Dear vpp-dev members,
I just submitted a patch to gerrit[1] which introduces significant improvement
in VPP build speed and also reduces complexity of the build system.
Number of autotools instances is reduced to one, and whole code is moved under
the src/
tree. That effectively means that autoconf is called only once, and build can be
much more parallelized due to the flat structure of the Makefiles.
Few plugins are migrated to the new tree, other will be moved later, mainly
because
we need to improve whole japi build process first.
New autoconf config is much more configurable, so different command line options
can be used to switch on/off specific components. Currently it looks like:
--enable-tests Enable unit tests
--enable-dpdk-shared Link dpdk with shared libs
--enable-perftool Enable perftool
--enable-g2 Enable g2
--disable-vlib Disable vlib and dependant libs and binaries
--disable-svm Disable svm and dependant libs and binaries
--with-dpdk-crypto Use DPDK cryptodev
--with-dpdk Use DPDK
--without-ipsec Disable IPSec
--without-ipv6sr Disable IPv6 SR
--without-apicli Disable binary api CLI
--disable-sixrd-plugin Do not build sixrd plugin
--disable-ila-plugin Do not build ila plugin
--disable-flowperpkt-plugin
Do not build flowperpkt plugin
Now whole vpp can be build outside of git tree, i.e.
mkdir ~/tmp/build
cd ~/tmp/build
~/src/vpp/src/configure
make
As this change is intrusive in the way that it moves all code to src/
please let me know if there is any issue with merging this patch.
Based on the gerrit activity, looks like this is the right time to do it…
Thanks and Happy Holidays!
Damjan
[1] https://gerrit.fd.io/r/#/c/4430/
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