[Samba] Trouble building 4.2rc4 on FreeBSD

[Thomas Schulz]

> I'm attempting to build 4.2.0rc4 on a FreeBSD 10.0 system. There seems 
> to be a problem with finding the system headers. Specifically 
> lib/texpect/texpect.c seems to not be finding /usr/include/sys/signal.h
> 
> Some hints on waf or building samba would be appreciated

Look at bugs 10833 11092 at bugzilla.samba.org. The patch there
most likely is looking for signal.h in just /usr/include.

> Russ Poyner
> 
> The errors:
> 
> make
> WAF_MAKE=1 python ./buildtools/bin/waf build
> Waf: Entering directory `/root/samba-4.2.0rc4/bin'
>      Selected embedded Heimdal build
> [ 680/3738] Compiling lib/texpect/texpect.c
> ../lib/texpect/texpect.c:79:8: error: unknown type name 'sig_atomic_t'
> static sig_atomic_t alarmset = 0;
>         ^
> ../lib/texpect/texpect.c:265:20: error: use of undeclared identifier 
> 'SIGALRM'
>                          if (alarmset == SIGALRM) {
>                                          ^
> ../lib/texpect/texpect.c:391:15: warning: assigning to 'char *const *' 
> from 'const char **' discards
>        qualifiers in nested pointer types 
> [-Wincompatible-pointer-types-discards-qualifiers]
>          program_args = poptGetArgs(pc);
>                       ^ ~~~~~~~~~~~~~~~
> ../lib/texpect/texpect.c:430:22: error: variable has incomplete type 
> 'struct sigaction'
>                                  struct sigaction sa;
>                                                   ^
> ../lib/texpect/texpect.c:430:12: note: forward declaration of 'struct 
> sigaction'
>                                  struct sigaction sa;
>                                         ^
> ../lib/texpect/texpect.c:434:5: error: implicit declaration of function 
> 'sigemptyset' is invalid in C99
>        [-Werror,-Wimplicit-function-declaration]
>                                  sigemptyset (&sa.sa_mask);
>                                  ^
> ../lib/texpect/texpect.c:436:5: error: implicit declaration of function 
> 'sigaction' is invalid in C99
>        [-Werror,-Wimplicit-function-declaration]
>                                  sigaction(SIGALRM, &sa, NULL);
>                                  ^
> ../lib/texpect/texpect.c:436:15: error: use of undeclared identifier 
> 'SIGALRM'
>                                  sigaction(SIGALRM, &sa, NULL);
>                                            ^
> 1 warning and 6 errors generated.
> Waf: Leaving directory `/root/samba-4.2.0rc4/bin'
> Build failed:  -> task failed (err #1):
>      {task: cc texpect.c -> texpect_1.o}
> *** Error code 1
> 
> Stop.
> make: stopped in /root/samba-4.2.0rc4
> 
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Tom Schulz
Applied Dynamics Intl.
schulz at adi.com