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 .sinclude <bsd.compiler.mk>
   8
   9 # backwards compat option for older systems.
  10 MACHINE_CPUARCH?=${MACHINE_ARCH:C/mipse[lb]/mips/:C/armeb/arm/:C/powerpc64/powerpc/}
  11 COMPILER_TYPE?="gcc"
  12
  13 # Can be overridden by makeoptions or /etc/make.conf
  14 KERNEL_KO?=     kernel
  15 KERNEL?=        kernel
  16 KODIR?=         /boot/${KERNEL}
  17 LDSCRIPT_NAME?= ldscript.$M
  18 LDSCRIPT?=      $S/conf/${LDSCRIPT_NAME}
  19
  20 M=              ${MACHINE_CPUARCH}
  21
  22 AWK?=           awk
  23 CP?=            cp
  24 LINT?=          lint
  25 NM?=            nm
  26 OBJCOPY?=       objcopy
  27 SIZE?=          size
  28
  29 .if defined(DEBUG)
  30 _MINUS_O=       -O
  31 CTFFLAGS+=      -g
  32 .else
  33 .if ${MACHINE_CPUARCH} == "powerpc"
  34 _MINUS_O=       -O      # gcc miscompiles some code at -O2
  35 .else
  36 _MINUS_O=       -O2
  37 .endif
  38 .endif
  39 .if ${MACHINE_CPUARCH} == "amd64"
  40 .if ${COMPILER_TYPE} != "clang"
  41 COPTFLAGS?=-O2 -frename-registers -pipe
  42 .else
  43 COPTFLAGS?=-O2 -pipe
  44 .endif
  45 .else
  46 COPTFLAGS?=${_MINUS_O} -pipe
  47 .endif
  48 .if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing)
  49 COPTFLAGS+= -fno-strict-aliasing
  50 .endif
  51 .if !defined(NO_CPU_COPTFLAGS)
  52 COPTFLAGS+= ${_CPUCFLAGS}
  53 .endif
  54 C_DIALECT= -std=c99
  55 NOSTDINC= -nostdinc
  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 ${COMPILER_TYPE} != "clang"
  91 CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
  92 .if ${MACHINE_CPUARCH} != "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=10000
  98 CFLAGS+= --param large-function-growth=100000
  99 CFLAGS+= --param max-inline-insns-single=10000
 100 .endif
 101 .endif
 102 WERROR?= -Werror
 103
 104 # XXX LOCORE means "don't declare C stuff" not "for locore.s".
 105 ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
 106
 107 .if ${COMPILER_TYPE} == "clang"
 108 CLANG_NO_IAS= -no-integrated-as
 109 .else
 110 GCC_MS_EXTENSIONS= -fms-extensions
 111 .endif
 112
 113 .if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
 114 CFLAGS+=        -DGPROF
 115 .if ${COMPILER_TYPE} != "clang"
 116 CFLAGS+=        -falign-functions=16
 117 .endif
 118 .if ${PROFLEVEL} >= 2
 119 CFLAGS+=        -DGPROF4 -DGUPROF
 120 PROF=           -pg
 121 .if ${COMPILER_TYPE} != "clang"
 122 PROF+=          -mprofiler-epilogue
 123 .endif
 124 .else
 125 PROF=           -pg
 126 .endif
 127 .endif
 128 DEFINED_PROF=   ${PROF}
 129
 130 # Put configuration-specific C flags last (except for ${PROF}) so that they
 131 # can override the others.
 132 CFLAGS+=        ${CONF_CFLAGS}
 133
 134 # Optional linting. This can be overridden in /etc/make.conf.
 135 LINTFLAGS=      ${LINTOBJKERNFLAGS}
 136
 137 NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
 138 NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
 139 PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
 140 NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
 141
 142 NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
 143           ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
 144
 145 NORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC}
 146 NORMAL_FWO= ${LD} -b binary --no-warn-mismatch -d -warn-common -r \
 147         -o ${.TARGET} ${.ALLSRC:M*.fw}
 148
 149 .if ${MK_CTF} != "no"
 150 NORMAL_CTFCONVERT=      ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
 151 .elif ${MAKE_VERSION} >= 9201210220
 152 NORMAL_CTFCONVERT=
 153 .else
 154 NORMAL_CTFCONVERT=      @:
 155 .endif
 156
 157 NORMAL_LINT=    ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
 158
 159 # Infiniband C flags.  Correct include paths and omit errors that linux
 160 # does not honor.
 161 OFEDINCLUDES=   -I$S/ofed/include/
 162 OFEDNOERR=      -Wno-cast-qual -Wno-pointer-arith ${GCC_MS_EXTENSIONS}
 163 OFEDCFLAGS=     ${CFLAGS:N-I*} ${OFEDINCLUDES} ${CFLAGS:M-I*} ${OFEDNOERR}
 164 OFED_C_NOIMP=   ${CC} -c -o ${.TARGET} ${OFEDCFLAGS} ${WERROR} ${PROF}
 165 OFED_C=         ${OFED_C_NOIMP} ${.IMPSRC}
 166
 167 GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/}
 168 SYSTEM_CFILES= config.c env.c hints.c vnode_if.c
 169 SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
 170 SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
 171 SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
 172 SYSTEM_OBJS+= hack.So
 173 SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} --no-warn-mismatch \
 174         -warn-common -export-dynamic -dynamic-linker /red/herring \
 175         -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
 176 SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
 177         ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
 178 SYSTEM_DEP+= ${LDSCRIPT}
 179
 180 # MKMODULESENV is set here so that port makefiles can augment
 181 # them.
 182
 183 MKMODULESENV+=  MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
 184 MKMODULESENV+=  MACHINE_CPUARCH=${MACHINE_CPUARCH}
 185 .if (${KERN_IDENT} == LINT)
 186 MKMODULESENV+=  ALL_MODULES=LINT
 187 .endif
 188 .if defined(MODULES_OVERRIDE)
 189 MKMODULESENV+=  MODULES_OVERRIDE="${MODULES_OVERRIDE}"
 190 .endif
 191 .if defined(WITHOUT_MODULES)
 192 MKMODULESENV+=  WITHOUT_MODULES="${WITHOUT_MODULES}"
 193 .endif
 194 .if defined(DEBUG)
 195 MKMODULESENV+=  DEBUG_FLAGS="${DEBUG}"
 196 .endif