Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

- MFC r225778:
- Add missing interdependencies to kerberos libraries. Some of the
kerberos libraries were not linked properly (missing dependencies),
which causes 3rd party applications linking to fail when --as-needed
ld flag is used. I also added the --no-undefined ld(1) flag to make
sure that there're no missing dependencies.

Approved by: re (kib)

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

Fix conflicts after heimdal-1.1 import and add build infrastructure. Import
all non-style changes made by heimdal to our own libgssapi.

style.Makefile(5).

OK'ed by: nectar

Put generated headers into SRCS so that we pick them up even if
"make depend" was not run.

Overhaul of kerberos5/ makefiles. Most significant changes are:

- Dropped support for standalone builds, this was only partially
supported anyway, and required so much magic in makefiles that
made life dangerous (e.g., by using the custom yacc rules).

- Got rid of .OBJDIR in makefiles -- makes building of individual
files possible again.

- Made the .x.c transformations -j safe.

- Reprogrammed LDADD to fix static build of some utilities that
was broken.

- Fixed LDFLAGS and DPADD in the WITH_OPENLDAP case -- positively
affects the contents of .depend files.

- Removed redundant .h's from SRCS, only kept those that are
generated.

- libkrb5/ INCS were bogusly installed again with libgssapi/.

- Made build-tools real tools with their own makefiles in
separate directories. This allows us to properly track
their dependencies, etc.

- Faster build, 21% less of makefile code!

Approved by: nectar
Reviewed by: markm
Silence on: arch

Big fixup of the makefiles. Sort out the dependancies so that "make"
without "make depend" works, "make -j N" works, and lists of source
files are made vertical to reduce future diffs.

Fix build, and make parallel build much more robust.

update build infrastructure for heimdal 0.3e

This commit was generated by cvs2svn to compensate for changes in r56067,
which included commits to RCS files with non-trunk default branches.