Hi, I got a couple of depending compilation errors...
Top of the stack seems to a problem with mpv / libav. From the build.lg: Setting top to : /var/tmp/portage/media-video/mpv-9999/work/mpv-9999 Setting out to : /var/tmp/portage/media-video/mpv-9999/work/mpv-9999/build Checking for waf version in 1.8.4-2.0.0 : ok Checking for program 'cc' : x86_64-pc-linux-gnu-gcc Checking for program 'pkg-config' : x86_64-pc-linux-gnu-pkg-config Checking for program 'ar' : x86_64-pc-linux-gnu-ar Checking for program 'rst2html' : /usr/bin/rst2html.py Checking for program 'rst2man' : /usr/bin/rst2man.py Checking for program 'rst2pdf' : /usr/bin/rst2pdf Checking for program 'windres' : not found Checking for program 'perl' : /usr/bin/perl Checking for 'gcc' (C compiler) : x86_64-pc-linux-gnu-gcc Detected target OS: : os-linux Checking for compiler flags -Werror=implicit-function-declaration : yes Checking for compiler flags -Wno-error=deprecated-declarations : yes Checking for compiler flags -Wno-error=unused-function : yes Checking for compiler flags -Wempty-body : yes Checking for compiler flags -Wdisabled-optimization : yes Checking for compiler flags -Wstrict-prototypes : yes Checking for compiler flags -Wno-format-zero-length : yes Checking for compiler flags -Werror=format-security : yes Checking for compiler flags -Wno-redundant-decls : yes Checking for compiler flags -Wvla : yes Checking for LGPL (version 2.1 or later) build : disabled Checking for GPL (version 2 or later) build : yes Checking for internal audio filter chain : yes Checking for mpv CLI player : yes Checking for shared library : disabled Checking for static library : disabled Checking for static build : disabled Checking for whether to include binary compile time : yes Checking for whether to optimize : disabled Checking for whether to compile-in debugging information : disabled Checking for manpage generation : yes Checking for html manual generation : yes Checking for pdf manual generation : yes Checking for dynamic loader : yes Checking for C plugins : yes Checking for zsh completion : yes Checking for inline assembly (currently without effect) : yes Checking for test suite (using cmocka) : disabled Checking for generate a clang compilation database : disabled Checking for compiler support for noexecstack : yes Checking for linker support for --nxcompat --no-seh --dynamicbase : no Checking for -lm : yes Checking for MinGW : os-win32 not found Checking for POSIX environment : yes Checking for Android environment : disabled Checking for development environment : yes Checking for Universal Windows Platform : disabled Checking for win32 desktop APIs : os-win32 not found Checking for internal pthread wrapper for win32 (Vista+) : posix found Checking for POSIX threads : yes Checking for GNU C extensions : yes Checking for stdatomic.h : yes Checking for stdatomic.h support or slow emulation : yes Checking for linking with -lrt : yes Checking for iconv : yes Checking for w32/dos paths : os-win32 not found Checking for termios : yes Checking for shm : yes Checking for nanosleep : yes Checking for spawnp()/kill() POSIX support : yes Checking for spawnp()/kill() Android replacement : posix-spawn-native found Checking for any spawnp()/kill() support : yes Checking for Windows pipe support : posix found Checking for glob() POSIX support : yes Checking for glob() win32 replacement : posix found Checking for any glob() support : yes Checking for fchmod() : yes Checking for vt.h : yes Checking for gbm.h : yes Checking for GLIBC API for setting thread name : yes Checking for OSX API for setting thread name : glibc-thread-name found Checking for BSD API for setting thread name : glibc-thread-name found Checking for BSD's fstatfs() : no Checking for Linux's fstatfs() : yes Checking for Samba support (makes mpv GPLv3) : disabled Checking for Lua : yes (version found: luajit) Checking for Javascript (MuJS backend) : disabled Checking for SSA/ASS support : yes Checking for libass OSD support : yes Checking for dummy OSD support : libass-osd found Checking for zlib : yes Checking for Encoding : yes Checking for Bluray support : disabled Checking for dvdread support : yes Checking for dvdnav support : yes Checking for DVD/IFO support : yes Checking for cdda support (libcdio) : yes Checking for uchardet support : yes Checking for librubberband support : disabled Checking for LCMS2 support : disabled Checking for VapourSynth filter bridge (Python) : disabled Checking for VapourSynth filter bridge (Lazy Lua) : disabled Checking for VapourSynth filter bridge (core) : vapoursynth not found Checking for libarchive wrapper for reading zip files and more : yes Checking for SDL2 : disabled Checking for SDL (1.x) : disabled Checking for OSS : disabled Checking for RSound audio output : disabled Checking for sndio audio input/output : disabled Checking for PulseAudio audio output : disabled Checking for JACK audio output : yes Checking for OpenAL audio output : disabled Checking for OpenSL ES audio output : disabled Checking for ALSA audio output : yes Checking for CoreAudio audio output : disabled Checking for AudioUnit output for iOS : no Checking for WASAPI audio output : os-win32 not found Checking for Cocoa : disabled Checking for DRM : yes Checking for DRM Prime ffmpeg support : yes Checking for GBM : disabled Checking for wayland-scanner : no Checking for wayland-protocols : no ('wayland-protocols' not found) Checking for Wayland : disabled Checking for X11 : yes Checking for Xv video output : yes Checking for OpenGL Cocoa Backend : disabled Checking for OpenGL X11 Backend : yes Checking for OpenGL X11 EGL Backend : yes Checking for OpenGL DRM EGL Backend : disabled Checking for OpenGL Wayland Backend : disabled Checking for OpenGL Win32 Backend : win32-desktop not found Checking for OpenGL/DirectX Interop Backend : gl-win32 not found Checking for OpenGL ANGLE headers : os-win32 not found Checking for OpenGL Win32 ANGLE Library : egl-angle not found Checking for OpenGL Win32 ANGLE Backend : egl-angle not found Checking for VDPAU acceleration : yes Checking for VDPAU with OpenGL/X11 : yes Checking for VAAPI acceleration : disabled Checking for VAAPI (X11 support) : disabled Checking for VAAPI (Wayland support) : disabled Checking for VAAPI (DRM/EGL support) : disabled Checking for VAAPI GLX : vaapi-x11 not found Checking for VAAPI EGL on X11 : vaapi-x11 not found Checking for VAAPI EGL : vaapi-x-egl not found Checking for CACA : disabled Checking for JPEG support : yes Checking for Direct3D support : win32-desktop not found Checking for libshaderc SPIR-V compiler : disabled Checking for libcrossc SPIR-V translator : no ('crossc' not found) Checking for Direct3D 11 video output : win32-desktop not found Checking for Raspberry Pi support : disabled Checking for iOS OpenGL ES hardware decoding interop support : no Checking for OpenGL without platform-specific code (e.g. for libmpv) : disabled Checking for MALI via Linux fbdev : disabled Checking for OpenGL context support : yes Checking for Vulkan context support : disabled Checking for EGL helper functions : yes Checking for FFmpeg/Libav present : yes Checking for libav* is FFmpeg mpv modified version : no Checking for libav* is upstream FFmpeg (unsupported) : yes Checking for libav* is Libav : no Checking for Libav/FFmpeg library versions : no ('libavutil >= 56.0.100 libavcodec >= 58.2.100 libavformat >= 58.0.102 libswscale >= 5.0.101 libavfilter >= 7.0.101 libswresample >= 3.0.100' not found) Unable to find development files for some of the required FFmpeg/Libav libraries. You need git master. For FFmpeg, the mpv fork, that might contain additional fixes and features is required. It is available on https://github.com/mpv-player/ffmpeg-mpv Aborting. * ERROR: media-video/mpv-9999::gentoo failed (configure phase): * configure failed * * Call stack: * ebuild.sh, line 124: Called src_configure * environment, line 4672: Called waf-utils_src_configure '--confdir=/etc/mpv' '--docdir=/usr/share/doc/mpv-9999' '--htmldir=/usr/share/doc/mpv-9999/html' '--disable-libmpv-shared' '--disable-libmpv-static' '--disable-static-build' '--disable-optimize' '--disable-debug-build' '--enable-html-build' '--enable-pdf-build' '--enable-cplugins' '--enable-zsh-comp' '--disable-test' '--disable-android' '--enable-iconv' '--disable-libsmbclient' '--enable-lua' '--lua=luajit' '--disable-javascript' '--enable-libass' '--enable-libass-osd' '--enable-zlib' '--enable-encoding' '--disable-libbluray' '--enable-dvdread' '--enable-dvdnav' '--enable-cdda' '--enable-uchardet' '--disable-rubberband' '--disable-lcms2' '--disable-vapoursynth' '--disable-vapoursynth-lazy' '--enable-libarchive' '--enable-ffmpeg-upstream' '--enable-libavdevice' '--disable-sdl2' '--disable-sdl1' '--disable-oss-audio' '--disable-rsound' '--disable-sndio' '--disable-pulse' '--enable-jack' '--disable-openal' '--disable-opensles' '--enable-alsa' '--disable-coreaudio' '--disable-cocoa' '--enable-drm' '--disable-gbm' '--disable-wayland' '--enable-x11' '--enable-xv' '--disable-gl-cocoa' '--enable-gl-x11' '--enable-egl-x11' '--disable-egl-drm' '--disable-gl-wayland' '--enable-vdpau' '--enable-vdpau-gl-x11' '--disable-vaapi' '--disable-vaapi-x11' '--disable-vaapi-wayland' '--disable-vaapi-drm' '--disable-caca' '--enable-jpeg' '--disable-rpi' '--disable-plain-gl' '--disable-mali-fbdev' '--disable-vulkan' '--disable-shaderc' '--enable-cuda-hwaccel' '--enable-tv' '--enable-tv-v4l2' '--enable-libv4l2' '--enable-audio-input' '--enable-dvbin' '--disable-apple-remote' * environment, line 5578: Called die Is there any known fix for that? Thanks a lot for any help in advance! :) Cheers Meino