[Kde-imaging] library versioning question

Gilles Caulier caulier.gilles at kdemail.net
Mon Sep 25 12:33:00 CEST 2006

On Monday 25 September 2006 11:43, you wrote:
> Hi Gilles,
> Indeed, we did have a similar problem that you are facing. 
> SQLiteconveniently managed to break compatibility between releases, and
> atone stage they removed all threading support which made it totallyuseless
> for us.  What we have done is bundle the sqlite librarieswhich are written
> as C, as part of the project. 

> But you are going to bundle a completely 
> separate binary, does dcrawnot come with a library which you could use? It
> would probably be mucheasier and a much nicer solution.

Sure, but no... dcraw isn't a library, and will not be a libray in the future. 
Dixit dcraw author from dcraw web page (FAQ) :


> Anyway... In 
> response to your question, I'm not sure why dcraw won't compilewith
> "-std=iso9899:1990",

This is relevant of "inline" using in lcms.h header witch do not exist in pure 
C in iso9899 style.

> and I don't know how to remove a flag fromgcc, but you 
> might be able to overcome it by overriding the CFLAGS.This is really
> naughty behaviour, but it might work in the mean timeuntil someone can help
> out.  

Yes, it work, but it not clean.

> Perhaps you should try asking Dirk.

Dirk ?


> Seb  
> On 25/09/06, Gilles Caulier <caulier.gilles at kdemail.net> wrote:> On Monday
> 25 September 2006 08:10, Seb Ruiz wrote:> > On 25/09/06, Gilles Caulier
> <caulier.gilles at kdemail.net> wrote:> > > We are already talking about lib
> version with Achim using IRC channel in> > > the past. If i rememeber,
> --version-info need to be changed... and i'm so> > > surprise than nobody
> have fixed that in svn.> >> > Speaking of which, what irc channel do you
> guys hangout in. I prefer> > irc over email.>> Seb,>> I have an indeep
> technical question for you. Like you came from Amarok team,> perhaps you
> have already talk about...>> My problem is relevant of dcraw program used
> in Rawconverter plugin (and also> digiKam)>> Actually, we using an external
> instance of dcraw program. dcraw is a pure C> Ansi implementation. It used
> to decode Raw image data to RGB color space.>> We have some problems with
> old dcraw versions. A lots of users report> compatibilty dysfonctions,
> because dcraw command line options changes> reguliary. There is no
> compatibility with command options.>> To have contacted the dcraw author,
> he will take a care about this problem in> the future, but the problem will
> exist during any years...>> My idea to solve this problem at now, is to
> include dcraw source code itself> into the plugin. We can just compile
> dcraw.c program to generate a dedicaced> kipidcraw binary program witch
> will be used by the plugin instead dcraw. Like> this we using a full tested
> and compatible dcraw version.>> The dcraw.c implementation embedded into
> kipi plugin will not be untouched.>> My problem using this way is to
> compile dcraw.c implementation with all C> options used by kde project. I
> have a problem with the "-std=iso9899:1990"> gcc option witch is
> uncompatible with the current implementation. Look like> the dcraw
> compilation failed in my computer (here compiled into the digiKam> core)
> :>> if gcc -DHAVE_CONFIG_H -I. -I. -I../../.. -I../../../digikam/digikam>
> -I/opt/kde3/include -I/usr/lib/qt3/include -I/usr/X11R6/include>
> -DQT_THREAD_SUPPORT  -D_REENTRANT -w -std=iso9899:1990 -W -Wall>
> -Wchar-subscripts -Wshadow -Wpointer-arith -Wmissing-prototypes>
> -Wwrite-strings -D_XOPEN_SOURCE=500 -D_BSD_SOURCE -g3 -fno-inline>
> -Wformat-security -Wmissing-format-attribute -MT digikamdcraw-dcraw.o -MD
> -MP> -MF ".deps/digikamdcraw-dcraw.Tpo" -c -o digikamdcraw-dcraw.o `test
> -f> 'dcraw.c' || echo './'`dcraw.c; \> then mv -f
> ".deps/digikamdcraw-dcraw.Tpo" ".deps/digikamdcraw-dcraw.Po"; else> rm -f
> ".deps/digikamdcraw-dcraw.Tpo"; exit 1; fi> In file included from
> dcraw.c:50:> /usr/include/lcms.h:1340: error: expected â=â, â,â, â;â, âasmâ
> or> â__attribute__â before âintâ> /usr/include/lcms.h:1366: error: expected
> â=â, â,â, â;â, âasmâ or> â__attribute__â before âWORDâ>
> /usr/include/lcms.h:1417: error: expected â=â, â,â, â;â, âasmâ or>
> â__attribute__â before âFixed32â> /usr/include/lcms.h:1418: error: expected
> â=â, â,â, â;â, âasmâ or> â__attribute__â before âintâ> make: ***
> [digikamdcraw-dcraw.o] Erreur 1>> In the Makefile.am, i have this options
> :>> ...> #-- dcraw binary
> ------------------------------------------------->> bin_PROGRAMS =
> digikamdcraw>> digikamdcraw_CFLAGS = -w>> digikamdcraw_SOURCES = dcraw.c>>
> digikamdcraw_LDFLAGS = -O4 -lm -ljpeg -llcms> ...>> In fact, all compile
> fine if i remove by hand the "-std=iso9899:1990" gcc> option from the
> command line !>> My question is simple : witch automake command i must use
> into the Makefile.am> to force dcraw compilation to unuse this gcc option
> ?>> Thanks in advance for your help>> Gilles>>
> -- http://www.sebruiz.net/

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