[OE-core] [PATCH 1/1] expat: upgrade to 2.2.2

[Burton, Ross]

I've filed a bug upstream about the failure on Debian 8:
https://github.com/libexpat/libexpat/issues/97

Defining XML_POOR_ENTROPY will allow expat to fall back to weak entropy on
hosts that don't have direct support for getrandom().

Ross

On 24 July 2017 at 11:20, Burton, Ross <ross.burton at intel.com> wrote:

> I didn't see that upgrade, but yes it will.
>
> expat 2.2.2 demands either getrandom() from glibc (2.25 onwards) or
> SYS_getrandom (not sure what glibc added this, but its not in Debian 8's
> 2.19.
>
> Ross
>
> On 22 July 2017 at 16:19, Khem Raj <raj.khem at gmail.com> wrote:
>
>> On Sat, Jul 22, 2017 at 2:24 AM, Burton, Ross <ross.burton at intel.com>
>> wrote:
>> >
>> > On 18 July 2017 at 07:01, Dengke Du <dengke.du at windriver.com> wrote:
>> >>
>> >>     using getrandom syscall on linux 3.17+, so when we compiling
>> >> expat-native
>> >>     on the kernel older than 3.17, that would be failed.
>> >
>> >
>> > It's failing on Debian 8, which is kernel 4.9.0:
>> >
>> > | ../expat-2.2.2/lib/xmlparse.c:56:3: error: #error You do not have
>> support
>> > for any sources of high quality entropy enabled. For end user security,
>> that
>> > is probably not what you want. Your options include: * Linux + glibc
>> >=2.25
>> > (getrandom): HAVE_GETRANDOM, * Linux + glibc <2.25 (syscall
>> SYS_getrandom):
>> > HAVE_SYSCALL_GETRANDOM, * BSD / macOS (arc4random_buf):
>> HAVE_ARC4RANDOM_BUF,
>> > * libbsd (arc4random_buf): HAVE_ARC4RANDOM_BUF + HAVE_LIBBSD, * Windows
>> > (RtlGenRandom): _WIN32. If insist on not using any of these, bypass this
>> > error by defining XML_POOR_ENTROPY; you have been warned. For CMake,
>> one way
>> > to pass the define is: cmake -DCMAKE_C_FLAGS="-pipe -O2
>> > -DHAVE_SYSCALL_GETRANDOM" . If you have reasons to patch this detection
>> code
>> > away or need changes to the build system, please open a bug. Thank you!
>> >
>> > (https://autobuilder.yocto.io/builders/nightly-ppc/builds/37
>> 9/steps/BuildImages/logs/stdio)
>> >
>> > I suspect the detection code is well and truly broken.
>> >
>>
>> I posted another patch doing this upgrade. I wonder if it has same
>> issue. it works on my 3.12 kernel based host.
>>
>> > Ross
>> >
>> > --
>> > _______________________________________________
>> > Openembedded-core mailing list
>> > Openembedded-core at lists.openembedded.org
>> > http://lists.openembedded.org/mailman/listinfo/openembedded-core
>> >
>>
>
>
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