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| From: | "Jan Kundrát" <jkt@g.o> | ||
|---|---|---|---|
| To: | gentoo-dev@l.g.o | ||
| Subject: | Re: [gentoo-dev] How to support C++11 in libraries? | ||
| Date: | Thu, 19 Dec 2013 16:51:28 | ||
| Message-Id: | 819092f0-45b2-4b7c-ba54-12ab4c718aff@gentoo.org | ||
| In Reply to: | Re: [gentoo-dev] How to support C++11 in libraries? by "vivo75@gmail.com" |
||
| 1 | On Thursday, 19 December 2013 17:29:19 CEST, vivo75@×××××.com wrote: |
| 2 | > just a question, what would do -fabi-version=6 added to CXXFLAGS even |
| 3 | > w/o C++11? |
| 4 | |
| 5 | I believe that -fabi-version is for "low level bits" at the level of e.g. |
| 6 | identifier mangling. It cannot affect whether a std::string is refcounted |
| 7 | or not, or whether a std::list contains a member for O(1) size() behavior |
| 8 | -- these require modifications to the actual memory layout of the class. |
| 9 | |
| 10 | Cheers, |
| 11 | Jan |