[Freeciv-Dev] Re: (PR#7418) memory usage for compiling

["Jason Short" <jdorje@xxxxxxxxxxxxxxxxxxxxx>]

<URL: http://rt.freeciv.org/Ticket/Display.html?id=7418 >

ue80@xxxxxxxxxxxxxxxxxxxxx wrote:
> <URL: http://rt.freeciv.org/Ticket/Display.html?id=7418 >
> 
> Hi,
> 
> I think that compiling freeciv needs to much memory ...
> 
>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND          
>  
>  5633 freeciv   18   0  107m 101m 7344 D 22.7 20.1   0:16.92 cc1       
> 
> if gcc -DHAVE_CONFIG_H -I. -I. -I.. -I../intl -I./aicore    -g -O2 -Wall
> -Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations
> -MT packets_gen.o -MD -MP -MF ".deps/packets_gen.Tpo" \
>   -c -o packets_gen.o `test -f 'packets_gen.c' || echo
> './'`packets_gen.c; \
> then mv -f ".deps/packets_gen.Tpo" ".deps/packets_gen.Po"; \
> else rm -f ".deps/packets_gen.Tpo"; exit 1; \
> fi
> 
> I think 100 MB memory is more than to much for me to compile freeciv.

This happens because packets_gen.c is 648k in size.  Huge!

> For S1_14 the maximum which was shown from top (ok top isn't allways
> right) is:
>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND          
>  
>  6423 freeciv   25   0 29760  25m 6848 R 60.7  5.0   0:01.84 cc1              
>  
> 
> Is there a possibility to reduce the memory is needed?

Reduce the size of packets_gen, or split it up.

The former should be quite possible; it requires changes to generate.py. 
  You'll have to take it up with Raimar.

jason