Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/conf/kern.pre.mk
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1 # $FreeBSD: src/sys/conf/kern.pre.mk,v 1.56.2.2 2005/05/04 19:26:28 vkashyap Exp $ 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 7 KERNEL_KO?= kernel 8 KERNEL?= kernel 9 KODIR?= /boot/${KERNEL} 10 11 M= ${MACHINE_ARCH} 12 13 AWK?= awk 14 LINT?= lint 15 NM?= nm 16 OBJCOPY?= objcopy 17 SIZE?= size 18 19 .if ${CC} == "icc" 20 COPTFLAGS?=-O 21 .else 22 . if ${MACHINE_ARCH} == "amd64" 23 COPTFLAGS?=-O2 -frename-registers -pipe 24 . elif ${MACHINE_ARCH} == "ia64" 25 COPTFLAGS?=-O2 -pipe 26 . elif ${MACHINE_ARCH} == "sparc64" 27 COPTFLAGS?=-O2 -pipe 28 . else 29 COPTFLAGS?=-O -pipe 30 . endif 31 . if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing) 32 COPTFLAGS+= -fno-strict-aliasing 33 . endif 34 .endif 35 .if !defined(NO_CPU_COPTFLAGS) 36 . if ${CC} == "icc" 37 COPTFLAGS+= ${_ICC_CPUCFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/} 38 . else 39 COPTFLAGS+= ${_CPUCFLAGS} 40 . endif 41 .endif 42 .if ${CC} == "icc" 43 NOSTDINC= -X 44 .else 45 NOSTDINC= -nostdinc 46 .endif 47 48 INCLUDES= ${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. 52 INCLUDES+= -I$S/contrib/dev/acpica 53 54 # ... and the same for altq 55 INCLUDES+= -I$S/contrib/altq 56 57 # ... and the same for ipfilter 58 INCLUDES+= -I$S/contrib/ipfilter 59 60 # ... and the same for pf 61 INCLUDES+= -I$S/contrib/pf 62 63 # ... and the same for Atheros HAL 64 INCLUDES+= -I$S/contrib/dev/ath -I$S/contrib/dev/ath/freebsd 65 66 # ... and the same for the NgATM stuff 67 INCLUDES+= -I$S/contrib/ngatm 68 69 # ... and the same for twa 70 INCLUDES+= -I$S/dev/twa 71 72 CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} 73 CFLAGS+= ${INCLUDES} -D_KERNEL -include opt_global.h 74 .if ${CC} != "icc" 75 CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT} 76 CFLAGS+= --param inline-unit-growth=100 77 CFLAGS+= --param large-function-growth=1000 78 WERROR?= -Werror 79 .endif 80 81 # XXX LOCORE means "don't declare C stuff" not "for locore.s". 82 ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS} 83 84 .if defined(PROFLEVEL) && ${PROFLEVEL} >= 1 85 .if ${CC} == "icc" 86 .error Profiling doesn't work with ICC yet. 87 .else 88 CFLAGS+= -DGPROF -falign-functions=16 89 .endif 90 .if ${PROFLEVEL} >= 2 91 CFLAGS+= -DGPROF4 -DGUPROF 92 . if ${CC} == "icc" 93 # XXX doesn't work yet 94 #PROF= -prof_gen 95 . else 96 PROF= -finstrument-functions -Wno-inline 97 . endif 98 .else 99 . if ${CC} == "icc" 100 PROF= -p 101 . else 102 PROF= -pg 103 . endif 104 .endif 105 .endif 106 DEFINED_PROF= ${PROF} 107 108 # Put configuration-specific C flags last (except for ${PROF}) so that they 109 # can override the others. 110 CFLAGS+= ${CONF_CFLAGS} 111 112 # Optional linting. This can be overridden in /etc/make.conf. 113 LINTFLAGS= ${LINTOBJKERNFLAGS} 114 115 NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 116 NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC} 117 PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC} 118 NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 119 120 NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \ 121 ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c 122 123 NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} 124 125 GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/} 126 SYSTEM_CFILES= config.c env.c hints.c majors.c vnode_if.c 127 SYSTEM_DEP= Makefile ${SYSTEM_OBJS} 128 SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS} 129 SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o} 130 SYSTEM_OBJS+= hack.So 131 SYSTEM_LD= @${LD} -Bdynamic -T $S/conf/ldscript.$M \ 132 -warn-common -export-dynamic -dynamic-linker /red/herring \ 133 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o 134 SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \ 135 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET} 136 SYSTEM_DEP+= $S/conf/ldscript.$M 137 138 # MKMODULESENV is set here so that port makefiles can augment 139 # them. 140 141 MKMODULESENV= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR} 142 .if (${KERN_IDENT} == LINT) 143 MKMODULESENV+= ALL_MODULES=LINT 144 .endif 145 .if defined(MODULES_OVERRIDE) 146 MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}" 147 .endif 148 .if defined(DEBUG) 149 MKMODULESENV+= DEBUG_FLAGS="${DEBUG}" 150 .endif
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