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Config.h
The file config.h is to be found in the include directory of the server source.
It contains many variables, that can be manually adjusted.
Note: The file autoconf.h contains all the variable defines, that were found or passed to the ./configure script.
TMPDIR
When configuring the server with a –prefix=/path variable, the TMPDIR still uses the definitions of the config.h file.
This is a bit unfortunate, because it prevents to run the server on multiple instances,
since the temporary map names would all be shared in the fixed location at /tmp for Linux.
If it is planned to add a –prefix to configure, then before running make it is probably useful
to adjust the TMPDIR variable to match –prefix .
Example: ./configure –prefix=/usr/games/crossfire-1.70.0
should then make TMPDIR look as
#define TMPDIR “/usr/games/crossfire-1.70.0/tmp”
After make && make install then this TMPDIR needs to be manually created with the proper permissions.
mkdir /usr/games/crossfire-1.70.0/tmp
Proper permissions for TMPDIR
LOGFILE
As it is with the variable TMPDIR , the LOGFILE variable is fixed set in config.h .
Despite the fact, that LOCALDIR would use the –prefix parameter in {prefix}/var ,
the LOGFILE variable does not use {prefix} 
.
On Linux the LOGFILE variable is by default set to #define LOGFILE “/var/log/crossfire/logfile” ;
Which then may need to create the /var/log/crossfire directory manually ( with proper permissions ) .
If it is planned to add a –prefix to configure, then before running make it is probably useful
to adjust the LOGFILE variable to match –prefix .
Example: ./configure –prefix=/usr/games/crossfire-1.70.0
should then make LOGFILE look as
#define LOGFILE “/usr/games/crossfire-1.70.0/var/log/crossfire-server-1.70.0.log”
Proper permissions for LOGFILE
mapsize
The server has two pre-defined maximum mapsize values to send to the client : MAP_CLIENT_X and MAP_CLIENT_Y .
It is unfortunately not possible to set those in the etc/crossfire/settings file.
#define MAP_CLIENT_X 25 #define MAP_CLIENT_Y 25
Since the client supports a maximum of 31, it might be advised to set these two values to 31 also,
especially for local servers just consuming loop back (inerface lo) bandwidth.
