kern.pre.mk revision 125772 
1# $FreeBSD: head/sys/conf/kern.pre.mk 125772 2004-02-13 10:40:54Z ru $
2
3# Part of a unified Makefile for building kernels.  This part contains all
4# of the definitions that need to be before %BEFORE_DEPEND.
5
6# Can be overridden by makeoptions or /etc/make.conf
7KERNEL_KO?=	kernel
8KERNEL?=	kernel
9KODIR?=		/boot/${KERNEL}
10
11M=	${MACHINE_ARCH}
12
13AWK?=		awk
14LINT?=		lint
15NM?=		nm
16OBJCOPY?=	objcopy
17SIZE?=		size
18
19COPTFLAGS?=-O -pipe
20.if ${COPTFLAGS:M-O[23s]} != ""
21COPTFLAGS+= -fno-strict-aliasing
22.endif
23.if !defined(NO_CPU_COPTFLAGS)
24COPTFLAGS+= ${_CPUCFLAGS}
25.endif
26INCLUDES= -nostdinc -I- ${INCLMAGIC} -I. -I$S
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
38# ... and the same for the NgATM stuff
39INCLUDES+= -I$S/contrib/ngatm
40
41COPTS=	${INCLUDES} -D_KERNEL -include opt_global.h
42CFLAGS=	${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
43CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
44WERROR?= -Werror
45
46# XXX LOCORE means "don't declare C stuff" not "for locore.s".
47ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
48
49.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
50CFLAGS+=	-DGPROF -falign-functions=16
51.if ${PROFLEVEL} >= 2
52CFLAGS+=	-DGPROF4 -DGUPROF
53PROF=	-finstrument-functions
54.else
55PROF=	-pg
56.endif
57.endif
58DEFINED_PROF=	${PROF}
59
60# Put configuration-specific C flags last (except for ${PROF}) so that they
61# can override the others.
62CFLAGS+=	${CONF_CFLAGS}
63
64# Optional linting. This can be overridden in /etc/make.conf.
65LINTFLAGS=	${LINTOBJKERNFLAGS}
66
67NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
68NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
69PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
70NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
71
72NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
73	  ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
74
75NORMAL_LINT=	${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
76
77GEN_CFILES= $S/$M/$M/genassym.c
78SYSTEM_CFILES= config.c env.c hints.c majors.c vnode_if.c
79SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
80SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
81SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
82SYSTEM_OBJS+= hack.So
83SYSTEM_LD= @${LD} -Bdynamic -T $S/conf/ldscript.$M \
84	-warn-common -export-dynamic -dynamic-linker /red/herring \
85	-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
86SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
87	${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
88SYSTEM_DEP+= $S/conf/ldscript.$M
89
90# MKMODULESENV is set here so that port makefiles can augment
91# them.
92
93MKMODULESENV=	MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
94.if (${KERN_IDENT} == LINT)
95MKMODULESENV+=	ALL_MODULES=LINT
96.endif
97.if defined(MODULES_OVERRIDE)
98MKMODULESENV+=	MODULES_OVERRIDE="${MODULES_OVERRIDE}"
99.endif
100.if defined(DEBUG)
101MKMODULESENV+=	DEBUG_FLAGS="${DEBUG}"
102.endif
103