[cups.development] Error trying to compile

[Michael Sweet]

Use "cups-config --image --libs" when building a filter that uses the raster functions.

On Jul 23, 2011, at 10:45 AM, Sebastian wrote:

> Thanks for your answer.
> I am running debian squeeze and cups 1.4 that is suppose to have DDK in it. But following this clue I have isntall all -dev packages related with cups and it seems work better. But still the output is like this
> 
> sebas at portatil:~/ppd/ppd$ gcc -o rastertotec -I /usr/include `cups-config --cflags` rastertotec.c `cups-config --libs`
> /tmp/ccyWTJNx.o: In function `main':
> /home/sebas/ppd/ppd/rastertotec.c:358: undefined reference to `cupsRasterOpen'
> /home/sebas/ppd/ppd/rastertotec.c:403: undefined reference to `cupsRasterReadHeader2'
> /home/sebas/ppd/ppd/rastertotec.c:443: undefined reference to `cupsRasterReadPixels'
> /home/sebas/ppd/ppd/rastertotec.c:467: undefined reference to `cupsRasterClose'
> collect2: ld returned 1 exit status
> 
> So still it does not find some functions that are defined in raster.h that is of course included.
> 
> Sorry if this is something too obvious. My knowledge of C is very short. I only worked under dos several years ago.
> 
> Thanks in advance.
> 
> Sebas
> 
> 
> 
>> Install the CUPS developer package for your Linux distro.
>> 
>> (and don't copy the use of the _cupsLang* functions - those are private functions that have changed over the various CUPS releases and are NOT safe to call from a third-party driver!)
>> 
>> On Jul 21, 2011, at 8:29 AM, Sebastian wrote:
>> 
>>> I am tryng to develop a filter for a label printer B-SV4 made by Toshiba TEC.
>>> When I try to compile with gcc I have the following otuput
>>> 
>>> sebas at portatil:~/ppd/ppd$ gcc -o rastertotec -I /home/sebas/cups-1.4.4/ rastertotec.c
>>> /tmp/ccgoniEt.o: In function `StartPage':
>>> rastertotec.c:(.text+0x5ed): undefined reference to `ppdFindMarkedChoice'
>>> /tmp/ccgoniEt.o: In function `main':
>>> rastertotec.c:(.text+0x85a): undefined reference to `_cupsLangPrintf'
>>> rastertotec.c:(.text+0x8bc): undefined reference to `_cupsLangPrintf'
>>> rastertotec.c:(.text+0x8f4): undefined reference to `cupsRasterOpen'
>>> rastertotec.c:(.text+0x939): undefined reference to `cupsParseOptions'
>>> rastertotec.c:(.text+0x954): undefined reference to `ppdOpenFile'
>>> rastertotec.c:(.text+0x974): undefined reference to `ppdMarkDefaults'
>>> rastertotec.c:(.text+0x996): undefined reference to `cupsMarkOptions'
>>> rastertotec.c:(.text+0xa73): undefined reference to `_cupsLangPrintf'
>>> rastertotec.c:(.text+0xa96): undefined reference to `cupsRasterReadPixels'
>>> rastertotec.c:(.text+0xb20): undefined reference to `cupsRasterReadHeader2'
>>> rastertotec.c:(.text+0xb3d): undefined reference to `cupsRasterClose'
>>> rastertotec.c:(.text+0xb65): undefined reference to `ppdClose'
>>> rastertotec.c:(.text+0xb7c): undefined reference to `cupsFreeOptions'
>>> rastertotec.c:(.text+0xb9a): undefined reference to `_cupsLangPuts'
>>> rastertotec.c:(.text+0xbb6): undefined reference to `_cupsLangPuts'
>>> collect2: ld returned 1 exit status
>>> 
>>> Though these functions are in the include headers except _cupsLangPrintf that I have not find yet.
>>> 
>>> Following the compile instrucction on online cups pages
>>> 
>>>> From the command-line, create a file called sample.c using your favorite editor and then run the following command to compile it with GCC and run it:
>>> 
>>> gcc -o simple `cups-config --cflags` simple.c `cups-config --libs`
>>> ./simple
>>> 
>>> The cups-config command provides the compiler flags ("cups-config --cflags") and libraries ("cups-config --libs") needed for the local system.
>>> 
>>> I have not found cups-config but cups-config.in and tried again.
>>> 
>>> sebas at portatil:~/ppd/ppd$ gcc -o rastertotec `/home/sebas/cups-1.4.4/cups-config.in --cflags` rastertotec.c `/home/sebas/cups-1.4.4/cups-config.in --libs`
>>> gcc: @EXTLINKCUPS@: No existe el fichero o el directorio
>>> gcc: @LIBGSSAPI@: No existe el fichero o el directorio
>>> gcc: @EXPORT_SSLLIBS@: No existe el fichero o el directorio
>>> gcc: @EXPORT_LIBZ@: No existe el fichero o el directorio
>>> gcc: @LIBS@: No existe el fichero o el directorio
>>> 
>>> In this case it does not find some files or directories that cups-config.in referencies.
>>> 
>>> Please any clue to solve it.
>>> 
>>> Sebas
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> cups-dev mailing list
>>> cups-dev at easysw.com
>>> http://lists.easysw.com/mailman/listinfo/cups-dev
>> 
>> ________________________________________________________________________
>> Michael Sweet, Senior Printing System Engineer, PWG Chair
>> 
> 
> _______________________________________________
> cups-dev mailing list
> cups-dev at easysw.com
> http://lists.easysw.com/mailman/listinfo/cups-dev

________________________________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair