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.

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: 1.20.2;
Restore the MKGROFF=bo MKCXX=yes build

Mark the documentation in dc(1), gprof(1), rogue(6) and fsck_ffs(8) with
the .roff flag in SUBDIR.

Sponsored by <The NetBSD Foundation>

branches: 1.19.22;
Rework /usr/share/doc.

Update the <bsd.doc.mk> infrastructure, and update the docs to match
the new infrastructure.

- Build and install text, ps, pdf, and/or html, not roff sources.

- Don't wire the chapter numbers into the build system, or use them in
the installed pathnames. This didn't matter much when the docs were a
museum, but now that we're theoretically going to start maintaining
them again, we're going to add and remove documents periodically and
having the chapter numbers baked in creates a lot of thrashing for no
purpose.

- Specify the document name explicitly, rather than implicitly in a
path. Use this name (instead of other random strings) as the name
of the installed files.

- Specify the document section, which is the subdirectory of
/usr/share/doc to install into.

- Allow multiple subdocuments. (That is, multiple documents in one
output directory.)

- Enumerate the .png files groff emits along with html so they can be
installed.

- Remove assorted hand-rolled rules for running roff and roff widgetry
and add enough variable settings to make these unnecessary. This
includes support for
- explicit use of soelim
- refer
- tbl
- pic
- eqn

- Forcibly apply at least minimal amounts of sanity to certain
autogenerated roff files.

- Don't exclude USD.doc, SMM.doc, and PSD.doc directories from the
build, as they now actually do stuff.

Note: currently we can't generate pdf. This turns out to be a
nontrivial problem with no immediate solution forthcoming. So for now,
as a workaround, install compressed .ps as the printable form.

branches: 1.18.2;
WARNS=5

branches: 1.17.6; 1.17.12;
When using -lcurses, you also need -lterminfo.
This fixes the build for sun2, and also builds with LDSTATIC=-static,
since archive libraries don't record inter-library dependencies.

Don't use -fwritable-strings. Add one more const.

Make "rogue" build with "WARNS=2". The necessary patches were supplied
by David A. Holland in PR bin/17498.

Remove rogue's old and bit-rotten cut-down version of curses.

s/SETUIDGAME/SETGIDGAME/ - catch up with the rest of the world.

branches: 1.12.2;
Simply include -lcurses instead of -lcurses -ltermcap

Remove -lcompat; not needed

install games that need it setgid.

use CPPFLAGS instead of CFLAGS

branches: 1.8.2;
Use bsd.subdir.mk as appropriate.

don't forget to install the docs.

clean up import, NetBSD RCS Ids

specify man pages the new way.

don't -g by default

new curses update

Add RCS identifiers.

branches: 1.1.1;
Initial revision