3 # Part of a unified Makefile for building kernels. This part contains all
4 # of the definitions that need to be before %BEFORE_DEPEND.
6 SRCCONF?= /etc/src.conf
11 # Can be overridden by makeoptions or /etc/make.conf
14 KODIR?= /boot/${KERNEL}
15 LDSCRIPT_NAME?= ldscript.$M
16 LDSCRIPT?= $S/conf/${LDSCRIPT_NAME}
34 . if ${MACHINE_ARCH} == "amd64"
35 COPTFLAGS?=-O2 -frename-registers -pipe
37 COPTFLAGS?=${_MINUS_O} -pipe
39 . if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing)
40 COPTFLAGS+= -fno-strict-aliasing
43 .if !defined(NO_CPU_COPTFLAGS)
45 COPTFLAGS+= ${_ICC_CPUCFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/}
47 COPTFLAGS+= ${_CPUCFLAGS}
58 INCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S
60 # This hack lets us use the OpenBSD altq code without spamming a new
61 # include path into contrib'ed source files.
62 INCLUDES+= -I$S/contrib/altq
64 .if make(depend) || make(kernel-depend)
66 # ... and the same for ipfilter
67 INCLUDES+= -I$S/contrib/ipfilter
69 # ... and the same for pf
70 INCLUDES+= -I$S/contrib/pf
72 # ... and the same for Atheros HAL
73 INCLUDES+= -I$S/dev/ath
75 # ... and the same for the NgATM stuff
76 INCLUDES+= -I$S/contrib/ngatm
78 # .. and the same for twa
79 INCLUDES+= -I$S/dev/twa
82 INCLUDES+= -I$S/gnu/fs/xfs/FreeBSD -I$S/gnu/fs/xfs/FreeBSD/support -I$S/gnu/fs/xfs
86 CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS}
87 CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
89 CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
90 CFLAGS+= --param inline-unit-growth=100
91 CFLAGS+= --param large-function-growth=1000
95 # XXX LOCORE means "don't declare C stuff" not "for locore.s".
96 ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
98 .if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
100 .error "Profiling doesn't work with icc yet"
102 CFLAGS+= -DGPROF -falign-functions=16
103 .if ${PROFLEVEL} >= 2
104 CFLAGS+= -DGPROF4 -DGUPROF
105 PROF= -pg -mprofiler-epilogue
110 DEFINED_PROF= ${PROF}
112 # Put configuration-specific C flags last (except for ${PROF}) so that they
113 # can override the others.
114 CFLAGS+= ${CONF_CFLAGS}
116 # Optional linting. This can be overridden in /etc/make.conf.
117 LINTFLAGS= ${LINTOBJKERNFLAGS}
119 NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
120 NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
121 PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
122 NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
124 NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
125 ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
127 NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
129 GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/}
130 SYSTEM_CFILES= config.c env.c hints.c vnode_if.c
131 SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
132 SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
133 SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
134 SYSTEM_OBJS+= hack.So
135 SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} \
136 -warn-common -export-dynamic -dynamic-linker /red/herring \
137 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
138 SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
139 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
140 SYSTEM_DEP+= ${LDSCRIPT}
142 # MKMODULESENV is set here so that port makefiles can augment
145 MKMODULESENV= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
146 .if (${KERN_IDENT} == LINT)
147 MKMODULESENV+= ALL_MODULES=LINT
149 .if defined(MODULES_OVERRIDE)
150 MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}"
153 MKMODULESENV+= DEBUG_FLAGS="${DEBUG}"