Alexander Skwar wrote:
Hello!
Is it required to do a "emerge -e world" when upgrading to gcc 4.1 from
gcc 3.4.6?
I don't think so.
http://www.gentoo.org/news/en/gwn/20060522-newsletter.xml
| To upgrade to the new version (assuming you are using gcc-3.4), all
| that is required is to upgrade GCC and then select the new profile
| using gcc-config.
http://www.gentoo.org/doc/en/gcc-upgrading.xml
| Note: It should be noted that upgrading from GCC-3.4 to GCC-4.0 or
| greater requires no real changes to be made by the user, as GCC-3.4
| and GCC-4.0 use the same ABI. All that is required is that gcc-config
| is used to select the compiler desired.
Alexander Skwar
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