Summary of useful GHC options
The last part of this chapter collects options for GHC and the Runtime System into a concise reference. Let's start off with GHC.
Basic usage
These are some of the most often used general flags related to compilation with GHC:
--make: Compile a multi-module program-j<n>: Parallel compilation-i,-e,runghc: Interactive and evaluation modes-fforce-recomp: Force recompilation-Wall: Turn on all code-level warnings-Werror: Turn all warnings into errors-freverse-errors: Print top-most error last
The LLVM backend
The LLVM route is the preferred compilation path for numeric code. It requires the LLVM libraries and a compatible system. The flags used to enable LLVM are:
-fllvm: Compile via LLVM-optlo-O3: Enable optimizations in ...
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