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
  13 M=      ${MACHINE_ARCH}
  14
  15 AWK?=           awk
  16 LINT?=          lint
  17 NM?=            nm
  18 OBJCOPY?=       objcopy
  19 SIZE?=          size
  20
  21 .if ${CC} == "icc"
  22 COPTFLAGS?=     -O
  23 .else
  24 . if defined(DEBUG)
  25 _MINUS_O=       -O
  26 CTFFLAGS+=      -g
  27 . else
  28 _MINUS_O=       -O2
  29 . endif
  30 . if ${MACHINE_ARCH} == "amd64"
  31 COPTFLAGS?=-O2 -frename-registers -pipe
  32 . else
  33 COPTFLAGS?=${_MINUS_O} -pipe
  34 . endif
  35 . if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing)
  36 COPTFLAGS+= -fno-strict-aliasing
  37 . endif
  38 .endif
  39 .if !defined(NO_CPU_COPTFLAGS)
  40 . if ${CC} == "icc"
  41 COPTFLAGS+= ${_ICC_CPUCFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/}
  42 . else
  43 COPTFLAGS+= ${_CPUCFLAGS}
  44 . endif
  45 .endif
  46 .if ${CC} == "icc"
  47 C_DIALECT=
  48 NOSTDINC= -X
  49 .else
  50 C_DIALECT= -std=c99
  51 NOSTDINC= -nostdinc
  52 .endif
  53
  54 INCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S
  55
  56 # This hack lets us use the OpenBSD altq code without spamming a new
  57 # include path into contrib'ed source files.
  58 INCLUDES+= -I$S/contrib/altq
  59
  60 .if make(depend) || make(kernel-depend)
  61
  62 # ... and the same for ipfilter
  63 INCLUDES+= -I$S/contrib/ipfilter
  64
  65 # ... and the same for pf
  66 INCLUDES+= -I$S/contrib/pf
  67
  68 # ... and the same for ath
  69 INCLUDES+= -I$S/dev/ath -I$S/dev/ath/ath_hal
  70
  71 # ... and the same for the NgATM stuff
  72 INCLUDES+= -I$S/contrib/ngatm
  73
  74 # .. and the same for twa
  75 INCLUDES+= -I$S/dev/twa
  76
  77 # ...  and XFS
  78 INCLUDES+= -I$S/gnu/fs/xfs/FreeBSD -I$S/gnu/fs/xfs/FreeBSD/support -I$S/gnu/fs/xfs
  79
  80 # ...  and OpenSolaris
  81 INCLUDES+= -I$S/contrib/opensolaris/compat
  82
  83 .endif
  84
  85 CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS}
  86 CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
  87 .if ${CC} != "icc"
  88 CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
  89 CFLAGS+= --param inline-unit-growth=100
  90 CFLAGS+= --param large-function-growth=1000
  91 .if ${MACHINE_ARCH} == "amd64" || ${MACHINE} == "i386" || \
  92     ${MACHINE_ARCH} == "ia64" || ${MACHINE_ARCH} == "powerpc" || \
  93     ${MACHINE_ARCH} == "sparc64"
  94 WERROR?= -Werror
  95 .endif
  96 .endif
  97
  98 # XXX LOCORE means "don't declare C stuff" not "for locore.s".
  99 ASM_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 .endif
 105 CFLAGS+=        -DGPROF -falign-functions=16
 106 .if ${PROFLEVEL} >= 2
 107 CFLAGS+=        -DGPROF4 -DGUPROF
 108 PROF=   -pg -mprofiler-epilogue
 109 .else
 110 PROF=   -pg
 111 .endif
 112 .endif
 113 DEFINED_PROF=   ${PROF}
 114
 115 # Put configuration-specific C flags last (except for ${PROF}) so that they
 116 # can override the others.
 117 CFLAGS+=        ${CONF_CFLAGS}
 118
 119 # Optional linting. This can be overridden in /etc/make.conf.
 120 LINTFLAGS=      ${LINTOBJKERNFLAGS}
 121
 122 NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
 123 NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
 124 PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
 125 NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
 126
 127 NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
 128           ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
 129
 130 .if defined(CTFCONVERT)
 131 NORMAL_CTFCONVERT= ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
 132 .else
 133 NORMAL_CTFCONVERT=
 134 .endif
 135
 136 NORMAL_LINT=    ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
 137
 138 GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/}
 139 SYSTEM_CFILES= config.c env.c hints.c vnode_if.c
 140 SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
 141 SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
 142 SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
 143 SYSTEM_OBJS+= hack.So
 144 .if defined(CTFMERGE)
 145 SYSTEM_CTFMERGE= ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJS} vers.o
 146 LD+= -g
 147 .endif
 148 SYSTEM_LD= @${LD} -Bdynamic -T $S/conf/ldscript.$M \
 149         -warn-common -export-dynamic -dynamic-linker /red/herring \
 150         -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
 151 SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
 152         ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
 153 SYSTEM_DEP+= $S/conf/ldscript.$M
 154
 155 # MKMODULESENV is set here so that port makefiles can augment
 156 # them.
 157
 158 MKMODULESENV=   MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
 159 .if (${KERN_IDENT} == LINT)
 160 MKMODULESENV+=  ALL_MODULES=LINT
 161 .endif
 162 .if defined(MODULES_OVERRIDE)
 163 MKMODULESENV+=  MODULES_OVERRIDE="${MODULES_OVERRIDE}"
 164 .endif
 165 .if defined(DEBUG)
 166 MKMODULESENV+=  DEBUG_FLAGS="${DEBUG}"
 167 .endif