various updates to build native GCC 12.

- for usr.bin, build libcody and link it into cc1*plus
- move makefile code for auto-build.h and version.h (was gcov-iov.h)
into makefile fragment to share them. (XXX probably best to only do
this in one place, but that's a future step.)
- many updates to handle the .c -> .cc renames
- build some x86 files with -msse2
- bump shlib versions for libgomp and libstdc++v3
- fix MKGCCCMDS=no builds
- updates for new rtl-ssa subdir
- use -std=gnu++11 for various places
- define TARGET_MACHINE and HOST_MACHINE for some places
- avoid a .BEGIN rule that writes to missing obj (ie src) sometimes

cleanups still needed:
- remove a bunch of commented -Wno* that don't seem to be needed anymore
- leave or remove various vax-specific -O0s that should no longer be
necessary for the vax-gcc port
- some "XXXGCC12" that should be may be fixable or converted to using our
standard ${CC_...} warnings (but may need to remain, in which case the
XXXGCC12 marker will be removed.)

with these, and a few other changes around the tree, i've able to build
gcc12 releases for several ports that seem to work (arm64, sparc, amd64,
i386 at least so far, have run, several others have built.)

gcc: fix build with clang++ HOST_CXX

Define HOSTPROG_CXX before .include anything that brings in bsd.own.mk.
This ensures that HOST_DBG (etc) gets assigned before HOST_CFLAGS
and HOST_CXXFLAGS is created.

backend: .include <bsd.init.mk> much earlier, as per the other directories.
Fixes backend build when using clang++ as the host compiler (e.g., macOS),
because backend host tools are now built with -O.
Inspired by https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255760

Note that gcc.old/Makefile.prog may be mis-used because it defines HOSTPROG_CXX
and this Makefile fragment is included after bsd.*.mk in other Makefiles,
but they seem to build ok so leaving it alone for now.

Fixes PR toolchain/57014

branches: 1.11.2;
Patch the build script and toolchain to allow passing through
HOST_CPPFLAGS, HOST_CXXFLAGS, but not LIBRARY_PATH because it breaks
the build. These variables are necessary to support building NetBSD
from a GNU Guix or NixOS host, where /usr/include, /lib, and all
but /bin/sh do not exist. In many cases, support for HOST_CPPFLAGS
was incomplete. From Ryan Sundberg

make GCC 9.3.0 build itself:
- common-target is needed before common now
- complete build-sort.o framework
- fix cyclic dep
- fix .c vs .cc issues

branches: 1.9.2;
it's memory-block.cc in this case, not memory-block.c.

move libgomp, libcommon and libcommon-target source lists into the
generated files. libcommon-target has a per-arch list, but the
other two are the same.

- update source lists
- XXX: pull out OBJS-libcommon-target and OBJS-libcommon-target
in mknative

branches: 1.6.4;
make libbackend.a build and fix the libcommon.a sources list.
now all the gcc parts link.

ensure version.c gets rebuilt properly.

branches: 1.4.8;
add new sources in GCC 5.3.

branches: 1.3.4;
make sure that files containing version numbers are rebuilt when
the version actually changes.

branches: 1.2.2; 1.2.4;
Get GCC 4.8 closer to build with "USE_SSP" set to "yes".

merge GCC 4.8 build.

gcc: fix build with clang++ HOST_CXX

Define HOSTPROG_CXX before .include anything that brings in bsd.own.mk.
This ensures that HOST_DBG (etc) gets assigned before HOST_CFLAGS
and HOST_CXXFLAGS is created.

backend: .include <bsd.init.mk> much earlier, as per the other directories.
Fixes backend build when using clang++ as the host compiler (e.g., macOS),
because backend host tools are now built with -O.
Inspired by https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255760

Note that gcc.old/Makefile.prog may be mis-used because it defines HOSTPROG_CXX
and this Makefile fragment is included after bsd.*.mk in other Makefiles,
but they seem to build ok so leaving it alone for now.

Fixes PR toolchain/57014

branches: 1.11.2;
Patch the build script and toolchain to allow passing through
HOST_CPPFLAGS, HOST_CXXFLAGS, but not LIBRARY_PATH because it breaks
the build. These variables are necessary to support building NetBSD
from a GNU Guix or NixOS host, where /usr/include, /lib, and all
but /bin/sh do not exist. In many cases, support for HOST_CPPFLAGS
was incomplete. From Ryan Sundberg

make GCC 9.3.0 build itself:
- common-target is needed before common now
- complete build-sort.o framework
- fix cyclic dep
- fix .c vs .cc issues

branches: 1.9.2;
it's memory-block.cc in this case, not memory-block.c.

move libgomp, libcommon and libcommon-target source lists into the
generated files. libcommon-target has a per-arch list, but the
other two are the same.

- update source lists
- XXX: pull out OBJS-libcommon-target and OBJS-libcommon-target
in mknative

branches: 1.6.4;
make libbackend.a build and fix the libcommon.a sources list.
now all the gcc parts link.

ensure version.c gets rebuilt properly.

branches: 1.4.8;
add new sources in GCC 5.3.

branches: 1.3.4;
make sure that files containing version numbers are rebuilt when
the version actually changes.

branches: 1.2.2; 1.2.4;
Get GCC 4.8 closer to build with "USE_SSP" set to "yes".

merge GCC 4.8 build.

Patch the build script and toolchain to allow passing through
HOST_CPPFLAGS, HOST_CXXFLAGS, but not LIBRARY_PATH because it breaks
the build. These variables are necessary to support building NetBSD
from a GNU Guix or NixOS host, where /usr/include, /lib, and all
but /bin/sh do not exist. In many cases, support for HOST_CPPFLAGS
was incomplete. From Ryan Sundberg

make GCC 9.3.0 build itself:
- common-target is needed before common now
- complete build-sort.o framework
- fix cyclic dep
- fix .c vs .cc issues

it's memory-block.cc in this case, not memory-block.c.

move libgomp, libcommon and libcommon-target source lists into the
generated files. libcommon-target has a per-arch list, but the
other two are the same.

- update source lists
- XXX: pull out OBJS-libcommon-target and OBJS-libcommon-target
in mknative

branches: 1.6.4;
make libbackend.a build and fix the libcommon.a sources list.
now all the gcc parts link.

ensure version.c gets rebuilt properly.

branches: 1.4.8;
add new sources in GCC 5.3.

branches: 1.3.4;
make sure that files containing version numbers are rebuilt when
the version actually changes.

branches: 1.2.2; 1.2.4;
Get GCC 4.8 closer to build with "USE_SSP" set to "yes".

merge GCC 4.8 build.

make GCC 9.3.0 build itself:
- common-target is needed before common now
- complete build-sort.o framework
- fix cyclic dep
- fix .c vs .cc issues

it's memory-block.cc in this case, not memory-block.c.

move libgomp, libcommon and libcommon-target source lists into the
generated files. libcommon-target has a per-arch list, but the
other two are the same.

- update source lists
- XXX: pull out OBJS-libcommon-target and OBJS-libcommon-target
in mknative

branches: 1.6.4;
make libbackend.a build and fix the libcommon.a sources list.
now all the gcc parts link.

ensure version.c gets rebuilt properly.

branches: 1.4.8;
add new sources in GCC 5.3.

branches: 1.3.4;
make sure that files containing version numbers are rebuilt when
the version actually changes.

branches: 1.2.2; 1.2.4;
Get GCC 4.8 closer to build with "USE_SSP" set to "yes".

merge GCC 4.8 build.

it's memory-block.cc in this case, not memory-block.c.

move libgomp, libcommon and libcommon-target source lists into the
generated files. libcommon-target has a per-arch list, but the
other two are the same.

- update source lists
- XXX: pull out OBJS-libcommon-target and OBJS-libcommon-target
in mknative

make libbackend.a build and fix the libcommon.a sources list.
now all the gcc parts link.

ensure version.c gets rebuilt properly.

branches: 1.4.8;
add new sources in GCC 5.3.

branches: 1.3.4;
make sure that files containing version numbers are rebuilt when
the version actually changes.

branches: 1.2.2; 1.2.4;
Get GCC 4.8 closer to build with "USE_SSP" set to "yes".

merge GCC 4.8 build.

make libbackend.a build and fix the libcommon.a sources list.
now all the gcc parts link.

ensure version.c gets rebuilt properly.

branches: 1.4.8;
add new sources in GCC 5.3.

branches: 1.3.4;
make sure that files containing version numbers are rebuilt when
the version actually changes.

branches: 1.2.2; 1.2.4;
Get GCC 4.8 closer to build with "USE_SSP" set to "yes".

merge GCC 4.8 build.

ensure version.c gets rebuilt properly.

branches: 1.4.8;
add new sources in GCC 5.3.

branches: 1.3.4;
make sure that files containing version numbers are rebuilt when
the version actually changes.

branches: 1.2.2; 1.2.4;
Get GCC 4.8 closer to build with "USE_SSP" set to "yes".

merge GCC 4.8 build.

add new sources in GCC 5.3.

branches: 1.3.4;
make sure that files containing version numbers are rebuilt when
the version actually changes.

branches: 1.2.2; 1.2.4;
Get GCC 4.8 closer to build with "USE_SSP" set to "yes".

merge GCC 4.8 build.

branches: 1.3.4;
make sure that files containing version numbers are rebuilt when
the version actually changes.

branches: 1.2.2; 1.2.4;
Get GCC 4.8 closer to build with "USE_SSP" set to "yes".

merge GCC 4.8 build.

sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")

file Makefile was added on branch yamt-pagecache on 2014-05-22 16:53:35 +0000

Rebase.

Rebase to HEAD as of a few days ago.

file Makefile was added on branch tls-maxphys on 2014-08-19 23:56:57 +0000