Fix some wrong behavior with sysroot option.

Fix reading the outdated caches.
Apply a patch to make it MT-safe more.

fontconfig-fix-test-without-bwrap.patch

@@ -0,0 +1,29 @@
+From 8bddcb113779178e5b5ed711db08d9bfbff924cc Mon Sep 17 00:00:00 2001
+From: Akira TAGOH <akira@tagoh.org>
+Date: Thu, 5 Dec 2019 19:55:06 +0900
+Subject: [PATCH] Fix a test fail when no bwrap was available
+
+Fixes https://gitlab.freedesktop.org/fontconfig/fontconfig/issues/201
+---
+ test/run-test.sh | 5 ++---
+ 1 file changed, 2 insertions(+), 3 deletions(-)
+
+diff --git a/test/run-test.sh b/test/run-test.sh
+index e1ee6d00..9b2e54bb 100644
+--- a/test/run-test.sh
++++ b/test/run-test.sh
+@@ -40,9 +40,8 @@ ECHO=true
+ FCLIST="$LOG_COMPILER ../fc-list/fc-list$EXEEXT"
+ FCCACHE="$LOG_COMPILER ../fc-cache/fc-cache$EXEEXT"
+ 
+-which bwrap > /dev/null 2>&1
+-if [ $? -eq 0 ]; then
+-    BWRAP=`which bwrap`
++if [ -x "$(command -v bwrap)" ]; then
++    BWRAP="$(command -v bwrap)"
+ fi
+ 
+ FONT1=$TESTDIR/4x6.pcf
+-- 
+2.25.0
+

fontconfig.spec

@@ -26,6 +26,7 @@ Patch4:		%{name}-drop-lang-from-pkgkit-format.patch
 Patch5:		%{name}-sysroot.patch
 Patch6:		%{name}-read-latest-cache.patch
 Patch7:		%{name}-mt.patch
+Patch8:		%{name}-fix-test-without-bwrap.patch
 
 BuildRequires:	expat-devel
 BuildRequires:	freetype-devel >= %{freetype_version}