[zik]

The way precompiled headers work in C++ is a bit of an ugly hack. And worse, it's almost as slow as just compiling them all every time anyway.

[pjmlp]

Only in traditional UNIX, which I mentioned.

Borland and Microsoft compilers have been dealing with them just fine since at very least 1994, when I started using Turbo C++ 3.1 for Windows.