From 94603f5a08263353a5b002e03193af11877f7651 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Thu, 24 Mar 2022 07:35:36 +0100
Subject: extra/ffmpeg: fixed issues in FS32#239

---
 extra/ffmpeg/PKGBUILD | 45 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)

(limited to 'extra/ffmpeg')

diff --git a/extra/ffmpeg/PKGBUILD b/extra/ffmpeg/PKGBUILD
index 9bb8b8fb..366cfbbd 100644
--- a/extra/ffmpeg/PKGBUILD
+++ b/extra/ffmpeg/PKGBUILD
@@ -3,7 +3,6 @@ eval "$(
 declare -f build | \
   sed '
 	s/--enable-lto/--disable-lto/
-	s/--enable-libmfx/--disable-libmfx/
   '
 )"
 
@@ -83,3 +82,47 @@ if [ "$CARCH" == 'i486' ]; then
       '
   )"
 fi
+
+# disable all modern optimizations
+eval "$(
+  declare -f build | \
+    sed '
+      s|./configure|./configure --disable-sse3 --disable-ssse3 --disable-sse4 --disable-sse42 --disable-mmxext --disable-avx --disable-avx2 --disable-avx512|
+    '
+)"
+# disabled specific assembly per subarchitecture
+if [ "$CARCH" == 'i486' ]; then
+  eval "$(
+    declare -f build | \
+      sed '
+        s|./configure|./configure --disable-sse --disable-sse2 --disable-mmx|
+      '
+  )"
+fi
+if [ "$CARCH" == 'i686' ]; then
+  eval "$(
+    declare -f build | \
+      sed '
+        s|./configure|./configure --disable-sse --disable-mmx|
+      '
+  )"
+fi
+
+# see FS32#239, basically everything breaks otherwise
+eval "$(
+  declare -f build | \
+    sed '
+      s|./configure|./configure --disable-asm|
+    '
+)"
+
+# see FS32#239, x264 and i486 result in missing symbols, no clue
+if [ "$CARCH" == 'i486' ]; then
+  eval "$(
+    declare -f build | \
+      sed '
+        s|--enable-libx264|--disable-libx264|
+      '
+  )"
+fi
+
-- 
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