Remove residual blank line at start of Makefile

This is a residual of the $FreeBSD$ removal.

MFC After: 3 days (though I'll just run the command on the branches)
Sponsored by: Netflix

Remove $FreeBSD$: one-line sh pattern

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

Merge llvm-project release/14.x llvmorg-14-init-18315-g190be5457c90

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-18315-g190be5457c90.

PR: 26174

Merge llvm-project release/14.x llvmorg-14-init-18315-g190be5457c90

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-18315-g190be5457c90.

PR: 261742
MFC after: 2 weeks

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Install unwind.h into /usr/include

Install headers from LLVM's libunwind in place of the headers from
libcxxrt and allow C applications to use the library.

As part of this, remove include/unwind.h

Install unwind.h into /usr/include

Install headers from LLVM's libunwind in place of the headers from
libcxxrt and allow C applications to use the library.

As part of this, remove include/unwind.h and switch libthr over to
using the installed unwind.h.

Reviewed by: dim, emaste
MFC after: 10 days
Differential Revision: https://reviews.freebsd.org/D34065

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MFH

Sponsored by: Rubicon Communications, LLC (netgate.com)

Avoid adding duplicates to SRCS/OBJS/SOBJS/POBJS

This is a change in preparation for stopping to use lorder.sh (D26044) and
instead assume that we have a linker newer than ~1990. Without lorder.sh
d

Avoid adding duplicates to SRCS/OBJS/SOBJS/POBJS

This is a change in preparation for stopping to use lorder.sh (D26044) and
instead assume that we have a linker newer than ~1990. Without lorder.sh
duplicates end up being passed to the linker when building .so files and this
can result in duplicate symbol definition errors.

There is one minor change: libcompiler_rt.a will no longer provide
gcc_personality_v0 and instead we now only have it in libgcc_eh.a/libgcc_s.so.
This matches GCC's behaviour.

Reviewed By: emaste, cem
Differential Revision: https://reviews.freebsd.org/D26042

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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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Merge ^/head r308491 through r308841.

libcc_{s,eh}: build without SSP

As in the gnu/lib/libgcc Makefile:
libgcc is linked in last and thus cannot depend on ssp
symbols coming from earlier libraries. Disable stack protection

libcc_{s,eh}: build without SSP

As in the gnu/lib/libgcc Makefile:
libgcc is linked in last and thus cannot depend on ssp
symbols coming from earlier libraries. Disable stack protection
for this library.

Reviewed by: dim
Sponsored by: The FreeBSD Foundation

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Merge ^/head r306906 through r307382.

Introduce lib/libgcc_eh and lib/libgcc_s for LLVM's implementation

They are not yet connected to the build, but I am adding them to allow
for easier testing, ports exp-runs, etc.

Reviewed by: ed
Sp

Introduce lib/libgcc_eh and lib/libgcc_s for LLVM's implementation

They are not yet connected to the build, but I am adding them to allow
for easier testing, ports exp-runs, etc.

Reviewed by: ed
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D8188

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