use upstream patch to eliminate unportable gnulib tests

coreutils-8.32-gnulib-perror-test.patch

@@ -0,0 +1,48 @@
+From f61085aaa37f169365c56e44f5129d0491913b6a Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Thu, 27 Aug 2020 17:52:58 -0700
+Subject: [PATCH] perror, strerror_r: remove unportable tests
+
+Problem reported by Florian Weimer in:
+https://lists.gnu.org/r/bug-gnulib/2020-08/msg00220.html
+* tests/test-perror2.c (main):
+* tests/test-strerror_r.c (main): Omit unportable tests.
+
+Upstream-commit: 175e0bc72808d564074c4adcc72aeadb74adfcc6
+Signed-off-by: Kamil Dudka <kdudka@redhat.com>
+---
+ gnulib-tests/test-perror2.c    | 3 ---
+ gnulib-tests/test-strerror_r.c | 3 ---
+ 2 files changed, 6 deletions(-)
+
+diff --git a/gnulib-tests/test-perror2.c b/gnulib-tests/test-perror2.c
+index 1d14eda..c6214dd 100644
+--- a/gnulib-tests/test-perror2.c
++++ b/gnulib-tests/test-perror2.c
+@@ -79,9 +79,6 @@ main (void)
+     errno = -5;
+     perror ("");
+     ASSERT (!ferror (stderr));
+-    ASSERT (msg1 == msg2 || msg1 == msg4 || STREQ (msg1, str1));
+-    ASSERT (msg2 == msg4 || STREQ (msg2, str2));
+-    ASSERT (msg3 == msg4 || STREQ (msg3, str3));
+     ASSERT (STREQ (msg4, str4));
+ 
+     free (str1);
+diff --git a/gnulib-tests/test-strerror_r.c b/gnulib-tests/test-strerror_r.c
+index b11d6fd..c1dbcf8 100644
+--- a/gnulib-tests/test-strerror_r.c
++++ b/gnulib-tests/test-strerror_r.c
+@@ -165,9 +165,6 @@ main (void)
+ 
+     strerror_r (EACCES, buf, sizeof buf);
+     strerror_r (-5, buf, sizeof buf);
+-    ASSERT (msg1 == msg2 || msg1 == msg4 || STREQ (msg1, str1));
+-    ASSERT (msg2 == msg4 || STREQ (msg2, str2));
+-    ASSERT (msg3 == msg4 || STREQ (msg3, str3));
+     ASSERT (STREQ (msg4, str4));
+ 
+     free (str1);
+-- 
+2.25.4
+

coreutils.spec

@@ -22,6 +22,9 @@ Patch2:   coreutils-8.32-leaf-opt-xfs.patch
 # cp: default to --reflink=auto (#1861108)
 Patch3:   coreutils-8.32-cp-reflink-auto.patch
 
+# eliminate unportable gnulib tests
+Patch4:   coreutils-8.32-gnulib-perror-test.patch
+
 # disable the test-lock gnulib test prone to deadlock
 Patch100: coreutils-8.26-test-lock.patch
 
@@ -151,10 +154,6 @@ sed src/dircolors.hin \
 # apply all patches
 %autopatch -p1
 
-# replace weirdo constant in gnulib tests causing test failures on armv7hl
-sed -e 's/1729576/EPERM/' \
-    -i gnulib-tests/test-{perror2,strerror_r}.c
-
 (echo ">>> Fixing permissions on tests") 2>/dev/null
 find tests -name '*.sh' -perm 0644 -print -exec chmod 0755 '{}' '+'
 (echo "<<< done") 2>/dev/null