Re: How to specify the path of libraries?

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booleandomain wrote:
> Andi Hellmund wrote:
>>> The problem is that all the binaries/libraries installed in "tools"
>>> are linked against the libraries in the host system. All I want to do
>>> now is to break this link and make the system contained in "tools"
>>> self-sufficient. In other words, I'd like to recompile binutils and
>>> gcc so that they link to the libraries installed in "tools" itself.
>>>
>> To accomplish your task you should use the -L  and -Wl,-rpath  option to
>> rebuild binutils and gcc.  The -L option specifies  which library paths
>> should be used by gcc during linking - this would then select your
>> libraries in the "tools" directory when gcc/collect2/ld searches for
>> unresolved symbol references. As a note: this is only used during
>> compilation/linking. If you now run the ldd command on the executable,
>> you'll see that the default (host) system libraries will still be used
>> at runtime. To get around this, -Wl,-rpath specifies which paths should
>> be searched by the  runtime linker.
>
> First of all thanks for the answer.
>
> I tried to compile binutils with the following configure options:
>
> CC="gcc -L/tools/lib -L/tools/lib32 -L/tools/lib64 -L/tools/libexec
> -Wl,-rpath /tools/lib -Wl,-rpath /tools/lib32 -Wl,-rpath /tools/lib64
> -Wl,-rpath /tools/libexec" ../binutils-2.19.1/configure
> --prefix=/tools --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
> --target=x86_64-pc-linux-gnu
You used an incorrect syntax: -Wl,-rpath,<your_path>
The last comma is important.

You should also split the CC into CC="gcc" and CFLAGS="your C flags"
>
> but during make it says me:
>
> checking size of int... configure: error: in
> '/mnt/sda2/tmp/lfs/sources/binutils/binutils-build/libiberty':
> configure: error: cannot compute sizeof (int), 77
> See 'config.log' for more details.
> Make[1]: *** [configure-libiberty] Error 1
>
> I tried compiling gcc with similar configure options, but I obtain the
> very same make error message.
>
> What's wrong?
>
> Thanks.
>
>


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