Build failure (libsupc++)

[Bruce Korb]

Hi Ralf,

On Mon, Jun 9, 2008 at 8:49 AM, Ralf Wildenhues <Ralf.Wildenhues@gmx.de> wrote:
>> > The only odd thing you're doing is  configuring in a subdir with ../configure.
>> > This isn't supported, but I know some people do the same.
>>
>> It is the completely standard way to build.  Neither is a subdirectory of
>> the other.
>
> Erm, when you do ../configure, then your build tree is a subdirectory of
> your source tree.  You did ../gcc/configure, however.

If sources are mounted read only, you cannot build in a subdirectory.
Thus, it really should be pretty standard to build into a non-subdirectory.

>> Ralf wrote:
> Hmm.  Please look in
> /home/gnu/proj/gcc-bld/x86_64-unknown-linux-gnu/libstdc++-v3/config.log
> for how libstdc++-v3/configure was invoked, and what it determines as
> lt_ECHO.

Line 6489:
  lt_ECHO='echo'

> You could add 'set -x' to the libstdc++-v3/configure script and run
> 'make Makefile' to see why it does not set a useful value for $ECHO.
> (You can send the output to me off-list, bzip2'ed, if you like.)

Okay.  Thank you - Bruce