1# kern.pre.mk 2# 3# Unified Makefile for building kernels. 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 16AWK?= awk 17LINT?= lint 18NM?= nm 19OBJCOPY?= objcopy 20SIZE?= size 21 22COPTFLAGS?=-O -pipe 23.if !defined(NO_CPU_COPTFLAGS) 24COPTFLAGS+= ${_CPUCFLAGS} 25.endif 26INCLUDES= -nostdinc -I- ${INCLMAGIC} -I. -I$S -I$S/dev 27 28# This hack lets us use the Intel ACPICA code without spamming a new 29# include path into 100+ source files. 30INCLUDES+= -I$S/contrib/dev/acpica 31 32# ... and the same for ipfilter 33INCLUDES+= -I$S/contrib/ipfilter 34 35# ... and the same for Atheros HAL 36INCLUDES+= -I$S/contrib/dev/ath -I$S/contrib/dev/ath/freebsd 37 38COPTS= ${INCLUDES} -D_KERNEL -include opt_global.h 39CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS} -fno-common 40 41# XXX LOCORE means "don't declare C stuff" not "for locore.s". 42ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS} 43 44.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1 45CFLAGS+= -DGPROF -falign-functions=16 46.if ${PROFLEVEL} >= 2 47CFLAGS+= -DGPROF4 -DGUPROF 48# XXX -Wno-inline is to break some warnings. 49PROF= -finstrument-functions -Wno-inline 50.else 51PROF= -pg 52.endif 53.endif 54DEFINED_PROF= ${PROF} 55WERROR?= -Werror 56 57# Put configuration-specific C flags last (except for ${PROF}) so that they 58# can override the others. 59CFLAGS+= ${CONF_CFLAGS} 60 61# Optional linting. This can be overridden in /etc/make.conf. 62LINTFLAGS= ${LINTOBJKERNFLAGS} 63 64NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 65NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC} 66PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC} 67NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 68 69NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \ 70 ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c 71 72NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} 73 74GEN_CFILES= $S/$M/$M/genassym.c 75SYSTEM_CFILES= config.c env.c hints.c majors.c vnode_if.c 76SYSTEM_DEP= Makefile ${SYSTEM_OBJS} 77SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS} 78SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o} 79SYSTEM_OBJS+= hack.So 80SYSTEM_LD= @${LD} ${FMT} -Bdynamic -T $S/conf/ldscript.$M \ 81 -warn-common -export-dynamic -dynamic-linker /red/herring \ 82 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o 83SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \ 84 ${SIZE} ${FMT} ${.TARGET} ; chmod 755 ${.TARGET} 85SYSTEM_DEP+= $S/conf/ldscript.$M 86 87# MKMODULESENV is set here so that port makefiles can augment 88# them. 89 90MKMODULESENV= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR} 91.if (${KERN_IDENT} == LINT) 92MKMODULESENV+= ALL_MODULES=LINT 93.endif 94.if defined(MODULES_OVERRIDE) 95MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}" 96.endif 97.if defined(DEBUG) 98MKMODULESENV+= DEBUG="${DEBUG}" DEBUG_FLAGS="${DEBUG}" 99.endif 100