sys/conf/kern.pre.mk

   1 # $DragonFly: src/sys/conf/kern.pre.mk,v 1.2 2006/10/22 16:09:19 dillon Exp $
   2 #
   3 # This Makefile covers the top part of the MI kernel build instructions
   4 #
   5
   6 # Can be overridden by makeoptions or /etc/make.conf
   7 KERNEL?=        kernel
   8
   9 # build this target if none is specified on the command line
  10 .MAIN:  all
  11
  12 M=      ${MACHINE_ARCH}
  13
  14 SIZE?=          size
  15 OBJCOPY?=       objcopy
  16
  17 COPTFLAGS?=-O -pipe
  18 .if !defined(NO_CPU_COPTFLAGS)
  19 COPTFLAGS+= ${_CPUCFLAGS}
  20 .endif
  21 # don't use -I- so we can use proper source-relative locality for local
  22 # includes
  23 INCLUDES= -nostdinc -I. -I$S -I$S/arch
  24 # This hack is to allow kernel compiles to succeed on machines w/out srcdist
  25 .if exists($S/../include)
  26 INCLUDES+= -I$S/../include
  27 .else
  28 INCLUDES+= -I/usr/include
  29 .endif
  30
  31 # This hack lets us use the Intel ACPICA code without spamming a new
  32 # include path into 100+ source files.
  33 .include "$S/conf/acpi.mk"
  34 INCLUDES+= -I${.OBJDIR} -I"$S/${OSACPI_MI_DIR}" -I"$S/${ACPICA_DIR}/include"
  35
  36 # This hack lets us use the ipfilter code without spamming a new
  37 # include path into 100+ source files.
  38 INCLUDES+= -I$S/contrib/ipfilter
  39
  40 COPTS=  ${INCLUDES} ${IDENT} -D_KERNEL -include opt_global.h
  41 CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
  42
  43 # XXX LOCORE means "don't declare C stuff" not "for locore.s".
  44 ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
  45
  46 DEFINED_PROF=   ${PROF}
  47 .if defined(PROF)
  48 CFLAGS+=        -falign-functions=16
  49 .if ${PROFLEVEL} >= 2
  50 IDENT+= -DGPROF4 -DGUPROF
  51 PROF+=  -mprofiler-epilogue
  52 .endif
  53 .endif
  54
  55 # Put configuration-specific C flags last (except for ${PROF}) so that they
  56 # can override the others.
  57 CFLAGS+=        ${CONF_CFLAGS}
  58
  59 NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
  60 NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
  61 NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${.IMPSRC}
  62 PROFILE_C= ${CC} -c ${CFLAGS} ${.IMPSRC}
  63
  64 NORMAL_M= awk -f $S/tools/makeobjops.awk -- -c $<; \
  65         ${CC} -c ${CFLAGS} ${PROF} ${.PREFIX}.c
  66
  67 GEN_CFILES= $S/arch/$M/$M/genassym.c
  68 SYSTEM_CFILES= ioconf.c config.c
  69 SYSTEM_SFILES= $S/arch/$M/$M/locore.s
  70 SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
  71 SYSTEM_OBJS= locore.o ${OBJS} ioconf.o config.o hack.So
  72 SYSTEM_LD= @${LD} -Bdynamic -T $S/arch/$M/conf/ldscript.$M \
  73         -export-dynamic -dynamic-linker /red/herring \
  74         -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
  75 SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
  76         ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
  77 SYSTEM_DEP+= $S/arch/$M/conf/ldscript.$M
  78
  79
  80 # Normalize output files to make it absolutely crystal clear to
  81 # anyone examining the build directory.
  82 #
  83 .if defined(DEBUG)
  84 FULLKERNEL=     ${KERNEL}.debug
  85 .if defined(INSTALLSTRIPPED)
  86 SELECTEDKERNEL= ${KERNEL}.stripped
  87 .else
  88 SELECTEDKERNEL= ${KERNEL}.debug
  89 .endif
  90 .else
  91 FULLKERNEL=     ${KERNEL}.nodebug
  92 SELECTEDKERNEL= ${KERNEL}.stripped
  93 .endif
  94
  95
  96 MKMODULESENV=   MAKEOBJDIRPREFIX=${.OBJDIR} BUILDING_WITH_KERNEL=${.OBJDIR}
  97 .if defined(MODULES_OVERRIDE)
  98 MKMODULESENV+=  MODULES_OVERRIDE="${MODULES_OVERRIDE}"
  99 .endif
 100 .if defined(DEBUG)
 101 MKMODULESENV+=  DEBUG="${DEBUG}" DEBUG_FLAGS="${DEBUG}"
 102 .endif
 103 .if defined(INSTALLSTRIPPED) || defined(INSTALLSTRIPPEDMODULES)
 104 MKMODULESENV+=  INSTALLSTRIPPEDMODULES=1
 105 .endif
 106