Date: Fri, 23 Mar 2007 13:29:51 +0000 From: RW <fbsd06@mlists.homeunix.com> To: freebsd-questions@freebsd.org Subject: Re: Updating GCC Message-ID: <20070323132951.7347f039@gumby.homeunix.com> In-Reply-To: <Pine.LNX.4.43.0703221418030.18982@hymn07.u.washington.edu> References: <20070322201117.9677.qmail@web34406.mail.mud.yahoo.com> <Pine.LNX.4.43.0703221418030.18982@hymn07.u.washington.edu>
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On Thu, 22 Mar 2007 14:18:03 -0700 (PDT) youshi10@u.washington.edu wrote: > On Thu, 22 Mar 2007, White Hat wrote: >=20 > > --- Chuck Swiger <cswiger@mac.com> wrote: > > > >> On Mar 22, 2007, at 12:34 PM, White Hat wrote: > >>>> Add: > >>>> > >>>> CC?=3D /usr/local/bin/gcc > >>>> CXX?=3D /usr/local/bin/g++ > >>>> > >>>> ...to /etc/make.conf. You might also find > >> looking > >>>> at /usr/ports/Mk/ > >>>> bsd.gcc.mk to be informative... > >>> > >>> Thanks! One other question; why the '?' mark? I > > was > >>> Googling for information on gcc, and it listed > >> 'cxx=3D' > >>> sans a question mark in it. > >> > >> It means "set CC to this value if it's not already > >> set to something". > >> > >> Some ports already know they need a newer version of > >> gcc (using > >> "USE_GCC=3D"), and the "make world" infrastructure to > >> rebuild the > >> kernel/userland need to use the system-provided > >> compiler, so using > >> the question mark lets things which know better use > >> the exact > >> compiler they want. > > > > Thanks! I could not find that information anywhere, > > although I am sure it does exist. >=20 > Does the make.conf manpage need to be updated? It doesn't appear to > reference either USE_GCC=3D or CC=3D or CXX=3D at all.. -Garrett >=20 =46rom the porters' Handbook=20 "Note: It is always incorrect to set any USE_* in /etc/make.conf."
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