Integrated most of the NetBSD and DragonFly patches at:
ftp://ftp.netbsd.org/pub/NetBSD/packages/pkgsrc/devel/SDL/patches/

Thanks to Thomas Klausner for defailed information on the patches

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extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401569