media-video/mpv: add compiler check when vaapi is enabled with egl

VAAPI + EGL combo requires Thread Local Storage C++11 feature or
GNU __thread extension. Add the corresponding check for sanity.

See also https://github.com/mpv-player/mpv/issues/2631

Package-Manager: portage-2.2.24

diff --git a/media-video/mpv/mpv-9999.ebuild b/media-video/mpv/mpv-9999.ebuild
index 38b675a2e365a78bda2f3d086d2e26971778e69f..484a1ef66fae61ec71cb129b38654a53693eec3c 100644 (file)
--- a/media-video/mpv/mpv-9999.ebuild
+++ b/media-video/mpv/mpv-9999.ebuild
@@ -9,7 +9,7 @@ PYTHON_REQ_USE='threads(+)'
 
 WAF_PV='1.8.12'
 
-inherit eutils fdo-mime gnome2-utils pax-utils python-any-r1 waf-utils
+inherit eutils fdo-mime gnome2-utils pax-utils python-any-r1 toolchain-funcs waf-utils
 
 DESCRIPTION="Media player based on MPlayer and mplayer2"
 HOMEPAGE="https://mpv.io/"
@@ -124,6 +124,10 @@ RDEPEND="${COMMON_DEPEND}
 "
 
 pkg_pretend() {
+       if [[ ${MERGE_TYPE} != "binary" ]] && ! tc-has-tls && use vaapi && use egl; then
+               die "Your compiler lacks C++11 TLS support. Use GCC>=4.8.0 or Clang>=3.3."
+       fi
+
        if ! use libass; then
                ewarn "You have disabled the libass support."
                ewarn "OSD and subtitles won't be available."