share/mk/bsd.kmodule.mk

   1 #       $NetBSD: bsd.kmodule.mk,v 1.22 2009/12/14 01:00:46 matt Exp $
   2
   3 # We are not building this with PIE
   4 MKPIE=no
   5
   6 .include <bsd.init.mk>
   7 .include <bsd.klinks.mk>
   8 .include <bsd.sys.mk>
   9
  10 ##### Basic targets
  11 clean:          cleankmod
  12 realinstall:    kmodinstall
  13
  14 KERN=           $S/kern
  15
  16 CFLAGS+=        -ffreestanding ${COPTS}
  17 CPPFLAGS+=      -nostdinc -I. -I${.CURDIR} -isystem $S -isystem $S/arch
  18 CPPFLAGS+=      -isystem ${S}/../common/include
  19 CPPFLAGS+=      -D_KERNEL -D_LKM -D_MODULE
  20
  21 # XXX until the kernel is fixed again...
  22 .if (defined(HAVE_GCC) && ${HAVE_GCC} == 4) || defined(HAVE_PCC)
  23 CFLAGS+=        -fno-strict-aliasing -Wno-pointer-sign
  24 .endif
  25
  26 _YKMSRCS=       ${SRCS:M*.[ly]:C/\..$/.c/} ${YHEADER:D${SRCS:M*.y:.y=.h}}
  27 DPSRCS+=        ${_YKMSRCS}
  28 CLEANFILES+=    ${_YKMSRCS}
  29
  30 .if exists($S/../sys/modules/xldscripts/kmodule)
  31 KMODSCRIPT=     $S/../sys/modules/xldscripts/kmodule
  32 .else
  33 KMODSCRIPT=     ${DESTDIR}/usr/libdata/ldscripts/kmodule
  34 .endif
  35
  36 OBJS+=          ${SRCS:N*.h:N*.sh:R:S/$/.o/g}
  37 PROG?=          ${KMOD}.kmod
  38
  39 ##### Build rules
  40 realall:        ${PROG}
  41
  42 ${OBJS} ${LOBJS}: ${DPSRCS}
  43
  44 ${PROG}: ${OBJS} ${DPADD}
  45         ${_MKTARGET_LINK}
  46         ${CC} ${LDFLAGS} -nostdlib -r -Wl,-T,${KMODSCRIPT},-d \
  47                 -o ${.TARGET} ${OBJS}
  48
  49 ##### Install rules
  50 .if !target(kmodinstall)
  51 .if !defined(KMODULEDIR)
  52 _OSRELEASE!=    ${HOST_SH} $S/conf/osrelease.sh
  53 # Ensure these are recorded properly in METALOG on unprived installes:
  54 _INST_DIRS=     ${DESTDIR}/stand/${MACHINE}
  55 _INST_DIRS+=    ${DESTDIR}/stand/${MACHINE}/${_OSRELEASE}
  56 _INST_DIRS+=    ${DESTDIR}/stand/${MACHINE}/${_OSRELEASE}/modules
  57 KMODULEDIR=     ${DESTDIR}/stand/${MACHINE}/${_OSRELEASE}/modules/${KMOD}
  58 .endif
  59 _PROG:=         ${KMODULEDIR}/${PROG} # installed path
  60
  61 .if ${MKUPDATE} == "no"
  62 ${_PROG}! ${PROG}                                       # install rule
  63 .if !defined(BUILD) && !make(all) && !make(${PROG})
  64 ${_PROG}!       .MADE                                   # no build at install
  65 .endif
  66 .else
  67 ${_PROG}: ${PROG}                                       # install rule
  68 .if !defined(BUILD) && !make(all) && !make(${PROG})
  69 ${_PROG}:       .MADE                                   # no build at install
  70 .endif
  71 .endif
  72         ${_MKTARGET_INSTALL}
  73         dirs=${_INST_DIRS:Q}; \
  74         for d in $$dirs; do \
  75                 ${INSTALL_DIR} $$d; \
  76         done
  77         ${INSTALL_DIR} ${KMODULEDIR}
  78         ${INSTALL_FILE} -o ${KMODULEOWN} -g ${KMODULEGRP} -m ${KMODULEMODE} \
  79                 ${.ALLSRC} ${.TARGET}
  80
  81 kmodinstall::   ${_PROG}
  82 .PHONY:         kmodinstall
  83 .PRECIOUS:      ${_PROG}                                # keep if install fails
  84
  85 .undef _PROG
  86 .endif # !target(kmodinstall)
  87
  88 ##### Clean rules
  89 cleankmod: .PHONY
  90         rm -f a.out [Ee]rrs mklog core *.core \
  91                 ${PROG} ${OBJS} ${LOBJS} ${CLEANFILES}
  92
  93 ##### Custom rules
  94 lint: ${LOBJS}
  95 .if defined(LOBJS) && !empty(LOBJS)
  96         ${LINT} ${LINTFLAGS} ${LDFLAGS:C/-L[  ]*/-L/Wg:M-L*} ${LOBJS} ${LDADD}
  97 .endif
  98
  99 ##### Pull in related .mk logic
 100 LINKSOWN?= ${KMODULEOWN}
 101 LINKSGRP?= ${KMODULEGRP}
 102 LINKSMODE?= ${KMODULEMODE}
 103 .include <bsd.man.mk>
 104 .include <bsd.links.mk>
 105 .include <bsd.dep.mk>
 106
 107 .-include "$S/arch/${MACHINE_CPU}/include/Makefile.inc"
 108 .-include "$S/arch/${MACHINE}/include/Makefile.inc"