__sync_fetch_and_add_4 function missing

Heh, heh, another difficult problem!

The problem is that many applications that compile inside T2 will not
compile outside. That is, I have a full development environemt setup
in Puppy Linux, with all the required tools that were compiled in T2.

Most packages compile, but there are major exceptions, for example I
cannot compile any XFCE or gtkmm-based applications.

What I get are error messages about '__sync_fetch_and_add_4' being an
unresolved symbol.

I have done a lot of googling, and this bug is in the 'gcc' package.
It seems that gcc/libstdc++ is treating the compile as for the
386 CPU, even though I have specified a 'i486' with the '--build'
configure option (also T2 was compiled for a 486).

One fix I cam across on the Internet is to export CFLAGS="-march=i486"
and I tried this before running configure in the Gparted package
(Gparted requires gtkmm libs). But, compiling still stops with that
same error.

At this stage I don't know what to do. The thing is though, you don't
have the problem inside the T2 build system. Does anyone know why not?
Is anything special done to avoid this problem?

Regards,
Barry Kauler



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