The following scripts fail with Gnu Grep 3.8 -
dist/s_all run finished. Error? 1 Fatal errors reported by: s_style s_typedef s_getopt s_free s_stat s_export s_typedef s_python s_funcs s_define s_void s_whitespace s_function
With 3.8, there is a warning message that egrep and fgrep are deprecated.
Example:
$ bash s_funcs egrep: warning: egrep is obsolescent; using grep -E egrep: warning: egrep is obsolescent; using grep -E fgrep: warning: fgrep is obsolescent; using grep -F fgrep: warning: fgrep is obsolescent; using grep -F fgrep: warning: fgrep is obsolescent; using grep -F fgrep: warning: fgrep is obsolescent; using grep -F fgrep: warning: fgrep is obsolescent; using grep -F fgrep: warning: fgrep is obsolescent; using grep -F
Reference:
https://www.phoronix.com/news/GNU-Grep-3.8-Stop-egrep-fgrep