What C compiler and what flags? You can see the c-flags Nim used in the generated source/json. Try compiling the C code with those flags.
- Recursive Fibonacci function phoenix27
- Recursive Fibonacci function mratsim
- Recursive Fibonacci function r3c
- Recursive Fibonacci function ingo
- Recursive Fibonacci function phoenix27
- Recursive Fibonacci function phoenix27
- Recursive Fibonacci function SpotlightKid
- Recursive Fibonacci function sls1005