ghc-wrapper: choose '-package-conf' or '-package-db' flag depending on the version of GHC that's being wrapped

This commit is contained in:
Peter Simons 2012-09-13 14:51:27 +02:00
parent 13be1ff86e
commit eb288cf12e

View file

@ -1,6 +1,10 @@
{ stdenv, ghc, makeWrapper, coreutils }:
stdenv.mkDerivation {
let
ghc761OrLater = !stdenv.lib.versionOlder ghc.version "7.6.1";
packageDBFlag = if ghc761OrLater then "-package-db" else "-package-conf";
in
stdenv.mkDerivation ({
name = "ghc-${ghc.version}-wrapper";
buildInputs = [makeWrapper];
@ -15,10 +19,10 @@ stdenv.mkDerivation {
makeWrapper $ghc/bin/$prg $out/bin/$prg --add-flags "\$($out/bin/ghc-get-packages.sh ${ghc.version} \"\$(dirname \$0)\")"
done
for prg in runghc runhaskell; do
makeWrapper $ghc/bin/$prg $out/bin/$prg --add-flags "\$($out/bin/ghc-get-packages.sh ${ghc.version} \"\$(dirname \$0)\" \" -package-conf --ghc-arg=\")"
makeWrapper $ghc/bin/$prg $out/bin/$prg --add-flags "\$($out/bin/ghc-get-packages.sh ${ghc.version} \"\$(dirname \$0)\" \" ${packageDBFlag} --ghc-arg=\")"
done
for prg in ghc-pkg ghc-pkg-${ghc.version}; do
makeWrapper $ghc/bin/$prg $out/bin/$prg --add-flags "\$($out/bin/ghc-get-packages.sh ${ghc.version} \"\$(dirname \$0)\" --package-conf=)"
makeWrapper $ghc/bin/$prg $out/bin/$prg --add-flags "\$($out/bin/ghc-get-packages.sh ${ghc.version} \"\$(dirname \$0)\" -${packageDBFlag}=)"
done
for prg in hp2ps hpc hasktags hsc2hs; do
test -x $ghc/bin/$prg && ln -s $ghc/bin/$prg $out/bin/$prg
@ -29,7 +33,7 @@ stdenv.mkDerivation {
for arg in \$($out/bin/ghc-get-packages.sh ${ghc.version} \"\$(dirname \$0)\"); do
case "\$arg" in
-package-conf) ;;
${packageDBFlag}) ;;
*)
CANONICALIZED="\$(${stdenv.lib.optionalString stdenv.isDarwin "${coreutils}/bin/"}readlink -f "\$arg")"
GHC_PACKAGES_HASH["\$CANONICALIZED"]= ;;
@ -50,4 +54,4 @@ stdenv.mkDerivation {
inherit ghc;
inherit (ghc) meta;
ghcVersion = ghc.version;
}
} // (stdenv.lib.optionalAttrs ghc761OrLater { preFixup = "sed -i -e 's|-package-conf|${packageDBFlag}|' $out/bin/ghc-get-packages.sh"; }))