Adrian Frith wrote: > On Tue, 2006-08-22 at 16:12 +0200, Alan Mckinnon wrote: > >> modify CFLAGS in /etc/make.conf >> emerge -e system >> emerge -s world >> >> This will rebuild your toolchain (gcc, glibc and friends) to use -O2 >> then rebuild the entire system, including the toolchain again, with -O2. >> Your current compiler was built with -O3, and you want to rebuild the >> system using a compiler compiled as -O2, hence the 2 step process. >> > > Correct me if I am wrong, but doesn't the gcc ebuild in fact use the > "make bootstrap" method of compiling gcc? - that is: > 1. compile with installed compiler -> stage1 > 2. compile with stage1 compiler -> stage2 > 3. compile with stage2 compiler -> stage3 > 4. compare stage2 and stage3 and install stage3 if they are the same > > If I am right, doesn't it mean that the whole "emerge -e system" step is > pointless? Couldn't one just do "emerge -u gcc" and then "emerge -e > world"? Or am I being stupid? > > Cheers, > Adrian > >
That would be my thinking too. Of course, I am wrong a lot too. ;-) Dale :-) :-) -- gentoo-user@gentoo.org mailing list
