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 <src.opts.mk>
   7 .include <bsd.compiler.mk>
   8 .include "kern.opts.mk"
   9
  10 # backwards compat option for older systems.
  11 MACHINE_CPUARCH?=${MACHINE_ARCH:C/mips(n32|64)?(el)?/mips/:C/arm(v6)?(eb)?/arm/:C/powerpc64/powerpc/}
  12
  13 # Can be overridden by makeoptions or /etc/make.conf
  14 KERNEL_KO?=     kernel
  15 KERNEL?=        kernel
  16 KODIR?=         /boot/${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 ath
  69 INCLUDES+= -I$S/dev/ath -I$S/dev/ath/ath_hal -I$S/contrib/dev/ath/ath_hal
  70
  71 # ... and the same for the NgATM stuff
  72 INCLUDES+= -I$S/contrib/ngatm
  73
  74 # ... and the same for twa
  75 INCLUDES+= -I$S/dev/twa
  76
  77 # ... and the same for cxgb and cxgbe
  78 INCLUDES+= -I$S/dev/cxgb -I$S/dev/cxgbe
  79
  80 .endif
  81
  82 CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS}
  83 CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
  84 CFLAGS_PARAM_INLINE_UNIT_GROWTH?=100
  85 CFLAGS_PARAM_LARGE_FUNCTION_GROWTH?=1000
  86 .if ${MACHINE_CPUARCH} == "mips"
  87 CFLAGS_ARCH_PARAMS?=--param max-inline-insns-single=1000
  88 .endif
  89 .if ${COMPILER_TYPE} != "clang"
  90 CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
  91 CFLAGS+= --param inline-unit-growth=${CFLAGS_PARAM_INLINE_UNIT_GROWTH}
  92 CFLAGS+= --param large-function-growth=${CFLAGS_PARAM_LARGE_FUNCTION_GROWTH}
  93 .if defined(CFLAGS_ARCH_PARAMS)
  94 CFLAGS+=${CFLAGS_ARCH_PARAMS}
  95 .endif
  96 .endif
  97 WERROR?= -Werror
  98
  99 # XXX LOCORE means "don't declare C stuff" not "for locore.s".
 100 ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
 101
 102 .if ${COMPILER_TYPE} == "clang"
 103 CLANG_NO_IAS= -no-integrated-as
 104 .else
 105 GCC_MS_EXTENSIONS= -fms-extensions
 106 .endif
 107
 108 .if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
 109 CFLAGS+=        -DGPROF
 110 .if ${COMPILER_TYPE} != "clang"
 111 CFLAGS+=        -falign-functions=16
 112 .endif
 113 .if ${PROFLEVEL} >= 2
 114 CFLAGS+=        -DGPROF4 -DGUPROF
 115 PROF=           -pg
 116 .if ${COMPILER_TYPE} != "clang"
 117 PROF+=          -mprofiler-epilogue
 118 .endif
 119 .else
 120 PROF=           -pg
 121 .endif
 122 .endif
 123 DEFINED_PROF=   ${PROF}
 124
 125 # Put configuration-specific C flags last (except for ${PROF}) so that they
 126 # can override the others.
 127 CFLAGS+=        ${CONF_CFLAGS}
 128
 129 # Optional linting. This can be overridden in /etc/make.conf.
 130 LINTFLAGS=      ${LINTOBJKERNFLAGS}
 131
 132 NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
 133 NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
 134 PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
 135 NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
 136
 137 NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
 138           ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
 139
 140 NORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC}
 141 NORMAL_FWO= ${LD} -b binary --no-warn-mismatch -d -warn-common -r \
 142         -o ${.TARGET} ${.ALLSRC:M*.fw}
 143
 144 # Special flags for managing the compat compiles for ZFS
 145 ZFS_CFLAGS=     -DFREEBSD_NAMECACHE -DBUILDING_ZFS -nostdinc -I$S/cddl/compat/opensolaris -I$S/cddl/contrib/opensolaris/uts/common/fs/zfs -I$S/cddl/contrib/opensolaris/uts/common/zmod -I$S/cddl/contrib/opensolaris/uts/common -I$S -I$S/cddl/contrib/opensolaris/common/zfs -I$S/cddl/contrib/opensolaris/common ${CFLAGS} -Wno-unknown-pragmas -Wno-missing-prototypes -Wno-undef -Wno-strict-prototypes -Wno-cast-qual -Wno-parentheses -Wno-redundant-decls -Wno-missing-braces -Wno-uninitialized -Wno-unused -Wno-inline -Wno-switch -Wno-pointer-arith -Wno-unknown-pragmas
 146 ZFS_CFLAGS+=    -include $S/cddl/compat/opensolaris/sys/debug_compat.h
 147 ZFS_ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${ZFS_CFLAGS}
 148 ZFS_C=          ${CC} -c ${ZFS_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
 149 ZFS_S=          ${CC} -c ${ZFS_ASM_CFLAGS} ${WERROR} ${.IMPSRC}
 150
 151 .if ${MK_CTF} != "no"
 152 NORMAL_CTFCONVERT=      ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
 153 .elif ${MAKE_VERSION} >= 5201111300
 154 NORMAL_CTFCONVERT=
 155 .else
 156 NORMAL_CTFCONVERT=      @:
 157 .endif
 158
 159 NORMAL_LINT=    ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
 160
 161 # Infiniband C flags.  Correct include paths and omit errors that linux
 162 # does not honor.
 163 OFEDINCLUDES=   -I$S/ofed/include/
 164 OFEDNOERR=      -Wno-cast-qual -Wno-pointer-arith ${GCC_MS_EXTENSIONS}
 165 OFEDCFLAGS=     ${CFLAGS:N-I*} ${OFEDINCLUDES} ${CFLAGS:M-I*} ${OFEDNOERR}
 166 OFED_C_NOIMP=   ${CC} -c -o ${.TARGET} ${OFEDCFLAGS} ${WERROR} ${PROF}
 167 OFED_C=         ${OFED_C_NOIMP} ${.IMPSRC}
 168
 169 GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/}
 170 SYSTEM_CFILES= config.c env.c hints.c vnode_if.c
 171 SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
 172 SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
 173 SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
 174 SYSTEM_OBJS+= hack.So
 175 SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} ${LDFLAGS} --no-warn-mismatch \
 176         -warn-common -export-dynamic -dynamic-linker /red/herring \
 177         -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
 178 SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
 179         ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
 180 SYSTEM_DEP+= ${LDSCRIPT}
 181
 182 # MKMODULESENV is set here so that port makefiles can augment
 183 # them.
 184
 185 MKMODULESENV+=  MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
 186 MKMODULESENV+=  MACHINE_CPUARCH=${MACHINE_CPUARCH}
 187 MKMODULESENV+=  MACHINE=${MACHINE} MACHINE_ARCH=${MACHINE_ARCH}
 188 .if (${KERN_IDENT} == LINT)
 189 MKMODULESENV+=  ALL_MODULES=LINT
 190 .endif
 191 .if defined(MODULES_OVERRIDE)
 192 MKMODULESENV+=  MODULES_OVERRIDE="${MODULES_OVERRIDE}"
 193 .endif
 194 .if defined(WITHOUT_MODULES)
 195 MKMODULESENV+=  WITHOUT_MODULES="${WITHOUT_MODULES}"
 196 .endif
 197 .if defined(DEBUG)
 198 MKMODULESENV+=  DEBUG_FLAGS="${DEBUG}"
 199 .endif
 200
 201 # Detect kernel config options that force stack frames to be turned on.
 202 DDB_ENABLED!=   grep DDB opt_ddb.h || true ; echo
 203 DTR_ENABLED!=   grep KDTRACE_FRAME opt_kdtrace.h || true ; echo
 204 HWPMC_ENABLED!= grep HWPMC opt_hwpmc_hooks.h || true ; echo