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<title>buildroot/package/liburcu, branch 2016.08</title>
<subtitle>OpenPOWER buildroot sources</subtitle>
<id>https://git.raptorcs.com/git/buildroot/atom?h=2016.08</id>
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<updated>2016-01-30T10:02:30+00:00</updated>
<entry>
<title>package, toolchain: remove BR2_TOOLCHAIN_HAS_GCC_BUG_* options</title>
<updated>2016-01-30T10:02:30+00:00</updated>
<author>
<name>Thomas Petazzoni</name>
<email>thomas.petazzoni@free-electrons.com</email>
</author>
<published>2016-01-29T23:24:50+00:00</published>
<link rel='alternate' type='text/html' href='https://git.raptorcs.com/git/buildroot/commit/?id=07bb65c657f1941fbb59cb3ca8ce1bf6aeac59f1'/>
<id>urn:sha1:07bb65c657f1941fbb59cb3ca8ce1bf6aeac59f1</id>
<content type='text'>
Quite some time ago, we added the options
BR2_TOOLCHAIN_HAS_GCC_BUG_58595 and BR2_TOOLCHAIN_HAS_GCC_BUG_58854 to
indicate if the toolchain was affected by those gcc bugs, which were
causing build failure with a number of packages.

With the recent change in the external toolchain logic to provide only
the latest version of each toolchain "family", all the toolchains
which were affected by those issues disappeared from Buildroot. Those
options are no longer being selected anywhere, and being blind
options, it means their value is always going to be "disabled".

Conquently, this commit removes those options completely, and updates
all the packages where they were used.

Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
Signed-off-by: Peter Korsgaard &lt;peter@korsgaard.com&gt;
</content>
</entry>
<entry>
<title>package/liburcu: introduce BR2_PACKAGE_LIBURCU_ARCH_SUPPORTS symbol</title>
<updated>2015-12-13T21:36:53+00:00</updated>
<author>
<name>Samuel Martin</name>
<email>s.martin49@gmail.com</email>
</author>
<published>2015-12-13T18:47:48+00:00</published>
<link rel='alternate' type='text/html' href='https://git.raptorcs.com/git/buildroot/commit/?id=f50bd3c0b80374fdbab37285e1d7670f4ea43f83'/>
<id>urn:sha1:f50bd3c0b80374fdbab37285e1d7670f4ea43f83</id>
<content type='text'>
This new hidden symbol will allow simplifying the architecture dependencies
on package that depends on liburcu. These packages will be updated in follow-up
patches.

Signed-off-by: Samuel Martin &lt;s.martin49@gmail.com&gt;
Reviewed-by: "Yann E. MORIN" &lt;yann.morin.1998@free.fr&gt;
Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>liburcu: Add support for aarch64</title>
<updated>2015-09-15T21:48:10+00:00</updated>
<author>
<name>Ben Shelton</name>
<email>benjamin.h.shelton@intel.com</email>
</author>
<published>2015-09-15T14:35:18+00:00</published>
<link rel='alternate' type='text/html' href='https://git.raptorcs.com/git/buildroot/commit/?id=0ae594247be21ce2836b774123eac68419e8e8e8'/>
<id>urn:sha1:0ae594247be21ce2836b774123eac68419e8e8e8</id>
<content type='text'>
Bring over a patch from OpenEmbedded to treat aarch64 like arm in the build
process, which allows the build to succeed.

Signed-off-by: Ben Shelton &lt;benjamin.h.shelton@intel.com&gt;
Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>liburcu: Bump version to 0.8.7</title>
<updated>2015-09-15T21:46:29+00:00</updated>
<author>
<name>Ben Shelton</name>
<email>benjamin.h.shelton@intel.com</email>
</author>
<published>2015-09-15T14:35:17+00:00</published>
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<id>urn:sha1:8a38963e267b7ffb57bef31501e7de4b2f5329aa</id>
<content type='text'>
Signed-off-by: Ben Shelton &lt;benjamin.h.shelton@intel.com&gt;
Reviewed-by: Vicente Olivert Riera &lt;Vincent.Riera@imgtec.com&gt;
Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>liburcu: bump to version 0.8.6</title>
<updated>2015-03-06T22:20:58+00:00</updated>
<author>
<name>Philippe Proulx</name>
<email>eeppeliteloop@gmail.com</email>
</author>
<published>2015-03-06T17:35:51+00:00</published>
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<id>urn:sha1:38a6552635e98cca09b75abc79c9f0e71cfdea20</id>
<content type='text'>
Signed-off-by: Philippe Proulx &lt;eeppeliteloop@gmail.com&gt;
Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>package/*: rename patches according to the new policy</title>
<updated>2015-02-03T13:52:56+00:00</updated>
<author>
<name>Peter Korsgaard</name>
<email>peter@korsgaard.com</email>
</author>
<published>2015-02-03T13:52:07+00:00</published>
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<id>urn:sha1:298cd8eaa21a21eee85f9551a26ad294347b1d5a</id>
<content type='text'>
Autogenerated from rename-patch.py (http://patchwork.ozlabs.org/patch/403345)

Signed-off-by: Samuel Martin &lt;s.martin49@gmail.com&gt;
Signed-off-by: Peter Korsgaard &lt;peter@korsgaard.com&gt;
</content>
</entry>
<entry>
<title>.mk files: bulk aligment and whitespace cleanup of assignments</title>
<updated>2014-10-07T13:00:28+00:00</updated>
<author>
<name>Thomas De Schampheleire</name>
<email>thomas.de.schampheleire@gmail.com</email>
</author>
<published>2014-10-07T07:06:03+00:00</published>
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<id>urn:sha1:f268f7131b9e0ef90f1135461a719d9f5292853e</id>
<content type='text'>
The Buildroot coding style defines one space around make assignments and
does not align the assignment symbols.

This patch does a bulk fix of offending packages. The package
infrastructures (or more in general assignments to calculated variable
names, like $(2)_FOO) are not touched.

Alignment of line continuation characters (\) is kept as-is.

The sed command used to do this replacement is:
find * -name "*.mk" | xargs sed -i \
    -e 's#^\([A-Z0-9a-z_]\+\)\s*\([?:+]\?=\)\s*$#\1 \2#'
    -e 's#^\([A-Z0-9a-z_]\+\)\s*\([?:+]\?=\)\s*\([^\\]\+\)$#\1 \2 \3#'
    -e 's#^\([A-Z0-9a-z_]\+\)\s*\([?:+]\?=\)\s*\([^\\ \t]\+\s*\\\)\s*$#\1 \2 \3#'
    -e 's#^\([A-Z0-9a-z_]\+\)\s*\([?:+]\?=\)\(\s*\\\)#\1 \2\3#'

Brief explanation of this command:
    ^\([A-Z0-9a-z_]\+\)     a regular variable at the beginning of the line
    \([?:+]\?=\)            any assignment character =, :=, ?=, +=
    \([^\\]\+\)             any string not containing a line continuation
    \([^\\ \t]\+\s*\\\)     string, optional whitespace, followed by a
                            line continuation character
    \(\s*\\\)               optional whitespace, followed by a line
                            continuation character

Hence, the first subexpression handles empty assignments, the second
handles regular assignments, the third handles regular assignments with
line continuation, and the fourth empty assignments with line
continuation.

This expression was tested on following test text: (initial tab not
included)

	FOO     = spaces before
	FOO     =   spaces before and after
	FOO	= tab before
	FOO	  = tab and spaces before
	FOO =	tab after
	FOO =	   tab and spaces after
	FOO =   	spaces and tab after
	FOO =    \
	FOO = bar \
	FOO = bar space    \
	FOO   =		   \
	GENIMAGE_DEPENDENCIES   = host-pkgconf libconfuse
	FOO     += spaces before
	FOO     ?=   spaces before and after
	FOO     :=
	FOO     =
	FOO	=
	FOO	  =
	FOO =
	   $(MAKE1) CROSS_COMPILE=$(TARGET_CROSS) -C
	AT91BOOTSTRAP3_DEFCONFIG = \
	AXEL_DISABLE_I18N=--i18n=0

After this bulk change, following manual fixups were done:
- fix line continuation alignment in cegui06 and spice (the sed
  expression leaves the number of whitespace between the value and line
  continuation character intact, but the whitespace before that could have
  changed, causing misalignment.
- qt5base was reverted, as this package uses extensive alignment which
  actually makes the code more readable.

Finally, the end result was manually reviewed.

Signed-off-by: Thomas De Schampheleire &lt;thomas.de.schampheleire@gmail.com&gt;
Cc: Yann E. Morin &lt;yann.morin.1998@free.fr&gt;
Cc: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
Signed-off-by: Peter Korsgaard &lt;peter@korsgaard.com&gt;
</content>
</entry>
<entry>
<title>package: remove the trailing slash sign from &lt;PKG&gt;_SITE variable</title>
<updated>2014-07-31T21:17:46+00:00</updated>
<author>
<name>Jerzy Grzegorek</name>
<email>jerzy.grzegorek@trzebnica.net</email>
</author>
<published>2014-07-31T08:46:58+00:00</published>
<link rel='alternate' type='text/html' href='https://git.raptorcs.com/git/buildroot/commit/?id=c7f4b964718bc5a3329bb730f59e24091ecbc7a2'/>
<id>urn:sha1:c7f4b964718bc5a3329bb730f59e24091ecbc7a2</id>
<content type='text'>
Since the trailing slash is stripped from $($(PKG)_SITE) by pkg-generic.mk:

$(call DOWNLOAD,$($(PKG)_SITE:/=)/$($(PKG)_SOURCE))

so it is redundant.
This patch removes it from $(PKG)_SITE variable for BR consistency.

Signed-off-by: Jerzy Grzegorek &lt;jerzy.grzegorek@trzebnica.net&gt;
Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>liburcu: bump version to 0.8.4</title>
<updated>2014-04-19T16:53:21+00:00</updated>
<author>
<name>Romain Naour</name>
<email>romain.naour@openwide.fr</email>
</author>
<published>2014-04-19T09:47:29+00:00</published>
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<id>urn:sha1:7e0b264d0725573c2d0b77bd775b9eab69440b3a</id>
<content type='text'>
Signed-off-by: Romain Naour &lt;romain.naour@openwide.fr&gt;
Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>liburcu: disable build with gcc-4.8.x on ARM</title>
<updated>2014-03-23T22:17:56+00:00</updated>
<author>
<name>Samuel Martin</name>
<email>s.martin49@gmail.com</email>
</author>
<published>2014-03-08T14:38:31+00:00</published>
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<id>urn:sha1:a1a86ebfbad1bcce471376ae74e42304553e725e</id>
<content type='text'>
Because of a gcc bug [1], liburcu checks for compiler version [2] and
stops the build prematurely if gcc-4.8.[0-2] is detected for ARM.

However a bug fix exists [3] and may be backported by ARM toolchain
providers; that's what is done in Buildroot [4] or Linaro [5].

So, this change:
- add a patch in liburcu to allow build with ARM gcc-4.8.2;
- adds a new hidden symbol to reflect the toolchain status with regard
  to this bug [1];
- and controls liburcu visibility.

However, a limitation of this is when the user is using a custom
toolchain; that's why the bug details have been added in the liburcu
help message.

[1] http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
[2] http://git.lttng.org/?p=userspace-rcu.git;a=commitdiff;h=4b79310
[3] http://gcc.gnu.org/viewcvs/gcc?view=revision&amp;revision=204665
[4] http://git.buildroot.net/buildroot/commit/?id=c443c2be1768ebbdcb76c55d0a08fd7c983488c8
[5] http://bazaar.launchpad.net/~linaro-toolchain-dev/gcc-linaro/4.8/revision/122147

[Peter: hide normal toolchain comment if bug, add comment explaining issue if bug]
Signed-off-by: Samuel Martin &lt;s.martin49@gmail.com&gt;
Signed-off-by: Peter Korsgaard &lt;peter@korsgaard.com&gt;
</content>
</entry>
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