kern.pre.mk revision 179226 
1114328Smarkm# $FreeBSD: head/sys/conf/kern.pre.mk 179226 2008-05-23 03:53:49Z jb $
2114328Smarkm
3114328Smarkm# Part of a unified Makefile for building kernels.  This part contains all
4114328Smarkm# of the definitions that need to be before %BEFORE_DEPEND.
5114328Smarkm
6114328SmarkmSRCCONF?=	/etc/src.conf
7273188Shrs.if exists(${SRCCONF})
8273188Shrs.include "${SRCCONF}"
9114328Smarkm.endif
10114328Smarkm
11114328Smarkm# Can be overridden by makeoptions or /etc/make.conf
12273188ShrsKERNEL_KO?=	kernel
13273188ShrsKERNEL?=	kernel
14273188ShrsKODIR?=		/boot/${KERNEL}
15273188ShrsLDSCRIPT_NAME?=	ldscript.$M
16273188ShrsLDSCRIPT?=	$S/conf/${LDSCRIPT_NAME}
17273188Shrs
18273188ShrsM=	${MACHINE_ARCH}
19273188Shrs
20273188ShrsAWK?=		awk
21273188ShrsLINT?=		lint
22273188ShrsNM?=		nm
23273188ShrsOBJCOPY?=	objcopy
24273188ShrsSIZE?=		size
25273188Shrs
26273188Shrs.if ${CC} == "icc"
27114328SmarkmCOPTFLAGS?=	-O
28114328Smarkm.else
29. if defined(DEBUG)
30_MINUS_O=	-O
31. else
32_MINUS_O=	-O2
33. endif
34. if ${MACHINE_ARCH} == "amd64"
35COPTFLAGS?=-O2 -frename-registers -pipe
36. elif ${MACHINE_ARCH} == "sparc64"
37COPTFLAGS?=-pipe
38. else
39COPTFLAGS?=${_MINUS_O} -pipe
40. endif
41. if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing)
42COPTFLAGS+= -fno-strict-aliasing
43. endif
44.endif
45.if !defined(NO_CPU_COPTFLAGS)
46. if ${CC} == "icc"
47COPTFLAGS+= ${_ICC_CPUCFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/}
48. else
49COPTFLAGS+= ${_CPUCFLAGS}
50. endif
51.endif
52.if ${CC} == "icc"
53C_DIALECT=
54NOSTDINC= -X
55.else
56C_DIALECT= -std=c99
57NOSTDINC= -nostdinc
58.endif
59
60INCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S
61
62# This hack lets us use the OpenBSD altq code without spamming a new
63# include path into contrib'ed source files.
64INCLUDES+= -I$S/contrib/altq
65
66.if make(depend) || make(kernel-depend)
67
68# ... and the same for ipfilter
69INCLUDES+= -I$S/contrib/ipfilter
70
71# ... and the same for pf
72INCLUDES+= -I$S/contrib/pf
73
74# ... and the same for Atheros HAL
75INCLUDES+= -I$S/dev/ath
76
77# ... and the same for the NgATM stuff
78INCLUDES+= -I$S/contrib/ngatm
79
80# .. and the same for twa
81INCLUDES+= -I$S/dev/twa
82
83# ...  and XFS
84INCLUDES+= -I$S/gnu/fs/xfs/FreeBSD -I$S/gnu/fs/xfs/FreeBSD/support -I$S/gnu/fs/xfs
85
86# ...  and OpenSolaris
87INCLUDES+= -I$S/contrib/opensolaris/compat
88
89.endif
90
91CFLAGS=	${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS}
92CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
93.if ${CC} != "icc"
94CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
95CFLAGS+= --param inline-unit-growth=100
96CFLAGS+= --param large-function-growth=1000
97WERROR?= -Werror
98.endif
99
100# XXX LOCORE means "don't declare C stuff" not "for locore.s".
101ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
102
103.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
104.if ${CC} == "icc"
105.error "Profiling doesn't work with icc yet"
106.endif
107CFLAGS+=	-DGPROF -falign-functions=16
108.if ${PROFLEVEL} >= 2
109CFLAGS+=	-DGPROF4 -DGUPROF
110PROF=	-pg -mprofiler-epilogue
111.else
112PROF=	-pg
113.endif
114.endif
115DEFINED_PROF=	${PROF}
116
117# Put configuration-specific C flags last (except for ${PROF}) so that they
118# can override the others.
119CFLAGS+=	${CONF_CFLAGS}
120
121# Optional linting. This can be overridden in /etc/make.conf.
122LINTFLAGS=	${LINTOBJKERNFLAGS}
123
124NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
125NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
126PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
127NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
128
129NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
130	  ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
131
132.if defined(CTFCONVERT)
133NORMAL_CTFCONVERT= ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
134.else
135NORMAL_CTFCONVERT=
136.endif
137
138NORMAL_LINT=	${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
139
140GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/}
141SYSTEM_CFILES= config.c env.c hints.c vnode_if.c
142SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
143SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
144SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
145SYSTEM_OBJS+= hack.So
146.if defined(CTFMERGE)
147SYSTEM_CTFMERGE= ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJS} vers.o
148LD+= -g
149.endif
150SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} \
151	-warn-common -export-dynamic -dynamic-linker /red/herring \
152	-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
153SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
154	${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
155SYSTEM_DEP+= ${LDSCRIPT}
156
157# MKMODULESENV is set here so that port makefiles can augment
158# them.
159
160MKMODULESENV=	MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
161.if (${KERN_IDENT} == LINT)
162MKMODULESENV+=	ALL_MODULES=LINT
163.endif
164.if defined(MODULES_OVERRIDE)
165MKMODULESENV+=	MODULES_OVERRIDE="${MODULES_OVERRIDE}"
166.endif
167.if defined(DEBUG)
168MKMODULESENV+=	DEBUG_FLAGS="${DEBUG}"
169.endif
170