Salikh Zakirov wrote: > Geir Magnusson Jr wrote: >> What I don't understand is the "motivation" or the "theory" behind how >> and why it was done. I'm hoping that if I grok that, all will fall into >> place for me and with that different perspective, I might find it easier >> to work with. > > The two main requirements behind the design of this build system were > 1. Unify the build system for the class library and VM
But we can *easily* do that simply by having a top level script first invoke the DRLVM build, and then the classlibrary (or whatever order is approrpros...) > 2. Do not use Cygwin for the build on Windows That's fine, although at some point, someone will hopefully make that work too. > > (and a number of other reasonable requirements > 3. incremental build > 4. tracking C++ dependencies > 5. keeping platform-specific configuration in a compact and readable form) Ok > >> As I understand it, it's really a "meta build" system, as it's purpose >> seems to be to create the actual ant scripts that execute to do the >> work. Why? > > (less sure about this one) > As far as I understand, the trick with preprocessing XML files allows to keep > platform-specific configuration compactly in one readable file. > And by the way, the XML transformation (what you call "meta build" system) is > only limited to filtering XML fragments based on the detected platform. Hm. I thought it was more than that given the eventual creations of the massive file, build.tmp.xml > >> Also, it doesn't use 'make' for building the C/C++ code. Why? > > Using GNU make leads to requirement to have GNU tools on Windows (contradicts > requirement (2) above) > NMAKE cannot be used since it is not available on the Linux. We seem to do ok w/ classlib though...? > Moreover, <cctask> from Ant-contrib is not bad in tracking dependencies > and running various kinds of compilers. > > We used GNU Make for some time while preparing DRLVM contribution, > but moved on to Ant-based system later because of requirements (1), (2). Ok, thanks. > > -- > Salikh Zakirov, Intel Middleware Products Division > > --------------------------------------------------------------------- > Terms of use : http://incubator.apache.org/harmony/mailing.html > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- Terms of use : http://incubator.apache.org/harmony/mailing.html To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
