Commits on Feb 26, 2024

1. load libEGL.so.1 and fallback to unversioned soname …

   After the GStreamer update in Servo, the nightly binaries
   have been failing to launch on linux distros unless
   `libegl1-mesa-dev` or the equivalent package is installed
   in the runtime environment.
   
   The binaries were loading before the GStreamer update was
   because the binary had a compile-time link to libEGL.so.1
   due to gstreamer-sys crate. Because of this compile-time
   link, the dlsym calls are able to succesfully load the
   functions pointers even though the previous dlopen('libEGL.so')
   call returned a NULL handle indicating failure.
   
   This patch makes surfman load `libEGL.so.1` first and
   fallback to `libEGL.so`. If neither are available, then
   the initialization panics, unlike the previous behavior
   where we silently succeed if the binary has a link to
   the libEGL shared object with the symbols for functions
   that are used at the runtime.
   
   Fixes #276.
   
   Signed-off-by: Mukilan Thiyagarajan <[email protected]>

   

   mukilan committed Feb 26, 2024
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