move the build of ldd binary to a subdir in order to allow
explict ordering. This makes "make all" work the same as
"make dependall"

make this actually build on mips64.

- adjust the logic for compat ldd: add an elf32_compat module and arrange
for mips64 to build this with MLIBDIR set to o32
- make mips64 ldd call elf32_compat_ldd as well
- make mips64 elf64 set ML

- adjust the logic for compat ldd: add an elf32_compat module and arrange
for mips64 to build this with MLIBDIR set to o32
- make mips64 ldd call elf32_compat_ldd as well
- make mips64 elf64 set MLIBDIR to 64
- don't need ld.elf_so's Makefile.ld32 files anymore (they are going away
soon anyway)

tested on amd64 and sparc64, and an earlier version tested on mips64.

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kill ldd_aout. it didn't work anyway...not since i don't know when.

Um, the test for mips should use MACHINE_CPU, not MACHINE_ARCH.

Don't include <a.out.h> unless it's needed, and don't build
the aout subdir if on mips. Fixes build for mips ports.

Enable WARNS=4 by default for usr.bin, except for:
awk bdes checknr compile_et error gss hxtool kgetcred kinit
klist ldd less lex locale login m4 man menuc mk_cmds
mklocale msgc

Enable WARNS=4 by default for usr.bin, except for:
awk bdes checknr compile_et error gss hxtool kgetcred kinit
klist ldd less lex locale login m4 man menuc mk_cmds
mklocale msgc openssl rpcgen rpcinfo sdiff spell ssh
string2key telnet tn3270 verify_krb5_conf xlint

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- rework this a bunch to make it work inside /rescue/ldd.
- fix alpha build.

- get rid of building an a.out-happy ldd (but keep supporting a.out
binaries for the ELF version.)

- convert a.out, elf32 and elf64 support into convience libraries and
link them right ones in.

- get rid of building an a.out-happy ldd (but keep supporting a.out
binaries for the ELF version.)

- convert a.out, elf32 and elf64 support into convience libraries and
link them right ones in. if elf_ldd() fails on 64 bit platforms,
try elf32_ldd() before aout_ldd().


now ldd on 64 bit platforms works for 32 bit binaries, aka PR#40199,
and it seems that all the issues from README are gone too.

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Move a.out version of ldd(1) to the usr.bin tree; elf and a.out
reside in separate subdirectories (various source moved by
repository copying). Adapt Makefiles to new situation.

don't define WARNS=1 here

CFLAGS->CPPFLAGS, and general cleanup; add WARNS

Back out the .PATH.c changes. The .depend problem (and others)
will be fixed using the new .NOPATH make feature instead.

Use .PATH.c: ...

Mipsel changes to ELF ldd/ld.so:
* don't abort() on NetBSD/pmax 1.1 elf binaries;
* Assume 32-bit elf unless compiling for Alpha;
* note bugs in ldd's README.

First cut at an elf-aware ldd. Originally from John Polstra's FreeBSD elf
kit, then hacked on by Matt Thomas <matt@3am-software.com>, then by me.
This runs, but it's in serious need of cleaning and/

First cut at an elf-aware ldd. Originally from John Polstra's FreeBSD elf
kit, then hacked on by Matt Thomas <matt@3am-software.com>, then by me.
This runs, but it's in serious need of cleaning and/or a fair bit of
reworking. See the README file for more information, and a list of things
to do.

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