = share/doc/$(MAIN_NAME)/
	man-dir = man/
	data-dir = share/$(MAIN_NAME)/
	LOCALBASE ?= $(SYSBASE)/local
else
ifeq ($(OS), openbsd)
	doc-dir = share/doc/$(MAIN_NAME)/
	man-dir = man/
	data-dir = share/$(MAIN_NAME)/
	LOCALBASE ?= $(SYSBASE)/local
else
ifeq ($(OS), netbsd)
	doc-dir = share/doc/$(MAIN_NAME)
	man-dir = man/
	data-dir = share/$(MAIN_NAME)/
	LOCALBASE ?= $(SYSBASE)/pkg
else
ifeq ($(OS), darwin)
	doc-dir = share/doc/$(MAIN_NAME)/
	man-dir = man/
	data-dir = share/$(MAIN_NAME)/
	LOCALBASE ?= $(SYSBASE)/local
ifeq ($(OS), gnu_kfreebsd)
	doc-dir = share/doc/$(MAIN_NAME)/
	man-dir = share/man/
	data-dir = share/$(MAIN_NAME)/
	LOCALBASE = ?= $(SYSBASE)/local
else
	doc-dir = doc/$(MAIN_NAME)/
	man-dir = man/
	data-dir = $(MAIN_NAME)/
	LOCALBASE ?= $(SYSBASE)/local
endif
endif
endif
endif
endif
endif

 # install location
DESTDIR ?= $(LOCALBASE)
PREFIX ?= $(DESTDIR)
prefix = $(PREFIX)
# install path is $(basedir) $(prefix) 
# example:
#  creating a bin. archive in /tmp, which unpacks in /usr/local
#  basedir=/tmp
#  prefix=/usr/local

BASEDIR ?=
basedir = $(BASEDIR)
# install prefixes for various stuff
cfg-prefix = $(basedir)$(prefix)
bin-prefix = $(basedir)$(prefix)
modules-prefix = $(basedir)$(prefix)
doc-prefix = $(basedir)$(prefix)
man-prefix = $(basedir)$(prefix)
ut-prefix = $(basedir)$(prefix)
data-prefix = $(basedir)$(prefix)

# target dirs for various stuff
cfg-target = $(prefix)/$(cfg-dir)
bin-target = $(prefix)/$(bin-dir)
lib-target = $(prefix)/$(lib-dir)
modules-target = $(prefix)/$(modules-dir)
doc-target = $(prefix)/$(doc-dir)
data-target = $(prefix)/$(data-dir)


ifeq ($(OS), solaris)
#use GNU versions
INSTALL ?= ginstall
TAR ?= gtar
else
INSTALL ?= install 
TAR ?= tar
endif

INSTALL_TOUCH = touch          # used to create the file first (good to 
                               #  make solaris install work)
INSTALL_CFG = $(INSTALL) -m 644
INSTALL_BIN = $(INSTALL) -m 755
INSTALL_MODULES = $(INSTALL) -m 755
INSTALL_DOC = $(INSTALL) -m 644
INSTALL_MAN = $(INSTALL) -m 644

#set some vars from the environment (and not make builtins)
CC   := $(shell echo "$${CC}")
LEX  := $(shell echo "$${LEX}")
YACC := $(shell echo "$${YACC}")
 
ifeq ($(SVNVERSION),)
SVNVERSION = $(shell which svnversion)
endif

ifeq ($(OLDSVNREVISION),)
OLDSVNREVISION = $(shell if [ -f ".svnrevision" ] ; then \
					 cat .svnrevision ;\
				 fi )
endif

ifeq ($(SVNREVISION),)
SVNREVISION = $(shell if [ -d .svn -a -f main.c -a -f Makefile.defs ] ; then \
				if [ -x "$(SVNVERSION)" ] ; then \
					$(SVNVERSION) -n -c . ;\
				fi ;\
		fi )
endif

ifneq ($(SVNREVISION),)
NEWSVNREVISION = $(shell if [ "$(SVNREVISION)" != "$(OLDSVNREVISION)" ] ; then \
						echo "dosvnrev" ; \
					fi )
endif

ifeq ($(DBXML2HTML),)
DBXML2HTML = $(shell which xsltproc)
endif

ifneq ($(DBXML2HTML),)
ifeq ($(DBHTMLCSS),)
DBHTMLCSS = ../../../doc/module-docbook.css
endif
DBHTMLXSL = /usr/share/xml/docbook/stylesheet/nwalsh/html/docbook.xsl
DBXML2HTMLPARAMS = --stringparam section.autolabel 1
DBXML2HTMLPARAMS += --stringparam section.label.includes.component.label 1
DBXML2HTMLPARAMS += --stringparam generate.toc "book toc,title,figure,table,example" 
DBXML2HTMLPARAMS += --stringparam html.stylesheet $(DBHTMLCSS)
endif

ifeq ($(DBHTML2TXT),)
DBHTML2TXT = $(shell which lynx)
endif

ifneq ($(DBHTML2TXT),)
DBHTML2TXTPARAMS = -force_html -dump -nolist -width=72
endif

ifeq ($(DBXML2PDF),)
DBXML2PDF = $(shell which docbook2pdf)
endif

# find compiler name & version
ifeq ($(CC),)
	CC=gcc
endif
LD= $(CC)
CC_LONGVER=$(shell if  $(CC) -v 2>/dev/null; then \
						$(CC) -v 2>&1 ;\
					else \
						$(CC) -V 2>&1 ; \
					fi )
MKTAGS=ctags -R .

#find-out the compiler's name

ifneq (,$(findstring gcc, $(CC_LONGVER)))
	CC_NAME=gcc
	CC_VER=$(word 1,$(CC)) $(shell $(CC) - --version|head -n 1|cut -d" " -f 3|\
			 sed -e 's/^.*\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*/\1/' \
			 	 -e 's/^[^0-9].*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/')
	# sun sed is a little brain damaged => this complicated expression
	MKDEP=$(CC) -MM 
	CC_SHORTVER=$(shell echo "$(CC_VER)" | cut -d" " -f 2| \
				 sed -e 's/[^0-9]*-\(.*\)/\1/'| \
				 sed -e 's/\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/' )
	#transform gcc version into 2.9x, 3.x or 4.x
	CC_CLASS=$(shell echo "$(CC_SHORTVER)" | \
				 sed -e 's/2\.9.*/2.9x/' -e 's/3\.[0-9]/3.x/' \
				 -e 's/4\.[0-9]/4.x/')
endif

ifneq (, $(findstring Sun, $(CC_LONGVER)))
	CC_NAME=suncc
	CC_SHORTVER=$(shell echo "$(CC_LONGVER)"|head -n 1| \
					sed -e 's/.*\([0-9]\.[0-9]\).*/\1/g' )
	CC_VER=$(CC) $(CC_SHORTVER)
	MKDEP=$(CC) -xM1 
endif

ifneq (, $(findstring Intel(R) C++ Compiler, $(CC_LONGVER)))
	# very nice: gcc compatible
	CC_NAME=icc
	CC_FULLVER=$(shell echo "$(CC_LONGVER)"|head -n 1| \
					sed -e 's/.*Version \([0-9]\.[0-9]\.[0-9]*\).*/\1/g' )
	CC_SHORTVER=$(shell echo "$(CC_FULLVER)" | cut -d. -f1,2 )
	CC_VER=$(CC) $(CC_FULLVER)
	MKDEP=$(CC) -MM 
endif


ifeq (,$(CC_NAME))
#not found
	CC_NAME=$(CC)
	CC_SHORTVER=unknown
	CC_VER=unknown
	MKDEP=gcc -MM 
$(warning	Unknown compiler $(CC)\; supported compilers: \
			gcc, sun cc, intel icc )
endif


# compile-time options
#
# -DNO_DEBUG
#		turns off some of the debug messages (DBG(...)).
# -DNO_LOG
#		completely turns of all the logging (and DBG(...))
# -DEXTRA_DEBUG
#		compiles in some extra debugging code
# -DSHM_MEM
#		compiles in shared mem. support, needed by some modules and
#		by USE_SHM_MEM
# -DSHM_MMAP
#		use mmap instead of SYSV shared memory
# -DPKG_MALLOC
#		uses a faster malloc (exclusive w/ USE_SHM_MEM)
# -DUSE_SHM_MEM
#		all pkg_malloc are mapped to shm_malloc (most mallocs use
#		a common shared mem. segment); don't define PKG_MALLOC
#		if you want this!
# -DDBG_QM_MALLOC
#		qm_malloc debug code, will cause pkg_malloc and shm_malloc
#		to keep and display lot of debuging information: file name,
#		function, line number of malloc/free call for each block,
#		extra error checking (trying to free the same pointer
#		twice, trying to free a pointer alloc'ed with a different
#		malloc etc.)
# -DVQ_MALLOC
#		additional option of PKG_MALLOC which utilizes faster then the
#		QM version
#		(this is not true anymore, q_malloc performs approx. the same)
# -DF_MALLOC
#		an even faster malloc, not recommended for debugging
# -DDBG_MALLOC
#		issues additional debugging information if lock/unlock is called
# -DFAST_LOCK
#		uses fast architecture specific locking (see the arch. specific section)
# -DUSE_SYSV_SEM
#		uses SYSV sems for locking (this is slower and supports only a
#		limited number of locks)
# -DUSE_PTHREAD_MUTEX
#		uses pthread mutexes, faster than SYSV or posix semaphores, but it do
#		not work on all systems inter-processes (e.g. linux)
# -DUSE_POSIX_SEM
#		uses posix semaphores for locking (faster than SYSV)
# -DBUSY_WAIT
#		uses busy waiting on the lock (FAST_LOCK)
# -DADAPTIVE_WAIT
#		try busy waiting for a while and if the lock is still held go to
#		force reschedule (FAST_LOCK)
# -DADAPTIVE_WAIT_LOOPS=number
#		number of loops we busy wait, after "number" loops have elapsed we 
#		force a reschedule (FAST_LOCK)
# -DNOSMP
#		don't use smp compliant locking (faster but won't work on SMP machines)
#		(not yet enabled) (FAST_LOCK)
# -DUSE_TCP
#		compiles in tcp support
# -DDISABLE_NAGLE
#		disable the tcp Nagle algorithm (lower delay)
# -DUSE_TLS
#		compiles in tls support, requires -DUSE_TCP. Please use
#		make TLS=1 instead. (tls support is experimental for now)
# -DHAVE_RESOLV_RES
#		support for changing some of the resolver parameters present
#		 (_res structure in <resolv.h>)
# -DSTATISTICS
#		enables statistics manager - support for collecting statistics
#		from core and all modules; all info may be fetch via FIFO/UNIX_SOCK
# -DCHANGEABLE_DEBUG_LEVEL
#		enables support for changeable debug level at runtime
# -DORACLE_USRLOC
#		use oracle compatible SQL in the the get_all_ucontacts function in usrloc,
#		needed for example from the nathelper module


DEFS+= $(extra_defs) \
	 -DNAME='"$(MAIN_NAME)"' -DVERSION='"$(RELEASE)"' -DARCH='"$(ARCH)"' \
	 -DOS='"$(OS)"' -DCOMPILER='"$(CC_VER)"' -D__CPU_$(ARCH) -D__OS_$(OS) \
	 -D__SMP_$(ISSMP) -DCFG_DIR='"$(cfg-target)"'\
	 -DPKG_MALLOC \
	 -DSHM_MEM  -DSHM_MMAP \
	 -DUSE_IPV6 \
	 -DUSE_MCAST \
	 -DUSE_TCP \
	 -DDISABLE_NAGLE \
	 -DHAVE_RESOLV_RES \
	 -DSTATISTICS \
	 -DCHANGEABLE_DEBUG_LEVEL \
	 -DF_MALLOC \
	 #-DDBG_QM_MALLOC \
	 #-DDBG_F_MALLOC \
	 #-DNO_DEBUG \
	 #-DNO_LOG \
	 #-DVQ_MALLOC  \
	 #-DDBG_LOCK \
	 #-DNOSMP \
	 #-DEXTRA_DEBUG \
	 #-DUSE_SHM_MEM \
	 #-DORACLE_USRLOC

#PROFILE=  -pg #set this if you want profiling

# WARNING: do not add mode=debug or mode=release anymore in the Makefile,
# use make mode=debug all instead. Anyway now by default opensips 
# is  compiled w/ debugging symbols in all cases (-g). --andrei

ifneq ($(SVNREVISION),)
	DEFS+= -DSVNREVISION='"$(SVNREVISION)"' 
endif

ifneq ($(FREERADIUS),)
	DEFS+= -DUSE_FREERADIUS
	RADIUS_LIB= -lfreeradius-client
else
	RADIUS_LIB= -lradiusclient-ng
endif

ifneq ($(TLS),)
	DEFS+= -DUSE_TLS
endif

ifneq ($(SCTP),)
	DEFS+= -DUSE_SCTP
endif

ifeq ($(mode),)
	mode = release
endif

ifeq ($(mode),debug)
	DEFS+= -DEXTRA_DEBUG
endif

# platform dependent settings

# find ld & as name (gnu or solaris)
ifeq ($(OS), solaris)
ifeq ($(CC_NAME), gcc)
		LDGCC=$(shell $(CC) -v 2>&1 | grep with-ld| \
				   sed -e 's/.*--with-ld=\([^ ][^ ]*\).*/\1/' )
		ASGCC=$(shell $(CC) -v 2>&1 | grep with-as| \
				   sed -e 's/.*--with-as=\([^ ][^ ]*\).*/\1/' )
		LDPATH=$(shell  if [ -z "$(LDGCC)" ] ; then echo "ld" ;\
						else \
						if $(LDGCC) -V 2>/dev/null 1>/dev/null; then \
							echo $(LDGCC); \
						else echo "ld" ; \
						fi\
						fi)
		ASPATH=$(shell  if [ -z "$(ASGCC)" ] ; then echo "as" ;\
						else \
						if $(ASGCC) -V 2>/dev/null 1>/dev/null; then \
							echo $(ASGCC); \
						else echo "as" ; \
						fi\
						fi)

		LDTYPE=$(shell if $(LDPATH) -V 1>/dev/null  2>/dev/null; then \
							if $(LDPATH) -V 2>&1|grep GNU >/dev/null; \
							then echo gnu; \
							else \
							if $(LDPATH) -V 2>&1|grep Solaris >/dev/null;\
							then echo solaris; \
							else \
								echo unknown ; \
							fi \
							fi \
						fi)
		ASTYPE=$(shell if $(ASPATH) -V 1>/dev/null  2>/dev/null </dev/null; \
						then \
							if $(ASPATH) -V 2>&1 </dev/null |grep GNU >/dev/null; \
							then echo gnu; \
							else \
							if $(ASPATH) -V 2>&1 </dev/null |grep Sun >/dev/null;\
							then echo solaris; \
							else \
								echo unknown ; \
							fi \
							fi \
						fi)
#$(warning "using ld=$(LDPATH)/$(LDTYPE), as=$(ASPATH)/$(ASTYPE)")

endif
endif

# arh. specific definitions
ifeq ($(ARCH), i386)
	use_fast_lock=yes
endif

ifeq ($(ARCH), x86_64)
	use_fast_lock=yes
endif

ifeq ($(ARCH), sparc64)
ifeq 	($(CC_NAME), gcc)
	use_fast_lock=yes
endif
endif

ifeq ($(ARCH), sparc)
	# smp no supported on sparc32
	DEFS+= -DNOSMP 
	use_fast_lock=yes
endif

ifeq ($(ARCH), arm)
	use_fast_lock=yes
endif

ifeq ($(ARCH), ppc)
	use_fast_lock=yes
endif

ifeq ($(ARCH), ppc64)
	use_fast_lock=yes
endif

ifeq ($(ARCH), mips)
# mips1 arch. (e.g. R3000) - no hardware locking support
	use_fast_lock=no
endif

ifeq ($(ARCH), mips2)
# mips2 arch and newer (mips3=R4000, mips4=R5000 a.s.o)
	use_fast_lock=yes
endif

ifeq ($(ARCH), alpha)
	use_fast_lock=yes
endif

ifeq ($(use_fast_lock), yes)
	DEFS+= -DFAST_LOCK -DADAPTIVE_WAIT -DADAPTIVE_WAIT_LOOPS=1024 
	found_lock_method=yes
endif

CFLAGS=$(shell echo "$${CFLAGS}")
LDFLAGS+=

ifeq (,$(CFLAGS))
# setting CFLAGS
ifeq ($(mode), release)

#common stuff
CFLAGS+=$(DEBUGSYM)

#if i386
ifeq	($(ARCH), i386)
	# These CPU optimization assumes that you run a Intel processor.
	# If you use a AMD CPU, you could ajust the settings here for better performance.
	# For gcc 4.x use CPU_TYPE ?= athlon-xp
		# if gcc 
ifeq		($(CC_NAME), gcc)
				#common stuff
				CFLAGS+=-O9 -funroll-loops  -Wcast-align $(PROFILE) \
					-Wall 
			#if gcc 4.0+
ifeq			($(CC_CLASS), 4.x)
					CPU_TYPE ?= prescott
					CFLAGS+=-minline-all-stringops \
							-falign-loops \
							-ftree-vectorize \
							-mtune=$(CPU_TYPE) \
					-Wold-style-definition -Wmissing-field-initializers -Wredundant-decls

else
			#if gcc 3.0+
ifeq			($(CC_CLASS), 3.x)
					CPU_TYPE ?= pentium4
					CFLAGS+=-minline-all-stringops \
							-falign-loops
ifeq				(X,$(shell echo "$(CC_SHORTVER)" | sed -e 's/3\.[0-3]/X/'))
					CFLAGS+=-mcpu=$(CPU_TYPE)
else
					CFLAGS+=-mtune=$(CPU_TYPE)
endif
else
ifeq			($(CC_CLASS), 2.9x) #older gcc version (2.9[1-5])
$(warning 			Old gcc detected ($(CC_SHORTVER)), use  gcc >= 3.1 \
					for better results)

					CFLAGS+=-m486 \
							-malign-loops=4
else
				#really old version
$(warning			You are using an old and unsupported gcc \
					 version  ($(CC_SHORTVER)), compile at your own risk!)

endif			# CC_CLASS, 2.9x
endif			# CC_CLASS, 3.x
endif			# CC_CLASS, 4.x

else		# CC_NAME, gcc
ifeq		($(CC_NAME), icc)
			CFLAGS+=-O3  -ipo -ipo_obj -unroll  $(PROFILE) \
					 -tpp6 -xK  #-openmp  #optimize for PIII 
				# -prefetch doesn't seem to work
				#( ty to inline acroos files, unroll loops,prefetch,
				# optimize for PIII, use PIII instructions & vect.,
				# mutlithread loops)
else		#CC_NAME, icc
ifeq		($(CC_NAME), suncc)
			CFLAGS+=-xO5 -fast -native -xCC \
					-xc99=no_lib # C99 support
			# -Dinline="" # add this if cc < 5.3 (define inline as null)
else
				#other compilers
$(error 			Unsupported compiler ($(CC):$(CC_NAME)), try gcc)
endif		#CC_NAME, suncc
endif		#CC_NAME, icc
endif		#CC_NAME, gcc
endif	#ARCH, i386

#x86_64
ifeq	($(ARCH), x86_64)
	# These CPU optimization assumes that you run a Intel 64 processor.
	# If you use a AMD 64 CPU, you could ajust the settings here for better performance.
	# For gcc 4.x use CPU_TYPE ?= athlon64
	# Perhaps it makes sense to use '-m64' here?
		# if gcc 
ifeq		($(CC_NAME), gcc)
				#common stuff
				CFLAGS+=-O9 -funroll-loops  -Wcast-align $(PROFILE) \
					-Wall 
			#if gcc 4.0+
ifeq			($(CC_CLASS), 4.x)
					CPU_TYPE ?= nocona
					CFLAGS+=-minline-all-stringops \
							-falign-loops \
							-ftree-vectorize \
							-mtune=$(CPU_TYPE) \
					-Wold-style-definition -Wmissing-field-initializers -Wredundant-decls
else
			#if gcc 3.0+
ifeq			($(CC_CLASS), 3.x)
					CPU_TYPE ?= nocona
					CFLAGS+=-minline-all-stringops \
							-falign-loops \
							-mtune=$(CPU_TYPE)
else
ifeq			($(CC_CLASS), 2.9x) #older gcc version (2.9[1-5])
$(warning 			Old gcc detected ($(CC_SHORTVER)), use  gcc >= 3.1 \
					for better results)

					CFLAGS+=-m486 \
							-malign-loops=4
else
				#really old version
$(warning			You are using an old and unsupported gcc \
					 version  ($(CC_SHORTVER)), compile at your own risk!)

endif			# CC_CLASS, 2.9x
endif			# CC_CLASS, 3.x
endif			# CC_CLASS, 4.x

else		# CC_NAME, gcc
ifeq		($(CC_NAME), icc)
			CFLAGS+=-O3 -ipo -ipo_obj -unroll  $(PROFILE) \
					 -tpp6 -xK  #-openmp  #optimize for PIII 
				# -prefetch doesn't seem to work
				#( ty to inline acroos files, unroll loops,prefetch,
				# optimize for PIII, use PIII instructions & vect.,
				# mutlithread loops)
else
				#other compilers
$(error 			Unsupported compiler ($(CC):$(CC_NAME)), try gcc)
endif		#CC_NAME, icc
endif		#CC_NAME, gcc
endif	#ARCH, x86_64

	#if sparc
ifeq	($(ARCH), sparc64)
			#if gcc
ifeq		($(CC_NAME), gcc)
				#common stuff
				CFLAGS+=-O9 -funroll-loops  $(PROFILE) \
					-Wall\
					#-Wcast-align \
					#-Wmissing-prototypes 
				#if gcc 4.x
ifeq			($(CC_CLASS), 4.x)

					# Processors of Family UltraSparc II
					ifeq ($(CHIP), ultrasparc-ii)
						CFLAGS+= -ftree-vectorize -mcpu=ultrasparc -mtune=ultrasparc -mvis 
					endif

					# Processors of Family UltraSparc III (III, III, IIIi, IIICu)
					ifeq ($(CHIP), ultrasparc-iiii)
						CFLAGS+= -ftree-vectorize -mcpu=ultrasparc3 -mtune=ultrasparc3 -mvis
					endif

					ifeq ($(CHIP), ultrasparc-iii)
						CFLAGS+= -ftree-vectorize -mcpu=ultrasparc3 -mtune=ultrasparc3 -mvis
					endif

					ifeq ($(CHIP), ultrasparc-iiicu)
						CFLAGS+= -ftree-vectorize -mcpu=ultrasparc3 -mtune=ultrasparc3 -mvis
					endif

					# Processors of Family UltraSparc T1
					ifeq ($(CHIP), ultrasparc-t1)
						# niagara switch is not supported on GCC < 4.2
						# Sets to default ultrasparc
						ifeq ($(CC_SHORTVER), 4.2)
							CFLAGS+= -ftree-vectorize -mcpu=niagara -mtune=niagara -mvis
						else
							ifeq ($(CC_SHORTVER), 4.3)
								CFLAGS+= -ftree-vectorize -mcpu=niagara -mtune=niagara -mvis
							else
								CFLAGS+= -ftree-vectorize -mcpu=ultrasparc -mtune=ultrasparc -mvis
							endif
						endif
					endif

					# If processor detection fails, defaults to UltraSPARC without VIS
					ifeq (,$(CHIP))
						#CPU_TYPE=ultrasparc
						CFLAGS += -mcpu=ultrasparc -mtune=ultrasparc 
					endif

					# use -m64 to force 64 bit (but add it also to LDFLAGS), 
					# -m32 for 32 bit (default on solaris),
					# nothing for arch. default
					# -mcpu=v9 or ultrasparc? # -mtune implied by -mcpu
					#-mno-epilogue #try to inline function exit code
					#-mflat # omit save/restore
					#-,faster-structs #faster non Sparc ABI structure copy ops

else
				#if gcc 3.0+
ifeq			($(CC_CLASS), 3.x)

					# Processors of Family UltraSparc II
					ifeq ($(CHIP), ultrasparc-ii)
						#CPU_TYPE=ultrasparc
						CFLAGS+= -mcpu=ultrasparc -mtune=ultrasparc -mvis 
					endif

					# Processors of Family UltraSparc III
					ifeq ($(CHIP), ultrasparc-iiii)
						CFLAGS+= -mcpu=ultrasparc3 -mtune=ultrasparc3 -mvis
					endif

					ifeq ($(CHIP), ultrasparc-iiii)
						CFLAGS+= -mcpu=ultrasparc3 -mtune=ultrasparc3 -mvis
					endif

					ifeq ($(CHIP), ultrasparc-iiicu)
						CFLAGS+= -mcpu=ultrasparc3 -mtune=ultrasparc3 -mvis
					endif

					# Processors of Family UltraSparc T1
					ifeq ($(CHIP), ultrasparc-t1)
						# niagara switch is not supported on GCC < 4.2
						# Sets to default ultrasparc
						CFLAGS+= -mcpu=ultrasparc -mtune=ultrasparc -mvis
					endif

					# If processor detection fails, defaults to UltraSPARC without VIS
					ifeq (,$(CHIP))
						#CPU_TYPE=ultrasparc
						CFLAGS += -mcpu=ultrasparc -mtune=ultrasparc 
					endif

					# use -m64 to force 64 bit (but add it also to LDFLAGS), 
					# -m32 for 32 bit (default on solaris),
					# nothing for arch. default
					# -mcpu=v9 or ultrasparc? # -mtune implied by -mcpu
					#-mno-epilogue #try to inline function exit code
					#-mflat # omit save/restore
					#-,faster-structs #faster non Sparc ABI structure copy ops

else			# CC_CLASS, 3.0
ifeq			($(CC_CLASS), 2.9x) #older gcc version (2.9[1-5])
$(warning 			Old gcc detected ($(CC_SHORTVER)), use  gcc >= 3.1 \
					for better results)
ifneq				($(OS), netbsd)
						# on netbsd/sparc64,  gcc 2.95.3 does not compile
						# opensips with -mv8
						CFLAGS+= -mv8 
endif
ifeq					($(ASTYPE), solaris)
							CFLAGS+= -Wa,-xarch=v8plus
endif					
else			#CC_CLASS, 2.9x
				#really old version
$(warning			You are using an old and unsupported gcc \
					 version ($(CC_SHORTVER)), compile at your own risk!)

					CFLAGS+= -mv8 
ifeq					($(ASTYPE), solaris)
							CFLAGS+= -Wa,-xarch=v8plus
endif					

endif			#CC_CLASS, 2.9x
endif			#CC_CLASS, 3.x
endif			#CC_CLASS, 4.x

else		#CC_NAME, gcc
ifeq		($(CC_NAME), suncc)
			CFLAGS+=-xO5 -fast -native -xarch=v8plusa -xCC \
					-xc99=no_lib # C99 support
			# -Dinline="" # add this if cc < 5.3 (define inline as null)
else
				#other compilers
$(error 			Unsupported compiler ($(CC):$(CC_NAME)), try gcc)
endif		#CC_NAME, suncc
endif		#CC_NAME, gcc
endif	#ARCH, sparc64

	#if ipaq/netwinder
ifeq	($(ARCH), arm)
		# if gcc 
ifeq		($(CC_NAME), gcc)
				#common stuff
				CFLAGS+=-O9 -funroll-loops  -Wcast-align $(PROFILE) \
					-Wall   
			#if gcc 4.x+
ifeq			($(CC_CLASS), 4.x)
					CFLAGS+=-mcpu=strongarm1100 -minline-all-stringops \
							-ftree-vectorize
else
			#if gcc 3.0+
ifeq			($(CC_CLASS), 3.x)
					CFLAGS+= -mcpu=strongarm1100
else
ifeq			($(CC_CLASS), 2.9x) #older gcc version (2.9[1-5])
$(warning 			Old gcc detected ($(CC_SHORTVER)), use  gcc 3.0.x \
					for better results)
					
					CFLAGS+=
else
				#really old version
$(warning			You are using an old and unsupported gcc \
					 version ($(CC_SHORTVER)), compile at your own risk!)
	
endif			# CC_CLASS, 2.9x
endif			# CC_CLASS, 3.x
endif			# CC_CLASS, 4.x
	
else		# CC_NAME, gcc
				#other compilers
$(error 			Unsupported compiler ($(CC):$(CC_NAME)), try gcc)
endif		#CC_NAME, gcc
endif	#ARCH, arm 

	#if  mips (R3000)
ifeq	($(ARCH), mips)
		# if gcc 
ifeq		($(CC_NAME), gcc)
				#common stuff
				CFLAGS+=-O9 -funroll-loops  -Wcast-align $(PROFILE) \
					-Wall 
			#if gcc 4.0+
ifeq			($(CC_CLASS), 4.x)
					CFLAGS+=-mcpu=r3000 -minline-all-stringops \
							-ftree-vectorize
else
			#if gcc 3.0+
ifeq			($(CC_CLASS), 3.x)
					CFLAGS+= -mcpu=r3000
							#-mcpu=athlon
else
ifeq			($(CC_CLASS), 2.9x) #older gcc version (2.9[1-5])
$(warning 			Old gcc detected ($(CC_SHORTVER)), use  gcc 3.0.x \
					for better results)

					CFLAGS+=-mcpu=r3000
else
				#really old version
$(warning			You are using an old and unsupported gcc \
					 version ($(CC_SHORTVER)), compile at your own risk!)

endif			# CC_CLASS, 2.9x
endif			# CC_CLASS, 3.x
endif			# CC_CLASS, 4.x

else		# CC_NAME, gcc
				#other compilers
$(error 			Unsupported compiler ($(CC):$(CC_NAME)), try gcc)
endif		#CC_NAME, gcc
endif	#ARCH, mips

	#if  >=mips2 (R4000, R5000, R6000 ....)
ifeq	($(ARCH), mips2)
		# if gcc 
ifeq		($(CC_NAME), gcc)
				#common stuff
				CFLAGS+=-O9 -mips2 -funroll-loops $(PROFILE) \
					-Wall 
			#if gcc 4.0+
ifeq			($(CC_CLASS), 4.x)
					CFLAGS+=-minline-all-stringops -ftree-vectorize
else
			#if gcc 3.0+
ifeq			($(CC_CLASS), 3.x)
					CFLAGS+=
else
ifeq			($(CC_CLASS), 2.9x) #older gcc version (2.9[1-5])
$(warning 			Old gcc detected ($(CC_SHORTVER)), use  gcc 3.0.x \
					for better results)
					CFLAGS+=
else
				#really old version
$(warning			You are using an old and unsupported gcc \
					 version ($(CC_SHORTVER)), compile at your own risk!)

endif			# CC_CLASS, 2.9x
endif			# CC_CLASS, 3.x
endif			# CC_CLASS, 4.x

else		# CC_NAME, gcc
				#other compilers
$(error 			Unsupported compiler ($(CC):$(CC_NAME)), try gcc)
endif		#CC_NAME, gcc
endif	#ARCH, mips2

#if  alpha
ifeq	($(ARCH), alpha)
		# if gcc 
ifeq		($(CC_NAME), gcc)
				#common stuff
				CFLAGS+=-O9 -funroll-loops $(PROFILE)  -Wall 
			#if gcc 4.0+
ifeq			($(CC_CLASS), 4.x)
					CFLAGS+=-minline-all-stringops
else
			#if gcc 3.0+
ifeq			($(CC_CLASS), 3.x)
					CFLAGS+=
else
ifeq			($(CC_CLASS), 2.9x) #older gcc version (2.9[1-5])
$(warning 			Old gcc detected ($(CC_SHORTVER)), use  gcc 3.0.x \
					for better results)
					CFLAGS+=
else
				#really old version
$(warning			You are using an old and unsupported gcc \
					 version ($(CC_SHORTVER)), compile at your own risk!)

endif			# CC_CLASS, 2.9x
endif			# CC_CLASS, 3.x
endif			# CC_CLASS, 4.x

else		# CC_NAME, gcc
				#other compilers
$(error 			Unsupported compiler ($(CC):$(CC_NAME)), try gcc)
endif		#CC_NAME, gcc
endif	#ARCH, alpha 

#if  ppc
ifeq	($(ARCH), ppc)
		# if gcc 
ifeq		($(CC_NAME), gcc)
				#common stuff
				CFLAGS+=-O9 -funroll-loops $(PROFILE)  -Wall 
			#if gcc 4.0+
ifeq			($(CC_CLASS), 4.x)
					CPU_TYPE ?= powerpc
					CFLAGS+=-ftree-vectorize \
							-mtune=$(CPU_TYPE) -maltivec
else
			#if gcc 3.0+
ifeq			($(CC_CLASS), 3.x)
					CFLAGS+=
else
ifeq			($(CC_CLASS), 2.9x) #older gcc version (2.9[1-5])
$(warning 			Old gcc detected ($(CC_SHORTVER)), use  gcc 3.0.x \
					for better results)
					CFLAGS+=
else
				#really old version
$(warning			You are using an old and unsupported gcc \
					 version ($(CC_SHORTVER)), compile at your own risk!)

endif			# CC_CLASS, 2.9x
endif			# CC_CLASS, 3.x
endif			# CC_CLASS, 4.x

else		# CC_NAME, gcc
				#other compilers
$(error 			Unsupported compiler ($(CC):$(CC_NAME)), try gcc)
endif		#CC_NAME, gcc
endif	#ARCH, ppc 

#if  ppc64
ifeq	($(ARCH), ppc64)
		# if gcc 
ifeq		($(CC_NAME), gcc)
				#common stuff
				CFLAGS+=-O9 -funroll-loops $(PROFILE)  -Wall 
ifeq			($(CC_CLASS), 4.x)
					CPU_TYPE ?= powerpc64
					CFLAGS+=-ftree-vectorize \
							-mtune=$(CPU_TYPE) -maltivec
else
			#if gcc 3.0+
ifeq			($(CC_CLASS), 3.x)
					CFLAGS+=
else
ifeq			($(CC_CLASS), 2.9x) #older gcc version (2.9[1-5])
$(warning 			Old gcc detected ($(CC_SHORTVER)), use  gcc 3.0.x \
					for better results)
					CFLAGS+=
else
				#really old version
$(warning			You are using an old and unsupported gcc \
					 version ($(CC_SHORTVER)), compile at your own risk!)
	
endif			# CC_CLASS, 2.9x
endif			# CC_CLASS, 3.x
endif			# CC_CLASS, 4.x
	
else		# CC_NAME, gcc
				#other compilers
$(error 			Unsupported compiler ($(CC):$(CC_NAME)), try gcc)
endif		#CC_NAME, gcc
endif	#ARCH, ppc 

endif   # CFLAGS not set

CFLAGS+= $(CC_EXTRA_OPTS)

LD_EXTRA_OPTS ?=

# setting LDFLAGS
ifeq	($(CC_NAME), gcc)
ifeq		($(LDTYPE), solaris)
		# solaris ld
		LDFLAGS+=-O2 $(PROFILE)
		MOD_LDFLAGS=-G $(LDFLAGS)
else		
		#gcc and maybe others, => gnu ld
		LDFLAGS+=-Wl,-O2 -Wl,-E $(PROFILE) 
		MOD_LDFLAGS=-shared $(LDFLAGS)
endif
endif
ifeq	($(CC_NAME), icc)
	#gcc and maybe others
	LDFLAGS+=-Wl,-O2 -Wl,-E $(PROFILE) 
	MOD_LDFLAGS=-shared $(LDFLAGS)
endif
ifeq	($(CC_NAME), suncc)
	LDFLAGS+=-xO5 $(PROFILE)
	MOD_LDFLAGS=-G $(LDFLAGS)
endif
	# we need -fPIC -DPIC only for shared objects, we don't need them for
	# the executable file, because it's always loaded at a fixed address
	# -andrei
else	#mode,release
ifeq	($(CC_NAME), gcc)
		CFLAGS +=-Wcast-align $(PROFILE)
ifeq		($(ARCH), sparc64)
			CFLAGS+= -mcpu=ultrasparc 
endif
ifeq		($(LDTYPE), solaris)
			#solaris ld
			LDFLAGS+=$(PROFILE)
			MOD_LDFLAGS=-G $(LDFLAGS)
else
			#gnu or other ld type
			LDFLAGS+=-Wl,-E $(PROFILE)
			MOD_LDFLAGS=-shared $(LDFLAGS)
endif
endif
ifeq	($(CC_NAME), icc)
		CFLAGS+= $(PROFILE)
		LDFLAGS+=-Wl,-E $(PROFILE)
		MOD_LDFLAGS=-shared $(LDFLAGS)
endif
ifeq	($(CC_NAME), suncc)
		CFLAGS+=$(PROFILE)
		LDFLAGS+=$(PROFILE)
		MOD_LDFLAGS=-G $(LDFLAGS)
endif

endif #mode=release


#*FLAGS used for compiling the modules
ifeq	($(CC_NAME), gcc)
MOD_CFLAGS=-fPIC -DPIC $(CFLAGS)
endif
ifeq	($(CC_NAME), icc)
MOD_CFLAGS=-Kpic $(CFLAGS)
endif
ifeq	($(CC_NAME), suncc)
#MOD_CFLAGS=-xcode=pic32  $(CFLAGS)
MOD_CFLAGS=-Kpic  $(CFLAGS)
endif

DEFAULT_YACC=bison

# on solaris add -lxnet (e.g. LIBS= -lxnet)
LIBS= -ldl -lresolv

#os specific stuff
ifeq ($(OS), linux)
	DEFS+=-DHAVE_GETHOSTBYNAME2 -DHAVE_UNION_SEMUN -DHAVE_SCHED_YIELD \
			-DHAVE_MSG_NOSIGNAL -DHAVE_MSGHDR_MSG_CONTROL -DHAVE_ALLOCA_H \
			-DHAVE_TIMEGM
	ifneq ($(found_lock_method), yes)
		DEFS+= -DUSE_SYSV_SEM  # try posix sems
		found_lock_method=yes
	endif
	# check for >= 2.5.44
	ifeq ($(shell [ $(OSREL_N) -ge 2005044 ] && echo has_epoll), has_epoll)
		ifeq ($(NO_EPOLL),)
			DEFS+=-DHAVE_EPOLL
			# linux + gcc >= 3.0 + -malign-double + epoll => problems
			CFLAGS:=$(filter-out -malign-double, $(CFLAGS))
		endif
	endif
	# check for >= 2.2.0
	ifeq ($(shell [ $(OSREL_N) -ge 2002000 ] && echo has_sigio), has_sigio)
		ifeq ($(NO_SIGIO),)
			DEFS+=-DHAVE_SIGIO_RT
		endif
	endif
	ifeq ($(NO_SELECT),)
		DEFS+=-DHAVE_SELECT
	endif
endif

ifeq ($(OS), gnu_kfreebsd)
	DEFS+=-DHAVE_GETHOSTBYNAME2 -DHAVE_UNION_SEMUN -DHAVE_SCHED_YIELD \
			-DHAVE_MSG_NOSIGNAL -DHAVE_MSGHDR_MSG_CONTROL -DHAVE_ALLOCA_H \
			-DHAVE_TIMEGM
	ifneq ($(found_lock_method), yes)
		DEFS+= -DUSE_SYSV_SEM  # try posix sems
		found_lock_method=yes
	endif
	# check for ver >= 4.1
	ifeq ($(shell [ $(OSREL_N) -gt 4001 ] && echo has_kqueue), has_kqueue)
		ifeq ($(NO_KQUEUE),)
			DEFS+=-DHAVE_KQUEUE
		endif
	endif
	ifeq ($(NO_SELECT),)
		DEFS+=-DHAVE_SELECT
	endif
endif

ifeq  ($(OS), solaris)
	DEFS+= -DHAVE_GETIPNODEBYNAME -DHAVE_SYS_SOCKIO_H -DHAVE_SCHED_YIELD \
			-DHAVE_ALLOCA_H -DUSE_SIGACTION -D_POSIX_PTHREAD_SEMANTICS
	ifneq ($(found_lock_method), yes)
		DEFS+= -DUSE_PTHREAD_MUTEX  # try pthread sems
		found_lock_method=yes
	endif
	# check for ver >= 5.7
	ifeq ($(shell [ $(OSREL_N) -gt 5007 ] && echo has_devpoll), has_devpoll)
		ifeq ($(NO_DEVPOLL),)
			DEFS+=-DHAVE_DEVPOLL
		endif
	endif
	ifeq ($(NO_SELECT),)
		DEFS+=-DHAVE_SELECT
	endif
	ifeq ($(mode), release)
		#use these only if you're using gcc with Solaris ld
		#LDFLAGS=-O2 $(PROFILE)
		#MOD_LDFLAGS=-O2 -G
	else
		#LDFLAGS=$(PROFILE)
		#MOD_LDFLAGS=-G
	endif
	DEFAULT_YACC=yacc

ifeq ($(CC_NAME), suncc)
	LIBS= -lfast -ldl -lresolv
endif
	OLD_SOLARIS= $(shell echo "$(OSREL)" | \
				sed -e 's/^5\.[0-6][^0-9]*$$/yes/' )
	LIBS+= -L$(LOCALBASE)/lib -lxnet -lnsl 
ifeq	($(OLD_SOLARIS), yes)
		LIBS+=-lposix4
else
		LIBS+=-lrt
endif
	# -lrt needed for sched_yield
endif

ifeq ($(OS), freebsd)
	DEFS+=-DHAVE_SOCKADDR_SA_LEN -DHAVE_GETHOSTBYNAME2 -DHAVE_UNION_SEMUN \
		-DHAVE_SCHED_YIELD -DHAVE_MSGHDR_MSG_CONTROL \
		-DHAVE_CONNECT_ECONNRESET_BUG -DHAVE_TIMEGM \
		-DHAVE_NETINET_IN_SYSTM
	ifneq ($(found_lock_method), yes)
		DEFS+= -DUSE_PTHREAD_MUTEX  # try pthread sems
		found_lock_method=yes
		LIBS= -pthread  #dlopen is in libc
	else
		LIBS=  #dlopen is in libc
	endif
	# check for ver >= 4.1
	ifeq ($(shell [ $(OSREL_N) -gt 4001 ] && echo has_kqueue), has_kqueue)
		ifeq ($(NO_KQUEUE),)
			DEFS+=-DHAVE_KQUEUE
		endif
	endif
	ifeq ($(NO_SELECT),)
		DEFS+=-DHAVE_SELECT
	endif
	DEFAULT_YACC=yacc
endif

ifeq ($(OS), openbsd)
	DEFS+=-DHAVE_SOCKADDR_SA_LEN  -DHAVE_GETHOSTBYNAME2 \
		-DHAVE_UNION_SEMUN -DHAVE_MSGHDR_MSG_CONTROL \
		-DHAVE_CONNECT_ECONNRESET_BUG -DHAVE_TIMEGM
	ifneq ($(found_lock_method), yes)
		DEFS+= -DUSE_PTHREAD_MUTEX  # try pthread sems
		found_lock_method=yes
	endif
	# check for ver >=2 9
	ifeq ($(shell [ $(OSREL_N) -ge 2009 ] && echo has_kqueue), has_kqueue)
		ifeq ($(NO_KQUEUE),)
			DEFS+=-DHAVE_KQUEUE
		endif
	endif
	ifeq ($(NO_SELECT),)
		DEFS+=-DHAVE_SELECT
	endif
	# (symbols on openbsd are prefixed by "_")
	DEFAULT_YACC=yacc
	# no sched_yield on openbsd unless linking with c_r (not recommended)
	LIBS= 
	OPENBSD_IS_AOUT= $(shell echo "$(OSREL)" | \
				sed -e 's/^3\.[0-3][^0-9]*$$/yes/' |sed -e 's/^[0-2]\..*/yes/')
# exception: on sparc openbsd 3.2 is elf and not aout
ifeq ($(OSREL), 3.2)
ifeq	($(ARCH), sparc)
		OPENBSD_IS_AOUT:=no
endif
ifeq	($(ARCH), sparc64)
		OPENBSD_IS_AOUT:=no
endif
endif

ifeq ($(OPENBSD_IS_AOUT), yes)
		DEFS+=-DDLSYM_PREFIX='"_"'
		LDFLAGS=        # openbsd ld doesn't like -O2 or -E
endif
endif   # if openbsd

ifeq ($(OS), netbsd)
	DEFS+=-DHAVE_SOCKADDR_SA_LEN -DHAVE_GETHOSTBYNAME2 \
		-DHAVE_MSGHDR_MSG_CONTROL -DHAVE_CONNECT_ECONNRESET_BUG -DHAVE_TIMEGM
	ifneq ($(found_lock_method), yes)
		DEFS+= -DUSE_SYSV_SEM  # try pthread sems
		found_lock_method=yes
	endif
	# check for ver >= 2.0.0
	ifeq ($(shell [ $(OSREL_N) -ge 2000000 ] && echo has_kqueue), has_kqueue)
		ifeq ($(NO_KQUEUE),)
			DEFS+=-DHAVE_KQUEUE
			# netbsd + kqueue and -malign-double don't work
			CFLAGS:=$(filter-out -malign-double, $(CFLAGS))
		endif
	endif
	ifeq ($(NO_SELECT),)
		DEFS+=-DHAVE_SELECT
	endif
	DEFAULT_YACC=yacc
	LIBS= 
endif

# OS X support, same as freebsd
ifeq ($(OS), darwin)
	DEFS+=-DHAVE_SOCKADDR_SA_LEN -DHAVE_GETHOSTBYNAME2 -DHAVE_UNION_SEMUN \
		-DHAVE_SCHED_YIELD -DHAVE_MSGHDR_MSG_CONTROL \
		-DUSE_ANON_MMAP \
		-DNDEBUG -DHAVE_CONNECT_ECONNRESET_BUG -DHAVE_TIMEGM
	# -DNDEBUG used to turn off assert (assert wants to call
	# eprintf which doesn't seem to be defined in any shared lib
	ifneq ($(found_lock_method), yes)
		DEFS+= -DUSE_PTHREAD_MUTEX  # try pthread sems
		found_lock_method=yes
		LIBS= -pthread -lresolv  #dlopen is in libc
	else
		LIBS= -lresolv  #dlopen is in libc
	endif
	ifeq ($(NO_KQUEUE),)
		DEFS+=-DHAVE_KQUEUE
	endif
	ifeq ($(NO_SELECT),)
		DEFS+=-DHAVE_SELECT
	endif
	LDFLAGS=        # darwin doesn't like -O2 or -E
	MOD_LDFLAGS= -bundle -bundle_loader ../../$(MAIN_NAME)
	DEFAULT_YACC=yacc
endif

ifeq ($(LEX),)
	LEX=flex
endif
ifeq ($(YACC),)
	YACC=$(DEFAULT_YACC)
endif
YACC_FLAGS=-d -b cfg

LDFLAGS+= $(LD_EXTRA_OPTS)

ifneq (,$(findstring CYGWIN, $(OS)))
	#cygwin is the same as common
	ifneq ($(found_lock_method), yes)
		DEFS+= -DUSE_SYSV_SEM  # try sys v sems
		found_lock_method=yes
	endif
endif

#add libssl if needed
ifneq ($(TLS),)
DEFS+= -I$(LOCALBASE)/ssl/include -I$(LOCALBASE)/include -I$(SYSBASE)/include/openssl
LIBS+= -L$(LOCALBASE)/lib -L$(LOCALBASE)/ssl/lib -lssl  -lcrypto
endif

#add libsctp if needed
ifneq ($(SCTP),)
LIBS+= -lsctp
endif

ifneq ($(found_lock_method), yes)
$(warning	No locking method found so far, trying SYS V sems)
		DEFS+= -DUSE_SYSV_SEM  # try sys v sems
		found_lock_method=yes
endif


endif  # ifeq ($(makefile_defs, 1)