kern.pre.mk revision 215988
1284345Ssjg# $FreeBSD: head/sys/conf/kern.pre.mk 215988 2010-11-28 08:09:20Z jmallett $ 2284345Ssjg 3284345Ssjg# Part of a unified Makefile for building kernels. This part contains all 4284345Ssjg# of the definitions that need to be before %BEFORE_DEPEND. 5284345Ssjg 6284345Ssjg.include <bsd.own.mk> 7284345Ssjg 8284345Ssjg# backwards compat option for older systems. 9284345SsjgMACHINE_CPUARCH?=${MACHINE_ARCH:C/mipse[lb]/mips/:C/armeb/arm/:C/powerpc64/powerpc/} 10284345Ssjg 11284345Ssjg# Can be overridden by makeoptions or /etc/make.conf 12284345SsjgKERNEL_KO?= kernel 13284345SsjgKERNEL?= kernel 14284345SsjgKODIR?= /boot/${KERNEL} 15284345SsjgLDSCRIPT_NAME?= ldscript.$M 16LDSCRIPT?= $S/conf/${LDSCRIPT_NAME} 17 18M= ${MACHINE_CPUARCH} 19 20AWK?= awk 21LINT?= lint 22NM?= nm 23OBJCOPY?= objcopy 24SIZE?= size 25 26.if ${CC:T:Micc} == "icc" 27COPTFLAGS?= -O 28.else 29. if defined(DEBUG) 30_MINUS_O= -O 31CTFFLAGS+= -g 32. else 33_MINUS_O= -O2 34. endif 35. if ${MACHINE_CPUARCH} == "amd64" 36COPTFLAGS?=-O2 -frename-registers -pipe 37. else 38COPTFLAGS?=${_MINUS_O} -pipe 39. endif 40. if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing) 41COPTFLAGS+= -fno-strict-aliasing 42. endif 43.endif 44.if !defined(NO_CPU_COPTFLAGS) 45. if ${CC:T:Micc} == "icc" 46COPTFLAGS+= ${_ICC_CPUCFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/} 47. else 48COPTFLAGS+= ${_CPUCFLAGS} 49. endif 50.endif 51.if ${CC:T:Micc} == "icc" 52C_DIALECT= 53NOSTDINC= -X 54.else 55C_DIALECT= -std=c99 56NOSTDINC= -nostdinc 57.endif 58 59INCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S 60 61# This hack lets us use the OpenBSD altq code without spamming a new 62# include path into contrib'ed source files. 63INCLUDES+= -I$S/contrib/altq 64 65.if make(depend) || make(kernel-depend) 66 67# ... and the same for ipfilter 68INCLUDES+= -I$S/contrib/ipfilter 69 70# ... and the same for pf 71INCLUDES+= -I$S/contrib/pf 72 73# ... and the same for ath 74INCLUDES+= -I$S/dev/ath -I$S/dev/ath/ath_hal 75 76# ... and the same for the NgATM stuff 77INCLUDES+= -I$S/contrib/ngatm 78 79# .. and the same for twa 80INCLUDES+= -I$S/dev/twa 81 82# ... and XFS 83INCLUDES+= -I$S/gnu/fs/xfs/FreeBSD -I$S/gnu/fs/xfs/FreeBSD/support -I$S/gnu/fs/xfs 84 85# ... and OpenSolaris 86INCLUDES+= -I$S/contrib/opensolaris/compat 87 88# ... and the same for cxgb 89INCLUDES+= -I$S/dev/cxgb 90 91.endif 92 93CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS} 94CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h 95.if ${CC:T:Micc} != "icc" 96.if ${CC:T:Mclang} != "clang" 97CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT} 98.if ${MACHINE_CPUARCH} != "mips" 99CFLAGS+= --param inline-unit-growth=100 100CFLAGS+= --param large-function-growth=1000 101.else 102# XXX Actually a gross hack just for Octeon because of the Simple Executive. 103CFLAGS+= --param inline-unit-growth=10000 104CFLAGS+= --param large-function-growth=100000 105CFLAGS+= --param max-inline-insns-single=10000 106.endif 107.endif 108WERROR?= -Werror 109.endif 110 111# XXX LOCORE means "don't declare C stuff" not "for locore.s". 112ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS} 113 114.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1 115.if ${CC:T:Micc} == "icc" || ${CC:T:Mclang} == "clang" 116.error "Profiling doesn't work with icc or clang yet" 117.endif 118CFLAGS+= -DGPROF -falign-functions=16 119.if ${PROFLEVEL} >= 2 120CFLAGS+= -DGPROF4 -DGUPROF 121PROF= -pg -mprofiler-epilogue 122.else 123PROF= -pg 124.endif 125.endif 126DEFINED_PROF= ${PROF} 127 128# Put configuration-specific C flags last (except for ${PROF}) so that they 129# can override the others. 130CFLAGS+= ${CONF_CFLAGS} 131 132# Optional linting. This can be overridden in /etc/make.conf. 133LINTFLAGS= ${LINTOBJKERNFLAGS} 134 135NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 136NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC} 137PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC} 138NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 139 140NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \ 141 ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c 142 143NORMAL_CTFCONVERT= [ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \ 144 ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} 145 146NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} 147 148GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/} 149SYSTEM_CFILES= config.c env.c hints.c vnode_if.c 150SYSTEM_DEP= Makefile ${SYSTEM_OBJS} 151SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS} 152SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o} 153SYSTEM_OBJS+= hack.So 154SYSTEM_CTFMERGE= [ -z "${CTFMERGE}" -o -n "${NO_CTF}" ] || ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJS} vers.o 155SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} \ 156 -warn-common -export-dynamic -dynamic-linker /red/herring \ 157 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o 158SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \ 159 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET} 160SYSTEM_DEP+= ${LDSCRIPT} 161 162# MKMODULESENV is set here so that port makefiles can augment 163# them. 164 165MKMODULESENV= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR} 166MKMODULESENV+= MACHINE_CPUARCH=${MACHINE_CPUARCH} 167.if (${KERN_IDENT} == LINT) 168MKMODULESENV+= ALL_MODULES=LINT 169.endif 170.if defined(MODULES_OVERRIDE) 171MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}" 172.endif 173.if defined(DEBUG) 174MKMODULESENV+= DEBUG_FLAGS="${DEBUG}" 175.endif 176