1# $FreeBSD$ 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 6SRCCONF?= /etc/src.conf 7.if exists(${SRCCONF}) 8.include "${SRCCONF}" 9.endif 10 11# Can be overridden by makeoptions or /etc/make.conf 12KERNEL_KO?= kernel 13KERNEL?= kernel 14KODIR?= /boot/${KERNEL} 15 16M= ${MACHINE_ARCH} 17 18AWK?= awk 19LINT?= lint 20NM?= nm 21OBJCOPY?= objcopy 22SIZE?= size 23 24.if ${CC} == "icc" 25COPTFLAGS?= -O 26.else 27. if defined(DEBUG) 28_MINUS_O= -O 29. else 30_MINUS_O= -O2 31. endif 32. if ${MACHINE_ARCH} == "amd64" 33COPTFLAGS?=-O2 -frename-registers -pipe 34. else 35COPTFLAGS?=${_MINUS_O} -pipe 36. endif 37. if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing) 38COPTFLAGS+= -fno-strict-aliasing 39. endif 40.endif 41.if !defined(NO_CPU_COPTFLAGS) 42. if ${CC} == "icc" 43COPTFLAGS+= ${_ICC_CPUCFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/} 44. else 45COPTFLAGS+= ${_CPUCFLAGS} 46. endif 47.endif 48.if ${CC} == "icc" 49NOSTDINC= -X 50.else 51C_DIALECT= -std=c99 52NOSTDINC= -nostdinc 53.endif 54 55INCLUDES= ${NOSTDINC} -I- ${INCLMAGIC} -I. -I$S 56 57# This hack lets us use the OpenBSD altq code without spamming a new 58# include path into contrib'ed source files. 59INCLUDES+= -I$S/contrib/altq 60 61# ... and the same for Atheros HAL when the author builds it from 62# non-distributable sources. 63.if defined(ATH_BUILDING_FROM_SOURCE) 64INCLUDES+= -I$S/contrib/dev/ath 65.endif 66 67.if make(depend) || make(kernel-depend) 68 69# ... and the same for ipfilter 70INCLUDES+= -I$S/contrib/ipfilter 71 72# ... and the same for pf 73INCLUDES+= -I$S/contrib/pf 74 75# ... and the same for Atheros HAL 76INCLUDES+= -I$S/contrib/dev/ath/freebsd 77 78# ... and the same for the NgATM stuff 79INCLUDES+= -I$S/contrib/ngatm 80 81# .. and the same for twa 82INCLUDES+= -I$S/dev/twa 83 84# ... and XFS 85INCLUDES+= -I$S/gnu/fs/xfs/FreeBSD -I$S/gnu/fs/xfs/FreeBSD/support -I$S/gnu/fs/xfs 86 87.endif 88 89CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS} 90CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h 91.if ${CC} != "icc" 92CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT} 93CFLAGS+= --param inline-unit-growth=100 94CFLAGS+= --param large-function-growth=1000 95WERROR?= -Werror 96.endif 97 98# XXX LOCORE means "don't declare C stuff" not "for locore.s". 99ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS} 100 101.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1 102.if ${CC} == "icc" 103.error Profiling doesn't work with ICC yet. 104.else 105CFLAGS+= -DGPROF -falign-functions=16 106.endif 107.if ${PROFLEVEL} >= 2 108CFLAGS+= -DGPROF4 -DGUPROF 109. if ${CC} == "icc" 110# XXX doesn't work yet 111#PROF= -prof_gen 112. else 113PROF= -finstrument-functions -Wno-inline 114. endif 115.else 116. if ${CC} == "icc" 117PROF= -p 118. else 119PROF= -pg 120. endif 121.endif 122.endif 123DEFINED_PROF= ${PROF} 124 125# Put configuration-specific C flags last (except for ${PROF}) so that they 126# can override the others. 127CFLAGS+= ${CONF_CFLAGS} 128 129# Optional linting. This can be overridden in /etc/make.conf. 130LINTFLAGS= ${LINTOBJKERNFLAGS} 131 132NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 133NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC} 134PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC} 135NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 136 137NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \ 138 ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c 139 140NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} 141 142GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/} 143SYSTEM_CFILES= config.c env.c hints.c vnode_if.c 144SYSTEM_DEP= Makefile ${SYSTEM_OBJS} 145SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS} 146SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o} 147SYSTEM_OBJS+= hack.So 148SYSTEM_LD= @${LD} -Bdynamic -T $S/conf/ldscript.$M \ 149 -warn-common -export-dynamic -dynamic-linker /red/herring \ 150 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o 151SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \ 152 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET} 153SYSTEM_DEP+= $S/conf/ldscript.$M 154 155# MKMODULESENV is set here so that port makefiles can augment 156# them. 157 158MKMODULESENV= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR} 159.if (${KERN_IDENT} == LINT) 160MKMODULESENV+= ALL_MODULES=LINT 161.endif 162.if defined(MODULES_OVERRIDE) 163MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}" 164.endif 165.if defined(DEBUG) 166MKMODULESENV+= DEBUG_FLAGS="${DEBUG}" 167.endif 168