[yocto] ClamAV PCRE support

[Tom Gibson]

Yes, I am using the recipe from meta-security. I have just double-checked this with "bitbake-layers show-recipes".

Regards,

Tom Gibson
C Software Limited

From: akuster808 <akuster808 at gmail.com>
Sent: 27 March 2018 16:04
To: Tom Gibson <tom.gibson at csoftware.co.uk>; yocto at yoctoproject.org
Subject: Re: [yocto] ClamAV PCRE support




On 03/27/2018 07:42 AM, Tom Gibson wrote:
Hi,

I am adding ClamAV to our custom image and have added the following to our main .bb file:

Are you using the recipe from meta-security ?

- Armin


IMAGE_INSTALL += " clamav clamav-daemon clamav-clamdscan"

When I run clamscan on our board I get a number of errors of the form "logical signature for ... uses PCREs but support is disabled, skipping" so the solution would appear to be to add PCRE support. In the ClamAV bitbake recipe I see there is a PACKAGECONFIG variable for PCRE, so to test if this is the solution I have added the following to my local.conf:

PACKAGECONFIG_append_pn-clamav = " pcre"

and have also added " libpcre2" before "clamav" in the IMAGE_INSTALL as above.

Unfortunately when I run bitbake I now get a configure error similar to the following:

configure: error: cannot locate libpcre2 or libpcre at <builddir>/tmp/work/armv7a-neon-poky-linux-gnueabi/clamav/0.99.3-r0/recipe-sysroot/usr/lib

I have attempted to solve this by creating a .bbappend file in my layer containing the following to try and force it to build libpcre first

                DEPENDS += " libpcre2"

however this has no effect on the error, I assume this may not be the way to solve the dependency problem.

Can anyone please advise what additional configuration is required to enable building of support for PCRE into ClamAV

Thanks in advance for your assistance!

Regards,

Tom Gibson
C Software Limited




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