1# kern.pre.mk 2# 3# Unified Makefile for building kenrels. This includes all the definitions 4# that need to be included before %BEFORE_DEPEND 5# 6# $FreeBSD$ 7# 8 9# Can be overridden by makeoptions or /etc/make.conf 10KERNEL_KO?= kernel 11KERNEL?= kernel 12KODIR?= /boot/${KERNEL} 13 14M= ${MACHINE_ARCH} 15 16NM?= nm 17OBJCOPY?= objcopy 18SIZE?= size 19 20COPTFLAGS?=-O -pipe 21.if !defined(NO_CPU_COPTFLAGS) 22COPTFLAGS+= ${_CPUCFLAGS} 23.endif 24INCLUDES= -nostdinc -I- ${INCLMAGIC} -I. -I$S -I$S/dev 25 26# This hack lets us use the Intel ACPICA code without spamming a new 27# include path into 100+ source files. 28INCLUDES+= -I$S/contrib/dev/acpica 29 30# ... and the same for ipfilter 31INCLUDES+= -I$S/contrib/ipfilter 32 33# This hack is to allow kernel compiles to succeed on machines w/out srcdist 34.if exists($S/../include) 35INCLUDES+= -I$S/../include 36.else 37INCLUDES+= -I/usr/include 38.endif 39 40COPTS= ${INCLUDES} ${IDENT} -D_KERNEL -include opt_global.h 41CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS} 42 43# XXX LOCORE means "don't declare C stuff" not "for locore.s". 44ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS} 45 46# Select the correct set of tools. Can't set OBJFORMAT here because it 47# doesn't get exported into the environment, and if it were exported 48# then it might break building of utilities. 49FMT?= -elf 50CFLAGS+= ${FMT} 51 52DEFINED_PROF= ${PROF} 53.if defined(PROF) 54CFLAGS+= -malign-functions=4 55.if ${PROFLEVEL} >= 2 56IDENT+= -DGPROF4 -DGUPROF 57PROF+= -mprofiler-epilogue 58.endif 59.endif 60 61# Put configuration-specific C flags last (except for ${PROF}) so that they 62# can override the others. 63CFLAGS+= ${CONF_CFLAGS} 64 65NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 66NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 67NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${.IMPSRC} 68PROFILE_C= ${CC} -c ${CFLAGS} ${.IMPSRC} 69 70NORMAL_M= perl5 $S/kern/makeobjops.pl -c $<; \ 71 ${CC} -c ${CFLAGS} ${PROF} ${.PREFIX}.c 72 73GEN_CFILES= $S/$M/$M/genassym.c 74SYSTEM_CFILES= vnode_if.c hints.c env.c config.c 75SYSTEM_SFILES= $S/$M/$M/locore.s 76SYSTEM_DEP= Makefile ${SYSTEM_OBJS} 77SYSTEM_OBJS= locore.o vnode_if.o ${OBJS} hints.o env.o config.o hack.So 78SYSTEM_LD= @${LD} ${FMT} -Bdynamic -T $S/conf/ldscript.$M \ 79 -export-dynamic -dynamic-linker /red/herring \ 80 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o 81SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \ 82 ${SIZE} ${FMT} ${.TARGET} ; chmod 755 ${.TARGET} 83SYSTEM_DEP+= $S/conf/ldscript.$M 84 85all: ${KERNEL_KO} 86