[sane-devel] Please clean before CVS update

[Nicolas Martin]

Thanks Chris for this information. 

This MATH_LIB statement looks to be needed at least on Ubuntu 8.04 (gcc
4.2.4 for i486) and on an older Mandriva 2007 (gcc 4.1.2 for i586)

Nicolas

Le samedi 31 janvier 2009 à 09:59 -0600, Chris Bagwell a écrit :
> Thanks for the report.  I should have also mentioned that part as a 
> warning.  I modified backend/Makefile to only link in what it needs.  On 
> my platform, coolscan2 didn't need math for some reason.
> 
> I'll submit the fix in a minute but if others have similar issues, here 
> is a list of items that you can add to the specific 
> "libsane_$(BACKEND_NAME)_la_LIBADD" line and it will get 
> auto-substituted by configure; generally only when a platform needs it.  
> Please bare with me as these failure occur on platforms I do not have 
> access to.
> 
> @SCSI_LIBS@ @CAM_LIBS@: scsi related libraries
> @IEEE1284_LIBS@: ieee1284 libraries
> @MATH_LIB@: Math lib
> @JPEG_LIBS@ @TIFF_LIBS@: graphics libs
> @SOCKET_LIBS@: -lsocket (when needed)
> @GETHOSTBYADDR_LIBS@: -lnsl (when needed)
> @GPHOTO2_LIB@: -lgphoto
> @AVAHI_LIBS@: avahi
> @V4L_LIBS@: -lv4l
> @DL_LIBS@: -ldl
> 
> Chris
> 
> Nicolas Martin wrote:
> > Hi,
> >
> > Just tried a full CVS rebuild. 
> >
> > Compilation fails for me when linking coolscan2:
> >
> > /bin/sh ../libtool --silent --tag=CC   --mode=link gcc  -g -O2 -W -Wall
> > -Wcast-align -Wcast-qual -Wmissing-declarations -Wmissing-prototypes
> > -Wpointer-arith -Wreturn-type -Wstrict-prototypes -pedantic -ansi
> > -Wl,-z,defs  -rpath '/usr/lib/sane' -version-number 1:1:0  -o
> > libsane-coolscan2.la
> > libsane_coolscan2_la-coolscan2-s.lo ../lib/liblib.la
> > libcoolscan2.la ../sanei/sanei_init_debug.lo ../sanei/sanei_constrain_value.lo ../sanei/sanei_config.lo ../sanei/sanei_config2.lo sane_strstatus.lo ../sanei/sanei_usb.lo ../sanei/sanei_scsi.lo   -lusb 
> > ./.libs/libcoolscan2.a(libcoolscan2_la-coolscan2.o): In function
> > `cs2_full_inquiry':
> > /data/sane-backends/backend/coolscan2.c:2375: undefined reference to
> > `floor'
> > /data/sane-backends/backend/coolscan2.c:2383: undefined reference to
> > `floor'
> > collect2: ld returned 1 exit status
> > make: *** [libsane-coolscan2.la] Erreur 1
> >
> >
> > Looking more deeply at what's going on, I noticed that the -lm flag (for
> > math.h) has gone away from the linker command line. If I add it manually
> > and recompile just this step, it works. 
> >
> > Might there be any relation with config/make tools updates ?
> >
> > Nicolas
> >
> > Le vendredi 30 janvier 2009 à 21:15 -0600, Chris Bagwell a écrit :
> >   
> >> Hi all,
> >>
> >> I just submitted a rather large CVS update related to backend/ changing 
> >> to automake and some related portability fixes.  To be safe, please do a 
> >> "make distclean" before updating to current CVS.  I'm not aware of any 
> >> issues if you do not but just a warning.
> >>
> >> Thanks also to Olaf for helping with the Makefile.am parts.
> >>
> >>
> >> Chris
> >>
> >>     
> >
> >   
>