diffutils 3.7 make check failure ppc64le opensuse on colors test as
reported in OBS tool (1)
The extracted failure is a "Broken pipe"
```
[ 185s] XFAIL: large-subopt
[ 185s] PASS: new-file
[ 185s] PASS: no-dereference
[ 186s] PASS: no-newline-at-eof
[ 186s] PASS: stdin
[ 186s] PASS: strcoll-0-names
[ 186s] PASS: filename-quoting
[ 187s] strip-trailing-cr: skipped test: requires a working valgrind
[ 187s] SKIP: strip-trailing-cr
[ 187s] FAIL: colors
[ 187s] =============================================
[ 187s] GNU diffutils 3.7: tests/test-suite.log
[ 187s] =============================================
[ 187s]
[ 187s] # TOTAL: 22
[ 187s] # PASS: 19
[ 187s] # SKIP: 1
[ 187s] # XFAIL: 1
[ 187s] # FAIL: 1
[ 187s] # XPASS: 0
[ 187s] # ERROR: 0
...
[ 187s] FAIL: colors
[ 187s] ============
...
[ 187s] + compare exp out
[ 187s] + compare_dev_null_ exp out
[ 187s] + test 2 = 2
[ 187s] + test xexp = x/dev/null
[ 187s] + test xout = x/dev/null
[ 187s] + return 2
[ 187s] + case $? in
[ 187s] + compare_ exp out
[ 187s] + diff -u exp out
[ 187s] + mkfifo fifo
[ 187s] + printf %1000000s-a
[ 187s] + printf %1000000s-b
[ 187s] + diff --color=always ---presume-output-tty a b
[ 187s] + head -c 10
[ 187s] diff: standard output: Broken pipe
[ 187s] + test 2 = 141
[ 187s] + fail=1
[ 187s] + Exit 1
```
(1)
https://build.opensuse.org/package/live_build_log/home:michel_mno:branches:Base:System/diffutils/openSUSE_Factory_PowerPC/ppc64le
--
Michel Normand
