Re: [gpsd-dev] ARM/uClibc build problem

[Eric S. Raymond]

Simon Dawson <address@hidden>:
> Using Buildroot, I'm cross compiling gpsd 3.7 for ARM, using uClibc.
> The build is falling over with the following error.
> 
>   gpsmon.o: In function `monitor_fixframe':
>   gpsmon.c:(.text+0x264): undefined reference to `acs_map'
>   monitor_nmea.o: In function `nmea_update':
>   monitor_nmea.c:(.text+0xbc0): undefined reference to `acs_map'
>   collect2: ld returned 1 exit status
>   scons: *** [gpsmon] Error 1
>   scons: building terminated because of errors.
> 
> I'm working around this by adding the following line to the gpsmon.c
> and monitor_nmea.c source files.
> 
>   unsigned long acs_map[128];
> 
> What I'm wondering is whether there might be a way of resolving this
> issue in a less ugly way --- preferably, directly in the gpsd build
> system. Does anybody have any suggestions?

Aha.  Your acs_map is a curses thing - I think the failure to link means
that your curses library conforms to the old BSD interface and is missing
System V features.  If you upgrade to something like ncurses all should
be well.
-- 
                <a href="http://www.catb.org/~esr/";>Eric S. Raymond</a>