[Slackbuilds-users] ocropus compilation error

[Nikos Skalkotos]

Thank you for your time. I'll try that.

On Thu, Apr 14, 2011 at 5:54 PM, Pierre Cazenave <pwcazenave at gmail.com>wrote:

> On 13/04/2011 22:34, Nikos Skalkotos wrote:
>
>> I tried to compile ocropus and I get errors like those below.
>> ocropus states iulib as it's dependency. It looks like iulib needs an SDL
>> library, maybe SDL_image, but iulib's README file does not state anything
>> about this and I can't find an SlackBuild script for it. Any Hints? Am I
>> doing something wrong?
>>
>>
> On -current, it looks like iulib requires SDL_gfx. It didn't on 13.1, for
> some reason.
>
> It seems some of the dependencies (which I also maintain) are a bit out of
> date. I have attached some updated SlackBuilds for ocropus (v0.4) and iulib
> (v0.4). I have a new tesseract build waiting, but you can't build ocropus
> against the new version of tesseract -- too many things have changed, it
> seems. I also have a leptonica build (which can be used by both tesseract
> and ocropus) but seemingly leptonica is too up to date for them.
>
> So, to summarise, if you build the following in this order, you should be
> fine on -current:
>
> 1. SDL_gfx (from SBo)
> 2. iulib (v0.4 attached)
> 3. tesseract (from SBo)
> 4. gsl (SBo)
> 5. ocropus (v0.4 attached)
>
> Pierre
>
>  Nikos Skalkotos
>>
>> P.S. I'm using slackware-current and the slackbuilds I used are from
>> slackbuilds.org 13.1 repository.
>>
>>
>>
>> g++  -O2 -march=i486 -mtune=i686 -Wl,-E -L/usr/lib -L/usr/lib -o
>> ocroscript
>> ocroscript.o ocrotoplevel.o -ltiff -lpng -ljpeg ./../ext/lua/liblua.a
>> libocroscript.a ./../libocropus.a ./../ext/tolua++/libtolua++.a
>> -ltesseract_full -lpthread -liulib -ltiff -ljpeg -lpng -lz
>> /usr/lib/libiulib.a(dgraphics.o): In function `iulib::dinit(int, int,
>> bool)':
>> dgraphics.cc:(.text+0x1a0): undefined reference to `SDL_Init'
>> dgraphics.cc:(.text+0x1bc): undefined reference to `SDL_SetVideoMode'
>> /usr/lib/libiulib.a(dgraphics.o): In function `iulib::dclear(int)':
>> dgraphics.cc:(.text+0x253): undefined reference to `SDL_MapRGB'
>> dgraphics.cc:(.text+0x26b): undefined reference to `SDL_FillRect'
>> dgraphics.cc:(.text+0x298): undefined reference to `SDL_UpdateRect'
>> /usr/lib/libiulib.a(dgraphics.o): In function `iulib::dwait()':
>> dgraphics.cc:(.text+0x2cc): undefined reference to `SDL_WaitEvent'
>> /usr/lib/libiulib.a(dgraphics.o): In function `void iulib::dshow<unsigned
>> char>(colib::narray<unsigned char>&, char const*, double, int, int)':
>> dgraphics.cc:(.text._ZN5iulib5dshowIhEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<unsigned char>(colib::narray<unsigned char>&, char const*,
>> double, int, int)]+0x125): undefined reference to `SDL_MapRGB'
>> dgraphics.cc:(.text._ZN5iulib5dshowIhEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<unsigned char>(colib::narray<unsigned char>&, char const*,
>> double, int, int)]+0x13a): undefined reference to `SDL_FillRect'
>> dgraphics.cc:(.text._ZN5iulib5dshowIhEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<unsigned char>(colib::narray<unsigned char>&, char const*,
>> double, int, int)]+0x167): undefined reference to `SDL_UpdateRect'
>> dgraphics.cc:(.text._ZN5iulib5dshowIhEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<unsigned char>(colib::narray<unsigned char>&, char const*,
>> double, int, int)]+0x1c2): undefined reference to
>> `SDL_CreateRGBSurfaceFrom'
>> dgraphics.cc:(.text._ZN5iulib5dshowIhEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<unsigned char>(colib::narray<unsigned char>&, char const*,
>> double, int, int)]+0x1dd): undefined reference to `SDL_SetAlpha'
>> dgraphics.cc:(.text._ZN5iulib5dshowIhEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<unsigned char>(colib::narray<unsigned char>&, char const*,
>> double, int, int)]+0x1fd): undefined reference to `rotozoomSurface'
>> dgraphics.cc:(.text._ZN5iulib5dshowIhEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<unsigned char>(colib::narray<unsigned char>&, char const*,
>> double, int, int)]+0x217): undefined reference to `SDL_SetAlpha'
>> dgraphics.cc:(.text._ZN5iulib5dshowIhEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<unsigned char>(colib::narray<unsigned char>&, char const*,
>> double, int, int)]+0x222): undefined reference to `SDL_FreeSurface'
>> dgraphics.cc:(.text._ZN5iulib5dshowIhEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<unsigned char>(colib::narray<unsigned char>&, char const*,
>> double, int, int)]+0x253): undefined reference to `SDL_UpperBlit'
>> dgraphics.cc:(.text._ZN5iulib5dshowIhEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<unsigned char>(colib::narray<unsigned char>&, char const*,
>> double, int, int)]+0x25b): undefined reference to `SDL_FreeSurface'
>> dgraphics.cc:(.text._ZN5iulib5dshowIhEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<unsigned char>(colib::narray<unsigned char>&, char const*,
>> double, int, int)]+0x288): undefined reference to `SDL_UpdateRect'
>> /usr/lib/libiulib.a(dgraphics.o): In function `void
>> iulib::dshow<int>(colib::narray<int>&, char const*, double, int, int)':
>> dgraphics.cc:(.text._ZN5iulib5dshowIiEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<int>(colib::narray<int>&, char const*, double, int,
>> int)]+0x125): undefined reference to `SDL_MapRGB'
>> dgraphics.cc:(.text._ZN5iulib5dshowIiEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<int>(colib::narray<int>&, char const*, double, int,
>> int)]+0x13a): undefined reference to `SDL_FillRect'
>> dgraphics.cc:(.text._ZN5iulib5dshowIiEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<int>(colib::narray<int>&, char const*, double, int,
>> int)]+0x167): undefined reference to `SDL_UpdateRect'
>> dgraphics.cc:(.text._ZN5iulib5dshowIiEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<int>(colib::narray<int>&, char const*, double, int,
>> int)]+0x1c9): undefined reference to `SDL_CreateRGBSurfaceFrom'
>> dgraphics.cc:(.text._ZN5iulib5dshowIiEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<int>(colib::narray<int>&, char const*, double, int,
>> int)]+0x1e4): undefined reference to `SDL_SetAlpha'
>> dgraphics.cc:(.text._ZN5iulib5dshowIiEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<int>(colib::narray<int>&, char const*, double, int,
>> int)]+0x204): undefined reference to `rotozoomSurface'
>> dgraphics.cc:(.text._ZN5iulib5dshowIiEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<int>(colib::narray<int>&, char const*, double, int,
>> int)]+0x21e): undefined reference to `SDL_SetAlpha'
>> dgraphics.cc:(.text._ZN5iulib5dshowIiEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<int>(colib::narray<int>&, char const*, double, int,
>> int)]+0x229): undefined reference to `SDL_FreeSurface'
>> dgraphics.cc:(.text._ZN5iulib5dshowIiEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<int>(colib::narray<int>&, char const*, double, int,
>> int)]+0x25a): undefined reference to `SDL_UpperBlit'
>> dgraphics.cc:(.text._ZN5iulib5dshowIiEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<int>(colib::narray<int>&, char const*, double, int,
>> int)]+0x262): undefined reference to `SDL_FreeSurface'
>> dgraphics.cc:(.text._ZN5iulib5dshowIiEEvRN5colib6narrayIT_EEPKcdii[void
>> iulib::dshow<int>(colib::narray<int>&, char const*, double, int,
>> int)]+0x28f): undefined reference to `SDL_UpdateRect'
>> collect2: ld returned 1 exit status
>> make[1]: *** [ocroscript] Error 1
>>
>>
>>
>>
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