mail-client/thunderbird-10.0.1 doesn't build with >media-libs/libvpx-0.9.7-r1 because a symbol was removed/changed that the configure script used to identify libvpx. Reproducible: Always Steps to Reproduce: 1. emerge =media-libs/libvpx-1.0.0 2. USE=webm emerge =mail-client/thunderbird-10.0.1 Actual Results: checking for vpx/vpx_decoder.h... yes checking for vpx_codec_dec_init_ver in -lvpx... yes checking for libvpx version >= v0.9.7... no configure: error: --with-system-libvpx requested but it is not v0.9.7 or later Expected Results: recognizes libvpx version >= v0.9.7 This http://www.linuxfromscratch.org/blfs/view/cvs/xsoft/thunderbird.html sais running # sed -i 's#VPX_CODEC_USE_INPUT_PARTITION#VPX_CODEC_USE_INPUT_FRAGMENTS#' mozilla/configure solves the issue. Related bug: https://bugs.gentoo.org/show_bug.cgi?id=401985
*** This bug has been marked as a duplicate of bug 401985 ***