Hi Julien,
No: CMAKE_EXE_LINKER_FLAGS adds the new links at the begining of the complete
flag list (so before the -lfltk... I check it with the makefile verbose option)
In fact I checked the file OTB/CMake/FindFLTK.cmake
I guess the line 310:
set(FLTK_LIBS_EXTRACT_REGEX ".*-lfltk_images (.*) -lfltk.*")
is too restrictive when fltk needs extra libs (in my case: -lXft -lfontconfig
-lXinerama)
but I did not understand well the syntax after that... so I changed directly
the line 327 by:
list(APPEND FLTK_LIBRARIES ${FLTK_BASE_LIBRARY} -lXft -lfontconfig -lXinerama)
Not very nice, but it seems ok up to now ;o)
Best,
Greg
----- Mail original -----
De: "Julien Malik" <[email protected]>
À: [email protected]
Envoyé: Mercredi 15 Janvier 2014 15:31:07
Objet: Re: [otb-users] Compilation problem
Hi Grégoire,
Probably OTB needs to link to some or all of those X libraries too.
Do you have more success if you compile FLTK with CMake instead of
autoconf ?
Another thing you can try : add the X libraries to
CMAKE_EXE_LINKER_FLAGS (and possibly CMAKE_SHARED_LINKER_FLAGS). I would
start with "-lXft -lXinerama".
Julien
On 01/14/2014 06:00 PM, Grégoire MERCIER wrote:
> Hi,
>
> When compiling the last version of OTB (from scratch) I have the following
> compilation error:
>
> Linking CXX executable ../../bin/SimpleViewer
> /usr/local/lib/../lib/libfltk.so: undefined reference to `XftListFonts'
> /usr/local/lib/../lib/libfltk.so: undefined reference to `XftFontOpen'
> /usr/local/lib/../lib/libfltk.so: undefined reference to `XftFontOpenXlfd'
> /usr/local/lib/../lib/libfltk.so: undefined reference to `XineramaIsActive'
> /usr/local/lib/../lib/libfltk.so: undefined reference to `XftDrawChange'
> /usr/local/lib/../lib/libfltk.so: undefined reference to `XftDrawCreate'
> /usr/local/lib/../lib/libfltk.so: undefined reference to `XftTextExtents32'
> /usr/local/lib/../lib/libfltk.so: undefined reference to
> `XineramaQueryScreens'
> /usr/local/lib/../lib/libfltk.so: undefined reference to `XftFontMatch'
> /usr/local/lib/../lib/libfltk.so: undefined reference to `XftDrawSetClip'
> /usr/local/lib/../lib/libfltk.so: undefined reference to `XftDrawString32'
> /usr/local/lib/../lib/libfltk.so: undefined reference to `XftFontOpenPattern'
> collect2: error: ld returned 1 exit status
>
> my FLTK (1.3.1, compiled through configure) is linked with:
> fltk-config --use-images --ldflags
> -L/usr/local/lib -Wl,-rpath,/usr/local/lib -lfltk_images -lpng -lz -ljpeg
> -lfltk -lXext -lXft -lfontconfig -lXinerama -lpthread -ldl -lm -lX11
>
> It runs on Mint that I just installed on a 64b machine...
>
> I do no see...
> Any idea ?
>
> Thanks
> Greg
>
>
>
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