Re: [PATCH] tests/docker: add flex and bison to emsdk-wasm64-cross

["Daniel P. Berrangé" <berrange@redhat.com>]

On Wed, Jun 24, 2026 at 06:40:24PM +0100, Alex Bennée wrote:
> Philippe Mathieu-Daudé <philmd@oss.qualcomm.com> writes:
> 
> > On 24/6/26 07:48, Brian Cain wrote:
> >> The hexagon idef-parser requires flex and bison as host build
> >> tools.  Add them to the emsdk-wasm64-cross container image so that
> >> wasm64 builds including hexagon-softmmu can find them.
> >> Link:
> >> https://lore.kernel.org/qemu-devel/CAJSP0QVk6wsOnPAspC4YfXRp90saKibQfD4Mk-44-RQo0k=z3w@mail.gmail.com/
> >> Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
> >> ---
> >>   tests/docker/dockerfiles/emsdk-wasm64-cross.docker | 2 ++
> >>   1 file changed, 2 insertions(+)
> >> diff --git a/tests/docker/dockerfiles/emsdk-wasm64-cross.docker
> >> b/tests/docker/dockerfiles/emsdk-wasm64-cross.docker
> >> index 8a924816f92..5debbc77d08 100644
> >> --- a/tests/docker/dockerfiles/emsdk-wasm64-cross.docker
> >> +++ b/tests/docker/dockerfiles/emsdk-wasm64-cross.docker
> >> @@ -19,7 +19,9 @@ ENV CXXFLAGS="$CFLAGS"
> >>   ENV LDFLAGS="-sWASM_BIGINT -sASYNCIFY=1 -L$TARGET/lib"
> >>   RUN apt-get update && apt-get install -y \
> >>       autoconf \
> >> +    bison \
> >>       build-essential \
> >> +    flex \
> >>       libglib2.0-dev \
> >>       libtool \
> >>       pkgconf \
> >
> > Maybe emsdk-wasm64 should have been added to lci-tool first.
> > (not your responsibility).
> 
> I don't think that will be easy on account of emsdk having to build a
> bunch of libraries to support building QEMU. If a distro provides a
> better cross environment for wasm64 then we could try.

Yeah, there's rather too much custom stuff going on in our emsdk
dockerfile to make it practical to add to lcitool.


With regards,
Daniel
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