[Buildroot] SDL_image, SDL_ttf & Co

Sat Nov 25 10:08:06 UTC 2006

Well,

don't worry I have the same problem... :-)
I'm trying to compile SDL_image on ARM platform and, when linking time has come,
"libtool" is asking LD to use /usr/lib/libpng12.so instead of the one in my
staging _dir/.
I have spend some hours now and didn't find yet a way to correctly configure
SDL_image's libtool to tell it not to search for shared libraries in my host
/usr/lib.
One thing I know is that a friend has successfully compiled SDL_image 1.4 with
buildroot one year ago. DirectFB Buildroot's package seems to have the same
"libpng" problem, if you look at Buildroot's bug tracking system.

I will let you know if I find something new.
I agree with you to separate the thing in independent packages and my Makefile
is very similar to yours.

Regards,
Julien

Selon Claudio Leonel <cls at elaxys.com.br>:

> Hi,
>
> It is a coincidence !
> We are right now also trying to write buildroot
> packages for SDL_image, SDL_ttf and SDL_gfx.
> We don't know buildroot well, but I think It does
> not support package hierarchies so it will be
> better to write three independent packages:
> sld_image, sdl_ttf and sdl_gfx.
>
> We are having problems writing the SDL_image package
> (our first one). We based it on the original SDL package.
> It seems that the linker is linking with our host library
> 'libpng12' instead of the target library in the staging_dir.
> The errors are listed below, and our 'sdl_image.mk' makefile
> follows. We would appreciate if anyone could tell us
> what we did wrong.
>
> Regards
>
>
>
---------------------------------------------------------------------------------------
>
/home/s/pchecker/s/buildroot/buildroot/build_i386/staging_dir/bin/i386-linux-uclibc-gcc
> -Os -pipe
>
-I/home/s/pchecker/s/buildroot/buildroot/build_i386/staging_dir/usr/include/SDL
> -D_GNU_SOURCE=1 -D_REENTRANT -o .libs/showimage showimage.o -Wl,-rpath
> -Wl,/home/s/pchecker/s/buildroot/buildroot/build_i386/staging_dir/usr/lib
>   -L/home/s/pchecker/s/buildroot/buildroot/build_i386/staging_dir/lib
> ./.libs/libSDL_image.so /usr/lib/libpng12.so -lz
> -L/home/s/pchecker/s/buildroot/buildroot/build_i386/staging_dir/usr/lib
>
/home/s/pchecker/s/buildroot/buildroot/build_i386/staging_dir/usr/lib/libSDL.so
> -lm -ldl -lpthread -Wl,--rpath
> -Wl,/home/s/pchecker/s/buildroot/buildroot/build_i386/staging_dir/usr/lib
>
/home/s/pchecker/s/buildroot/buildroot/build_i386/staging_dir/bin-ccache/../lib/gcc/i386-linux-uclibc/3.4.6/../../../../i386-linux-uclibc/bin/ld:
> warning: libm.so.6, needed by /usr/lib/libpng12.so, not found (try using
> -rpath or -rpath-link)
>
/home/s/pchecker/s/buildroot/buildroot/build_i386/staging_dir/bin-ccache/../lib/gcc/i386-linux-uclibc/3.4.6/../../../../i386-linux-uclibc/bin/ld:
> warning: libc.so.6, needed by /usr/lib/libpng12.so, not found (try using
> -rpath or -rpath-link)
> /usr/lib/libpng12.so: undefined reference to `strcpy at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `free at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `_setjmp at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `pow at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `strncpy at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `fread at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `sprintf at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `fflush at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `gmtime at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `memset at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `memcpy at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `malloc at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `longjmp at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `fprintf at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `__stack_chk_fail at GLIBC_2.4'
> /usr/lib/libpng12.so: undefined reference to `strlen at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `stderr at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `fwrite at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `__strtod_internal at GLIBC_2.0'
> /usr/lib/libpng12.so: undefined reference to `abort at GLIBC_2.0'
> collect2: ld returned 1 exit status
> make[1]: *** [showimage] Error 1
> make[1]: Leaving directory
> `/home/s/pchecker/s/buildroot/buildroot/build_i386/SDL_image-1.2.5'
> make: ***
> [/home/s/pchecker/s/buildroot/buildroot/build_i386/SDL_image-1.2.5/.compiled]
> Error 2
> -----------------------------------------------------------------------------
>
>
>
> sdl_image.mk file:
>
> #############################################################
> #
> # SDL_IMAGE
> #
> #############################################################
> SDL_IMAGE_VERSION:=1.2.5
> SDL_IMAGE_SOURCE:=SDL_image-$(SDL_IMAGE_VERSION).tar.gz
>
SDL_IMAGE_SITE:=http://www.libsdl.org/projects/SDL_image/release/$(SDL_IMAGE_SOURCE)
> SDL_IMAGE_CAT:=$(ZCAT)
> SDL_IMAGE_DIR:=$(BUILD_DIR)/SDL_image-$(SDL_IMAGE_VERSION)
>
> $(DL_DIR)/$(SDL_IMAGE_SOURCE):
> 	$(WGET) -P $(DL_DIR) $(SDL_IMAGE_SITE)/$(SDL_IMAGE_SOURCE)
>
> sdl_image-source: $(DL_DIR)/$(SDL_IMAGE_SOURCE)
>
> $(SDL_IMAGE_DIR)/.unpacked: $(DL_DIR)/$(SDL_IMAGE_SOURCE)
> 	$(SDL_IMAGE_CAT) $(DL_DIR)/$(SDL_IMAGE_SOURCE) | tar -C (BUILD_DIR)
> $(TAR_OPTIONS) -
> 	touch $(SDL_IMAGE_DIR)/.unpacked
>
> $(SDL_IMAGE_DIR)/.configured: $(SDL_IMAGE_DIR)/.unpacked
> 	(cd $(SDL_IMAGE_DIR); \
> 	$(TARGET_CONFIGURE_OPTS) \
> 	CFLAGS="$(TARGET_CFLAGS) " \
> 	./configure \
> 	--target=$(GNU_TARGET_NAME) \
> 	--host=$(GNU_TARGET_NAME) \
> 	--build=$(GNU_HOST_NAME) \
> 	--prefix=$(STAGING_DIR)/usr \
> 	--disable-tif );
> 	touch $(SDL_IMAGE_DIR)/.configured
>
> $(SDL_IMAGE_DIR)/.compiled: $(SDL_IMAGE_DIR)/.configured
> 	$(MAKE) -C $(SDL_IMAGE_DIR)
> 	touch $(SDL_IMAGE_DIR)/.compiled
>
> $(STAGING_DIR)/usr/lib/libSDL_image.so: $(SDL_IMAGE_DIR)/.compiled
> 	$(MAKE) -C $(SDL_IMAGE_DIR) install
> 	touch -c $(STAGING_DIR)/usr/lib/libSDL_image.so
>
> $(TARGET_DIR)/usr/lib/libSDL_image.so:
> $(STAGING_DIR)/usr/lib/libSDL_image.so
> 	cp -dpf $(STAGING_DIR)/usr/lib/libSDL_image*.so* $(TARGET_DIR)/usr/lib/
> 	-$(STRIP) --strip-unneeded $(TARGET_DIR)/usr/lib/libSDL_image.so
>
> sdl_image: uclibc sdl $(TARGET_DIR)/usr/lib/libSDL_image.so
>
> sdl_image-clean:
> 	$(MAKE) DESTDIR=$(TARGET_DIR) CC=$(TARGET_CC) -C $(SDL_IMAGE_DIR) uninstall
> 	-$(MAKE) -C $(SDL_IMAGE_DIR) clean
>
> sdl_image-dirclean:
> 	rm -rf $(SDL_IMAGE_DIR)
>
> #############################################################
> #
> # Toplevel Makefile options
> #
> #############################################################
> ifeq ($(strip $(BR2_PACKAGE_SDL_IMAGE)),y)
> TARGETS+=sdl_image
> endif
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