[fpc-devel] ncurses example on arm linux uclibc

[Nataraj S Narayan]

Hi Jonas

-XR dont work for me. Giving

debian:/software/fpc-svn/packages/ncurses/examples#
/software/fpc-uclibc/lib/fpc/2.5.1/ppcrossarm   -MObjFPC -TLinux
-Parmv5 -gl -Xd -Xs -l -darm  -XParm-linux-uclibcgnueabi- -CfSOFT
-CaEABI -darm -gl -O- -CpARMV5 examples/firework.pp -uUSE_LOCALIZE
firework.pp  -Fu/software/fpc-uclibc/lib/fpc/2.5.1/units/arm-linux/*
-FL/usr/br-git-rf/lib/ld-uClibc.so.0 -XR/usr/br-git-rf
Free Pascal Compiler version 2.5.1 [2009/10/23] for arm
Copyright (c) 1993-2009 by Florian Klaempfl
/usr/bin/arm-linux-uclibcgnueabi-ld: cannot find -lncursesw
firework.pp(120,48) Error: Error while linking
firework.pp(120,48) Fatal: There were 1 errors compiling module, stopping
Fatal: Compilation aborted

regards

Nataraj

On Fri, Oct 23, 2009 at 7:53 PM, Jonas Maebe <jonas.maebe at elis.ugent.be> wrote:
>
> On 23 Oct 2009, at 15:55, Nataraj S Narayan wrote:
>
>> While trying to compile 'firework.pp' under packages/ncurse, for
>> arm-linux-uclibcgnueabi-
>
> uclibc support has not been maintained for a long time, so if it works
> you're lucky.
>
>> Since my target SBC dont have libncursesw.so i did a symlink to
>> libncurses.so.5.6.
>
> Is its functionality also in that library?
>
>> Target file system is uclibc based. ppcrossarm is compiled with
>> arm-linux-uclibcgnueabi-
>>
>> I am  able to compile on host  & execute on target a simple
>> Helloworld.pas.
>>
>> Using :-
>> /software/fpc-uclibc/lib/fpc/2.5.1/ppcrossarm  -n -MObjFPC -TLinux
>> -Parmv5 -gl -Xd -Xs -l -darm  -XParm-linux-uclibcgnueabi- -CfSOFT
>> -CaEABI -darm -gl -O- -CpARMV5 examples/firework.pp -uUSE_LOCALIZE
>> firework.pp  -Fu/software/fpc-uclibc/lib/fpc/2.5.1/units/arm-linux/*
>> -Fl/usr/br-git-rf/usr/lib -FL/usr/br-git-rf/lib/ld-uClibc.so.0
>
> You should use -XR/usr/br-git-rf (note the uppercase R!) instead of the -Fl.
> That will set the "root" directory relative to which all libraries/object
> files are searched.
>
>> I get the following errors when compiling :-
>>
>> Free Pascal Compiler version 2.5.1 [2009/10/23] for arm
>> Copyright (c) 1993-2009 by Florian Klaempfl
>> /usr/bin/arm-linux-uclibcgnueabi-ld: warning: libc.so.0, needed by
>> /usr/br-git-rf/usr/lib//libncursesw.so, not found (try using -rpath or
>> -rpath-link)
>
> That may be solved by the -XR
>
>> /software/fpc-uclibc/lib/fpc/2.5.1/units/arm-linux/rtl/cprt0.o: In
>> function `_start':
>> (.text+0x4c): undefined reference to `__libc_start_main'
>
> That's because of the previous error.
>
>> /usr/br-git-rf/usr/lib//libc.a(sigrestorer.os):(.ARM.exidx+0x0):
>> undefined reference to `__aeabi_unwind_cpp_pr1'
>> /usr/br-git-rf/usr/lib//libc.a(fread_unlocked.os): In function
>> `fread_unlocked':
>> fread_unlocked.c:(.text+0x4c): undefined reference to `__aeabi_uidiv'
>> fread_unlocked.c:(.text+0x130): undefined reference to `__aeabi_uidiv'
>
> No idea whether these are part of libc or libgcc. You may also have to add
> {$linklib gcc} to your program and -Fl/path/to/libgcc to your command line.
>
>
> Jonas
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