Re: [Libuta-develop] Problem cross-compiling with mingw

[Karsten O. L. [EIT] <kl...@rh...>]

On Tue, 27 Feb 2001, Sebastien Sable wrote:

> Hello,
> 
> I have a problem cross-compiling libuta.
> 
> 
> I use this commands (cross-* comes from SDL cross-compilation page):
> ./cross-configure.sh --prefix=/usr/local/cross-tools/i386-mingw32msvc
> --enable-win32
> ./cross-make.sh
> 
> While the library is built correctly, building the demos always
> returns the same mistake:
> 
> creating demos/Makefile
> make[2]: Leaving directory
> `/home/sable/tim/dev/graphique/orig/newuta/libuta/demos'
> make[2]: Entering directory
> `/home/sable/tim/dev/graphique/orig/newuta/libuta/demos'
> c++ -DHAVE_CONFIG_H -I. -I. -I.. -I../uta   -Wall
> -I/usr/local/cross-tools/i386-mingw32msvc/include
> -I/usr/local/cross-tools/i386-mingw32msvc/include/SDL -Dmain=SDL_main
> -I/usr/local/cross-tools/i386-mingw32msvc/lib/sigc++/include
> -I/usr/local/cross-tools/i386-mingw32msvc/include   -c simple.cc
> /bin/sh ../libtool --mode=link c++    -o simple.exe  simple.o
> ../uta/libuta.la  -lttf -lSDL_mixer -lpng -lz  -lstdc++
> -L/usr/local/cross-tools/i3386-mingw32msvc/lib -lmingw32 -lSDLmain -lSDL
> -mwindows -L/usr/local/cross-tools/i386-mingw32msvc/lib -lsigc -lsmpeg
> mkdir .libs
> c++ -o simple.exe simple.o ../uta/.libs/libuta.a -lttf -lSDL_mixer -lpng -lz
> -lstdc++ -L/usr/local/cross-tools/i386-mingw32msvc/lib -lmingw32 -lSDLmain
> -lSDL -lsigc -lsmpeg -lttf -lSDL_mixer -lpng -lz -lstdc++
> -L/usr/local/cross-tools/i386-mingw32msvc/lib -lmingw32 -lSDLmain -lSDL
> -mwindows -L/usr/local/cross-tools/i386-mingw32msvc/lib -lsigc -lsmpeg
> ../uta/.libs/libuta.a(surface_io.o)(.text+0x2dc):surface_io.cc: undefined
> reference to `png_init_io'
> ../uta/.libs/libuta.a(surface_io.o)(.text+0xa84):surface_io.cc: undefined
> reference to `png_init_io'
> make[2]: *** [simple.exe] Erreur 1
> make[2]: Leaving directory
> `/home/sable/tim/dev/graphique/orig/newuta/libuta/demos'
> make[1]: *** [all-recursive] Erreur 1
> make[1]: Leaving directory
> `/home/sable/tim/dev/graphique/orig/newuta/libuta'
> make: *** [all-recursive-am] Erreur 2
> 
> the libpng is the one provided on the SDL cross-compiling page, so the
> problem probably does not come from there.
> About the same mistake happen when trying to produce a dll of libuta.
> 
I remember to ran across the same problem and built libpng by myself using
xmingw32. If you are interested I could upload the compiled library.

> Any help would be appreciated.
> By the way, is there a devel version of libuta somewhere, all the
> different tags on sourceforge seem to correspond to the same source
> code... I'd like to make a few modifications to the library so I
> prefer to work on the latest version.
> 
If you checkout the head branch of libuta (using no tag at all) you will
get the development version. You are right, though there are several tags,
the branches do no yet differ since I haven't had time to do the intended
changes.

regards,

--
Karsten-O. Laux           
kl...@rh...