loader: add target for dirdeps build

Update dependencies for the loader variations used for each
architecture.

Reviewed by: sjg
Differential Revision: https://reviews.freebsd.org/D39741

Add support for host32 for DIRDEPS_BUILD

Allow building 32bit libs for host.

Move CFLAGS additions from local.sys.dirdeps.mk (which is too early
and impacts CFLAGS defaults) to local.sys.mk

Review

Add support for host32 for DIRDEPS_BUILD

Allow building 32bit libs for host.

Move CFLAGS additions from local.sys.dirdeps.mk (which is too early
and impacts CFLAGS defaults) to local.sys.mk

Reviewed by: stevek
Sponsored by: Juniper Networks, Inc.
Differential Revision: https://reviews.freebsd.org/D41946

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Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

local.dirdeps.mk ensure tools/build is built if needed

If MK_host_egacy is yes, we need it built, make sure that happens.

Reviewed by: stevek

local.dirdeps.mk no qual for PSEUDO_MACHINE_LIST

dirdeps.mk takes care of "host"
but we still need to deal with other PSEUDO_MACHINE_LIST members

local.dirdeps.mk skip N_host_libs for non-FreeBSD host

The N_host_libs dance only makes sense if host is FreeBSD.
Even then, if MK_host_egacy is yes we need libmd

libnetbsd does not need libutil wh

local.dirdeps.mk skip N_host_libs for non-FreeBSD host

The N_host_libs dance only makes sense if host is FreeBSD.
Even then, if MK_host_egacy is yes we need libmd

libnetbsd does not need libutil when using libegacy

Sponsored by: Juniper Networks, Inc.

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Simplify building host tools during DIRDEPS_BUILD

The whole point of the DIRDEPS_BUILD is to avoid tree walks
and basically build everything in a single pass.
We use the pseudo MACHINE "host" to rep

Simplify building host tools during DIRDEPS_BUILD

The whole point of the DIRDEPS_BUILD is to avoid tree walks
and basically build everything in a single pass.
We use the pseudo MACHINE "host" to represent the build host.

When the build host is not FreeBSD or is an older version of FreeBSD
it may need some help to build host-tools.

The directory tools/build does this - building libegacy.

local.sys.mk: create a pseudo option MK_host_egacy to indicate
if tools/build needs to be built for "host".

local.dirdeps.mk: set MK_host_egacy.host to ${MK_host_egacy}
all other DEP_MACHINES will get "no"

This allows a Makefile.depend.options in makefs etc to cause tools/build
to be built for host but only if necessary.

local.init.mk: use ISYSTEM as arg to -isystem so that it can be overridden.
The default remains ${STAGE_INCLUDEDIR}

src.init.mk: if MACHINE is host and we are not FreeBSD
set some MK_ flags the same as tools/build/mk/Makefile.boot.pre and
include src.init.${.MAKE.OS:tl}.mk if it exists.

For older versions of FreeBSD add libegacy when building PROGs for "host"

Also instead of -isystem${STAGE_INCLUDEDIR} we want
-I${STAGE_INCLUDEDIR} and -isystem/usr/include so we override ISYSTEM.
This means any headers we stage for "host" will take precedence over
system headers but #include_next will DTRT.

src.init.linux.mk: add
-I${SRCTOP}/tools/build/cross-build/include/linux
and generally deal with building host tools on Linux.
Eg. static linking does not work so set NO_SHARED= no
Override some HAVE_ flags.

src.sys.env.mk: on linux awk throws an warning about # in newvers.sh
just send stderr to /dev/null

Reviewed by: jrtc27, arichardson
Sponsored by: Juniper Networks, Inc.
Differential Revision: https://reviews.freebsd.org/D39744

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Update meta.sys.mk and related local*mk

Move the setting of TARGET_SPEC_VARS to local.sys.env.mk
so meta.sys.mk can do the processing, and include local.meta.sys.mk
later.

Move the setting of GENDI

Update meta.sys.mk and related local*mk

Move the setting of TARGET_SPEC_VARS to local.sys.env.mk
so meta.sys.mk can do the processing, and include local.meta.sys.mk
later.

Move the setting of GENDIRDEPS_FILTER*_VARS from local.gendirdeps.mk
to local.meta.sys.mk so we can automatically set DEP_* at level 1+
to avoid syntax errors when DEP_* variables are used in conditionals
in Makefile.depend files.

Update gendirdeps.mk just to get the documentation about the above.
No functional change.

local.dirdeps.mk be more careful about adding to DIRDEPS to avoid
unnecessary overhead, and introducing cycles in the graph.
Also set DEP_MACHINE_CPUARCH.

Reviewed by: stevek
Sponsored by: Juniper Networks, Inc.
Differential Revision: https://reviews.freebsd.org/D39737

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Allow site.*.mk to augment local.*.mk and src.*.mk

Add some extra customization points so that FreeBSD build
can be adapted to local requirements.
We use these to minimize changes to share/mk

Revie

Allow site.*.mk to augment local.*.mk and src.*.mk

Add some extra customization points so that FreeBSD build
can be adapted to local requirements.
We use these to minimize changes to share/mk

Reviewed by: stevek
Sponsored by: Juniper Networks, Inc.
Differential Revision: https://reviews.freebsd.org/D37617

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Update dirdeps.mk et al to latest

Move some local tweaks to local.*.mk

Reviewed by: bdrewery
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D27300

Merge ^/head r358400 through r358465.

retire the LLVM_LIBUNWIND option

LLVM's libunwind is used on all FreeBSD-supported CPU architectures and
is a required component.

Reviewed by: brooks (earlier)
Sponsored by: The FreeBSD Foundation

retire the LLVM_LIBUNWIND option

LLVM's libunwind is used on all FreeBSD-supported CPU architectures and
is a required component.

Reviewed by: brooks (earlier)
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D23123

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remove GCC 4.2.1 build infrastructure

As described in Warner's email message[1] to the FreeBSD-arch mailing
list we have reached GCC 4.2.1's retirement date. At this time all
supported architecture

remove GCC 4.2.1 build infrastructure

As described in Warner's email message[1] to the FreeBSD-arch mailing
list we have reached GCC 4.2.1's retirement date. At this time all
supported architectures either use in-tree Clang, or rely on external
toolchain (i.e., a contemporary GCC version from ports).

GCC 4.2.1 was released July 18, 2007 and was imported into FreeBSD later
that year, in r171825. GCC has served us well, but version 4.2.1 is
obsolete and not used by default on any architecture in FreeBSD. It
does not support modern C and does not support arm64 or RISC-V.

Thanks to everyone responsible for maintaining, updating, and testing
GCC in the FreeBSD base system over the years.

So long, and thanks for all the fish.

[1] https://lists.freebsd.org/pipermail/freebsd-arch/2020-January/019823.html

PR: 228919
Reviewed by: brooks, imp
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D23124

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Merge ^/head r357270 through r357349.

retire BSD_CRTBEGIN option

BSD crt is currently used on all architectures (other than sparc64).
Remove the option and use BSD crt everywhere as part of the GCC 4.2.1
retirement plan.

https://lists.

retire BSD_CRTBEGIN option

BSD crt is currently used on all architectures (other than sparc64).
Remove the option and use BSD crt everywhere as part of the GCC 4.2.1
retirement plan.

https://lists.freebsd.org/pipermail/freebsd-arch/2020-January/019823.html

PR: 239851
Reviewed by: andrew, brooks
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D23122

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Provide libssp based on libc

For libssp.so, rebuild stack_protector.c with FORTIFY_SOURCE stubs that just
abort built into it.

For libssp_nonshared.a, steal stack_protector_compat.c from
^/lib/libc

Provide libssp based on libc

For libssp.so, rebuild stack_protector.c with FORTIFY_SOURCE stubs that just
abort built into it.

For libssp_nonshared.a, steal stack_protector_compat.c from
^/lib/libc/secure and massage it to maintain that __stack_chk_fail_local
is a hidden symbol.

libssp is now built unconditionally regardless of {WITH,WITHOUT}_SSP in the
build environment, and the gcclibs version has been disconnected from the
build in favor of this one.

PR: 242950 (exp-run)
Reviewed by: kib, emaste, pfg, Oliver Pinter (earlier version)
Also discussed with: kan
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D22943

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Tweaks for DIRDEPS_BUILD

libmagic only depend on mkmagic if not DIRDEPS_BUILD

libpmc fix -I for libpmcstat

local.dirdeps.mk be even more careful about adding gnu/lib/csu to DIRDEPS

Reviewed by: b

Tweaks for DIRDEPS_BUILD

libmagic only depend on mkmagic if not DIRDEPS_BUILD

libpmc fix -I for libpmcstat

local.dirdeps.mk be even more careful about adding gnu/lib/csu to DIRDEPS

Reviewed by: bdrewery
Differential Revision: https://reviews.freebsd.org/D22872

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Update dirdeps.mk and gendirdeps.mk

The env space consumed by exporting all libc's .meta files
left little room for command line,
so unexport when done.

Update dirdeps.mk to latest and add
dirdeps-

Update dirdeps.mk and gendirdeps.mk

The env space consumed by exporting all libc's .meta files
left little room for command line,
so unexport when done.

Update dirdeps.mk to latest and add
dirdeps-targets.mk to simplify/update targets/Makefile

Makefile changes to go with Makefile.depend changes in D22494

Reviewed by: bdrewery
MFC after: 1 week
Sponsored by: Juniper Networks
Differential Revision: https://reviews.freebsd.org/D22495

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MFH @ r337607, in preparation for boarding

Merge ^/head r336870 through r337285, and resolve conflicts.

Update dirdeps.mk et al to latest

dirdeps.mk and meta.autodep.mk will now look for
Makefile.depend.options
to handle optional dependencies, the work is all done by
dirdeps-options.mk

Also update to

Update dirdeps.mk et al to latest

dirdeps.mk and meta.autodep.mk will now look for
Makefile.depend.options
to handle optional dependencies, the work is all done by
dirdeps-options.mk

Also update to latest meta.stage.mk and gendirdeps.mk

Reviewed by: bdrewery
Differential Revision: https://reviews.freebsd.org/D15701

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Merge ^/head r323559 through r325504.

MFhead@r325383

DIRDEPS_BUILD: Cleanup leftover WORLDTMP files.

This will force any existing objects to rebuild if their .meta
files reference files from WORLDTMP. This is a problem after
the UNIFIED_OBJDIR effort

DIRDEPS_BUILD: Cleanup leftover WORLDTMP files.

This will force any existing objects to rebuild if their .meta
files reference files from WORLDTMP. This is a problem after
the UNIFIED_OBJDIR effort caused buildworld and DIRDEPS_BUILD
to share an OBJDIR. Without cleaning these files the
Makefile.depend files end up with odd tmp/legacy/... entries
since some bootstrap-tools linger from there and otherwise
don't rebuild. Removing the files causes anything having
used WORLDTMP to rebuild.

Sponsored by: Dell EMC Isilon

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MFhead@r325199