passing CFLAGS and LDFLAGS to ghc via Cabal?

[Jens Petersen]

Hi,

This may seem like a strange question since most ghc compilation uses the
NCG or llvm backends, but I want to ask about how/if one can pass
CFLAGS/LDFLAGS to gcc from Cabal?

So far I tried using --gcc-options="$RPM_OPT_FLAGS" (and also just
exporting CFLAGS), but as far as I can tell (from --ghc-option=-v) the
options are not passed by ghc to gcc. Is the problem that ghc first
compiles C code to assembler before compiling the asm to an object file?

(This is in the context of adding of trying to add debuginfo for C files to
Fedora's Haskell packages, though I am not even sure if it is useful. Maybe
it is a futile experiment?)

Jens
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