kern.pre.mk revision 130416 
1# $FreeBSD: head/sys/conf/kern.pre.mk 130416 2004-06-13 17:29:10Z mlaier $
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
19.if ${CC} == "icc"
20COPTFLAGS?=-O
21.else
22. if ${MACHINE_ARCH} == "amd64"
23COPTFLAGS?=-O2 -frename-registers -pipe
24. elif ${MACHINE_ARCH} == "ia64"
25COPTFLAGS?=-O2 -pipe
26. elif ${MACHINE_ARCH} == "sparc64"
27COPTFLAGS?=-O2 -pipe
28. else
29COPTFLAGS?=-O -pipe
30. endif
31. if ${COPTFLAGS:M-O[23s]} != ""
32COPTFLAGS+= -fno-strict-aliasing
33. endif
34.endif
35.if !defined(NO_CPU_COPTFLAGS)
36. if ${CC} == "icc"
37COPTFLAGS+= ${_ICC_CPUCFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/}
38. else
39COPTFLAGS+= ${_CPUCFLAGS}
40. endif
41.endif
42.if ${CC} == "icc"
43NOSTDINC= -X
44.else
45NOSTDINC= -nostdinc
46.endif
47
48INCLUDES= ${NOSTDINC} -I- ${INCLMAGIC} -I. -I$S
49
50# This hack lets us use the Intel ACPICA code without spamming a new
51# include path into 100+ source files.
52INCLUDES+= -I$S/contrib/dev/acpica
53
54# ... and the same for altq
55INCLUDES+= -I$S/contrib/altq
56
57# ... and the same for ipfilter
58INCLUDES+= -I$S/contrib/ipfilter
59
60# ... and the same for pf
61INCLUDES+= -I$S/contrib/pf
62
63# ... and the same for Atheros HAL
64INCLUDES+= -I$S/contrib/dev/ath -I$S/contrib/dev/ath/freebsd
65
66# ... and the same for the NgATM stuff
67INCLUDES+= -I$S/contrib/ngatm
68
69COPTS=	${INCLUDES} -D_KERNEL -include opt_global.h
70CFLAGS=	${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
71.if ${CC} != "icc"
72CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
73WERROR?= -Werror
74.endif
75
76# XXX LOCORE means "don't declare C stuff" not "for locore.s".
77ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
78
79.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
80.if ${CC} == "icc"
81.error Profiling doesn't work with ICC yet.
82.else
83CFLAGS+=	-DGPROF -falign-functions=16
84.endif
85.if ${PROFLEVEL} >= 2
86CFLAGS+=	-DGPROF4 -DGUPROF
87. if ${CC} == "icc"
88# XXX doesn't work yet
89#PROF=	-prof_gen
90. else
91PROF=	-finstrument-functions
92. endif
93.else
94. if ${CC} == "icc"
95PROF=	-p
96. else
97PROF=	-pg
98. endif
99.endif
100.endif
101DEFINED_PROF=	${PROF}
102
103# Put configuration-specific C flags last (except for ${PROF}) so that they
104# can override the others.
105CFLAGS+=	${CONF_CFLAGS}
106
107# Optional linting. This can be overridden in /etc/make.conf.
108LINTFLAGS=	${LINTOBJKERNFLAGS}
109
110NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
111NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
112PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
113NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
114
115NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
116	  ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
117
118NORMAL_LINT=	${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
119
120GEN_CFILES= $S/$M/$M/genassym.c
121SYSTEM_CFILES= config.c env.c hints.c majors.c vnode_if.c
122SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
123SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
124SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
125SYSTEM_OBJS+= hack.So
126SYSTEM_LD= @${LD} -Bdynamic -T $S/conf/ldscript.$M \
127	-warn-common -export-dynamic -dynamic-linker /red/herring \
128	-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
129SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
130	${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
131SYSTEM_DEP+= $S/conf/ldscript.$M
132
133# MKMODULESENV is set here so that port makefiles can augment
134# them.
135
136MKMODULESENV=	MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
137.if (${KERN_IDENT} == LINT)
138MKMODULESENV+=	ALL_MODULES=LINT
139.endif
140.if defined(MODULES_OVERRIDE)
141MKMODULESENV+=	MODULES_OVERRIDE="${MODULES_OVERRIDE}"
142.endif
143.if defined(DEBUG)
144MKMODULESENV+=	DEBUG_FLAGS="${DEBUG}"
145.endif
146