You should only use one of the lang/gccXY ports when you need GCC version X.Y.* and can't live without it.
If you release your software in FreeBSD ports with a dependency on GCC, you mayl also be cursed at if there isn't good reason, and I don't mean extra --flags :-P. I know I cuss at having to keep lang/gcc45 installed because of some port that requires it.
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My Journal
Thou shalt check the array bounds of all strings (indeed, all arrays), for surely where thou typest ``foo'' someone someday shall type ``supercalifragilisticexpialidocious''.
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