On Fri, Jan 11, 2019 at 09:24:25AM +0900, Mike Hommey wrote: > Hi, > > Usual disclaimer: the following assumes this all sticks. > > I just landed bug 1515528 to autoland, which simplifies drastically how > to build Firefox for arm64 windows, from a x86/x86_64 windows machine. > > At the moment, this requires some extra manual steps over mach > bootstrap, because this doesn't work with clang-cl yet, and requires > some extra MSVC components. > > In the MSVC installer, choose the following extra components: > - Visual Studio C++ compiler and libraries for ARM64 > - Visual C++ ATL for ARM64 > - Visual C++ MFC for ARM64 > > (apologies if the names above don't match exactly what the installer > shows, I translated them from my Japanese installer) > > While we're here, you might find it useful to know that the build system > supports using Visual Studio Build Tools 2017, which is has a smaller > footprint than e.g. Visual Studio Community 2017. > > With all the above MSVC components installed, edit a mozconfig with the > following content: > ac_add_options --target=aarch64
Oh, forgot one more detail: you need to use nightly rust, and install the aarch64 rust target: rustup default nightly rustup target add aarch64-pc-windows-msvc Mike _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
