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Re: some problems with uClibc

From: Giuseppe Scrivano
Subject: Re: some problems with uClibc
Date: Thu, 14 Apr 2011 18:39:53 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

Hi Bruno,

Bruno Haible <address@hidden> writes:

>> 1) With an uClibc compiled without wchar support I had to include
>> <stddef.h> in the "wchar.h" file.  uClibc defines __GLIBC__ as well, so
>> the previous guarded inclusion doesn't work.  I had to add:
>> #ifdef __UCLIBC__
>> # include <stddef.h>
>> #endif
> What was the problem exactly? In particular, which error do you get when
> you run
>   $ gnulib-tool --create-testdir --dir=/tmp/testdir --with-tests 
> --with-c++-tests wchar
> and then compile the resulting testdir on your uClibc-without-wide-char
> system? First with "make", then with "make -k".

I get exactly the same error:

make[4]: Entering directory `/tmp/testdir/gltests'
-I../gllib -I./../gllib    -MT test-wchar-c++.o -MD -MP -MF 
.deps/test-wchar-c++.Tpo -c -o test-wchar-c++.o test-wchar-c++.cc
mv -f .deps/test-wchar-c++.Tpo .deps/test-wchar-c++.Po
g++     -o test-wchar-c++ test-wchar-c++.o ../gllib/libgnu.a    
-I../gllib -I./../gllib   --sysroot=/tmp/openrisc/toolchain/or32-linux/sys-root 
-MT test-wchar.o -MD -MP -MF .deps/test-wchar.Tpo -c -o test-wchar.o 
test-wchar.c:26:9: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ 
before ‘a’
test-wchar.c:31:1: error: ‘NULL’ undeclared here (not in a function)
test-wchar.c:31:1: error: bit-field ‘verify_error_if_negative_size__’ width not 
an integer constant

>> 2) Even if I have used the `mbtowc' gnulib module, the mbtowc.o object
>> file wasn't included in the final static library, it was necessary to
>> tweak manually the Makefile to do so.

I'll take a more detailed look later tonight.


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