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Re: Issues building the g-i on PowerPC

From: Attilio Fiandrotti <attilio.fiandrotti(at)gmail.com>
Date: Mon Nov 19 2007 - 11:54:23 EST


Frans Pop wrote:

>>>>> The only thing that can tell exactly what happens is the full output
>>>>> of mklibs with three times the '-v' option ("-v -v -v").
>> and updated the gzipped logfile [1], but at my inexerienced eyes it
>> looks like the previous.

>
> No, it now provides the correct info. Here is what seems to happen.
>
> If I call readelf on libslang from unstable on a PPC system, I get:
> $ readelf -s libslang.so.2 | grep SLsmg_write_string
> 319: 000680c0 80 FUNC GLOBAL DEFAULT 11 SLsmg_write_string@@SLANG2
>
> In the log you provided I see:
>
> [...]
> reducing libslang.so.2
> using: SLang_init_tty@SLANG2 SLcurses_nil@SLANG2 SLutf8_enable@SLANG2 SLcurses_wscrl@SLANG2 SLcurses_wnoutrefresh@SLANG2 SLcurses_wrefresh@SLANG2 SLcurses_wattron@SLANG2 SLsmg_refresh@SLANG2 SLtt_set_cursor_visibility@SLANG2 SLcurses_wattroff@SLANG2 SLcurses_waddch@SLANG2 SLcurses_wclrtobot@SLANG2 SLcurses_cbreak@SLANG2 SLcurses_nodelay@SLANG2 SLcurses_wmove@SLANG2 SLcurses_endwin@SLANG2 SLsmg_touch_screen@SLANG2 SLcurses_delwin@SLANG2 SLcurses_wgetch@SLANG2 SLcurses_initscr@SLANG2 SLcurses_newwin@SLANG2 SLcurses_waddnstr@SLANG2 SLtt_beep@SLANG2
> resolving /usr/lib//libslang_pic.a
> resolved to /usr/lib//libslang_pic.a
> extracting from: /usr/lib//libslang_pic.a so_file: /lib//libslang.so.2
> calling mklibs-readelf --print-soname /lib//libslang.so.2
> soname: libslang.so.2
> calling mklibs-readelf --print-needed /lib//libslang.so.2
> calling gcc -nostdlib -nostartfiles -shared -Wl,-soname=libslang.so.2 -uSLcurses_nodelay -uSLsmg_refresh -uSLcurses_wnoutrefresh -uSLcurses_wgetch -uSLcurses_wscrl -uSLcurses_nil -uSLcurses_initscr -uSLcurses_endwin -uSLsmg_touch_screen -uSLcurses_wrefresh -uSLcurses_delwin -uSLcurses_wattron -uSLcurses_wmove -uSLutf8_enable -uSLcurses_wclrtobot -uSLtt_set_cursor_visibility -uSLcurses_wattroff -uSLcurses_waddnstr -uSLcurses_waddch -uSLang_init_tty -uSLcurses_cbreak -uSLcurses_newwin -uSLtt_beep -o ./tmp/powerpc_netboot-gtk/tree/lib/libslang.so.2-so /usr/lib//libslang_pic.a -lgcc -L./tmp/powerpc_netboot-gtk/tree/lib -L./tmp/powerpc_netboot-gtk/tree/usr/lib -L./tmp/powerpc_netboot-gtk/udeblibs -L./tmp/powerpc_netboot-gtk/tree/usr/lib/cdebconf/frontend -L/lib/ -L/usr/lib/ -L/usr/X11R6/lib/ -L./tmp/powerpc_netboot-gtk/tree//usr/lib/cdebconf:/usr/lib/libcairo-directfb/lib -L./tmp/powerpc_netboot-gtk/tree//usr/lib/cdebconf -ldl -lm -lc /lib//ld.so.1
> calling objcopy --strip-unneeded -R .note -R .comment ./tmp/powerpc_netboot-gtk/tree/lib/libslang.so.2-so ./tmp/powerpc_netboot-gtk/tree/lib/libslang.so.2-so-stripped
> /lib//libslang.so.2 868280L
> ./tmp/powerpc_netboot-gtk/tree/lib/libslang.so.2-so 331859L
> ./tmp/powerpc_netboot-gtk/tree/lib/libslang.so.2-so-stripped 306308L
> [...]
> calling mklibs-readelf --print-symbols-undefined \
> ./tmp/powerpc_netboot-gtk/tree/lib/libnewt.so.0.52-so-stripped
> needed_symbols adding SLsmg_write_string@SLANG2, weak: False
> [...]
> calling mklibs-readelf --print-symbols-provided \
> ./tmp/powerpc_netboot-gtk/tree/lib/libslang.so.2-so-stripped
> present_symbols adding SLsmg_write_string@Base
>
> So it looks like somehow the "@SLANG2" extension changes to "@Base" during
> library reduction and that causes that the symbol cannot be found.
> Please file a serious BR against mklibs with this info and links to this BR
> and the logfile.

I'll do

>>>>>> 2) I have rebuilt some udebs (gtk+, cairo, pango, cdebconf) against
>>>>>> dfb 1.0
>>>>> Change $debug=0 to 1 in installer/build/util/pkg-list to see what's
>>>>> pulling it in.
>> i patched the pkg-list perl script as

>
> That is correct, but your log is incomplete.
>
> You should be getting a lot of output like this near the beginning of the
> log (before the line starting with "get-packages"):
> pkg-lists: reading pkg-lists for netboot
> pkg-lists: processing pkg-lists/netboot/amd64.cfg
> pkg-lists: adding console-keymaps-at
> pkg-lists: collecting dependencies for console-keymaps-at
> pkg-lists: added cdebconf-udeb for console-keymaps-at
> pkg-lists: collecting dependencies for cdebconf-udeb
> pkg-lists: added libc6 for cdebconf-udeb
> pkg-lists: collecting dependencies for libc6
> pkg-lists: added libdebian-installer4-udeb for cdebconf-udeb
> pkg-lists: collecting dependencies for libdebian-installer4-udeb
> pkg-lists: added libc6 for libdebian-installer4-udeb
> [...]
>
> Did you 'make reallyclean'?

sure, i always call

fakeroot make reallyclean; fakeroot make build_powerpc_netboot-gtk

to build the images: the problem is that i'm not getting those lines and that's the reason why i had to remove from the UDEBS variable in the Makefile the entry about directfb 0.9.25

Attilio

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Received on Mon Nov 19 11:47:13 2007

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