[PATCH wayland v3 1/3] wayland-egl: fail the symbol check if lib is missing

[Eric Engestrom]

On Monday, 2018-03-19 11:43:08 +0000, Emil Velikov wrote:
> On 19 March 2018 at 09:56, Pekka Paalanen <ppaalanen at gmail.com> wrote:
> > On Fri, 16 Mar 2018 16:18:57 +0000
> > Emil Velikov <emil.l.velikov at gmail.com> wrote:
> >
> >> On 16 March 2018 at 13:52, Pekka Paalanen <ppaalanen at gmail.com> wrote:
> >> > On Thu, 15 Mar 2018 14:30:27 +0000
> >> > Emil Velikov <emil.l.velikov at gmail.com> wrote:
> >> >
> >> >> From: Emil Velikov <emil.velikov at collabora.com>
> >> >>
> >> >> Based on a similar patch (in Mesa) by Eric Engestrom.
> >> >>
> >> >> v2: Rebase on top of $NM patch
> >> >> v3: Rebase
> >> >>
> >> >> Reviewed-by: Eric Engestrom <eric at engestrom.ch> (v1)
> >> >> Signed-off-by: Emil Velikov <emil.velikov at collabora.com>
> >> >> ---
> >> >>  egl/wayland-egl-symbols-check | 10 +++++++++-
> >> >>  1 file changed, 9 insertions(+), 1 deletion(-)
> >> >>
> >> >> diff --git a/egl/wayland-egl-symbols-check b/egl/wayland-egl-symbols-check
> >> >> index 6ad28f3..8b3d711 100755
> >> >> --- a/egl/wayland-egl-symbols-check
> >> >> +++ b/egl/wayland-egl-symbols-check
> >> >> @@ -1,6 +1,14 @@
> >> >>  #!/bin/sh
> >> >> +set -eu
> >> >>
> >> >> -FUNCS=$($NM -D --defined-only ${WAYLAND_EGL_LIB} | grep -o "T .*" | cut -c 3- | while read func; do
> >> >> +LIB=${WAYLAND_EGL_LIB}
> >> >> +
> >> >> +if [ ! -f "$LIB" ]; then
> >> >> +     echo "The test binary \"$LIB\" does no exist"
> >> >> +     exit 1
> >> >> +fi
> >> >> +
> >> >> +FUNCS=$($NM -D --defined-only $LIB | grep -o "T .*" | cut -c 3- | while read func; do
> >> >>  ( grep -q "^$func$" || echo $func )  <<EOF
> >> >>  wl_egl_window_resize
> >> >>  wl_egl_window_create
> >> >
> >> > Hi Emil,
> >> >
> >> > this patch makes distcheck fail with:
> >> >
> >> > The test binary "./egl/.libs/libwayland-egl.so" does no exist
> >> > FAIL egl/wayland-egl-symbols-check (exit status: 1)
> >> >
> >> Right - I was aiming to remove the bonkers envvar and forgot about
> >> this preexisting bug.
> >> Patch (to be applied before the series) coming in a second.
> >
> > Hi Emil,
> >
> > because this set of four patches no longer regresses, and I think they
> > very much need to be in the release, I have pushed them:
> >    f34af17..5f5945b  master -> master
> >
> > However, I did a quick test: I renamed wl_egl_window_resize() into
> > wl_egl_window_resize_uu() to try and trigger several kinds of errors:
> > symbol not present, extra symbol. The test suite still passes with
> > success.
> >
> > In egl/wayland-egl-symbols-check.log I have:
> >
> > ./egl/wayland-egl-symbols-check: line 11: NM: unbound variable
> >
> Seems like a 'fun' side-effect of the $NM patch. The series predates
> the patch by a week.
> First suggestion that comes to mind - use $(NM-nm}

yeah that would work, but I'm confused: what's the setup, why is NM
undefined? Both autotools and meson should be defining NM.

> 
> Eric any suggestions?
> 
> Thanks
> Emil