Dear Pascal, I have a question. I'm trying to build Tycho, and all pom's refer to the "packaging eclipse-plugin". What is this? Offline Maven gives error "Unknown packaging: eclipse-plugin". I suppose its source code is somewhere else outside Tycho.
Il 21/10/2015 03:46, Pascal Rapicault ha scritto: > Hi, > > I'm from the Eclipse community. I've been involved with Eclipse for > over 10y where I've contributed to the previous build mechanism and to > the Tycho based one. If you need, I can help shed some light on the > why of things so you can save time navigating this by yourself. > That said, I'm not familiar with the way fedora have done things (but > I know one of the maintainer of the Eclipse build there if we need > more details), though I assume they probably have to first white list > a number of bundles to bootstrap tycho, then build the pieces > originally white listed, and finally rebuild tycho and continue on. > > HTH > > Pascal > > On 15-10-20 01:06 PM, Markus Koschany wrote: >> Am 20.10.2015 um 12:58 schrieb Luca Vercelli: >>> I am not an expert with mh_make, however I see a problem here. >>> Eclipse build depends on Tycho, however Tycho build depends on both >>> Eclipse and Tycho itself! >> Indeed that is nasty. But it looks like the Fedora maintainers have >> solved this issue too. [1] We need to do something similar for Debian to >> break this circular dependency. >> >>> So, two problems: >>> (1) mh_make fails for both projects. >>> Markus, can you explain me how were you able to build the base >>> structure >>> of Eclipse without mh_make? I should do the same with Tycho. >> mh_make often chokes on bigger projects with a lot of unpackaged >> dependencies. I simply ignored as many dependencies as I could and you >> can find the end result in maven.rules and maven.ignoreRules. Then I >> used the current packaging for Eclipse as a template. It should be >> sufficient to start with a minimal debian/rules files. In the first >> phase we only have to modify the maven.* files and debian/control. For >> Tycho you can basically do the same. >> >> If you can answer the question why mh_make fails with Tycho, you will >> know what dependency we should package first. Just let me know what >> dependencies we need for Tycho and I can lend you a hand. >> >> >>> (2) How to build everything? >>> Fedora packagers were able to build just a tiny part of Tycho (a >>> "bootstrap"), then a tiny part of Eclipse, then Tycho, and at last >>> Eclipse. What about Debian? >> AFAIK they provide different build options. The bootstrap is one of them >> but otherwise Eclipse and Tycho build-depend on each other. I don't know >> how to solve this properly yet but I expect we will end up with doing >> something similar. Remember that the optimization step is always the >> last part, so feel free to solve this issue with the least amount of >> effort. >> >> Markus >> >> >> [1] http://pkgs.fedoraproject.org/cgit/tycho.git/tree/ >> >
