From: Graeme Gregory <dp@xora.org.uk>
To: Khem Raj <raj.khem@gmail.com>
Cc: openembedded-devel@openembedded.org
Subject: Re: klibc problems
Date: Thu, 02 Apr 2009 10:44:28 +0100 [thread overview]
Message-ID: <49D488FC.3080803@xora.org.uk> (raw)
In-Reply-To: <200904012342.38417.raj.khem@gmail.com>
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Khem Raj wrote:
> On Wednesday 01 April 2009 05:03:59 Graeme Gregory wrote:
>
>> Ok, its no mystery to some people that klibc has problems with modern
>> kernels.
>>
>> But I think we also have a problem with the package in OE. Seeing as
>> klibc is machine dependent in that it includes mach-XXX/include/mach/*.h
>> files it really should not be staged as part of the base arch. I think
>> we need to stage it into ${MACHINE_ARCH} the same was as the kernel is.
>>
>> We can then work on fixing the application compiles.
>>
>
> How much work this would be.
>
>
Not sure, in theory its a new variable KLIBC_STAGING_DIR and a different
do_stage(), I guess this could be hidden in a klibc.bbclass.
>> I think I have a
>> suitable hack.
>>
>
> post it.
>
Attaching the changes to this message, they arent 100% complete but
should give an indication where I was going with them.
Basic workings of the hack are use the kernel Makefile to kick out what
machine the kernel was configured for. Then link that machine in the
include/ hierarchy of klibc.
Graeme
require klibc-common.inc
SRC_URI += "file://staging.patch;patch=1 \
file://klibc_kexecsyscall.patch;patch=1 \
"
PACKAGE_ARCH = "${MACHINE_ARCH}"
# we want only the shared programms and the lib so we chose them manually
do_install() {
install -d ${D}${base_bindir}
install -m 755 usr/dash/sh.shared ${D}${base_bindir}/sh
install -m 755 usr/gzip/gzip ${D}${base_bindir}
install -m 755 usr/kinit/kinit.shared ${D}${base_bindir}/kinit
install -m 755 usr/kinit/fstype/shared/fstype ${D}${base_bindir}
install -m 755 usr/kinit/ipconfig/shared/ipconfig ${D}${base_bindir}
install -m 755 usr/kinit/nfsmount/shared/nfsmount ${D}${base_bindir}
install -m 755 usr/kinit/resume/shared/resume ${D}${base_bindir}
install -m 755 usr/kinit/run-init/shared/run-init ${D}${base_bindir}
install -m 755 usr/utils/shared/cat ${D}${base_bindir}
install -m 755 usr/utils/shared/chroot ${D}${base_bindir}
install -m 755 usr/utils/shared/cpio ${D}${base_bindir}
install -m 755 usr/utils/shared/dd ${D}${base_bindir}
install -m 755 usr/utils/shared/false ${D}${base_bindir}
install -m 755 usr/utils/shared/halt ${D}${base_bindir}
install -m 755 usr/utils/shared/insmod ${D}${base_bindir}
install -m 755 usr/utils/shared/kill ${D}${base_bindir}
install -m 755 usr/utils/shared/ln ${D}${base_bindir}
install -m 755 usr/utils/shared/minips ${D}${base_bindir}
install -m 755 usr/utils/shared/mkdir ${D}${base_bindir}
install -m 755 usr/utils/shared/mkfifo ${D}${base_bindir}
install -m 755 usr/utils/shared/mknod ${D}${base_bindir}
install -m 755 usr/utils/shared/mount ${D}${base_bindir}
install -m 755 usr/utils/shared/nuke ${D}${base_bindir}
install -m 755 usr/utils/shared/pivot_root ${D}${base_bindir}
install -m 755 usr/utils/shared/poweroff ${D}${base_bindir}
install -m 755 usr/utils/shared/readlink ${D}${base_bindir}
install -m 755 usr/utils/shared/reboot ${D}${base_bindir}
install -m 755 usr/utils/shared/sleep ${D}${base_bindir}
install -m 755 usr/utils/shared/true ${D}${base_bindir}
install -m 755 usr/utils/shared/umount ${D}${base_bindir}
install -m 755 usr/utils/shared/uname ${D}${base_bindir}
install -m 755 usr/utils/shared/modprobe ${D}${base_bindir}
install -m 755 usr/utils/shared/losetup ${D}${base_bindir}
install -m 755 usr/utils/shared/wc ${D}${base_bindir}
install -d ${D}${base_libdir}
install -m 755 usr/klibc/klibc-*.so ${D}${base_libdir}
cd ${D}${base_libdir}
ln -s klibc-*.so klibc.so
cd -
cd ${D}${base_bindir}
ln -s gzip gunzip
ln -s gzip zcat
cd -
}
export INST=${STAGING_DIR_TARGET}
do_stage() {
oe_runmake install
cp '${STAGING_DIR_TARGET}/bin/klcc' '${CROSS_DIR}/bin/${TARGET_PREFIX}klcc'
KLIBC_MACHINE=`cat machine.tmp`
ln -fs ${STAGING_KERNEL_DIR}/arch/${KLIBC_ARCH}/$KLIBC_MACHINE/include/mach ${D}${base_libdir}/klibc/include/mach
}
PACKAGES = "${PN} klibc-utils-sh klibc-utils-kinit \
klibc-utils-fstype klibc-utils-ipconfig \
klibc-utils-nfsmount klibc-utils-resume \
klibc-utils-run-init klibc-utils-cat \
klibc-utils-chroot klibc-utils-cpio \
klibc-utils-dd klibc-utils-false \
klibc-utils-halt klibc-utils-insmod \
klibc-utils-kill klibc-utils-ln \
klibc-utils-minips klibc-utils-mkdir \
klibc-utils-mkfifo klibc-utils-mknod \
klibc-utils-mount klibc-utils-nuke \
klibc-utils-pivot-root klibc-utils-poweroff \
klibc-utils-readlink klibc-utils-reboot \
klibc-utils-sleep klibc-utils-true \
klibc-utils-umount klibc-utils-uname \
klibc-utils-gzip klibc-utils-modprobe \
klibc-utils-losetup klibc-utils-wc"
FILES_${PN} = "${base_libdir}/klibc*.so"
FILES_klibc-utils-sh = "${base_bindir}/sh"
FILES_klibc-utils-gzip = "${base_bindir}/gzip ${base_bindir}/gunzip ${base_bindir}/zcat"
FILES_klibc-utils-kinit = "${base_bindir}/kinit"
FILES_klibc-utils-fstype = "${base_bindir}/fstype"
FILES_klibc-utils-ipconfig = "${base_bindir}/ipconfig"
FILES_klibc-utils-nfsmount = "${base_bindir}/nfsmount"
FILES_klibc-utils-resume = "${base_bindir}/resume"
FILES_klibc-utils-run-init = "${base_bindir}/run-init"
FILES_klibc-utils-cat = "${base_bindir}/cat"
FILES_klibc-utils-chroot = "${base_bindir}/chroot"
FILES_klibc-utils-cpio = "${base_bindir}/cpio"
FILES_klibc-utils-dd = "${base_bindir}/dd"
FILES_klibc-utils-false = "${base_bindir}/false"
FILES_klibc-utils-halt = "${base_bindir}/halt"
FILES_klibc-utils-insmod = "${base_bindir}/insmod"
FILES_klibc-utils-kill = "${base_bindir}/kill"
FILES_klibc-utils-ln = "${base_bindir}/ln"
FILES_klibc-utils-minips = "${base_bindir}/minips"
FILES_klibc-utils-mkdir = "${base_bindir}/mkdir"
FILES_klibc-utils-mkfifo = "${base_bindir}/mkfifo"
FILES_klibc-utils-mknod = "${base_bindir}/mknod"
FILES_klibc-utils-mount = "${base_bindir}/mount"
FILES_klibc-utils-nuke = "${base_bindir}/nuke"
FILES_klibc-utils-pivot-root = "${base_bindir}/pivot_root"
FILES_klibc-utils-poweroff = "${base_bindir}/poweroff"
FILES_klibc-utils-readlink = "${base_bindir}/readlink"
FILES_klibc-utils-reboot = "${base_bindir}/reboot"
FILES_klibc-utils-sleep = "${base_bindir}/sleep"
FILES_klibc-utils-true = "${base_bindir}/true"
FILES_klibc-utils-umount = "${base_bindir}/umount"
FILES_klibc-utils-uname = "${base_bindir}/uname"
FILES_klibc-utils-modprobe = "${base_bindir}/modprobe"
FILES_klibc-utils-losetup = "${base_bindir}/losetup"
FILES_klibc-utils-wc = "${base_bindir}/wc"
# Yes we want exactly the klibc that was compiled with the utils
RDEPENDS_klibc-utils-sh = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-kinit = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-fstype = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-ipconfig = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-nfsmount = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-resume = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-run-init = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-cat = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-chroot = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-cpio = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-dd = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-false = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-halt = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-insmod = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-kill = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-ln = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-minips = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-mkdir = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-mkfifo = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-mknod = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-mount = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-nuke = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-pivot-root = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-poweroff = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-readlink = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-reboot = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-sleep = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-true = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-umount = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-uname = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-modprobe = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-losetup = "${PN} (=${PV}-${PR})"
RDEPENDS_klibc-utils-wc = "${PN} (=${PV}-${PR})"
DEPENDS = "virtual/kernel perl-native"
SECTION = "libs"
DESCRIPTION = "klibc is intended to be a minimalistic libc subset for \
use with initramfs. It is deliberately written for small size, \
minimal entaglement, and portability, not speed."
LICENSE = "BSD-ADV"
SRC_URI = "${KERNELORG_MIRROR}/pub/linux/libs/klibc/Stable/klibc-${PV}.tar.bz2 \
file://fstype-sane-vfat-and-jffs2-for-1.5.patch;patch=1 \
file://modprobe.patch;patch=1 \
file://losetup.patch;patch=1 \
file://dash_readopt.patch;patch=1 \
file://wc.patch;patch=1 \
file://Makefile.klibc \
"
S = "${WORKDIR}/klibc-${PV}"
PACKAGE_ARCH = "${MACHINE_ARCH}"
KLIBC_ARCH = '${TARGET_ARCH}'
KLIBC_ARCH_armeb = 'arm'
KLIBC_ARCH_mipsel = 'mips'
KLIBC_ARCH_x86 = 'i386'
KLIBC_ARCH_i486 = 'i386'
KLIBC_ARCH_i586 = 'i386'
KLIBC_ARCH_i686 = 'i386'
KLIBC_ARCH_pentium = 'i386'
# the klibc code contains ARM instructions (for ARM), this
# could be fixed, but for the moment:
ARM_INSTRUCTION_SET = "arm"
SRC_URI_append_linux-gnueabi = "file://klibc-config-eabi.patch;patch=1 \
"
SRC_URI_append_linux-uclibcgnueabi = "file://klibc-config-eabi.patch;patch=1 \
"
EXTRA_OEMAKE = "'KLIBCARCH=${KLIBC_ARCH}' \
'CROSS_COMPILE=${TARGET_PREFIX}' \
"
do_configure () {
ln -sf ${STAGING_KERNEL_DIR} linux
cd linux
ARCH=${KLIBC_ARCH} KBUILD_EXTMOD=1 make -f ${WORKDIR}/Makefile.klibc klibc >${S}/machine.tmp
cd ${S}
}
include Makefile
include/config/auto.conf:
PHONY = klibc
klibc :
@echo mach-$(machine-y)
next prev parent reply other threads:[~2009-04-02 9:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-01 12:03 klibc problems Graeme Gregory
2009-04-02 6:42 ` Khem Raj
2009-04-02 9:44 ` Graeme Gregory [this message]
2009-04-02 12:10 ` Jeremy Lainé
2009-04-21 9:18 ` Koen Kooi
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