[gpsd-dev] Misc Warnings...

[Hal Murray]

>From CentOS-7 and Debian wheezy

gpsd.c:2001:2: warning: implicit declaration of function 'daemon' 
[-Wimplicit-function-declaration]
gpsd.c:2117:2: warning: implicit declaration of function 'setgroups' 
[-Wimplicit-function-declaration]

Man pages say:
       daemon(): _BSD_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE < 500)
       setgroups(): _BSD_SOURCE

---------

>From NetBSD

timespec_str.c:52:6: warning: implicit declaration of function 'llabs' 
[-Wimplicit-function-declaration]
timespec_str.c:52:17: warning: incompatible implicit declaration of built-in 
function 'llabs' [enabled by default]

/usr/include/stdlib.h says:

#if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \  
    defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L

-----------

On FreeBSD

This is from a Raspberry Pi
PCs are clean, but maybe I don't have an old enough 32 bit system
No squawk from a BBB

gpsmon.c:248:21: warning: absolute value function 'labs' given an argument of 
type 'time_t' (aka 'long long') but has parameter of type 'long' which may 
cause truncation of value [-Wabsolute-value]
gpsmon.c:278:28: warning: absolute value function 'labs' given an argument of 
type 'time_t' (aka 'long long') but has parameter of type 'long' which may 
cause truncation of value [-Wabsolute-value]





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