Don't assume cflags is non-nil

Fixes #29284.
mecab-ko 0.996-ko-0.9.1

Closes #29281.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
dcled 2.2
fontforge: make python an optional dependency.
libstfl: make python an optional dependency.
libtorrent-rasterbar: make python optional.
libxml2: make python an optional dependency.
llvm: make python an optional dependency.
postgres-xc: make python an optional dependency.
postgresql: make python an optional dependency.
libtorrent-rasterbar: add 0.16.16 bottle.
llvm: add 3.4 bottle.
fontforge: add 20120731_1 bottle.
postgres-xc: add 1.0.3 bottle.
postgresql: update 9.3.4 bottle.
libxml2: update 2.9.1 bottle.
libstfl: add 0.22 bottle.

Closes #29066.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
suricata: use clang-provided strl* functions

Closes #26296.
suricata: find libnet in non-standard location
suricata 2.0