* Clean up the CMake build system and improve the FindFFTW3 module.
* Fixes for Linux build
* Include winsock.h to get struct timeval
* Couple more fixes for MSVC, also add new FindMath module
* Update host build README for new CMake changes (esp. Windows)
* Try to fix Travis OS X build error
* Add docs about pthread-win32
* Whoops, AppVeyor caught a bug in FindFFTW where the includes not being found weren't generating a fatal error.
* Travis rebuild bump
* One more fix: replace hardcoded include paths with a PATH_SUFFIX to standard include paths
* Invert Windows preprocessor flag so it's only needed when using a static build. This preserves compatibility with the previous system.
* Fix copy-paste error
* Update cmake modules from amber-cmake upstream, incorporate TryLinkLibrary into FindUSB1
* Fix missing include
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