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cabal: minor code re-factoring of shleavy's patch that allows building packages without a Setup.hs file

Browse Source 
https://github.com/NixOS/nixpkgs/pull/3585
This commit is contained in:
Peter Simons 2014-08-16 17:37:16 +02:00
parent 35779fd646
commit a9fad50181
1 changed files with 8 additions and 8 deletions
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16
pkgs/build-support/cabal/default.nix
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@ -18,6 +18,11 @@ let
optionals = stdenv.lib.optionals;
optionalString = stdenv.lib.optionalString;
filter = stdenv.lib.filter;
defaultSetupHs = builtins.toFile "Setup.hs" ''
import Distribution.Simple
main = defaultMain
'';
in
# Cabal shipped with GHC 6.12.4 or earlier doesn't know the "--enable-tests configure" flag.
@ -179,15 +184,10 @@ assert !enableStaticLibraries -> versionOlder "7.7" ghc.version;
${optionalString self.jailbreak "${jailbreakCabal}/bin/jailbreak-cabal ${self.pname}.cabal"}
for i in Setup.hs Setup.lhs; do
test -f $i && ghc --make $i
for i in Setup.hs Setup.lhs ${defaultSetupHs}; do
test -f $i && break
done
if [ ! -f Setup ]; then
ghc --make ${builtins.toFile "Setup.hs" ''
import Distribution.Simple
main = defaultMain
''} -o Setup -odir $TMPDIR
fi
ghc --make -o Setup -odir $TMPDIR $i
for p in $extraBuildInputs $propagatedNativeBuildInputs; do
if [ -d "$p/lib/ghc-${ghc.ghc.version}/package.conf.d" ]; then