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

libcasper: Neuter false positive -Wuse-after-free warnings from GCC 13

GCC 13 incorrectly thinks a call to free after a failed realloc is a
use after free.

lib/libcasper/services/cap_grp/cap_grp.c:

libcasper: Neuter false positive -Wuse-after-free warnings from GCC 13

GCC 13 incorrectly thinks a call to free after a failed realloc is a
use after free.

lib/libcasper/services/cap_grp/cap_grp.c: In function 'group_resize':
lib/libcasper/services/cap_grp/cap_grp.c:65:17: error: pointer 'buf' may be used after 'realloc' [-Werror=use-after-free]
65 | free(buf);
| ^~~~~~~~~
lib/libcasper/services/cap_grp/cap_grp.c:63:19: note: call to 'realloc' here
63 | gbuffer = realloc(buf, gbufsize);
| ^~~~~~~~~~~~~~~~~~~~~~

Reviewed by: imp, emaste
Differential Revision: https://reviews.freebsd.org/D42576

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Remove $FreeBSD$: one-line sh pattern

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

libcasper: Move helper libraries from /lib/casper to /lib.

These libraries are linked to directly by applications rather than
opened at runtime via dlopen().

Discussed with: oshogbo
Reviewed by: ma

libcasper: Move helper libraries from /lib/casper to /lib.

These libraries are linked to directly by applications rather than
opened at runtime via dlopen().

Discussed with: oshogbo
Reviewed by: markj, emaste
Differential Revision: https://reviews.freebsd.org/D39245

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Merge ^/head r351732 through r352104.

pkgbase: Move libcap_ to FreeBSD-runtime

A lot of binaries present in FreeBSD-runtime depend on it so move
the libs there.

Reviewed by: bapt, gjb
Differential Revision: https://reviews.freebsd.org/

pkgbase: Move libcap_ to FreeBSD-runtime

A lot of binaries present in FreeBSD-runtime depend on it so move
the libs there.

Reviewed by: bapt, gjb
Differential Revision: https://reviews.freebsd.org/D21501

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Introduce channel flags in libcasper.

Instead of passing flags (which describe a type of nvlist)
every send/recv we remember them in channel.
It's enough for use to extract them only during unwrap.

Introduce channel flags in libcasper.

Instead of passing flags (which describe a type of nvlist)
every send/recv we remember them in channel.
It's enough for use to extract them only during unwrap.
This simplify use of Casper.

Reviewed by: bruffer@, bcr@ (both man page)
Differential Revision: https://reviews.freebsd.org/D14196 (man page)

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Document the grp Casper service.

Reviewed by: brueffer@, bcr@
Differential Revision: https://reviews.freebsd.org/D13821

Merge ^/head r323559 through r325504.

MFhead@r325422

Casper work's only as shared library - disable building static ones.

Reviewed by: bdrewery@
Differential Revision: https://reviews.freebsd.org/D12917

MFhead@r325119

Introduce caspermocks.

The idea behinds mocks is that we don't need to ifdef a lot of code in
tools itself but those defines are hidden in the casper library.
Right now the mocks are implemented as

Introduce caspermocks.

The idea behinds mocks is that we don't need to ifdef a lot of code in
tools itself but those defines are hidden in the casper library.
Right now the mocks are implemented as define/inlines functions.
There was a very long discussion how this should be implemented.
This approach has some advantages like we don't need to link to any additional
libraries. Unfortunately there are also some disadvantages for example it is
easy to get library out of sync between two versions of functions or that we
need extra define to compile program with casper support.
This isn't an ideal solution but it's good enough for now and should simplify
capsicumizing programs. This also doesn't close us any other ways to do those
mocks and this should evolve in time.

Discussed with: pjd, emaste, ed, rwatson, bapt, cem, bdrewery
Differential Revision: https://reviews.freebsd.org/D8753

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Merge ^/head r322398 through r322746.

MFhead@r322515

Add supporting changes for `Add limited sandbox capability to "make check"`

Non-tests/... changes:
- Add HAS_TESTS= to Makefiles with libraries and programs to enable iteration
and propagate the a

Add supporting changes for `Add limited sandbox capability to "make check"`

Non-tests/... changes:
- Add HAS_TESTS= to Makefiles with libraries and programs to enable iteration
and propagate the appropriate environment down to *.test.mk.

tests/... changes:
- Add appropriate support Makefile.inc's to set HAS_TESTS in a minimal manner,
since tests/... is a special subdirectory tree compared to the others.

MFC after: 2 months
MFC with: r322511
Reviewed by: arch (silence), testing (silence)
Differential Revision: D12014

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Merge ^/head r321383 through r322397.

MFhead@r321970

Add HAS_TESTS to all Makefiles that are currently using the
`SUBDIR.${MK_TESTS}+= tests` idiom.

This is a follow up to r321912.

MFhead@r321912

Convert traditional ${MK_TESTS} conditional idiom for including test
directories to SUBDIR.${MK_TESTS} idiom

This is being done to pave the way for future work (and homogenity) in
^/projects/make-ch

Convert traditional ${MK_TESTS} conditional idiom for including test
directories to SUBDIR.${MK_TESTS} idiom

This is being done to pave the way for future work (and homogenity) in
^/projects/make-check-sandbox .

No functional change intended.

MFC after: 1 weeks

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Merge ^/head r307736 through r308146.

Set SHLIBDIR before .including src.opts.mk in libcapser services

bsd.own.mk (included from src.opts.mk) sets SHLIBDIR?=${LIBDIR}, so
SHLIBDIR must be set before including either one of them.

MFC wi

Set SHLIBDIR before .including src.opts.mk in libcapser services

bsd.own.mk (included from src.opts.mk) sets SHLIBDIR?=${LIBDIR}, so
SHLIBDIR must be set before including either one of them.

MFC with: 305626
Sponsored by: The FreeBSD Foundation

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Merge ^/head r305623 through r305686.

Move libcasper tests from regression/capsicum/libcasper/ to
lib/libcasper/service/${service_name}/tests.

Reviewed by: emaste, ngie
Differential Revision: https://reviews.freebsd.org/D7759