[bug-diffutils] bug#36488: diffutils 3.7 make check failure ppc64le opensuse on colors test

[Normand]

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