by the application, all NetBSD interfaces are made visible, even
if some other feature-test macro (like _POSIX_C_SOURCE) is defined.
<sys/featuretest.h> defined _NETBSD_SOURCE if none of _ANSI_SOURCE,
_POSIX_C_SOURCE and _XOPEN_SOURCE is defined, so as to preserve
existing behaviour.
This has two major advantages:
+ Programs that require non-POSIX facilities but define _POSIX_C_SOURCE
can trivially be overruled by putting -D_NETBSD_SOURCE in their CFLAGS.
+ It makes most of the #ifs simpler, in that they're all now ORs of the
various macros, rather than having checks for (!defined(_ANSI_SOURCE) ||
!defined(_POSIX_C_SOURCE) || !defined(_XOPEN_SOURCE)) all over the place.
I've tried not to change the semantics of the headers in any case where
_NETBSD_SOURCE wasn't defined, but there were some places where the
current semantics were clearly mad, and retaining them was harder than
correcting them. In particular, I've mostly normalised things so that
_ANSI_SOURCE gets you the smallest set of stuff, then _POSIX_C_SOURCE,
_XOPEN_SOURCE and _NETBSD_SOURCE in that order.
Tested by building for vax, encouraged by thorpej, and uncontested in
tech-userlevel for a week.
- get man_MANS and TEXINFO from binutils/doc/Makefile now, not
binutils/Makefile, as all the binutils docs moved.
both:
- add new "mknative-gcc", "mknative-binutils", and "mknative-gdb"
targets / mknative options to allow regeneration of just one part
of the toolchain.
config.cache depends upon 'include/.stamp configure config.h.in defs.mk.in'
and runs configure. Forcebly remove config.cache before running configure.
This change means that config.cache is (still) retained between "make clean"
(but not "make cleandir") runs, but is flushed if configure or config.h.in
is changed, as the cache may contain incorrect information in that case.
which first lstat(2) the target and return EINVAL if it's a symlink,
and then call ch{flags,mod,own} as appropriate.
Removes the need for hokey code inside the tools themselves...
(as Solaris, Linux and HP/UX all mention they need zlib and it should
be part of libnbcompat, maybe this is a hint for us to get a move on
and do that :)
two variables:
TOOLCHAIN_MISSING -- set to "yes" on platforms for which there is
no working in-tree toolchain (hppa, ns32k, sh5, x86_64).
EXTERNAL_TOOLCHAIN -- if defined by the user, points to the root of
an external toolchain (e.g. /usr/local/gnu). This enables the cross-build
framework even for TOOLCHAIN_MISSING platforms.
If TOOLCHAIN_MISSING is set to "yes", MKGDB, MKBFD, and MKGCC are all
unconditionally set to "no", since the bits are not there to build.
If EXTERNAL_TOOLCHAIN is set, MKGCC is unconditionally set to "no",
since the external toolchain's compiler is not in-sync with the
in-tree compiler support components (e.g. libgcc).
* Set MACHINE_CPU much earlier in bsd.own.mk, so that more tests in
that file can use it.
