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Annotation of src/distrib/common/Makefile.minirootkmod, Revision 1.1

1.1     ! apb         1: #      $NetBSD$
        !             2: #
        !             3: # Makefile snippet to build a miniroot kernel module (e.g. miniroot.kmod)
        !             4: #
        !             5: # Required variables:
        !             6: #      NETBSDSRCDIR    top level of src tree (set by <bsd.own.mk>)
        !             7: #
        !             8: # Optional variables:
        !             9: #      MINIROOT        Basename of the kernel module to be created.
        !            10: #                      ".kmod" will be appended to get the file name.
        !            11: #                      [default: miniroot]
        !            12: #      RAMDISK         Basename of the ramdisk to be embedded in the
        !            13: #                      kernel module.  This is used as both a directory
        !            14: #                      name (${.CURDIR}/../ramdisks/${RAMDISK}) and
        !            15: #                      as a file name within the .OBJDIR of that
        !            16: #                      directory (${RAMDISK}.fs).  [default: ramdisk]
        !            17: #
        !            18:
        !            19: MINIROOT?=     miniroot
        !            20: RAMDISK?=      ramdisk
        !            21:
        !            22: .include <bsd.own.mk>
        !            23: .include "${.PARSEDIR}/Makefile.distrib"
        !            24:
        !            25: MKMAN=         no
        !            26: PROG=          ${MINIROOT}.kmod
        !            27:
        !            28: # SRCMOD is a skeleton version of miniroot.kmod, without an embedded ramdisk.
        !            29: # It should already have been created by "make install" in
        !            30: # .../sys/modules/miniroot, and its name includes literal "miniroot",
        !            31: # not variable ${MINIROOT}.
        !            32: #
        !            33: # DSTMOD is a copy of SRCMOD that is modified to include an embedded ramdisk.
        !            34: # It will be created by rules in this Makefile.
        !            35: #
        !            36: # RAMDISKFS is the ramdisk image to be included inside DSTMOD.  It should
        !            37: # already have been created by the Makefile in RAMDISKSRCDIR.
        !            38: #
        !            39: SRCMOD=                ${DESTDIR}/stand/${MACHINE}/${MODULEVER}/modules/miniroot/miniroot.kmod
        !            40: DSTMOD=                ${.OBJDIR}/${MINIROOT}.kmod
        !            41: RAMDISKSRCDIR= ${.CURDIR}/../ramdisks/${RAMDISK}
        !            42: RAMDISKOBJDIR!=        cd ${RAMDISKSRCDIR} && ${PRINTOBJDIR}
        !            43: RAMDISKFS=     ${RAMDISKOBJDIR}/${RAMDISK}.fs
        !            44:
        !            45: ${MINIROOT}.kmod:      ${RAMDISKFS} ${SRCMOD}
        !            46:                ${OBJCOPY} --add-section miniroot=${RAMDISKFS} \
        !            47:                    --set-section-flags miniroot=alloc,contents,load,data \
        !            48:                    ${SRCMOD} ${DSTMOD}.tmp
        !            49:                gzip -9nc < ${DSTMOD}.tmp > ${DSTMOD}
        !            50:                rm -f ${DSTMOD}.tmp
        !            51:
        !            52: .include <bsd.prog.mk>
        !            53:
        !            54: release:       ${PROG}
        !            55:                ${HOST_INSTALL_FILE} -m ${BINMODE} ${PROG}  \
        !            56:                    ${RELEASEDIR}/${RELEASEMACHINEDIR}/installation/miniroot/