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The Native Client toolchain currently ships with newlib, which is a lightweight libc implementation that differs slightly from the more commonly used glibc. The newlib-related problems we encountered during the port were all minor and could be fixed in a few minutes. We list them here for completeness:

- One of the MAME classes had a member named getc, which clashed with the newlib macro for getc. It is not clear why this did not cause problems with glibc. We fixed this problem by simply inserting "#undef getc" just before the field.

- The sound emulation defined a static variable named infinity, which clashed with a symbol defined by the math library. We fixed this problem by simply renaming infinity to spu_infinity.

- Another part of sound emulation #defined its own version of log2(), which was already defined in the math library. Guarding it with #if !defined(log2) solved the problem.

- In the CPU emulation, an enum contained the symbol _ADD, which clashed with some unknown header file #define. Adding #undef _ADD before the enum fixed the problem.