Building GCC cross compiler (from “Linux” to “Windows”)

Question

I want to build \"gcc cross-compiler\" to compile \"c/c++\" applications on \"Linux\" environment but for \"Windows\" target.

I have made this so far:

Answer 1

I grepped through the MinGW sources, and found that dllcrt2.o is something built off the mingwrt package. I assume you have to compile and install that, not just copy the headers?