On Thu, 24 Feb 2011, Colin Percival wrote:
On 02/24/11 14:35, Bruce Evans wrote:
Except that there is the opportunity to set %POSIX using make -D. This
might be enough in practice. The namespace pollution avoidance is
too perfect -- there seems to be no way to set %POSIX or .POSIX in the
environment.
Is this relevant? POSIX says that the Right Way to demand POSIX mode is
to put .POSIX on the first non-comment line of the Makefile; our %POSIX
variable is a red herring as far as POSIX is concerned.
It allows A Way.
Of course you should fix make(1) to support the POSIX way if this is
not too hard. If make can see .POSIX before including sys.mk, then
it could alternatively include a POSIX-sys.mk instead. This would be
cleaner than the ifdefs in sys.mk, and would inhibit breakage of the
POSIX case by putting things like CTF in its rules.
Bruce
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