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