I'm all for a more generic solution. I haven't heard of using cross-arch build 
containers, so we can look into it. Any pointers would be welcome ☺

Thanks,
Juraj
From: Damjan Marion via Lists.Fd.Io <dmarion=me....@lists.fd.io>
Sent: Wednesday, October 30, 2019 2:40 PM
To: Stanislav Chlebec <stanislav.chle...@pantheon.tech>
Cc: vpp-dev@lists.fd.io
Subject: Re: [vpp-dev] Change in vpp[master]: ebuild: Cross compilation aarch64 
Ubuntu support

(resending with bogus email addresses removed, added vpp-dev)

Honestly, I don't see lot of value in this kind of cross-compilation support. 
VPP today is linked against lot of shared libraries provided by the current 
distro, so effectively you can cross-compile only for same distro, same 
version, just different target cpu.

What about using cross-arch build containers instead?



On 30 Oct 2019, at 14:10, Stanislav Chlebec 
<stanislav.chle...@pantheon.tech<mailto:stanislav.chle...@pantheon.tech>> wrote:

Hello Dave

I miss in the building procedure make install-ext-deps.
It could have been a reason why it failed.

Prerequisites:
-        You are on some x86_64 system
-        Uninstall previous versions of vpp-ext-deps (it could have been 
compiled for improper platform x86_64)
-        Clean VPP git repo (make clean -qfx)
-        git checkout 6be55648334308d4eaa4a02143b968720bb62078
-        git fetch "https://gerrit.fd.io/r/vpp"; refs/changes/35/21035/23 && git 
checkout FETCH_HEAD

Then please try:
make PLATFORM=aarch64-generic install-dep
make PLATFORM=aarch64-generic install-ext-deps
make PLATFORM=aarch64-generic pkg-deb

I repeated the procedure at my system – here is logs (if it helps...)
https://gist.github.com/stanislav-chlebec/3042a0eeb56819aea8217dfaf5e60647

Thanks
Stanislav

From: Dave Barach (Code Review) <ger...@fd.io<mailto:ger...@fd.io>>
Sent: Wednesday, October 30, 2019 1:00 PM
To: Juraj Linkeš 
<juraj.lin...@pantheon.tech<mailto:juraj.lin...@pantheon.tech>>; Stanislav 
Chlebec 
<stanislav.chle...@pantheon.tech<mailto:stanislav.chle...@pantheon.tech>>
Cc: fd.io<http://fd.io/> JJB 
<jobbuil...@projectrotterdam.info<mailto:jobbuil...@projectrotterdam.info>>; 
Nitin Saxena <nsax...@marvell.com<mailto:nsax...@marvell.com>>; Vratko Polak 
<vrpo...@cisco.com<mailto:vrpo...@cisco.com>>; Ed Kern 
<e...@cisco.com<mailto:e...@cisco.com>>
Subject: Change in vpp[master]: ebuild: Cross compilation aarch64 Ubuntu support

Downloaded the patch, tried "make install-dep" followed by "make 
PLATFORM=aarch64-generic build". First, is that the right way to cross-compile 
an aarch64 debug binary?
Aside: "make PLATFORM=aarch64-generic install dep" fails:

.8 kB]
Ign:27 http://security.ubuntu.com/ubuntu bionic-security/universe arm64 Packages
Ign:30 http://security.ubuntu.com/ubuntu bionic-security/multiverse arm64 
Packages
Err:23 http://security.ubuntu.com/ubuntu bionic-security/main arm64 Packages
  404  Not Found [IP: 91.189.88.149 80]
Ign:24 http://security.ubuntu.com/ubuntu bionic-security/restricted arm64 
Packages
Ign:27 http://security.ubuntu.com/ubuntu bionic-security/universe arm64 Packages
Ign:30 http://security.ubuntu.com/ubuntu bionic-security/multiverse arm64 
Packages
Fetched 53.5 kB in 4s (14.2 kB/s)
Reading package lists... Done
E: Failed to fetch 
http://us.archive.ubuntu.com/ubuntu/dists/bionic/main/binary-arm64/Packages  
404  Not Found [IP: 91.189.91.14 80]
E: Failed to fetch 
http://us.archive.ubuntu.com/ubuntu/dists/bionic-updates/main/binary-arm64/Packages
  404  Not Found [IP: 91.189.91.14 80]
E: Failed to fetch 
http://security.ubuntu.com/ubuntu/dists/bionic-security/main/binary-arm64/Packages
  404  Not Found [IP: 91.189.88.149 80]
E: Failed to fetch 
http://us.archive.ubuntu.com/ubuntu/dists/bionic-backports/main/binary-arm64/Packages
  404  Not Found [IP: 91.189.91.14 80]
E: Some index files failed to download. They have been ignored, or old ones 
used instead.
Makefile:310: recipe for target 'install-dep' failed
The vpp compile attempt fails:

-- Performing Test HAVE_MEMFD_CREATE - Success
-- Performing Test HAVE_GETCPU
-- Performing Test HAVE_GETCPU - Failed
CMake Error at cmake/misc.cmake:27 (_message):
  Could NOT find OpenSSL, try to set the path to OpenSSL root folder
  in the system variable OPENSSL_ROOT_DIR (missing: OPENSSL_CRYPTO_LIBRARY)
  (found version "1.1.1d")
Enough said.
View Change<https://gerrit.fd.io/r/c/vpp/+/21035>
To view, visit change 21035<https://gerrit.fd.io/r/c/vpp/+/21035>. To 
unsubscribe, or for help writing mail filters, visit 
settings<https://gerrit.fd.io/r/settings>.
Gerrit-Project: vpp
Gerrit-Branch: master
Gerrit-Change-Id: I66cb57f60d1488a459a74964ea65f2502e4633f6
Gerrit-Change-Number: 21035
Gerrit-PatchSet: 23
Gerrit-Owner: Juraj Linkeš 
<juraj.lin...@pantheon.tech<mailto:juraj.lin...@pantheon.tech>>
Gerrit-Assignee: Damjan Marion <dmar...@me.com<mailto:dmar...@me.com>>
Gerrit-Reviewer: Damjan Marion <dmar...@me.com<mailto:dmar...@me.com>>
Gerrit-Reviewer: Dave Barach <open...@barachs.net<mailto:open...@barachs.net>>
Gerrit-Reviewer: Ed Kern <e...@cisco.com<mailto:e...@cisco.com>>
Gerrit-Reviewer: Juraj Linkeš 
<juraj.lin...@pantheon.tech<mailto:juraj.lin...@pantheon.tech>>
Gerrit-Reviewer: Nitin Saxena <nsax...@marvell.com<mailto:nsax...@marvell.com>>
Gerrit-Reviewer: Stanislav Chlebec 
<stanislav.chle...@pantheon.tech<mailto:stanislav.chle...@pantheon.tech>>
Gerrit-Reviewer: Vratko Polak <vrpo...@cisco.com<mailto:vrpo...@cisco.com>>
Gerrit-Reviewer: fd.io<http://fd.io/> JJB 
<jobbuil...@projectrotterdam.info<mailto:jobbuil...@projectrotterdam.info>>
Gerrit-Comment-Date: Wed, 30 Oct 2019 11:59:11 +0000
Gerrit-HasComments: No
Gerrit-Has-Labels: No
Gerrit-MessageType: comment

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