sys/conf/kern.pre.mk

   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
   9 KERNEL_KO?=     kernel
  10 KERNEL?=        kernel
  11 KODIR?=         /boot/${KERNEL}
  12 LDSCRIPT_NAME?= ldscript.$M
  13 LDSCRIPT?=      $S/conf/${LDSCRIPT_NAME}
  14
  15 M=      ${MACHINE_ARCH}
  16
  17 AWK?=           awk
  18 CP?=            cp
  19 LINT?=          lint
  20 NM?=            nm
  21 OBJCOPY?=       objcopy
  22 SIZE?=          size
  23
  24 .if ${CC} == "icc"
  25 COPTFLAGS?=     -O
  26 .else
  27 . if defined(DEBUG)
  28 _MINUS_O=       -O
  29 CTFFLAGS+=      -g
  30 . else
  31 _MINUS_O=       -O2
  32 . endif
  33 . if ${MACHINE_ARCH} == "amd64"
  34 COPTFLAGS?=-O2 -frename-registers -pipe
  35 . else
  36 COPTFLAGS?=${_MINUS_O} -pipe
  37 . endif
  38 . if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing)
  39 COPTFLAGS+= -fno-strict-aliasing
  40 . endif
  41 .endif
  42 .if !defined(NO_CPU_COPTFLAGS)
  43 . if ${CC} == "icc"
  44 COPTFLAGS+= ${_ICC_CPUCFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/}
  45 . else
  46 COPTFLAGS+= ${_CPUCFLAGS}
  47 . endif
  48 .endif
  49 .if ${CC} == "icc"
  50 C_DIALECT=
  51 NOSTDINC= -X
  52 .else
  53 C_DIALECT= -std=c99
  54 NOSTDINC= -nostdinc
  55 .endif
  56
  57 INCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S
  58
  59 # This hack lets us use the OpenBSD altq code without spamming a new
  60 # include path into contrib'ed source files.
  61 INCLUDES+= -I$S/contrib/altq
  62
  63 .if make(depend) || make(kernel-depend)
  64
  65 # ... and the same for ipfilter
  66 INCLUDES+= -I$S/contrib/ipfilter
  67
  68 # ... and the same for pf
  69 INCLUDES+= -I$S/contrib/pf
  70
  71 # ... and the same for ath
  72 INCLUDES+= -I$S/dev/ath -I$S/dev/ath/ath_hal
  73
  74 # ... and the same for the NgATM stuff
  75 INCLUDES+= -I$S/contrib/ngatm
  76
  77 # ... and the same for twa
  78 INCLUDES+= -I$S/dev/twa
  79
  80 # ... and the same for XFS
  81 INCLUDES+= -I$S/gnu/fs/xfs/FreeBSD -I$S/gnu/fs/xfs/FreeBSD/support -I$S/gnu/fs/xfs
  82
  83 # ... and the same for cxgb and cxgbe
  84 INCLUDES+= -I$S/dev/cxgb -I$S/dev/cxgbe
  85
  86 .endif
  87
  88 CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS}
  89 CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
  90 .if ${CC} != "icc"
  91 CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
  92 .if ${MACHINE_ARCH} != "mips"
  93 CFLAGS+= --param inline-unit-growth=100
  94 CFLAGS+= --param large-function-growth=1000
  95 .else
  96 # XXX Actually a gross hack just for Octeon because of the Simple Executive.
  97 CFLAGS+= --param inline-unit-growth=1000
  98 CFLAGS+= --param large-function-growth=100000
  99 .endif
 100 WERROR?= -Werror
 101 .endif
 102
 103 # XXX LOCORE means "don't declare C stuff" not "for locore.s".
 104 ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
 105
 106 .if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
 107 .if ${CC} == "icc"
 108 .error "Profiling doesn't work with icc yet"
 109 .endif
 110 CFLAGS+=        -DGPROF -falign-functions=16
 111 .if ${PROFLEVEL} >= 2
 112 CFLAGS+=        -DGPROF4 -DGUPROF
 113 PROF=   -pg -mprofiler-epilogue
 114 .else
 115 PROF=   -pg
 116 .endif
 117 .endif
 118 DEFINED_PROF=   ${PROF}
 119
 120 # Put configuration-specific C flags last (except for ${PROF}) so that they
 121 # can override the others.
 122 CFLAGS+=        ${CONF_CFLAGS}
 123
 124 # Optional linting. This can be overridden in /etc/make.conf.
 125 LINTFLAGS=      ${LINTOBJKERNFLAGS}
 126
 127 NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
 128 NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
 129 PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
 130 NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
 131
 132 NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
 133           ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
 134
 135 NORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC}
 136 NORMAL_FWO= ${LD} -b binary --no-warn-mismatch -d -warn-common -r \
 137         -o ${.TARGET} ${.ALLSRC:M*.fw}
 138
 139 .if ${MK_CTF} != "no"
 140 NORMAL_CTFCONVERT=      ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
 141 .else
 142 NORMAL_CTFCONVERT=      @:
 143 .endif
 144
 145 NORMAL_LINT=    ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
 146
 147 GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/}
 148 SYSTEM_CFILES= config.c env.c hints.c vnode_if.c
 149 SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
 150 SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
 151 SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
 152 SYSTEM_OBJS+= hack.So
 153 SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} --no-warn-mismatch \
 154         -warn-common -export-dynamic -dynamic-linker /red/herring \
 155         -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
 156 SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
 157         ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
 158 SYSTEM_DEP+= ${LDSCRIPT}
 159
 160 # MKMODULESENV is set here so that port makefiles can augment
 161 # them.
 162
 163 MKMODULESENV=   MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
 164 .if (${KERN_IDENT} == LINT)
 165 MKMODULESENV+=  ALL_MODULES=LINT
 166 .endif
 167 .if defined(MODULES_OVERRIDE)
 168 MKMODULESENV+=  MODULES_OVERRIDE="${MODULES_OVERRIDE}"
 169 .endif
 170 .if defined(WITHOUT_MODULES)
 171 MKMODULESENV+=  WITHOUT_MODULES="${WITHOUT_MODULES}"
 172 .endif
 173 .if defined(DEBUG)
 174 MKMODULESENV+=  DEBUG_FLAGS="${DEBUG}"
 175 .endif