Re: Warnings on '$\\'

[Gisle Vanem]

Martin Dorey wrote:

> This seems to work:
>
> martind@sirius:~/tmp/vanem-2023-04-14$ cat Makefile
> g_trace.h: Makefile; $(file > $@,$(trace_h))
>
> \ = \
>
> define trace_h
>    #define G_TRACE(level, fmt, ...)                  $\\
>            do {                                      $\\
>              if (_g_trace_level() >= level) {        $\\
>                 _g_trace_color (TRACE_COLOUR_START); $\\
>    # ....
> endef
> martind@sirius:~/tmp/vanem-2023-04-14$ make --warn-undefined-variables; cat 
> g_trace.h; rm g_trace.h
> make: 'g_trace.h' is up to date.
>    #define G_TRACE(level, fmt, ...)                  \
>            do {                                      \
>              if (_g_trace_level() >= level) {        \
>                 _g_trace_color (TRACE_COLOUR_START); \
>    # ....

Thanks!

But isn't make overzealous on this warning?
Shouldn't the '$\' be treated as an ESCape character?