Re: current gnulib regex breaks in gawk

[arnold]

Hi Bruno.

> 1) It chokes on a missing definition of macro _GL_ATTRIBUTE_FALLTHROUGH.
>
> Can you add this piece of text to a common .h file?
>
> #if 201710L < __STDC_VERSION__
> # define _GL_ATTRIBUTE_FALLTHROUGH [[__fallthrough__]]
> #elif _GL_HAS_ATTRIBUTE (fallthrough)
> # define _GL_ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__))
> #else
> # define _GL_ATTRIBUTE_FALLTHROUGH ((void) 0)
> #endif

Fixed, in a slightly different fashion.

> It seems you are not using gnulib's cdefs.h? You need both lib/libc-config.h
> and lib/cdefs.h.

That helped a lot.

I still have to have the following change, otherwise I get a linkage
error on the gl_dyanarray_* routines. :-(

So, at least for the nonce, my copy and Gnulib's will be out of sync.
Oh well.

Thanks,

Arnold
---------------------
--- /usr/local/src/Gnu/gnulib/lib/regex_internal.h      2021-02-08 
07:51:05.352326126 +0200
+++ regex_internal.h    2021-02-08 08:06:15.938934924 +0200
@@ -32,7 +32,7 @@
 #include <stdbool.h>
 #include <stdint.h>
 
-#ifndef _LIBC
+#if !defined(_LIBC) && !defined(GAWK)
 # include <dynarray.h>
 #endif