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2017-03-28oeqa: allow customizing image used by runqemu()Patrick Ohly
runqemu() takes all parameters for the virtual machine from the variables of the given recipe. By allowing the caller to provide a hash with variables that get applied locally, the caller gets more control. Here's the intended usage: <prepare internal-image in self.resultdir> overrides = { 'DEPLOY_DIR_IMAGE': self.resultdir, 'IMAGE_LINK_NAME': 'internal-image-%s' % self.image_arch, } with runqemu('refkit-installer-image', ssh=False, overrides=overrides) as qemu: .... This can be used to replace the image completely with something else or to copy it before allowing runqemu() to write into it. Signed-off-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-28oeqa: allow extending qemuparams="..."Patrick Ohly
Sometimes it is useful to reconfigure the qemu virtual machine directly. runqemu has the "qemuparams" parameter for that, and the underlying start() methods also supported modifying that via their "params" parameter. Only the runqemu() wrapper function lacked a way to specify additional parameters. One potential usage is to attach additional disks. Signed-off-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-28bitbake.conf: sort HOSTTOOLS and remove duplicatesAndre McCurdy
Cleanup only, no functional changes. Signed-off-by: Andre McCurdy <armccurdy@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-28oeqa: QEMU_USE_KVM can list machinesPatrick Ohly
Previously, QEMU_USE_KVM=True enabled the use of kvm only when "x86" was in the MACHINE name. That is too limiting, because for example intel-corei7-64 can also use kvm but it wasn't possible to enable that without changing OE-core. That traditional usage is still supported. In addition, QEMU_USE_KVM can be set to a list of space-separated MACHINE names for which kvm is to be enabled. Signed-off-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-28oeqa: tolerate interrupted select() while waiting for qemuPatrick Ohly
Sometimes, the OEQA utility code aborts with: ... File ".../meta/lib/oeqa/utils/qemurunner.py", line 131, in start return self.launch(launch_cmd, qemuparams=qemuparams, get_ip=get_ip, extra_bootparams=extra_bootparams) File ".../meta/lib/oeqa/utils/qemurunner.py", line 259, in launch sread, swrite, serror = select.select(socklist, [], [], 5) InterruptedError: [Errno 4] Interrupted system call strace shows that this is because of a SIGWINCH: Connection from 127.0.0.1:52668 select(21, [20], [], [], {5, 0}) = ? ERESTARTNOHAND (To be restarted if no handler) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- This is related to some special conditions: * whether qemu opens a graphical console window (enabled in Poky by default) * where that window gets opened * whether the window manager changes the size of the shell window (mine is a tiling window manager and reorders and resizes windows automatically) Ignoring the interrupted system calls avoids the problem. Code elsewhere (for example, run() in ssh.py) already does the same thing. Signed-off-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-28dnf: move the entire dnf/rpm4 stack to Python 3Alexander Kanavin
[YOCTO #11180] Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-28python3: do not hardcode "lib" into site-packages search pathAlexander Kanavin
This was not working in multilib or x32 setups and amazingly, was not noticed until now. The actual modification is in Lib/site.py, the rest is just devtool moving things around in the patch. Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-28insane.bbclass: error if file-rdeps not metStephano Cetola
Missing runtime dependencies should result in an error rather than a warning. Indeed, if RPM is listed in PACKAGE_CLASSES, it will throw an error rather than install packages with missing dependencies. This functionality should be consistent across package types. This patch ensures that an error will be thrown. [YOCTO #10949] Signed-off-by: Stephano Cetola <stephano.cetola@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-28devtool: open kconfig fragment in binary modeStephano Cetola
When devtool writes to the kconfig fragment, it writes the output of the diff command returned from pipe.communicate(). This function returns binary objects. We should open the kconfig fragment file in binary mode if we expect to write binary objects to it. [YOCTO #11171] Signed-off-by: Stephano Cetola <stephano.cetola@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-28eudev: restore userspace firmware loading supportLauren Post
This sycncs eudev with systemd. This is required for old kernels to work and does same backport as did in: ,---- | commit 31163abc7bedd477c1aad10e6d1f47dbee194513 | Author: Jonathan Liu <net147@gmail.com> | Date: Thu Mar 19 15:38:32 2015 +1100 | | systemd: restore userspace firmware loading support | | This changes the minimum required Linux version from 3.7 back to 3.0. | | [YOCTO #7409] | | Signed-off-by: Jonathan Liu <net147@gmail.com> | Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> `---- Signed-off-by: Lauren Post <lauren.post@nxp.com> Signed-off-by: Otavio Salvador <otavio@ossystems.com.br> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-28oeqa/core/loader.py: Do not import underscore modules by defaultMariano Lopez
Underscore modules are meant to be run only when manually added to the test suite, so far another mechanisms are in place to make this happen with runtime, sdk, and esdk (mostly in test* bbclasses). This will add such functionality in the core framework so other specific frameworks can take use this without adding something else. [YOCTO #10980] Signed-off-by: Mariano Lopez <mariano.lopez@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-27oeqa/selftest: don't use cleanall in selftestsJoshua Lock
* devtool: oeqa.selftest.devtool.DevtoolTests is taking 4 or more hours on the autobuilder because the cleanall call deletes the tarball of the kernel source, forcing a large clone which is especially long on an NFS mount. The cleanall invocation isn't really required here and switching to clean instead should avoid hours of re-cloning the same repository each time we run oe-selftest on the autobuilder. * buildoptions: We only need to ensure the first image isn't an incremental image, clean will suffice here. * runtime-test: no need to clean up the artefacts generated during the test, let's leave that to a higher level process rather than using the cleanall hammer. Signed-off-by: Joshua Lock <joshua.g.lock@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-27ifupdown: Fix initscriptDavid Vincent
ifupdown does not provide an initscript so this recipe should not inherit update-rc.d class. Instead, we rely on init-ifupdown recipe to startup networking. Signed-off-by: David Vincent <freesilicon@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-27rpm: change PROVIDES rpm-build to RPROVIDESRobert Yang
The rpm 5 has a rpm-build package, so here should use RPROVIDES rather than PROVIDES to keep compatibility. Signed-off-by: Robert Yang <liezhi.yang@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-27mesa: Add Etnaviv and i.MX Gallium backend PACKAGECONFIG optionsOtavio Salvador
The MESA 17.0 has Etnaviv and i.MX support. Expose them in PACKAGECONFIG for use. Signed-off-by: Otavio Salvador <otavio@ossystems.com.br> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-27mesa: Update to 17.0.2Otavio Salvador
This is a bugfix only release. ,---- | Bug fixes | | Bug 68504 - 9.2-rc1 workaround for clover build failure on ppc/altivec: cannot convert 'bool' to '__vector(4) __bool int' in return | Bug 97988 - [radeonsi] playing back videos with VDPAU exhibits deinterlacing/anti-aliasing issues not visible with VA-API | Bug 99484 - Crusader Kings 2 - Loading bars, siege bars, morale bars, etc. do not render correctly | Bug 99715 - Don't print: "Note: Buggy applications may crash, if they do please report to vendor" | Bug 100049 - "ralloc: Make sure ralloc() allocations match malloc()'s alignment." causes seg fault in 32bit build `---- Signed-off-by: Otavio Salvador <otavio@ossystems.com.br> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-27classes: Replace "if test" file tests with POSIX file testsRobert P. J. Day
In entire meta/classes/ directory, replace shell tests of the form "if test -? ..." with POSIX tests of the form "if [ -? ... Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-27wic: fix generation of partition UUIDEd Bartosh
Partition UUID for msdos partitioning is based on a 4 bytes long system identifier. Wic uses random number to generate system identifier. For the numbers starting with 0 partition uuid is shorter, which makes wic images non-bootable as kernel expects 8 charactest in PARTUUID parameter. Padded system identifier with '0' when generating partition UUID to make it always 8 characters long. This should fix the boot issue. Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-27autotools.bbclass: Replace "grep ... >/dev/null" with "grep -q"Robert P. J. Day
For aesthetic style reasons, use "grep -q" instead of ">/dev/null". Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26mdadm: update criteria to build with corosyncKai Kang
mdadm only works with corosync 2.x which provides header file corosync/cmap.h. If build mdadm with corosync 1.x, it fails with: | member.c:12:27: fatal error: corosync/cmap.h: No such file or directory | #include <corosync/cmap.h> | ^ Build with corosync only header file corosync/cmap.h exists. Ref: https://github.com/neilbrown/mdadm/blob/master/mdadm.h#L63 Signed-off-by: Kai Kang <kai.kang@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26scripts/wic: fix typoRobert Yang
roofs -> rootfs Signed-off-by: Robert Yang <liezhi.yang@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26runtime-test.py: fix typoRobert Yang
roofs -> rootfs. Signed-off-by: Robert Yang <liezhi.yang@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26image_types: perform fsck on created ext imageEnrico Jorns
When performing a file system check, the image created with mkfs will trigger Pass 3A ('Optimizing directories') which turns the file system into state "changed" (EXT2_FLAG_CHANGED). This will let fsck request a reboot by setting the return code flag "2". The result of this is that each ext-image built with oe-core will trigger a reboot during the first time an fsck is triggered. A common case where this might occur is when fsck detects having a future superblock write time. This always happens when booting a newly created ext4 rootfs with a target that does not have a recent time set. This patch moves the initial fsck run that performs the optimization from the target to the host system and thus prevents the target from performing an avoidable reboot. Signed-off-by: Enrico Jorns <ejo@pengutronix.de> Signed-off-by: Ulrich Ölmann <uol@pengutronix.de> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26oeqa.buildperf: limit the length of error outputMarkus Lehtonen
Limit the length of error logs to 40 lines. We don't need to show/archive thousands of lines of bitbake logs if an error occurs. Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26oeqa.utils.commands: limit runCmd exception outputMarkus Lehtonen
Make it possible to limit the length of output lines shown in runCmd exceptions. E.g when running bitbake we easily get thousands of lines of log output, where only the last few (tens) are interesting or relevant when an error occurs. Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26build-perf-test-wrapper.sh: store buildstats under git-notesMarkus Lehtonen
In order to dramatically reduce the data footprint of the result branches. This makes cloning/pulling result repositories a lot faster. Buildstats can still be accessed, when needed by doing git fetch refs/notes/buildstats/*:refs/notes/buildstats/* [YOCTO #10582] Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26scripts/oe-git-archive: implement --notesMarkus Lehtonen
Option for adding git-notes to the commit. [YOCTO #10582] Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26scripts/oe-git-archive: implement --excludeMarkus Lehtonen
May be used for excluding certain files from the commit. [YOCTO #10582] Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26scripts/oe-git-archive: fix pushingMarkus Lehtonen
Git arguments were badly laid out. Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26oe-build-perf-test: sum rusage in buildstatsMarkus Lehtonen
Instead of separate rusage and child rusage values, only store their sum value in buildstats. This is a big reduction in data footprint without really losing any interesting data. Also, utilize OrderedDict to order data more logically. [YOCTO #10582] Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26oe-build-perf-test: pack all buildstat in one fileMarkus Lehtonen
Write out all buildstats into one big json file, instead of using multiple per-measurement files. Individual buildstats will be indexed using "<test_name>.<measurement_name>" as the key. Also, changes the per-testcase working directories into temporary directories that will be removed after test execution as there are no more per-testcase data files to store permanently. [YOCTO #10582] Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26valgrind: correct the comparison logic in vg_regtestMaxin B. John
do_diffs in the vg_regtest script compares the actual test output against the expected test output and returns 0 if it matches. Previous upgrade modified the return value of do_diffs() and that resulted in ptest failures. [YOCTO #8471] Signed-off-by: Maxin B. John <maxin.john@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26valgrind: vg_regtest.in: fix perl scriptMaxin B. John
@PERL@ in vg_regtest.in causes recipe specific sysroot based perl to be present in the vg_regtest script, making it unusable in the target. Use /usr/bin/perl instead of @PERL@ to fix it. Signed-off-by: Maxin B. John <maxin.john@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26boost: various cleanupsRoss Burton
Re-order some assignments to be logically arranged. Remove the set -ex statements as they serve no purpose. Pass --debug-configuration to see what configuration steps boost is taking. Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26boost: port boost-python to Python 3Ross Burton
As Python 3 is the default Python version, change Boost to build against Python 3 instead of Python 2 if enabled. It's not simple to support both, so this means that support for building boost-python against Python 2 has been removed. This involves backporting a number of patches upstream to fix Python 3 support, and telling Boost precisely where to find the Python headers and libraries so that it doesn't try to invoke the host Python to determine these values. [ YOCTO #11104 ] Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26tzdata: update to 2017bArmin Kuster
Signed-off-by: Armin Kuster <akuster@mvista.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26tzcode: update to 2017bArmin Kuster
Briefly: Haiti has resumed DST. Changes to past and future time stamps Haiti resumed observance of DST in 2017. (Thanks to Steffen Thorsen.) Changes to past time stamps Liberia changed from -004430 to +00 on 1972-01-07, not 1972-05-01. Use "MMT" to abbreviate Liberia's time zone before 1972, as "-004430" is one byte over the POSIX limit. (Problem reported by Derick Rethans.) Signed-off-by: Armin Kuster <akuster@mvista.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26targetcontrol.py: use logger.info to replace of bb.noteRobert Yang
The bb.note prints multiple same lines when invoke this class again, but if we set mainlogger.propagate = False, nothing would be printed, according to logging's document: https://docs.python.org/3/library/logging.html Note If you attach a handler to a logger and one or more of its ancestors, it may emit the same record multiple times. In general, you should not need to attach a handler to more than one logger - if you just attach it to the appropriate logger which is highest in the logger hierarchy, then it will see all events logged by all descendant loggers, provided that their propagate setting is left set to True. A common scenario is to attach handlers only to the root logger, and to let propagation take care of the rest. We may need avoid using bb.note or bb.warn in oeqa since it attaches multiple log handlers which may cause confusions This patch only sets "mainlogger.propagate = False" in selftest/runqemu.py and use logger.info to replace bb.note in targetcontrol.py to minimize the impact. [YOCTO #10249] Signed-off-by: Robert Yang <liezhi.yang@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26selftest/runqemu.py: add it to test runqemuRobert Yang
Usage: $ oe-selftest -r runqemu Current test cases: $ runqemu nographic qemux86-64 $ runqemu nographic qemux86-64 ext4 $ runqemu nographic qemux86-64 iso $ runqemu nographic core-image-minimal $ runqemu nographic core-image-minimal vmdk $ runqemu nographic core-image-minimal vdi $ runqemu nographic tmp/deploy/images/qemux86-64 $ runqemu nographic tmp/deploy/images/qemux86-64 hddimg $ runqemu nographic qemux86-64 slirp $ runqemu nographic qemux86-64 slirp qcow2 $ runqemu nographic tmp/deploy/images/qemux86-64/core-image-minimal-qemux86-64.qemuboot.conf $ runqemu nographic tmp/deploy/images/qemux86-64/core-image-minimal-qemux86-64.ext4 Need more later: - Test initramfs - Test nfs - Test when set DEPLOY_DIR_IMAGE and OECORE_NATIVE_SYSROOT - And others which similate runqemu runs on SDK and eSDK. [YOCTO #10249] Signed-off-by: Robert Yang <liezhi.yang@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26qemurunner.py: fix handling of runqemuparamsChen Qi
The launch() doesn't need runqemuparams, we need handle it in start(). Signed-off-by: Chen Qi <Qi.Chen@windriver.com> Signed-off-by: Robert Yang <liezhi.yang@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26oeqa/targetcontrol.py: modify it to test runqemuRobert Yang
Modify the following files to test runqemu: targetcontrol.py utils/commands.py utils/qemurunner.py We need simulate how "runqemu" works in command line, so when test "runqemu", the targetcontrol.py, utils/commands.py and utils/qemurunner.py don't have to find the rootfs or set env vars. [YOCTO #10249] Signed-off-by: Robert Yang <liezhi.yang@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-26qemurunner: configurable timeout for run_serial()Patrick Ohly
Some commands might need to run longer than the default timeout of five seconds. If that occurred, run_serial() returned with a status code of zero (sic!) and no other indication of what went wrong. Now the timeout is configurable (with five still the default) and an explicit warning ("<<< run_serial(): command timed out after 5 seconds without output >>>") gets appended at the end of the data returned to the caller. While at it, the logic for checking for the timeout was updated a bit because both implementations could overshoot the timeout when entering select() right before the final deadline. Signed-off-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-25xserver-nodm-init: option to remove cursorTrevor Woerner
Add a PACKAGECONFIG option to allow the user to disable the mouse cursor/pointer in the X server. This might be useful where a touchscreen is used. Signed-off-by: Trevor Woerner <twoerner@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-24wic: use kernel_dir to find systemd-efi bootloaderEd Bartosh
Fixed test failure caused by using bootimg_dir path instead of kernel_dir to find systemd-efi bootloader: FAIL: test_systemd_bootdisk (oeqa.selftest.wic.Wic) ... FileNotFoundError: [Errno 2] No such file or directory: 'tmp/work/qemux86_64-poky-linux/core-image-minimal/1.0-r0/recipe-sysroot/usr/share' Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-23staging: Remove uninstalled dependencies from sysrootsRichard Purdie
Currently, if something is added to a sysroot, its hash remains unchanged, and it continues to be buildable, it doesn't get removed from the sysroot. This patch handles the case where something is removed from DEPENDS or [depends]. It does introduce its own issue where something could get removed even though some other task in parallel may have the same requirement. This case should be extrememly rare and fixing the more common DEPENDS removal is likely the bigger win though. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-23staging: Update extend_recipe_sysroot vardepsexclude after code changesRichard Purdie
Changed were made to the code but not reflected in vardepsexclude, fix this. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-23staging: Drop BB_SETSCENE_VERIFY_FUNCTION2Richard Purdie
The original description for this was: """ Since we clean out do_populate_sysroot if do_configure runs, don't allow do_populate_sysroot_setscene functions if we're going to run do_configure. """ With RSS, we don't need to clean do_populate_sysroot any more. Since we no longer do that, this function also has no purpose any longer and can also be removed. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-23staging: Drop do_configure clean prefuncRichard Purdie
With recipe specific sysroots its now pointless to do this, may as well save the cpu cycles. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-23staging: Drop BB_SETSCENE_VERIFY_FUNCTION since it was replacedRichard Purdie
BB_SETSCENE_VERIFY_FUNCTION2 replaced BB_SETSCENE_VERIFY_FUNCTION and due to our minimum bitbake requirements there is no point in retaining the older version any more. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-03-23musl: Fix issues in relative symlink creationAmarnath Valluri
Make use of lnr/ln -r while creating relative symlinks than guessing the relalive path. Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>