User forums > General (but related to Code::Blocks)

TDM-GCC 4.7 series (Latest: 4.7.1 - 2012-09-15)

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ollydbg:

--- Quote from: gd_on on September 17, 2012, 03:17:39 pm ---why C::B and the wxWidgets dll seems to work together only when they are compiled with the same version of compiler ?

--- End quote ---
See this topic http://thread.gmane.org/gmane.comp.gnu.mingw.user/39408
detailed answer http://article.gmane.org/gmane.comp.gnu.mingw.user/39411
Especially the "Binary incompatibility notice!"

TDragon:
Not at all strange. The C++ ABI is known to change between GCC releases. In general it's best to assume that any minor release increment (e.g. 4.6 to 4.7) will include a C++ ABI change.

gd_on:
OK. Thanks for your answers.

gd_on

MortenMacFly:
Mmmmh... on Windows I have that feeling, that compiling with GCC4.7.x is significantly slower than with GCC4.6.x. Could that be? Maybe its just because I need to re-compile everything, but I did that before, too and it seemed way faster...?!

zabzonk:

--- Quote ---Mmmmh... on Windows I have that feeling, that compiling with GCC4.7.x is significantly slower

--- End quote ---

I just timed them both on a moderate sized project of mine. There is a difference - 4.7.1 seems to be about 15% slower than 4.6.1.

Edit: Oops, my maths! Make that about 10% slower.

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