On Fri, Sep 3, 2010 at 11:05, Eric Blake <[email protected]> wrote: > On 09/03/2010 09:56 AM, Tom Browder wrote: ... >> Is the '#' stopping it? ... >> If so, how can I get the line I want. ... > or by using proper quoting (so that hashdef no longer expands to a comment > character, but a quoted string that happens to contain #): > > define(`hashdef', ``#'define')dnl
That doesn't work... > Also, to be robust to non-GNU m4, you should probably also double-quote > define, or use other tricks to ensure that you don't inadvertently end up > expanding the define built-in with zero arguments (GNU m4 explicitly > documents that the define built-in when invoked with zero arguments expands > to it's own name, as if it hadn't been a macro, but POSIX leaves that bit > unspecified): > > define(`hashdef', ``#define'')dnl But that does! So that is the recommended form for portability, no? Thanks so much, Eric. I'll probably have more questions before it's over. Regards, -Tom Thomas M. Browder, Jr. Niceville, Florida USA
