Re: How do I build Spidermonkey 76 on windows? Can anybody point me in the right direction

On Thursday, 7 May 2020 16:31:36 UTC+1, Andrew McCreight  wrote:
> On Thu, May 7, 2020 at 8:10 AM Miles <[email protected]> wrote:
> 
> > Hi everyone,
> >
> > We are trying to upgrade our Spidermonkey embedding (from a very old
> > version 1.8.5) to the latest version.
> > I have tried and failed to do this in the past as I just didn't have
> > enough time with other work commitments. The last time I tried was a year
> > or so ago, trying to upgrade to Spidermonkey 59 and I cracked a lot of the
> > problems.
> > Our team has now grown and I now have some help to try this again. In fact
> > one of my colleagues has already posted a question here trying to find out
> > information on what has changed between Spidermonkey 59 and 76...
> >
> > So I've downloaded spidermonkey 76 and successfully managed to build it
> > and run the tests on Linux. Great start :-)
> >
> > However I'm completely at a loss as to how to build Spidermonkey on
> > windows and I'm hoping someone can point me in the right direction...
> >
> > I downloaded mozillabuild from
> > https://ftp.mozilla.org/pub/mozilla/libraries/win32/MozillaBuildSetup-Latest.exe
> > and installed it. I have Visual Studio 2017 installed as well.
> >
> > In mozillabuild I then run the 'start-shell.bat' file to start the mingw32
> > environment and go to the directory where I have extracted the spidermonkey
> > source.
> > I then do the following to try to build a debug build
> > cd js/src
> > mkdir obj
> > cd obj
> > ../configure --prefix=xxxx --enable-debug --disable-optimize
> >
> > This fails very quickly with
> >
> > checking for vcs source checkout... no
> > checking for a shell... C:/mozilla-build-3.3/msys/bin/sh.exe
> > checking for host system type... x86_64-pc-mingw32
> > checking for target system type... x86_64-pc-mingw32
> > checking whether cross compiling... no
> > checking for yasm... c:/mozilla-build-3.3/bin/yasm.exe
> > checking yasm version... 1.3.0
> > checking for the target C compiler... not found
> > DEBUG: _cc: Trying clang-cl
> > DEBUG: _cc: Trying gcc
> > DEBUG: _cc: Trying clang
> > ERROR: Cannot find the target C compiler
> >
> > I tried adding '--target=x86_64-pc-mingw32 --host=x86_64-pc-mingw32' to
> > configure but that didn't help.
> >
> > How do I get the build environment to find/recognise VS2017?
> > Years ago mozillabuild used to have batch files like
> > 'start-shell-msvc2013-x64.bat'. The latest mozillabuild just has
> > 'start-shell.bat' so I don't understand how it finds the Visual Studio 2017
> > compilers (and it clearly doesn't!)
> >
> > I'm sure I'm being really stupid here and missing something obvious but
> > can anybody help?
> >
> 
> I don't know much about SpiderMonkey in particular, but Firefox uses Clang
> to build on Windows now, so I assume it won't work for the JS shell either.
> Maybe the generic Firefox build guide for Windows will help you get your
> build environment set up correctly.
> 
> https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Build_Instructions/Windows_Prerequisites
> 
> 
> > Assuming that I can sort this out, presumably I also need to install Rust
> > to compile Spidermonkey. For Linux I installed the standalone Rust 1.43.0
> > installer for platform 'x86_64-unknown-linux-gnu' from
> > https://forge.rust-lang.org/infra/other-installation-methods.html and it
> > all seemed to work.
> > Presumably for windows I need platform 'x86_64-pc-windows-msvc'
> >
> > If anybody can help with this I would be very grateful.
> >
> > Many thanks in advance.
> >
> > Miles
> > _______________________________________________
> > dev-tech-js-engine mailing list
> > [email protected]
> > https://lists.mozilla.org/listinfo/dev-tech-js-engine
> >

Thanks for the pointer. I've downloaded clang-cl and I'm now managing to make some progress.