FIXME: Page under construction; mostly complete now, but may need some clarifications.
I will add to this as time permits; please bear with me. My intent is to provide answers to some remarkably similar, but independently asked, questions which have appeared recently, on the MinGW-Users and MinGW-MSYS lists.
Introduction
This Mini-HOWTO attempts to answer the FAQ: "Why can't the MinGW compilers find my project's header files?"