Can't build m4 or bison with -rc3.

[bruce bushby]

Hi Rob

I noticed "spawn.h"
./spawn.h:112: error: field '_sp' has incomplete type

and was wondering...is that posix_spawn?
does uClib support "posix_spawn" now?







On Sun, Mar 20, 2011 at 5:17 AM, Rob Landley <rob at landley.net> wrote:

> I'm running my Linux From Scratch 6.7 build under a uClibc root
> filesystem, and building m4 1.14.4 has this error:
>
> gcc -std=gnu99  -I.     -g -O2 -MT execute.o -MD -MP -MF
> .deps/execute.Tpo -c -o execute.o execute.c
> In file included from execute.c:47:
> ./spawn.h:112: error: field '_sp' has incomplete type
> distcc[23848] ERROR: compile execute.c on localhost failed
> make[3]: *** [execute.o] Error 1
> make[3]: Leaving directory `/home/m4/lib'
>
>
> The attached patch made m4 and bison build against 0.9.31, but it
> doesn't fix it in 0.9.32-rc3.  Apparently uClibc has "optimized" away
> fields that both m4 and bison are reaching out and touching directly.
>
> (Oh, and some of the time the configure test to see if strstr happens in
> linear time hangs indefinitely, the alarm() that's supposed to wake it
> up apparently doesn't.  For that one it might be relevant that I'm
> currently testing on mips, for the rest it's not target specific.)
>
> Rob
>
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