On Thu, Sep 12, 2002 at 09:19:30AM +0200, Martin v. Loewis wrote: > Joel Baker <lucifer@lightbearer.com> writes: > > > Next stupid question: which standard covers 'unix', so that I can make sure > > all the pieces are met and that I'm not about to force GCC to tell a lie > > that will come back to haunt me later... > > I'm not sure why NetBSD doesn't define __unix__; it is a good idea not > to define unix, since that is in the application's namespace, and > should not be defined by the compiler. > > The define __unix__/__unix/unix, to my knowledge, is not covered by > any standard - it is merely a convention. POSIX systems identify > themselves with different defines. > > Notice that FreeBSD defines unix, as does NetBSD on m68k. It may be a > mistake: what does the system compiler define? Hmmm. It may be. From the NetBSD native toolchain compiler: fenton@thenet:/debian/tmp$ touch foo.c fenton@thenet:/debian/tmp$ /usr/tools/i386--netbsdelf/bin/gcc -v -E foo.c Reading specs from /usr/tools/lib/gcc-lib/i386--netbsdelf/2.95.3/specs gcc version 2.95.3 20010315 (release) (NetBSD nb3) /usr/tools/lib/gcc-lib/i386--netbsdelf/2.95.3/cpp0 -lang-c -v -D__GNUC__=2 -D__GNUC_MINOR__=95 -D__NetBSD__ -D__ELF__ -D__NetBSD__ -D__ELF__ -Asystem(unix) -Asystem(NetBSD) -Acpu(i386) -Amachine(i386) -Acpu(i386) -Amachine(i386) -Di386 -D__i386 -D__i386__ foo.c GNU CPP version 2.95.3 20010315 (release) (NetBSD nb3) (80386, BSD syntax) #include "..." search starts here: #include <...> search starts here: /usr/tools/lib/gcc-lib/i386--netbsdelf/2.95.3/include /usr/tools/lib/gcc-lib/i386--netbsdelf/2.95.3/../../../../i386--netbsdelf/include End of search list. The following default directories have been omitted from the search path: /usr/tools/lib/gcc-lib/i386--netbsdelf/2.95.3/../../../../include/g++-3 /usr/tools/lib/gcc-lib/i386--netbsdelf/2.95.3/../../../../i386--netbsdelf/sys-include End of omitted list. # 1 "foo.c" Not sure at all why it would define 'unix' on m68k and not i386... -- *************************************************************************** Joel Baker System Administrator - lightbearer.com lucifer@lightbearer.com http://users.lightbearer.com/lucifer/
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