libgcc.a not built

[ChrisPVille]

When doing certain built-in operations, like casting between float and long long, the compiler will emit calls to helper functions from libgcc (such as __floatdisf). For example, in the otherwise completely unmodified helloworld, I added:

volatile long long test; //Volatile to make sure it doesn't get removed by optimizer
volatile float test2;
test2 = (float) test;

Which won't link as a reference to __floatdisf is generated to handle the cast, and that function is undefined.

It looks like libgcc was never built during the cross compiler make. That library is a little different than the rest of the standard C ones as it has the functions the compiler will emit automatically and is generally required for all platforms.