Re: Messed up gl_COMPILER_PREPARE_CHECK_DECL

[Paul Eggert]

On 1/18/20 5:14 AM, Bruno Haible wrote:
> 1) I moved the AC_PROG_CC override from 00gnulib.m4 to ~~gnulib.m4

Although I haven't tried the patch, surely the name '~~gnulib.m4' causes 
problems. I imagine some programs use '~' for other naming conventions (e.g., 
for deleted files). On systems that use alphabetic characters first for 
collating, 'ls' and 'echo *' don't put the '~~' file last anyway; this happened 
on my Ubuntu 18.04.3 machine in the en_US.utf8 locale. On systems with GNU ls, 
the leading '~' causes ls to quote the file name and to put spaces in front of 
other file names in the same directory, which is an annoyance (albeit a 
necessary one to warn users of the problem with cutting and pasting that file 
name). And if there is a user whose name happens to be '~gnulib.m4' (admittedly 
unlikely, but POSIX allows this as an extension), the string ~~gnulib.m4 will 
expand to that user's home directory in the shell.

For all these reasons I suggest renaming the file to zzgnulib.m4.