media-video/ffmpeg: Enable Graphite

 #103

Package-Manager: Portage-2.3.33, Repoman-2.3.9

metadata/news/2018-05-03-gcc-8/2018-05-03-gcc-8.en.txt

@@ -0,0 +1,16 @@
+Title: LTO-overlay updating to GCC 8.x series
+Author: Shane Peelar <[email protected]>
+Display-If-Installed: sys-config/ltoize
+Content-Type: text/plain
+Posted: 2018-05-03
+Revision: 1
+News-Item-Format: 1.0
+
+The recommended compiler for use with lto-overlay has been changed to GCC 8.1.0 due to its enhanced LTO capabilities.
+All workarounds will be reviewed as a result. This means users with older compilers with previously working configurations
+could expect breakage if they do not upgrade. The first known breakage will be ffmpeg, which can now be built with Graphite.
+No workarounds will be added for older compilers.
+
+Remember after you upgrade your GCC to emerge -e @world to ensure
+that no linking problems will occur with LTO libraries built using older GCCs. If you're having trouble,
+create an issue in the project tracker on GitHub.

metadata/news/2018-05-03-gcc-8/2018-05-03-gcc-8.en.txt.asc

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sys-config/ltoize/files/package.cflags/ltoworkarounds.conf

@@ -127,7 +127,7 @@ app-emulation/wine* "has custom-cflags ${IUSE//+} && use custom-cflags && FlagSu
 games-emulation/ppsspp *FLAGS-="${GRAPHITE}" # In function ‘Int_Vtfm’: ../ppsspp-1.4.2/Core/MIPS/MIPSIntVFPU.cpp:1322:7: internal compiler error: in outer_projection_mupa, at graphite-sese-to-poly.c:1019
 kde-apps/kreversi *FLAGS-="${GRAPHITE}" # internal compiler error: in outer_projection_mupa, at graphite-sese-to-poly.c:1019
 media-libs/libvorbis *FLAGS-="${GRAPHITE}" # In function 'run_test': sharedbook.c:543:6: internal compiler error: in outer_projection_mupa, at graphite-sese-to-poly.c:1019
-media-video/ffmpeg *FLAGS-=-flto* *FLAGS-="${GRAPHITE}" # NOTE: Depending on your CPUFLAGS this may work with LTO.  The SSE intrinsics seem to cause problems in some cases.   Graphite error: In function ‘ff_nelly_get_sample_bits’: nellymoser.c:116:6: internal compiler error: in outer_projection_mupa, at graphite-sese-to-poly.c:1019
+media-video/ffmpeg *FLAGS-=-flto* #*FLAGS-="${GRAPHITE}" # NOTE: Depending on your CPUFLAGS this may work with LTO.  The SSE intrinsics seem to cause problems in some cases.  GCC 7.x and lower only: Graphite error: In function ‘ff_nelly_get_sample_bits’: nellymoser.c:116:6: internal compiler error: in outer_projection_mupa, at graphite-sese-to-poly.c:1019
 net-misc/nx *FLAGS-=-flto* *FLAGS-="${GRAPHITE}"
 =media-libs/openal-1.18.2* *FLAGS-="${GRAPHITE}" # ../openal-soft-1.18.2/Alc/bformatdec.c:418:6: internal compiler error: in add_phi_arg_for_new_expr, at graphite-isl-ast-to-gimple.c:2321
 =media-libs/openjpeg-2.3.0 *FLAGS-="${GRAPHITE}" # ../openjp2/dwt.c:2171:13: internal compiler error: in outer_projection_mupa, at graphite-sese-to-poly.c:1019