From 0cb2650f3a9f93b201db3ae47db96054444718e1 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Fri, 22 Jan 2021 19:38:58 +0100
Subject: extra/mesa: breaking cycle with libva and libglvnd on i486

---
 extra/mesa/PKGBUILD | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/extra/mesa/PKGBUILD b/extra/mesa/PKGBUILD
index 4e8039b3..22b59586 100644
--- a/extra/mesa/PKGBUILD
+++ b/extra/mesa/PKGBUILD
@@ -58,3 +58,29 @@ eval "$(
       )"')
     '
 )"
+
+# break cycle with conflicting installation files between mesa and libglvnd
+# (indirect dependency via libva)
+# i486-specific
+makedepends=(${makedepends[@]//libva/})
+makedepends_i686+=(libva)
+makedepends_pentium4=("${makedepends_i686[@]}")
+makedepends=(${makedepends[@]//libglvnd/})
+makedepends_i686+=(libglvnd)
+makedepends_pentium4=("${makedepends_i686[@]}")
+if [ "$CARCH" = 'i486' ]; then
+  eval "$(
+    declare -f build | \
+      sed '
+        s/\(-D glvnd=\)true /\1false /g
+      '
+    declare -f package_mesa | \
+      sed '
+        s/'libglvnd'//g
+        s/.*glvnd.*//g
+        s/.*libGLX_mesa.so.*//g
+        s/.*libEGL_mesa.so.*//g
+        s/.*find fakeinstall.*//g
+      '
+  )"
+fi
-- 
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