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 .include <bsd.compiler.mk>
   8
   9 # backwards compat option for older systems.
  10 MACHINE_CPUARCH?=${MACHINE_ARCH:C/mipse[lb]/mips/:C/armeb/arm/:C/powerpc64/powerpc/}
  11
  12 # Can be overridden by makeoptions or /etc/make.conf
  13 KERNEL_KO?=     kernel
  14 KERNEL?=        kernel
  15 KODIR?=         /boot/${KERNEL}
  16 LDSCRIPT_NAME?= ldscript.$M
  17 LDSCRIPT?=      $S/conf/${LDSCRIPT_NAME}
  18
  19 M=              ${MACHINE_CPUARCH}
  20
  21 AWK?=           awk
  22 CP?=            cp
  23 LINT?=          lint
  24 NM?=            nm
  25 OBJCOPY?=       objcopy
  26 SIZE?=          size
  27
  28 .if defined(DEBUG)
  29 _MINUS_O=       -O
  30 CTFFLAGS+=      -g
  31 .else
  32 .if ${MACHINE_CPUARCH} == "powerpc"
  33 _MINUS_O=       -O      # gcc miscompiles some code at -O2
  34 .else
  35 _MINUS_O=       -O2
  36 .endif
  37 .endif
  38 .if ${MACHINE_CPUARCH} == "amd64"
  39 .if ${COMPILER_TYPE} != "clang"
  40 COPTFLAGS?=-O2 -frename-registers -pipe
  41 .else
  42 COPTFLAGS?=-O2 -pipe
  43 .endif
  44 .else
  45 COPTFLAGS?=${_MINUS_O} -pipe
  46 .endif
  47 .if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing)
  48 COPTFLAGS+= -fno-strict-aliasing
  49 .endif
  50 .if !defined(NO_CPU_COPTFLAGS)
  51 COPTFLAGS+= ${_CPUCFLAGS}
  52 .endif
  53 C_DIALECT= -std=c99
  54 NOSTDINC= -nostdinc
  55
  56 INCLUDES= ${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.
  60 INCLUDES+= -I$S/contrib/altq
  61
  62 .if make(depend) || make(kernel-depend)
  63
  64 # ... and the same for ipfilter
  65 INCLUDES+= -I$S/contrib/ipfilter
  66
  67 # ... and the same for pf
  68 INCLUDES+= -I$S/contrib/pf
  69
  70 # ... and the same for ath
  71 INCLUDES+= -I$S/dev/ath -I$S/dev/ath/ath_hal
  72
  73 # ... and the same for the NgATM stuff
  74 INCLUDES+= -I$S/contrib/ngatm
  75
  76 # ... and the same for twa
  77 INCLUDES+= -I$S/dev/twa
  78
  79 # ... and the same for XFS
  80 INCLUDES+= -I$S/gnu/fs/xfs/FreeBSD -I$S/gnu/fs/xfs/FreeBSD/support -I$S/gnu/fs/xfs
  81
  82 # ... and the same for cxgb and cxgbe
  83 INCLUDES+= -I$S/dev/cxgb -I$S/dev/cxgbe
  84
  85 .endif
  86
  87 CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS}
  88 CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
  89 .if ${COMPILER_TYPE} != "clang"
  90 CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
  91 .if ${MACHINE_CPUARCH} != "mips"
  92 CFLAGS+= --param inline-unit-growth=100
  93 CFLAGS+= --param large-function-growth=1000
  94 .else
  95 # XXX Actually a gross hack just for Octeon because of the Simple Executive.
  96 CFLAGS+= --param inline-unit-growth=10000
  97 CFLAGS+= --param large-function-growth=100000
  98 CFLAGS+= --param max-inline-insns-single=10000
  99 .endif
 100 .endif
 101 WERROR?= -Werror
 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 ${COMPILER_TYPE} == "clang"
 107 CLANG_NO_IAS= -no-integrated-as
 108 .endif
 109
 110 .if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
 111 CFLAGS+=        -DGPROF
 112 .if ${COMPILER_TYPE} != "clang"
 113 CFLAGS+=        -falign-functions=16
 114 .endif
 115 .if ${PROFLEVEL} >= 2
 116 CFLAGS+=        -DGPROF4 -DGUPROF
 117 PROF=           -pg
 118 .if ${COMPILER_TYPE} != "clang"
 119 PROF+=          -mprofiler-epilogue
 120 .endif
 121 .else
 122 PROF=           -pg
 123 .endif
 124 .endif
 125 DEFINED_PROF=   ${PROF}
 126
 127 # Put configuration-specific C flags last (except for ${PROF}) so that they
 128 # can override the others.
 129 CFLAGS+=        ${CONF_CFLAGS}
 130
 131 # Optional linting. This can be overridden in /etc/make.conf.
 132 LINTFLAGS=      ${LINTOBJKERNFLAGS}
 133
 134 NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
 135 NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
 136 PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
 137 NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
 138
 139 NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
 140           ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
 141
 142 NORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC}
 143 NORMAL_FWO= ${LD} -b binary --no-warn-mismatch -d -warn-common -r \
 144         -o ${.TARGET} ${.ALLSRC:M*.fw}
 145
 146 .if ${MK_CTF} != "no"
 147 NORMAL_CTFCONVERT=      ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
 148 .elif ${MAKE_VERSION} >= 9201210220
 149 NORMAL_CTFCONVERT=
 150 .else
 151 NORMAL_CTFCONVERT=      @:
 152 .endif
 153
 154 NORMAL_LINT=    ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
 155
 156 # Infiniband C flags.  Correct include paths and omit errors that linux
 157 # does not honor.
 158 OFEDINCLUDES=   -I$S/ofed/include/
 159 OFEDNOERR=      -Wno-cast-qual -Wno-pointer-arith -fms-extensions
 160 OFEDCFLAGS=     ${CFLAGS:N-I*} ${OFEDINCLUDES} ${CFLAGS:M-I*} ${OFEDNOERR}
 161 OFED_C_NOIMP=   ${CC} -c -o ${.TARGET} ${OFEDCFLAGS} ${WERROR} ${PROF}
 162 OFED_C=         ${OFED_C_NOIMP} ${.IMPSRC}
 163
 164 GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/}
 165 SYSTEM_CFILES= config.c env.c hints.c vnode_if.c
 166 SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
 167 SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
 168 SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
 169 SYSTEM_OBJS+= hack.So
 170 SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} --no-warn-mismatch \
 171         -warn-common -export-dynamic -dynamic-linker /red/herring \
 172         -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
 173 SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
 174         ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
 175 SYSTEM_DEP+= ${LDSCRIPT}
 176
 177 # MKMODULESENV is set here so that port makefiles can augment
 178 # them.
 179
 180 MKMODULESENV+=  MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
 181 MKMODULESENV+=  MACHINE_CPUARCH=${MACHINE_CPUARCH}
 182 .if (${KERN_IDENT} == LINT)
 183 MKMODULESENV+=  ALL_MODULES=LINT
 184 .endif
 185 .if defined(MODULES_OVERRIDE)
 186 MKMODULESENV+=  MODULES_OVERRIDE="${MODULES_OVERRIDE}"
 187 .endif
 188 .if defined(WITHOUT_MODULES)
 189 MKMODULESENV+=  WITHOUT_MODULES="${WITHOUT_MODULES}"
 190 .endif
 191 .if defined(DEBUG)
 192 MKMODULESENV+=  DEBUG_FLAGS="${DEBUG}"
 193 .endif