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" 49C_DIALECT= 50NOSTDINC= -X 51.else 52C_DIALECT= -std=c99 53NOSTDINC= -nostdinc 54.endif 55 56INCLUDES= ${NOSTDINC} -I- ${INCLMAGIC} -I. -I$S 57 58# This hack lets us use the OpenBSD altq code without spamming a new 59# include path into contrib'ed source files. 60INCLUDES+= -I$S/contrib/altq 61 62.if make(depend) || make(kernel-depend) 63 64# ... and the same for ipfilter 65INCLUDES+= -I$S/contrib/ipfilter 66 67# ... and the same for pf 68INCLUDES+= -I$S/contrib/pf 69 70# ... and the same for Atheros HAL 71INCLUDES+= -I$S/dev/ath 72 73# ... and the same for the NgATM stuff 74INCLUDES+= -I$S/contrib/ngatm 75 76# .. and the same for twa 77INCLUDES+= -I$S/dev/twa 78 79# ... and XFS 80INCLUDES+= -I$S/gnu/fs/xfs/FreeBSD -I$S/gnu/fs/xfs/FreeBSD/support -I$S/gnu/fs/xfs 81 82.endif 83 84CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS} 85CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h 86.if ${CC} != "icc" 87CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT} 88CFLAGS+= --param inline-unit-growth=100 89CFLAGS+= --param large-function-growth=1000 90WERROR?= -Werror 91.endif 92 93# XXX LOCORE means "don't declare C stuff" not "for locore.s". 94ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS} 95 96.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1 97.if ${CC} == "icc" 98.error "Profiling doesn't work with icc yet" 99.endif 100CFLAGS+= -DGPROF -falign-functions=16 101.if ${PROFLEVEL} >= 2 102CFLAGS+= -DGPROF4 -DGUPROF 103PROF= -pg -mprofiler-epilogue 104.else 105PROF= -pg 106.endif 107.endif 108DEFINED_PROF= ${PROF} 109 110# Put configuration-specific C flags last (except for ${PROF}) so that they 111# can override the others. 112CFLAGS+= ${CONF_CFLAGS} 113 114# Optional linting. This can be overridden in /etc/make.conf. 115LINTFLAGS= ${LINTOBJKERNFLAGS} 116 117NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 118NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC} 119PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC} 120NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 121 122NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \ 123 ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c 124 125NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} 126 127GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/} 128SYSTEM_CFILES= config.c env.c hints.c vnode_if.c 129SYSTEM_DEP= Makefile ${SYSTEM_OBJS} 130SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS} 131SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o} 132SYSTEM_OBJS+= hack.So 133SYSTEM_LD= @${LD} -Bdynamic -T $S/conf/ldscript.$M \ 134 -warn-common -export-dynamic -dynamic-linker /red/herring \ 135 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o 136SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \ 137 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET} 138SYSTEM_DEP+= $S/conf/ldscript.$M 139 140# MKMODULESENV is set here so that port makefiles can augment 141# them. 142 143MKMODULESENV= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR} 144.if (${KERN_IDENT} == LINT) 145MKMODULESENV+= ALL_MODULES=LINT 146.endif 147.if defined(MODULES_OVERRIDE) 148MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}" 149.endif 150.if defined(DEBUG) 151MKMODULESENV+= DEBUG_FLAGS="${DEBUG}" 152.endif 153