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# kern.pre.mk
#
# Unified Makefile for building kernels. This includes all the definitions
# that need to be included before %BEFORE_DEPEND
#
# $FreeBSD$
#
# Can be overridden by makeoptions or /etc/make.conf
KERNEL_KO?= kernel
KERNEL?= kernel
KODIR?= /boot/${KERNEL}
M= ${MACHINE_ARCH}
AWK?= awk
NM?= nm
OBJCOPY?= objcopy
SIZE?= size
COPTFLAGS?=-O -pipe
.if !defined(NO_CPU_COPTFLAGS)
COPTFLAGS+= ${_CPUCFLAGS}
.endif
INCLUDES= -nostdinc -I- ${INCLMAGIC} -I. -I$S -I$S/dev
# This hack lets us use the Intel ACPICA code without spamming a new
# include path into 100+ source files.
INCLUDES+= -I$S/contrib/dev/acpica
# ... and the same for ipfilter
INCLUDES+= -I$S/contrib/ipfilter
COPTS= ${INCLUDES} -D_KERNEL -include opt_global.h
CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS} -fno-common
# XXX LOCORE means "don't declare C stuff" not "for locore.s".
ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
CFLAGS+= -DGPROF -falign-functions=16
.if ${PROFLEVEL} >= 2
CFLAGS+= -DGPROF4 -DGUPROF
# XXX -Wno-inline is to break some warnings.
PROF= -finstrument-functions -Wno-inline
.else
PROF= -pg
.endif
.endif
DEFINED_PROF= ${PROF}
WERROR?= -Werror
# Put configuration-specific C flags last (except for ${PROF}) so that they
# can override the others.
CFLAGS+= ${CONF_CFLAGS}
NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk $< -c ; \
${CC} -c ${CFLAGS} ${PROF} ${.PREFIX}.c
GEN_CFILES= $S/$M/$M/genassym.c
SYSTEM_CFILES= vnode_if.c hints.c env.c config.c
SYSTEM_SFILES= $S/$M/$M/locore.s
SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
SYSTEM_OBJS= locore.o vnode_if.o ${OBJS} hints.o env.o config.o hack.So
SYSTEM_LD= @${LD} ${FMT} -Bdynamic -T $S/conf/ldscript.$M \
-warn-common -export-dynamic -dynamic-linker /red/herring \
-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
${SIZE} ${FMT} ${.TARGET} ; chmod 755 ${.TARGET}
SYSTEM_DEP+= $S/conf/ldscript.$M
# MKMODULESENV is set here so that port makefiles can augment
# them.
MKMODULESENV= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
.if (${KERN_IDENT} == LINT)
MKMODULESENV+= ALL_MODULES=LINT
.endif
.if defined(MODULES_OVERRIDE)
MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}"
.endif
.if defined(DEBUG)
MKMODULESENV+= DEBUG="${DEBUG}" DEBUG_FLAGS="${DEBUG}"
.endif
all: ${KERNEL_KO}
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