games-emulation/dolphin-libretro-9999-r2 fails to build

[lucasmr]

Emerging (1 of 3) games-emulation/dolphin-libretro-9999-r2::abendbrot

• Fetching files in the background.
• To view fetch progress, run in another terminal:
• tail -f /var/log/emerge-fetch.log

Unpacking source...

• Fetching https://github.com/libretro/dolphin.git ...
  git fetch https://github.com/libretro/dolphin.git +HEAD:refs/git-r3/HEAD
  git symbolic-ref refs/git-r3/games-emulation/dolphin-libretro/0/main refs/git-r3/HEAD
• Fetching https://github.com/dolphin-emu/ext-win-qt.git ...
  git fetch https://github.com/dolphin-emu/ext-win-qt.git --prune +refs/heads/:refs/heads/ +refs/tags/:refs/tags/ +refs/notes/:refs/notes/ +HEAD:refs/git-r3/HEAD
  git update-ref --no-deref refs/git-r3/games-emulation/dolphin-libretro/0/Externals_Qt/main b344ea0961dba93a1a38502ac4cc77b981cfc681
• Checking out https://github.com/libretro/dolphin.git to /var/tmp/portage/games-emulation/dolphin-libretro-9999-r2/work/dolphin-libretro-9999 ...
  git checkout --quiet refs/git-r3/HEAD
  GIT update -->
  repository: https://github.com/libretro/dolphin.git
  at the commit: d61e5d3139a00859d6d1a126c1e46373bfa5a42d
• Checking out https://github.com/dolphin-emu/ext-win-qt.git to /var/tmp/portage/games-emulation/dolphin-libretro-9999-r2/work/dolphin-libretro-9999/Externals/Qt ...
  git checkout --quiet b344ea0961dba93a1a38502ac4cc77b981cfc681
  GIT update -->
  repository: https://github.com/dolphin-emu/ext-win-qt.git
  at the commit: b344ea0961dba93a1a38502ac4cc77b981cfc681

Source unpacked in /var/tmp/portage/games-emulation/dolphin-libretro-9999-r2/work
Preparing source in /var/tmp/portage/games-emulation/dolphin-libretro-9999-r2/work/dolphin-libretro-9999/Source/Core/DolphinLibretro ...
Source prepared.
Configuring source in /var/tmp/portage/games-emulation/dolphin-libretro-9999-r2/work/dolphin-libretro-9999/Source/Core/DolphinLibretro ...
Source configured.
Compiling source in /var/tmp/portage/games-emulation/dolphin-libretro-9999-r2/work/dolphin-libretro-9999/Source/Core/DolphinLibretro ...
make -j5 CC=x86_64-pc-linux-gnu-gcc CXX=x86_64-pc-linux-gnu-g++ HAVE_OPENGL_CORE=1 HAVE_VULKAN=0 STATIC_LINKING=0
make: *** No targets specified and no makefile found. Stop.

• ERROR: games-emulation/dolphin-libretro-9999-r2::abendbrot failed (compile phase):
• emake failed

[barbudreadmon]

FYI i'm maintaining a fork at https://github.com/barbudreadmon/abendbrot

NB : i don't maintain snapshots though