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Disable ghc docs by default #2319

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Disable ghc docs by default #2319

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Disable ghc docs by default
hamishmack Feb 14, 2025
7ae0cd7
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hamishmack Feb 14, 2025
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13 changes: 12 additions & 1 deletion compiler/ghc/default.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,17 @@ let self =
, # Wheter to build in NUMA support
enableNUMA ? true

, enableDocs ? false # Choose between --docs=none and --docs=no-sphinx
# Turning this off saves around 600MB for each GHC build
# If you need GHC docs use an overlay like this:
# final: prev: {
# haskell-nix = prev.haskell-nix // {
# compiler = final.lib.mapAttrs (_: x: x.override ({
# enableDocs = true;
# })) prev.haskell-nix.compiler;
# };
# }

, # What flavour to build. An empty string indicates no
# specific flavour and falls back to ghc default values.
ghcFlavour ? lib.optionalString haskell-nix.haskellLib.isCrossTarget (
Expand Down Expand Up @@ -317,7 +328,7 @@ let
+ lib.optionalString enableDWARF "+debug_info"
+ lib.optionalString ((enableNativeBignum && hadrianHasNativeBignumFlavour) || targetPlatform.isGhcjs) "+native_bignum"
+ lib.optionalString targetPlatform.isGhcjs "+no_profiled_libs"
} --docs=no-sphinx -j --verbose"
} --docs=${if enableDocs then "no-sphinx" else "none"} -j --verbose"
# This is needed to prevent $GCC from emitting out of line atomics.
# Those would then result in __aarch64_ldadd1_sync and others being referenced, which
# we don't handle in the RTS properly yet. Until we figure out how to _properly_ deal
Expand Down
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