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 6.include <bsd.own.mk> 7 8# Can be overridden by makeoptions or /etc/make.conf 9KERNEL_KO?= kernel 10KERNEL?= kernel 11KODIR?= /boot/${KERNEL} 12LDSCRIPT_NAME?= ldscript.$M 13LDSCRIPT?= $S/conf/${LDSCRIPT_NAME} 14 15M= ${MACHINE_ARCH} 16 17AWK?= awk 18LINT?= lint 19NM?= nm 20OBJCOPY?= objcopy 21SIZE?= size 22 23.if ${CC} == "icc" 24COPTFLAGS?= -O 25.else 26. if defined(DEBUG) 27_MINUS_O= -O 28CTFFLAGS+= -g 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} ${INCLMAGIC} -I. -I$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$S/contrib/pf 69 70# ... and the same for ath 71INCLUDES+= -I$S/dev/ath -I$S/dev/ath/ath_hal 72 73# ... and the same for the NgATM stuff 74INCLUDES+= -I$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# ... and OpenSolaris 83INCLUDES+= -I$S/contrib/opensolaris/compat 84 85# ... and the same for cxgb 86INCLUDES+= -I$S/dev/cxgb 87 88.endif 89 90CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS} 91CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h 92.if ${CC} != "icc" 93CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT} 94CFLAGS+= --param inline-unit-growth=100 95CFLAGS+= --param large-function-growth=1000 96WERROR?= -Werror 97.endif 98 99# XXX LOCORE means "don't declare C stuff" not "for locore.s". 100ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS} 101 102.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1 103.if ${CC} == "icc" 104.error "Profiling doesn't work with icc yet" 105.endif 106CFLAGS+= -DGPROF -falign-functions=16 107.if ${PROFLEVEL} >= 2 108CFLAGS+= -DGPROF4 -DGUPROF 109PROF= -pg -mprofiler-epilogue 110.else 111PROF= -pg 112.endif 113.endif 114DEFINED_PROF= ${PROF} 115 116# Put configuration-specific C flags last (except for ${PROF}) so that they 117# can override the others. 118CFLAGS+= ${CONF_CFLAGS} 119 120# Optional linting. This can be overridden in /etc/make.conf. 121LINTFLAGS= ${LINTOBJKERNFLAGS} 122 123NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 124NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC} 125PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC} 126NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 127 128NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \ 129 ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c 130 131.if defined(CTFCONVERT) 132NORMAL_CTFCONVERT= ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} 133.else 134NORMAL_CTFCONVERT= 135.endif 136 137NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} 138 139GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/} 140SYSTEM_CFILES= config.c env.c hints.c vnode_if.c 141SYSTEM_DEP= Makefile ${SYSTEM_OBJS} 142SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS} 143SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o} 144SYSTEM_OBJS+= hack.So 145.if defined(CTFMERGE) 146SYSTEM_CTFMERGE= ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJS} vers.o 147LD+= -g 148.endif 149SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} \ 150 -warn-common -export-dynamic -dynamic-linker /red/herring \ 151 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o 152SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \ 153 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET} 154SYSTEM_DEP+= ${LDSCRIPT} 155 156# MKMODULESENV is set here so that port makefiles can augment 157# them. 158 159MKMODULESENV= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR} 160.if (${KERN_IDENT} == LINT) 161MKMODULESENV+= ALL_MODULES=LINT 162.endif 163.if defined(MODULES_OVERRIDE) 164MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}" 165.endif 166.if defined(DEBUG) 167MKMODULESENV+= DEBUG_FLAGS="${DEBUG}" 168.endif 169