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Jan Kundrát <jkt@g.o> wrote: |
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> |
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> Before you invest any more time in this, please understand that C++98 and |
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> C++11 are source-incompatible. |
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The question is what impact this theoretical incompatibility in a few |
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corner cases has in practice. |
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> There is no way to expect that a package builds fine when you |
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> throw -std=c++11 on it. |
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Yes, but the same is true for any gcc upgrade. |
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I repeat that numbers are necessary: If practice shows that there is only |
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a few packages in the tree needing a few trivial patches then the same can |
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be assumed about 3rd party software. The situation is rather different if |
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it turns out that almost nothing runs without severe patches. |
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Nobody can know the answer without actually trying. |
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However, I would be very surprised if the latter is true: |
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The example with string reference-counters which you gave is IMHO typical; |
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one would really need to write strange code to make it work *with* reference |
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counters but break without. Hard to believe that this happens in practice. |
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What *will* happen in practice is that the execution speed changes (probably |
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getting slower, but there might also be exceptions). |
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