Initial support for CMS.

Add zlib compression BIO.

Add AES key wrap implementation.

Generalize S/MIME MIME code to support CMS and/or PKCS7.

PR: 1503
Submitted by: KISA
Reviewed by: Bodo Moeller

Submitted by: Masashi Fujita
Reviewed by: Bodo Moeller

PR: 1308
Submitted by: Oliver Tappe <zooey@hirschkaefer.de>
Reviewed by: Ulf Moeller

functions to support it.

and response verification.

Submitted by: Zoltan Glozik <zglozik@opentsa.org>
Reviewed by: Ulf Moeller

- eliminate ambiguities between GNU-ish and SysV-ish make flavors;
- switch [back] to -e;
- fold/unify rules;

This is follow-up to the patch introducing common BUILDENV. Idea is
to collect as much parameters in $(TOP) as possible and "strip" lower
Makefiles for most variables [and thus makes them more readable].

[most importantly] put back dependencies accidentaly eliminated in
check-in #13342.

during "make errors" and thus during "make update".

Fix lots of bugs that util/ck_errf.pl can detect automatically.
Various others of these are still left to fix; that's why
"make update" will complain loudly when run now.

disabled by default (MDC2 and RC5), which until now were skipped
by "make links" and yet supposedly required by some of the Makefiles,
meaning that the recent snapshots failed to compile.

Problem reported by Nils Larsch.

and SafeDllSearchMode in Windows.

Submitted by: Richard Levitte

Makefile.shared was a bit overcomplicated.

Make the shell variables LDFLAGS and SHAREDFLAGS in Makefile.shared
get the values of $(CFLAGS) or $(LDFLAGS) as appropriate depending on
the value the shell variables LDCMD and SHAREDCMD get.  That leaves
much less chance of confusion, since those pairs of shell variables
always are defined together.

programs.