[Bug cobol/119218] cobol, build : conflict between liberty and directly-included system-header.

[schwab--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119218

--- Comment #11 from Andreas Schwab <sch...@linux-m68k.org> ---
There are two other uses of <libgen.h> and all three of them are needed for
dirname, since basename is declared by default.