extra/dav1d: patched no-SSE2, no-SSE on i686 and i486

2 files changed, 43 insertions, 0 deletions

diff --git a/extra/dav1d/PKGBUILD b/extra/dav1d/PKGBUILD
index 3ae2f1fd..2ea6149f 100644
--- a/extra/dav1d/PKGBUILD
+++ b/extra/dav1d/PKGBUILD
@@ -1,3 +1,24 @@
+# disable SSE2 on i686 and i486
+source_i486=('dav1d-0.8.2-sse2-asm.patch')
+sha512sums_i486=('65d133b750888ce854fdad2f068430ae1920db135eaf9b8ec4d372ecb074e3eef6833f50f17e758cc8f69f4845b873fb96d744c03f75a34af0dd0ad8dbd413e3')
+source_i686=('dav1d-0.8.2-sse2-asm.patch')
+sha512sums_i686=('65d133b750888ce854fdad2f068430ae1920db135eaf9b8ec4d372ecb074e3eef6833f50f17e758cc8f69f4845b873fb96d744c03f75a34af0dd0ad8dbd413e3')
+if [ "$CARCH" == 'i686' ] || [ "$CARCH" == 'i486' ]; then
+  eval "$(
+    {
+      declare -f prepare || \
+      printf 'prepare() {\n}\n'
+    } \
+    | sed '
+      $i patch -p1 -i "$srcdir/dav1d-0.8.2-sse2-asm.patch"
+    '
+    declare -f build | \
+      sed '
+        s|arch-meson|arch-meson -Denable_asm=false -Denable_avx512=false |g
+      '
+  )"
+fi
+
 # graphviz needs tons of libraries we don't have yet on i486
 if [ "${CARCH}" = "i486" ]; then
 	makedepends=(${makedepends[@]//graphviz/})
diff --git a/extra/dav1d/dav1d-0.8.2-sse2-asm.patch b/extra/dav1d/dav1d-0.8.2-sse2-asm.patch
new file mode 100644
index 00000000..6c4bdbaf
--- /dev/null
+++ b/extra/dav1d/dav1d-0.8.2-sse2-asm.patch
@@ -0,0 +1,22 @@
+diff -rauN dav1d-0.8.2/meson.build dav1d-0.8.2-sse2-asm-patch/meson.build
+--- dav1d-0.8.2/meson.build	2021-02-21 23:53:26.261634600 +0100
++++ dav1d-0.8.2-sse2-asm-patch/meson.build	2021-03-19 09:12:45.991939117 +0100
+@@ -250,12 +250,12 @@
+       '-Werror=missing-prototypes',
+       '-Wshorten-64-to-32',
+     ]
+-    if host_machine.cpu_family() == 'x86'
+-        optional_arguments += [
+-          '-msse2',
+-          '-mfpmath=sse',
+-        ]
+-    endif
++#    if host_machine.cpu_family() == 'x86'
++#        optional_arguments += [
++#          '-msse2',
++#          '-mfpmath=sse',
++#        ]
++#    endif
+ else
+     optional_arguments += [
+       '-wd4028', # parameter different from declaration