src: Use gnu17 as the default C standard for userland instead of gnu99

Tracking newer versions of C (and C++) permits assuming newer language
features in the base system. Some C11 extensions are al

src: Use gnu17 as the default C standard for userland instead of gnu99

Tracking newer versions of C (and C++) permits assuming newer language
features in the base system. Some C11 extensions are already used in
the base system but implemented on top of GNU C extensions such as
_Alignas and _Static_assert. In some cases the fallback versions in
cdefs.h are more limited than the native C11 extensions.

Even though C11 is the next major version of C, C17 is chosen instead
since C17 does not add new features to C but merely fixes defects in
C11. It is also well supported by a wide range of clang (7.0.0+) and
GCC (8.1+) versions.

Along with changing the default, this change also removes explicit
requests for c11 via the CSTD variable in various Makefiles.

Libraries and binaries for ZFS continue to use c99.

PR: 284039 (exp-run)
Reviewed by: imp, arichardson, emaste
Differential Revision: https://reviews.freebsd.org/D43237

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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/

newfs_msdos: connect the ATF test from NetBSD

NetBSD has an ATF test for newfs_msdos. Connect it to the build.
Adapt it for FreeBSD. This would have caught the bug fixed by my
previous commit.

Re

newfs_msdos: connect the ATF test from NetBSD

NetBSD has an ATF test for newfs_msdos. Connect it to the build.
Adapt it for FreeBSD. This would have caught the bug fixed by my
previous commit.

Reviewed by: delphij, emaste
MFC after: 1 week
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D34116

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MFH

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

Fix makefs bootstrap on macOS after D25563

The macOS assert.h header does not define static_assert when compiling in
C99 mode. To fix this compile with -std=c11.

Reviewed By: emaste
Differential Re

Fix makefs bootstrap on macOS after D25563

The macOS assert.h header does not define static_assert when compiling in
C99 mode. To fix this compile with -std=c11.

Reviewed By: emaste
Differential Revision: https://reviews.freebsd.org/D25928

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Merge the projects/release-pkg branch to head.

This allows packaging the base system with pkg(8), including
but not limited to providing the ability to provide upstream
binary update possibilities f

Merge the projects/release-pkg branch to head.

This allows packaging the base system with pkg(8), including
but not limited to providing the ability to provide upstream
binary update possibilities for non-tier-1 architectures.

This merge is a requirement of the 11.0-RELEASE, and as such,
thank you to everyone that has tested the project branch.

Documentation in build(7) etc. is still somewhat sparse, but
updates to those parts will follow.

Sponsored by: The FreeBSD Foundation

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Explicitly add more files to the 'runtime' package.

Sponsored by: The FreeBSD Foundation

Catch up with head (r291075).

Merge from head

Sponsored by: Gandi.net

Merge from head

MFH r289372-r289382

Sponsored by: The FreeBSD Foundation

newfs_msdos: move mkfs_msdos to separate file for later use in makefs

Sponsored by: The FreeBSD Foundation

Check in first src/tests snapshot from NetBSD anoncvs

Sources were obtained like so:

% export CVSROOT="anoncvs@anoncvs.NetBSD.org:/cvsroot"
% cvs -z9 co -D "09/30/2014 20:45" -P src/tests
% mv src/

Check in first src/tests snapshot from NetBSD anoncvs

Sources were obtained like so:

% export CVSROOT="anoncvs@anoncvs.NetBSD.org:/cvsroot"
% cvs -z9 co -D "09/30/2014 20:45" -P src/tests
% mv src/tests/* tests/dist/.

'*CVS*' has been added to svn:ignore to ease updating periodically from
upstream

Some line ending issues had to be resolved with test outputs and scripts
via dos2unix and by deleting the eol-style property set in usr.bin/sort

Discussed with: rpaulo
Sponsored by: EMC / Isilon Storage Division

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MFtbemd:

Prefer MACHNE_CPUARCH to MACHINE_ARCH in most contexts where you want
to test of all the CPUs of a given family conform.

IFH@204581

MFC @199204

Switch the default WARNS level for sbin/ to 6.

Submitted by: Ulrich Spörlein

Bring back WARNS to 3 for arm until I figure out how to make gcc happy.

Oops... Remove the line leaked in the last commit which is not
intended to be there...

WARNS=6 cleanup:

- Initialize everything in the struct array, not only the mentioned
ones
- Unconditionally initialize hs to 0 to avoid repeatly doing so
- Cast to unsigned int when comparing

WARNS=6 cleanup:

- Initialize everything in the struct array, not only the mentioned
ones
- Unconditionally initialize hs to 0 to avoid repeatly doing so
- Cast to unsigned int when comparing to unsigned variables.

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style.Makefile(5):
Use WARNS?= instead of WARNS=.

Additional PC98 option is not needed.

Default to WARNS=2.
Binary builds that cannot handle this must explicitly set WARNS=0.

Reviewed by: mike

- Backout botched attempt to introduce MANSECT feature.
- MAN[1-9] -> MAN.