From 65c13dd8fa9a4bb8762ade02b3b9b71e491de4b5 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
Date: Sat, 8 Jul 2017 21:13:52 +0200
Subject: [PATCH] sys-devel/llvm: Do not append VCS revision to version

---
 sys-devel/llvm/llvm-9999.ebuild | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys-devel/llvm/llvm-9999.ebuild b/sys-devel/llvm/llvm-9999.ebuild
index 7b69f3956917..9e9b95c1baab 100644
--- a/sys-devel/llvm/llvm-9999.ebuild
+++ b/sys-devel/llvm/llvm-9999.ebuild
@@ -99,6 +99,9 @@ multilib_src_configure() {
 
 	local libdir=$(get_libdir)
 	local mycmakeargs=(
+		# disable appending VCS revision to the version to improve
+		# direct cache hit ratio
+		-DLLVM_APPEND_VC_REV=OFF
 		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${SLOT}"
 		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
 
-- 
2.26.2