kern.pre.mk revision 105489 
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: head/sys/conf/kern.pre.mk 105489 2002-10-19 22:24:43Z mux $
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
17NM?=		nm
18OBJCOPY?=	objcopy
19SIZE?=		size
20
21COPTFLAGS?=-O -pipe
22.if !defined(NO_CPU_COPTFLAGS)
23COPTFLAGS+= ${_CPUCFLAGS}
24.endif
25INCLUDES= -nostdinc -I- ${INCLMAGIC} -I. -I$S -I$S/dev
26
27# This hack lets us use the Intel ACPICA code without spamming a new 
28# include path into 100+ source files.
29INCLUDES+= -I$S/contrib/dev/acpica
30
31# ... and the same for ipfilter
32INCLUDES+= -I$S/contrib/ipfilter
33
34COPTS=	${INCLUDES} -D_KERNEL -include opt_global.h
35CFLAGS=	${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS} -fno-common
36
37# XXX LOCORE means "don't declare C stuff" not "for locore.s".
38ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
39
40.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
41CFLAGS+=	-DGPROF -falign-functions=16
42.if ${PROFLEVEL} >= 2
43CFLAGS+=	-DGPROF4 -DGUPROF
44# XXX -Wno-inline is to break some warnings.
45PROF=	-finstrument-functions -Wno-inline
46.else
47PROF=	-pg
48.endif
49.endif
50DEFINED_PROF=	${PROF}
51WERROR?=	-Werror
52
53# Put configuration-specific C flags last (except for ${PROF}) so that they
54# can override the others.
55CFLAGS+=	${CONF_CFLAGS}
56
57NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
58NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
59PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
60NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
61
62NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
63	  ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
64
65GEN_CFILES= $S/$M/$M/genassym.c
66SYSTEM_CFILES= vnode_if.c hints.c env.c config.c
67SYSTEM_SFILES= $S/$M/$M/locore.s
68SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
69SYSTEM_OBJS= locore.o vnode_if.o ${OBJS} hints.o env.o config.o hack.So
70SYSTEM_LD= @${LD} ${FMT} -Bdynamic -T $S/conf/ldscript.$M \
71	-warn-common -export-dynamic -dynamic-linker /red/herring \
72	-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
73SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
74	${SIZE} ${FMT} ${.TARGET} ; chmod 755 ${.TARGET}
75SYSTEM_DEP+= $S/conf/ldscript.$M
76
77# MKMODULESENV is set here so that port makefiles can augment
78# them.
79
80MKMODULESENV=	MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
81.if (${KERN_IDENT} == LINT)
82MKMODULESENV+=	ALL_MODULES=LINT
83.endif
84.if defined(MODULES_OVERRIDE)
85MKMODULESENV+=	MODULES_OVERRIDE="${MODULES_OVERRIDE}"
86.endif
87.if defined(DEBUG)
88MKMODULESENV+=	DEBUG="${DEBUG}" DEBUG_FLAGS="${DEBUG}"
89.endif
90
91all:	${KERNEL_KO}
92