------- Comment #50 from mark at codesourcery dot com  2009-02-06 19:22 -------
Subject: Re:  [4.3/4.4 Regression]: HOSTCC doesn't work
 with installed gcc

hjl dot tools at gmail dot com wrote:

> For most people, GCC_EXEC_PREFIX points to either a directory which
> doesn't exist or a different version of gcc. Since GCC_EXEC_PREFIX
> may point a directory which doesn't exist, it isn't really needed
> by "make check" for most people. Only very small percentage of gcc
> developers need GCC_EXEC_PREFIX for "make check".

I don't know how that's been measured.

Improving the heuristic by avoiding the doesn't-exist case might be a
fine option, as I stated previously.  If you really want to clean this
up, add some variable you can set on the "make" command-line, or at
configure-time, that allows the user to say which use case applies.

I don't see a lot of value in arguing over the default.  There's no
right answer; ergo, we need a switch.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36443

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