[mapserver-dev] Problems for adding a new keyword in MapServer

[Mauricio Herrera]

Hi developer community

Could you help me??


I am trying  to add  a new keyword in MapServer (Only for experimental
purpose).. but I could not do it. I just want that my keyword is detected
(recognized) by the MapServer (mapserv)  when I write the keyword in the
mapfile (.map)

Until now I have modified the next files:


   - *maplexer.l *:   I added this declaration <INITIAL,URL_VARIABLE>start {
   return(START); } */      I am using this syntax: flex -Pmsyy -i -omaplexer.c
   maplexer.l  for compiling maplexer.l


   - *mapfile.h* :  I added new keyword and id   # Define START 1300
   - *mapfile.c*:  only  I added the new keyword in a SWITCH of loadclass
   function     CASE START: printf ("Keyword is here");break; */


       After I did  MAKE in the command line for compiling these files.  And
inmediatly these errors appear:


./libmapserver.a(mapfile.o): In function `msUpdateQueryMapFromString':
mapfile.c:(.text+0x65af): undefined reference to `msyylex_destroy'
./libmapserver.a(mapfile.o): In function `msUpdateReferenceMapFromString':
mapfile.c:(.text+0x69f2): undefined reference to `msyylex_destroy'
./libmapserver.a(mapfile.o): In function `msUpdateStyleFromString':
mapfile.c:(.text+0x705f): undefined reference to `msyylex_destroy'
./libmapserver.a(mapfile.o): In function `msUpdateScalebarFromString':
mapfile.c:(.text+0x7daf): undefined reference to `msyylex_destroy'
./libmapserver.a(mapfile.o): In function `msUpdateLegendFromString':
mapfile.c:(.text+0x81d5): undefined reference to `msyylex_destroy'
./libmapserver.a(mapfile.o):mapfile.c:(.text+0x8258): more undefined
references to `msyylex_destroy' follow
collect2: ld returned 1 exit status
make: *** [shp2img] Error 1



*My questions are:*

Should I modify other files for adding a new keyword? or Should I need to do
another thing ( maybe  write "special command" or declaration)?


*Additional information*

I have installed on my pc

Mapserver 5.2.1
Flex 2.5.4a.-41
S.O. CentOS 5
Bison 2.3.2.1



Thank you so much!

Mauricio
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