mknative-gcc for GCC 12.4.0 and everyone except ia64.

mknative-gcc for GCC 12.3.0 on arm64*, arm* besides armv4, ppc, alpha,
sh, sparc*, mips*, riscv*, vax, hppa, ia64, and m68*.

earmv4 didn't start properly, and powerpc64 failed to build, but all
the

mknative-gcc for GCC 12.3.0 on arm64*, arm* besides armv4, ppc, alpha,
sh, sparc*, mips*, riscv*, vax, hppa, ia64, and m68*.

earmv4 didn't start properly, and powerpc64 failed to build, but all
the rest seem to be OK now.

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mknative-gcc for GCC 10.5.0.

regen everything for GCC 10.4.0.

install experimental/* and ext/opt_random.h. they're expected to
be there (and the latter was removed by accident.)

regen for everyone (also picks up missing tgmath.h for many ports.)

fixes build

install experimental/* and ext/opt_random.h. they're expected to
be there (and the latter was removed by accident.)

regen for everyone (also picks up missing tgmath.h for many ports.)

fixes build of pkgsrc/databases/mongodb for me.

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mknative-gcc for GCC 10.3 and powerpc ports.

mknative-gcc for gcc 9.3.0 and arm64, alpha, hppa, ia64, m68*, mipseb,
powerpc, riscv*, sh3*, sparc*, vax.

move data from README.gcc8 to README.gcc9.

mknative-gcc for all platforms for GCC 8.4.0.

Enable EOWNERDEAD & ENOTRECOVERABLE in libstdc++

regen for mknative and all platforms. there are a few things
fixed in this, mostly related to tgmath.h or frexp, and some
generated vs hand-edited white space diffs.

oops, regen these again with right iconv prototype present.

regen mknative for powerpc and powerpc64.

Switch the iconv(3) prototype to the POSIX conformant variation

Remove const from the 2nd argument.

const char ** and char ** are incompatible types and it was a cost to keep
the technically incomp

Switch the iconv(3) prototype to the POSIX conformant variation

Remove const from the 2nd argument.

const char ** and char ** are incompatible types and it was a cost to keep
the technically incompatible form for a more purist variation. NetBSD was
almost the last alive OS to still keep the const argument (known leftovers:
Minix and Illumos).

Keep the const form for the internal purposes inside citrus and rump.

Address the build breakage fallout in the same change.

There are no ABI changes.

Change accepted by core@.

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mknative-gcc for GCC 8.3 and all ports.

mknative-gcc for most platforms again after recent tools/gcc/Makefile change.

regen mknative with symver no longer disabled.

regen mknative for ppc and sparc.

mknative gcc7 for ppc and arm64.

regenerate everything for GCC 6.5.

sh3eb and sh3el had a problem wtih libstdc++ i had to work around for now.

regen for netbsd-stdint.h inclusion

mknative-gcc for alpha, earm, i386, mips64eb, powerpc, sparc,
sparc64, and x86-64. tree does not fully build yet, however.

merge mknative files from gcc.old back into gcc.
they're back to being the same again now.

regen for gcc 5.5.

Implement __cxa_thread_atexit and __cxa_thread_atexit_impl. This
functions are used for destructors of thread_local objects.

If a pending destructor exists, prevent unloading of shared objects.
Intr

Implement __cxa_thread_atexit and __cxa_thread_atexit_impl. This
functions are used for destructors of thread_local objects.

If a pending destructor exists, prevent unloading of shared objects.
Introduce __dl_cxa_refcount interface for this purpose. When the last
reference is gone and the object has been dlclose'd before, the
unloading is finalized.

Ideally, __cxa_thread_atexit_impl wouldn't exist, but libstdc++ insists
on providing __cxa_thread_atexit as direct wrapper without further
patching.

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regen mknative for all ports and GCC 5.4 and -current. many ports
were using 5.3 data, and none of them had <stdalign.h>.