find_modules: older awks might not have 'in'
find_modules: test with various awks
Remove remaining C++ comments from source tree.

I like to use them for debugging, to show that this
comment is temporary, but that also means they
should not stay around.
pthread: missing HAVE_PTHREAD_H check
wchar: allow missing mbsnrtowcs()
antimake: use JoinPath when calculating feat file name
antimake: show mkdir commands if in verbose mode
logging: Use __VA_ARGS__ for vararg macros

It's more portable (msvc), seems the (args... + ## args) style
is GNU extension.
cfparser,cxalloc: avoid use of struct field specifiers.

Seems msvc does not support them..
Avoid libtool, build simple static library
antimake: convert mkdir and printf to functions.

Then it's possible to examine and change arguments.
antimake: make OBJEXT include '.'

Now the usage is same as EXEEXT.
antimake temos: sync with crc module move
make install: handle subdirs properly
Sync test output with current 'make install'
Drop Setup.mk

There are better ways to use libusual now.
antimake: support LIBDIR

Now different extension can be used for static libraries.
tests: remove headers already included by base.h
base_win32: type specifiers from inttypes.h
ctype: provide isblank() if missing