On Mon 12. Mar 2018 at 20:19, Magnus Ihse Bursie < magnus.ihse.bur...@oracle.com> wrote:
> On 2018-03-12 17:13, Thomas Stüfe wrote: > > I wonder how much of the perceived difficulty of Windows as build platform > is really the fault of Visual Studio. I find it quite easy to install. > > But the required Cygwin install could be better documented: I have a text > file somewhere with all required packets, but I do not know if an official > documentation exists. > > doc/building.md? > > I quote: > > Apart from the basic Cygwin installation, the following packages must also > be > installed: > > * `autoconf` > * `make` > * `zip` > * `unzip` > > Often, you can install these packages using the following command line: > ``` > <path to Cygwin setup>/setup-x86_64 -q -P autoconf -P make -P unzip -P zip > ``` > > Nowadays, it's actually not more complicated than that. My personal > recommendation is btw to install apt-cyg ( > https://github.com/transcode-open/apt-cyg) to make package installation > even more "debian-like"; then you can just do "apt-cyg install autoconf > make unzip zip". I might turn this into an official recommendation by > including it in the build readme at some time. :-) > > I did not know that. Very interesting, will try. We should talk more often about these things :) ..Thomas > /Magnus > > > > Then there is the annoying freetype dependency, which soon will be history > thanks to Phil Race (8193017). > > Also, installing Visual Studio could be easier by making sure that we > always can build with the latest community version, early when it comes > out. Since it is not so easy to find community/express/whatever downloads > for earlier versions of Visual Studio. > > (Just my 5c). > > Best Regards, Thomas > > > > > On Mon, Mar 12, 2018 at 11:18 AM, Magnus Ihse Bursie < > magnus.ihse.bur...@oracle.com> wrote: > >> Hi Hendrik, >> >> This sounds like something that should be discussed on build-dev, rather >> than jdk-dev. >> >> Short answer to your question: There's no technical reason why it would >> not be possible to use clang or gcc on Windows. However, the code is full >> of assumptions that "compiling on Windows" == "compiling using the >> Microsoft toolchain", and it will certainly take a lot of effort to hunt >> all these down and fix them properly. >> >> Personally, I don't think it's worth the effort. It's unlikely that the >> resulting binary will have any significant change in performance (at least >> not any positive one), and it is likely to continuously break since people >> will be adding new code with the "windows" == "microsoft toolchain" >> assumption. >> >> Question: Is the Visual Studio Express ( >> https://www.visualstudio.com/vs/visual-studio-express/) such a hassle to >> install? >> >> /Magnus >> >> >> On 2018-03-06 12:17, Hendrik Schreiber wrote: >> >>> Hey, >>> >>> inspired by the recent news that Chrome ditched the Microsoft C++ >>> compiler and replaced it with gcc/clang ( >>> https://arstechnica.com/gadgets/2018/03/chrome-on-windows-ditches-microsofts-compiler-now-uses-clang/), >>> I’m wondering wether that’s possible and desirable for OpenJDK, too. >>> >>> From my point of view: Yes. >>> >>> Downloading, installing etc. Visual Studio is a major pain for anybody >>> usually working on another platform. Whenever I encounter a bug that’s >>> Windows specific, I pretty much always give up the idea to create a fix and >>> instead just report a bug. It’s just too much of a hassle to create a >>> working build environment. >>> >>> So has migrating to gcc/clang for Windows been evaluated? Is it an >>> option at all? Would it make things easier or harder? What do you think? >>> Besides ease of use, how would such a move affect performance? >>> >>> Cheers, >>> >>> -hendrik >>> >> >> > >