bsd.own.mk: rename GCC_NO_* to CC_WNO_*

Rename compiler-warning-disable variables from
GCC_NO_warning
to
CC_WNO_warning
where warning is the full warning name as used by the compiler.

GCC_NO_IMPLICIT_FALLTHRU is CC_WNO_IMPLICIT_FALLTHROUGH

Using the convention CC_compilerflag, where compilerflag
is based on the full compiler flag name.

Move libisns to /lib to allow /sbin/iscsid to work without /usr being
mounted.

introduce some common variables for use in GCC warning disables:

GCC_NO_FORMAT_TRUNCATION -Wno-format-truncation (GCC 7/8)
GCC_NO_STRINGOP_TRUNCATION -Wno-stringop-truncation (GCC 8)
GCC_NO_STRINGOP_OVERFLOW -Wno-stringop-overflow (GCC 8)
GCC_NO_CAST_FUNCTION_TYPE -Wno-cast-function-type (GCC 8)

use these to turn off warnings for most GCC-8 complaints. many
of these are false positives, most of the real bugs are already
commited, or are yet to come.


we plan to introduce versions of (some?) of these that use the
"-Wno-error=" form, which still displays the warnings but does
not make it an error, and all of the above will be re-considered
as either being "fix me" (warning still displayed) or "warning
is wrong."

branches: 1.5.26;
If a library needs a symbol from another library, pull that library in
explicitly, even if the DT_NEEDED closure would normally already ensure
the presence.

branches: 1.4.2;
These directories default to WARNS?=5

branches: 1.3.2;
fix gcc aliasing issues.

add some XXX'd -Wno-foo if HAVE_GCC >= 45.

XXX: someone should look at these.

branches: 1.1.1;
Initial revision

branches: 1.1.2;
file Version.map was initially added on branch agc-symver.

Typo fixes, use more markup.

branches: 1.1.1;
Initial revision

use strlcpy (the buffer is already zeroed)

branches: 1.1.1;
Initial revision

branches: 1.1.4;
libisns: Add expected symbols list.

PR lib/58838: shared libraries in base should all have expsym lists

make length unsigned.

branches: 1.1.1;
Initial revision

lib: remove CONSTCOND comment

Since 2021-01-31, lint doesn't need it anymore for the common pattern of
'do ... while (0)'.

branches: 1.1.1;
Initial revision

Initial import of libisns, contributed to the NetBSD Foundation by
Wasabi Systems, Inc.

libisns(3) is an implementation of the iSNS protocol as defined in
IETF RFC 4171, exporting an API that simplifies Internet Storage Name
Service (iSNS) client implementations.

Initial import of libisns, contributed to the NetBSD Foundation by
Wasabi Systems, Inc.

libisns(3) is an implementation of the iSNS protocol as defined in
IETF RFC 4171, exporting an API that simplifies Internet Storage Name
Service (iSNS) client implementations.

Initial import of libisns, contributed to the NetBSD Foundation by
Wasabi Systems, Inc.

libisns(3) is an implementation of the iSNS protocol as defined in
IETF RFC 4171, exporting an API that simplifies Internet Storage Name
Service (iSNS) client implementations.

fix mainly same typos as in my previous commit but outside sys/dev/dm.

Typos.

Use C89 functions definitions.
Remove use of __P

branches: 1.2.2;
make length unsigned.

branches: 1.1.1;
Initial revision

lib: remove CONSTCOND comment

Since 2021-01-31, lint doesn't need it anymore for the common pattern of
'do ... while (0)'.

remove useless packed attributes

branches: 1.3.40;
Kill a bunch of manual __attribute__ usages and replace them with the
equivalent sys/cdefs.h invocation.

branches: 1.2.2;
fix gcc aliasing issues.

branches: 1.1.1;
Initial revision

Initial import of libisns, contributed to the NetBSD Foundation by
Wasabi Systems, Inc.

libisns(3) is an implementation of the iSNS protocol as defined in
IETF RFC 4171, exporting an API that simplifies Internet Storage Name
Service (iSNS) client implementations.

Initial import of libisns, contributed to the NetBSD Foundation by
Wasabi Systems, Inc.

libisns(3) is an implementation of the iSNS protocol as defined in
IETF RFC 4171, exporting an API that simplifies Internet Storage Name
Service (iSNS) client implementations.

Initial import of libisns, contributed to the NetBSD Foundation by
Wasabi Systems, Inc.

libisns(3) is an implementation of the iSNS protocol as defined in
IETF RFC 4171, exporting an API that simplifies Internet Storage Name
Service (iSNS) client implementations.

Initial import of libisns, contributed to the NetBSD Foundation by
Wasabi Systems, Inc.

libisns(3) is an implementation of the iSNS protocol as defined in
IETF RFC 4171, exporting an API that simplifies Internet Storage Name
Service (iSNS) client implementations.

Fix up mangled logic, hopefully. PR 54323 from David Binderman.

XXX: This code is pretty dodgy in general and would benefit from a
XXX: workover by someone who knows what it's supposed to be doing.
XXX: E.g. it appears that a read error will cause an infinite loop...

branches: 1.1.1;
Initial revision

Initial import of libisns, contributed to the NetBSD Foundation by
Wasabi Systems, Inc.

libisns(3) is an implementation of the iSNS protocol as defined in
IETF RFC 4171, exporting an API that simplifies Internet Storage Name
Service (iSNS) client implementations.

Use C89 functions definitions.
Remove use of __P

branches: 1.1.1;
Initial revision

fix gcc aliasing issues.

branches: 1.1.1;
Initial revision

Initial import of libisns, contributed to the NetBSD Foundation by
Wasabi Systems, Inc.

libisns(3) is an implementation of the iSNS protocol as defined in
IETF RFC 4171, exporting an API that simplifies Internet Storage Name
Service (iSNS) client implementations.