The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/conf/kern.pre.mk

Version: -  FREEBSD  -  FREEBSD11  -  FREEBSD10  -  FREEBSD9  -  FREEBSD92  -  FREEBSD91  -  FREEBSD90  -  FREEBSD8  -  FREEBSD82  -  FREEBSD81  -  FREEBSD80  -  FREEBSD7  -  FREEBSD74  -  FREEBSD73  -  FREEBSD72  -  FREEBSD71  -  FREEBSD70  -  FREEBSD6  -  FREEBSD64  -  FREEBSD63  -  FREEBSD62  -  FREEBSD61  -  FREEBSD60  -  FREEBSD5  -  FREEBSD55  -  FREEBSD54  -  FREEBSD53  -  FREEBSD52  -  FREEBSD51  -  FREEBSD50  -  FREEBSD4  -  FREEBSD3  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 # $FreeBSD: stable/11/sys/conf/kern.pre.mk 325534 2017-11-08 08:53:44Z avg $
    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 # Allow user to configure things that only effect src tree builds.
    7 # Note: This is duplicated from src.sys.mk to ensure that we include
    8 # /etc/src.conf when building the kernel. Kernels can be built without
    9 # the rest of /usr/src, but they still always process SRCCONF even though
   10 # the normal mechanisms to prevent that (compiling out of tree) won't
   11 # work. To ensure they do work, we have to duplicate thee few lines here.
   12 SRCCONF?=       /etc/src.conf
   13 .if (exists(${SRCCONF}) || ${SRCCONF} != "/etc/src.conf") && !target(_srcconf_included_)
   14 .include "${SRCCONF}"
   15 _srcconf_included_:
   16 .endif
   17 
   18 .include <bsd.own.mk>
   19 .include <bsd.compiler.mk>
   20 .include "kern.opts.mk"
   21 
   22 # The kernel build always occurs in the object directory which is .CURDIR.
   23 .if ${.MAKE.MODE:Unormal:Mmeta}
   24 .MAKE.MODE+=    curdirOk=yes
   25 .endif
   26 
   27 # Can be overridden by makeoptions or /etc/make.conf
   28 KERNEL_KO?=     kernel
   29 KERNEL?=        kernel
   30 KODIR?=         /boot/${KERNEL}
   31 LDSCRIPT_NAME?= ldscript.$M
   32 LDSCRIPT?=      $S/conf/${LDSCRIPT_NAME}
   33 
   34 M=              ${MACHINE}
   35 
   36 AWK?=           awk
   37 CP?=            cp
   38 LINT?=          lint
   39 NM?=            nm
   40 OBJCOPY?=       objcopy
   41 SIZE?=          size
   42 
   43 .if defined(DEBUG)
   44 _MINUS_O=       -O
   45 CTFFLAGS+=      -g
   46 .else
   47 .if ${MACHINE_CPUARCH} == "powerpc"
   48 _MINUS_O=       -O      # gcc miscompiles some code at -O2
   49 .else
   50 _MINUS_O=       -O2
   51 .endif
   52 .endif
   53 .if ${MACHINE_CPUARCH} == "amd64"
   54 .if ${COMPILER_TYPE} == "clang"
   55 COPTFLAGS?=-O2 -pipe
   56 .else
   57 COPTFLAGS?=-O2 -frename-registers -pipe
   58 .endif
   59 .else
   60 COPTFLAGS?=${_MINUS_O} -pipe
   61 .endif
   62 .if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing)
   63 COPTFLAGS+= -fno-strict-aliasing
   64 .endif
   65 .if !defined(NO_CPU_COPTFLAGS)
   66 COPTFLAGS+= ${_CPUCFLAGS}
   67 .endif
   68 NOSTDINC= -nostdinc
   69 
   70 INCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S
   71 
   72 CFLAGS= ${COPTFLAGS} ${DEBUG}
   73 CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
   74 CFLAGS_PARAM_INLINE_UNIT_GROWTH?=100
   75 CFLAGS_PARAM_LARGE_FUNCTION_GROWTH?=1000
   76 .if ${MACHINE_CPUARCH} == "mips"
   77 CFLAGS_ARCH_PARAMS?=--param max-inline-insns-single=1000
   78 .endif
   79 CFLAGS.gcc+= -fno-common -fms-extensions -finline-limit=${INLINE_LIMIT}
   80 CFLAGS.gcc+= --param inline-unit-growth=${CFLAGS_PARAM_INLINE_UNIT_GROWTH}
   81 CFLAGS.gcc+= --param large-function-growth=${CFLAGS_PARAM_LARGE_FUNCTION_GROWTH}
   82 .if defined(CFLAGS_ARCH_PARAMS)
   83 CFLAGS.gcc+=${CFLAGS_ARCH_PARAMS}
   84 .endif
   85 WERROR?= -Werror
   86 
   87 # XXX LOCORE means "don't declare C stuff" not "for locore.s".
   88 ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS} ${ASM_CFLAGS.${.IMPSRC:T}} 
   89 
   90 .if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
   91 CFLAGS+=        -DGPROF
   92 CFLAGS.gcc+=    -falign-functions=16
   93 .if ${PROFLEVEL} >= 2
   94 CFLAGS+=        -DGPROF4 -DGUPROF
   95 PROF=           -pg
   96 .if ${COMPILER_TYPE} == "gcc"
   97 PROF+=          -mprofiler-epilogue
   98 .endif
   99 .else
  100 PROF=           -pg
  101 .endif
  102 .endif
  103 DEFINED_PROF=   ${PROF}
  104 
  105 # Put configuration-specific C flags last (except for ${PROF}) so that they
  106 # can override the others.
  107 CFLAGS+=        ${CONF_CFLAGS}
  108 
  109 # Optional linting. This can be overridden in /etc/make.conf.
  110 LINTFLAGS=      ${LINTOBJKERNFLAGS}
  111 
  112 NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
  113 NORMAL_S= ${CC:N${CCACHE_BIN}} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
  114 PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
  115 NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
  116 
  117 NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
  118           ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
  119 
  120 NORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC}
  121 NORMAL_FWO= ${LD} -b binary --no-warn-mismatch -d -warn-common -r \
  122         -m ${LD_EMULATION} -o ${.TARGET} ${.ALLSRC:M*.fw}
  123 
  124 # Common for dtrace / zfs
  125 CDDL_CFLAGS=    -DFREEBSD_NAMECACHE -nostdinc -I$S/cddl/compat/opensolaris -I$S/cddl/contrib/opensolaris/uts/common -I$S -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
  126 CDDL_CFLAGS+=   -include $S/cddl/compat/opensolaris/sys/debug_compat.h
  127 CDDL_C=         ${CC} -c ${CDDL_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
  128 
  129 # Special flags for managing the compat compiles for ZFS
  130 ZFS_CFLAGS=     -DBUILDING_ZFS -I$S/cddl/contrib/opensolaris/uts/common/fs/zfs
  131 ZFS_CFLAGS+=    -I$S/cddl/contrib/opensolaris/uts/common/fs/zfs/lua
  132 ZFS_CFLAGS+=    -I$S/cddl/contrib/opensolaris/uts/common/zmod
  133 ZFS_CFLAGS+=    -I$S/cddl/contrib/opensolaris/common/zfs
  134 ZFS_CFLAGS+=    ${CDDL_CFLAGS}
  135 ZFS_ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${ZFS_CFLAGS}
  136 ZFS_C=          ${CC} -c ${ZFS_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
  137 ZFS_S=          ${CC} -c ${ZFS_ASM_CFLAGS} ${WERROR} ${.IMPSRC}
  138 
  139 # Special flags for managing the compat compiles for DTrace
  140 DTRACE_CFLAGS=  -DBUILDING_DTRACE ${CDDL_CFLAGS} -I$S/cddl/dev/dtrace -I$S/cddl/dev/dtrace/${MACHINE_CPUARCH}
  141 .if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
  142 DTRACE_CFLAGS+= -I$S/cddl/contrib/opensolaris/uts/intel -I$S/cddl/dev/dtrace/x86
  143 .endif
  144 DTRACE_CFLAGS+= -I$S/cddl/contrib/opensolaris/common/util -I$S -DDIS_MEM -DSMP
  145 DTRACE_ASM_CFLAGS=      -x assembler-with-cpp -DLOCORE ${DTRACE_CFLAGS}
  146 DTRACE_C=       ${CC} -c ${DTRACE_CFLAGS}       ${WERROR} ${PROF} ${.IMPSRC}
  147 DTRACE_S=       ${CC} -c ${DTRACE_ASM_CFLAGS}   ${WERROR} ${.IMPSRC}
  148 
  149 # Special flags for managing the compat compiles for DTrace/FBT
  150 FBT_CFLAGS=     -DBUILDING_DTRACE -nostdinc -I$S/cddl/dev/fbt/${MACHINE_CPUARCH} -I$S/cddl/dev/fbt -I$S/cddl/compat/opensolaris -I$S/cddl/contrib/opensolaris/uts/common -I$S ${CDDL_CFLAGS}
  151 .if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
  152 FBT_CFLAGS+=    -I$S/cddl/dev/fbt/x86
  153 .endif
  154 FBT_C=          ${CC} -c ${FBT_CFLAGS}          ${WERROR} ${PROF} ${.IMPSRC}
  155 
  156 .if ${MK_CTF} != "no"
  157 NORMAL_CTFCONVERT=      ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
  158 .elif ${MAKE_VERSION} >= 5201111300
  159 NORMAL_CTFCONVERT=
  160 .else
  161 NORMAL_CTFCONVERT=      @:
  162 .endif
  163 
  164 NORMAL_LINT=    ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
  165 
  166 # Linux Kernel Programming Interface C-flags
  167 LINUXKPI_INCLUDES=      -I$S/compat/linuxkpi/common/include
  168 LINUXKPI_C=             ${NORMAL_C} ${LINUXKPI_INCLUDES}
  169 
  170 # Infiniband C flags.  Correct include paths and omit errors that linux
  171 # does not honor.
  172 OFEDINCLUDES=   -I$S/ofed/include ${LINUXKPI_INCLUDES}
  173 OFEDNOERR=      -Wno-cast-qual -Wno-pointer-arith
  174 OFEDCFLAGS=     ${CFLAGS:N-I*} ${OFEDINCLUDES} ${CFLAGS:M-I*} ${OFEDNOERR}
  175 OFED_C_NOIMP=   ${CC} -c -o ${.TARGET} ${OFEDCFLAGS} ${WERROR} ${PROF}
  176 OFED_C=         ${OFED_C_NOIMP} ${.IMPSRC}
  177 
  178 GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/}
  179 SYSTEM_CFILES= config.c env.c hints.c vnode_if.c
  180 SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
  181 SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
  182 SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
  183 SYSTEM_OBJS+= hack.pico
  184 
  185 MD_ROOT_SIZE_CONFIGURED!=       grep MD_ROOT_SIZE opt_md.h || true ; echo
  186 .if ${MFS_IMAGE:Uno} != "no"
  187 .if empty(MD_ROOT_SIZE_CONFIGURED)
  188 SYSTEM_OBJS+= embedfs_${MFS_IMAGE:T:R}.o
  189 .endif
  190 .endif
  191 SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} ${_LDFLAGS} --no-warn-mismatch \
  192         --warn-common --export-dynamic --dynamic-linker /red/herring \
  193         -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
  194 SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
  195         ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
  196 SYSTEM_DEP+= ${LDSCRIPT}
  197 
  198 # Calculate path for .m files early, if needed.
  199 .if !defined(NO_MODULES) && !defined(__MPATH)
  200 __MPATH!=find ${S:tA}/ -name \*_if.m
  201 .endif
  202 
  203 # MKMODULESENV is set here so that port makefiles can augment
  204 # them.
  205 
  206 MKMODULESENV+=  MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
  207 MKMODULESENV+=  MACHINE_CPUARCH=${MACHINE_CPUARCH}
  208 MKMODULESENV+=  MACHINE=${MACHINE} MACHINE_ARCH=${MACHINE_ARCH}
  209 MKMODULESENV+=  MODULES_EXTRA="${MODULES_EXTRA}" WITHOUT_MODULES="${WITHOUT_MODULES}"
  210 MKMODULESENV+=  ARCH_FLAGS="${ARCH_FLAGS}"
  211 .if (${KERN_IDENT} == LINT)
  212 MKMODULESENV+=  ALL_MODULES=LINT
  213 .endif
  214 .if defined(MODULES_OVERRIDE)
  215 MKMODULESENV+=  MODULES_OVERRIDE="${MODULES_OVERRIDE}"
  216 .endif
  217 .if defined(DEBUG)
  218 MKMODULESENV+=  DEBUG_FLAGS="${DEBUG}"
  219 .endif
  220 .if !defined(NO_MODULES)
  221 MKMODULESENV+=  __MPATH="${__MPATH}"
  222 .endif
  223 
  224 # Architecture and output format arguments for objdump to convert image to
  225 # object file
  226 
  227 .if ${MFS_IMAGE:Uno} != "no"
  228 .if empty(MD_ROOT_SIZE_CONFIGURED)
  229 .if !defined(EMBEDFS_FORMAT.${MACHINE_ARCH})
  230 EMBEDFS_FORMAT.${MACHINE_ARCH}!= awk -F'"' '/OUTPUT_FORMAT/ {print $$2}' ${LDSCRIPT}
  231 .if empty(EMBEDFS_FORMAT.${MACHINE_ARCH})
  232 .undef EMBEDFS_FORMAT.${MACHINE_ARCH}
  233 .endif
  234 .endif
  235 
  236 .if !defined(EMBEDFS_ARCH.${MACHINE_ARCH})
  237 EMBEDFS_ARCH.${MACHINE_ARCH}!= sed -n '/OUTPUT_ARCH/s/.*(\(.*\)).*/\1/p' ${LDSCRIPT}
  238 .if empty(EMBEDFS_ARCH.${MACHINE_ARCH})
  239 .undef EMBEDFS_ARCH.${MACHINE_ARCH}
  240 .endif
  241 .endif
  242 
  243 EMBEDFS_FORMAT.arm?=            elf32-littlearm
  244 EMBEDFS_FORMAT.armv6?=          elf32-littlearm
  245 EMBEDFS_FORMAT.aarch64?=        elf64-littleaarch64
  246 EMBEDFS_FORMAT.mips?=           elf32-tradbigmips
  247 EMBEDFS_FORMAT.mipsel?=         elf32-tradlittlemips
  248 EMBEDFS_FORMAT.mips64?=         elf64-tradbigmips
  249 EMBEDFS_FORMAT.mips64el?=       elf64-tradlittlemips
  250 EMBEDFS_FORMAT.riscv?=          elf64-littleriscv
  251 .endif
  252 .endif
  253 
  254 # Detect kernel config options that force stack frames to be turned on.
  255 DDB_ENABLED!=   grep DDB opt_ddb.h || true ; echo
  256 DTR_ENABLED!=   grep KDTRACE_FRAME opt_kdtrace.h || true ; echo
  257 HWPMC_ENABLED!= grep HWPMC opt_hwpmc_hooks.h || true ; echo

Cache object: 5c6fd3d57e745ae3b82e802139ef5b66


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.