From 976533254cfbfd7d68036e0cf9ca17e137b540b6 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
Date: Sun, 17 Sep 2017 11:45:28 +0200
Subject: [PATCH] media-libs/mesa: Add llvm_check_deps() to enable slot
 matching

---
 media-libs/mesa/mesa-9999.ebuild | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/media-libs/mesa/mesa-9999.ebuild b/media-libs/mesa/mesa-9999.ebuild
index 61bcd2822dbb..667956a123fe 100644
--- a/media-libs/mesa/mesa-9999.ebuild
+++ b/media-libs/mesa/mesa-9999.ebuild
@@ -231,6 +231,19 @@ x86? (
 	)
 )"
 
+llvm_check_deps() {
+	local flags=${MULTILIB_USEDEP}
+	if use video_cards_r600 || use video_cards_radeon || use video_cards_radeonsi
+	then
+		flags+=",llvm_targets_AMDGPU(-)"
+	fi
+
+	if use opencl; then
+		has_version "sys-devel/clang[${flags}]" || return 1
+	fi
+	has_version "sys-devel/llvm[${flags}]"
+}
+
 pkg_setup() {
 	# warning message for bug 459306
 	if use llvm && has_version sys-devel/llvm[!debug=]; then
-- 
2.26.2