Add support for mipsn64 targets which build 64 bit binaries by default
on instead of n32

various changes to get GCC 10 to build here.

- fix path to compiler-specific includes
- missing (void) for (older) C
- fix __is_signed/__is_signed_val change
- avoid compiler warning-as-errors
- add

various changes to get GCC 10 to build here.

- fix path to compiler-specific includes
- missing (void) for (older) C
- fix __is_signed/__is_signed_val change
- avoid compiler warning-as-errors
- add to existing COPTS.file values, instead of setting
- bump libgomp minor; functions were added
- add new 'compare' c++ header
- handle new analyzer subdirectory. set TARGET_MACHINE for lto-streamer-in.c.
remove params.list etc handling.
- coroutines.cc is another .cc not .c. adjust .PATH to suit.
- add new lto1 sources
- couple of files not in /arch/ subdirs missed in mknative update.

rs6000.c is still not merged.

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Mark this -z nodelete, so that it does not get unloaded before other shared
libraries do, since they destructors need to still call millicode.
The problem this time was with /usr/pkg/bin/gdk-pixbuf-q

Mark this -z nodelete, so that it does not get unloaded before other shared
libraries do, since they destructors need to still call millicode.
The problem this time was with /usr/pkg/bin/gdk-pixbuf-query-loaders
calling glib2's g_log...

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hackaround a problem on mips64 in soft-fp between libgcc and our libc.

i'm not 100% sure how this should work (matt?), as now we have some
functions coming from libc and some from libgcc, but this a

hackaround a problem on mips64 in soft-fp between libgcc and our libc.

i'm not 100% sure how this should work (matt?), as now we have some
functions coming from libc and some from libgcc, but this at least
builds now.

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slightly rearrange the generation of SRCS.

Add space before "]" in "if [ ... ]" to fix usage error
and test for existence of the correct file.

port over 3 changes made here in the GCC 4.5 tree that we'll need
when GCC 4.8 becomes "gcc.old" eventually.

this tree still needs to be tested for more, but this should be the
bulk of the work.

--

port over 3 changes made here in the GCC 4.5 tree that we'll need
when GCC 4.8 becomes "gcc.old" eventually.

this tree still needs to be tested for more, but this should be the
bulk of the work.

----
Log Message:
prepare for moving GCC 4.5 into gcc.old:

- convert to using ${EXTERNAL_GCC_SUBDIR}
- define base-external-gpl3-gcc* subdir as GCC_SUBDIR
- use <bsd.init.mk> over <bsd.own.mk> for a bunch of places; mostly
because it arranges for ../Makefile.inc to be included earlier, and
don't bother including the latter if the former is already included.
- move all .PATH: settings after <bsd.{own,lib}.mk> so that all
valid variables are set before it is evaluated
- rename mknative-gcc* to match their subdir name.

XXX the relationship between the Makefile.inc/Makefile.gcc_path files
is kind of sketchy, it would be great if this was fixed.

----
Log Message:
oops, avoid re-setting DIST to something that might be wrong now.

----
Log Message:
fix another dated DIST.

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Remove automatically generated file "libgcc-std.ver" while cleaning.

merge GCC 4.8 build.

prepare for moving GCC 4.5 into gcc.old:

- convert to using ${EXTERNAL_GCC_SUBDIR}
- define base-external-gpl3-gcc* subdir as GCC_SUBDIR
- use <bsd.init.mk> over <bsd.own.mk> for a bunch of places;

prepare for moving GCC 4.5 into gcc.old:

- convert to using ${EXTERNAL_GCC_SUBDIR}
- define base-external-gpl3-gcc* subdir as GCC_SUBDIR
- use <bsd.init.mk> over <bsd.own.mk> for a bunch of places; mostly
because it arranges for ../Makefile.inc to be included earlier, and
don't bother including the latter if the former is already included.
- move all .PATH: settings after <bsd.{own,lib}.mk> so that all
valid variables are set before it is evaluated
- rename mknative-gcc* to match their subdir name.

XXX the relationship between the Makefile.inc/Makefile.gcc_path files
is kind of sketchy, it would be great if this was fixed.

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deal with LIB2_EH has ASM (.S) files.

Make the mips softloat special case the same as in the libgcc Makefile.

Treat emips specially as we did with libgcc. Needs some of the softfloat
functions, even if it does not MKSOFTFLOAT.
XXX: still bad text relocations in eh_frame.

clean out some unused code.

add a hack for emips libgcc (32 bit mips with softfloat.)

*sigh* move these files into the directories i meant for them to exist in.
start actually porting to gcc 4.5 in the process.