Re: {Spam?} Fix clang compile warnings / gcc breakage with include_next

[Akim Demaille]

> Le 16 janv. 2015 à 17:57, Michael Weiser <address@hidden> a écrit :
> 
> Hi,
> 
> compiling bison 3.0.3 with gcc-4.0.1 (Apple Inc. build 5493) (latest
> available on Mac OS X 10.5) fails with the following error:
> 
>  CC       lib/math.o
> In file included from lib/math.h:27,
>                 from lib/math.h:27,
> [about a 100 repeats]
>                 from lib/math.c:3:
> lib/math.h:27:23: error: #include nested too deeply
> make[2]: *** [lib/math.o] Error 1
> make[1]: *** [all-recursive] Error 1
> make: *** [all] Error 2
> 
> The cause is usage of #include_next in conjunction with #include
> "math.h" (as opposed to #include <math.h>) and adding the lib
> subdirectory to the search path via -Ilib. If either -Ilib is changed to
> -I./lib or #include "math.h" to #include <math.h> the problem does away.
> So this certainly seems to be some sort of bug in gcc.

Hi Michael,

This is actually already scheduled for 3.0.4, which
will be release RSN.  I'm just waiting for the original
poster's complete name.

https://lists.gnu.org/archive/html/bison-patches/2015-01/msg00022.html