From 17393e10e28e6a972de83e3720cc34a45e266856 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Tue, 21 Apr 2020 20:31:01 +0200
Subject: extra/firefox: added -mmmx for i686 for libvpx and _mm_empty
 intrinsic

---
 extra/firefox/PKGBUILD | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/extra/firefox/PKGBUILD b/extra/firefox/PKGBUILD
index 6eaccdb4..31c7632d 100644
--- a/extra/firefox/PKGBUILD
+++ b/extra/firefox/PKGBUILD
@@ -174,3 +174,12 @@ eval "$(
       /msg2 "Profiling instrumented browser..."/,/.\/mach build/d
     '
 )"
+
+# libvpx has some hard-coded compiler flags for MMX, SSE, SSE2, use the correct one
+# per CARCH (75.0 uses an intrisic _mm_empty now, which required the corresponding
+# architecture flag to be preset - before it was merely embedding some assembly
+# code with EMMS
+if [ "${CARCH}" = "i686" ]; then
+  CFLAGS="$CFLAGS -mmmx"
+  CXXFLAGS="$CXXFLAGS -mmmx"
+fi	
-- 
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