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Enable multilib-space for everyone #913

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Add CT_MULTILIB_SPACE=y to the common configuration.

These got left out of the gcc 14.2 patch series.

Signed-off-by: Keith Packard <[email protected]>
When building a multilib-space toolchain, disable C++ exceptions in
libstdc++ for the -Os variants.

Signed-off-by: Keith Packard <[email protected]>
Move picolibc forward to include patches that eliminate exception
table entries for the arm asm code.

Signed-off-by: Keith Packard <[email protected]>
When we're using C++ exceptions, we need to use the full version of
libstdc++ that includes exception support. With multilib-space, that
means using the -O2 version instead of the -Os version.

Signed-off-by: Keith Packard <[email protected]>
Add CT_MULTILIB_SPACE=y to the common configuration.

Signed-off-by: Keith Packard <[email protected]>
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Included in #915

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