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icestorm: enableParallelBuilding = true

With the previous PyPy3 change, this reduces the compile time from
~1m30s to roughly 36s (compared to the original, serial, Python 3 build
time of 2:30s).

Signed-off-by: Austin Seipp <aseipp@pobox.com>
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thoughtpolice committed Jan 10, 2019
1 parent 18839e1 commit 61e57a827b84251bbe4713ea2714a99f9e6f7314
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  1. +2 −0 pkgs/development/tools/icestorm/default.nix
@@ -24,6 +24,8 @@ stdenv.mkDerivation rec {
buildInputs = [ pythonPkg libftdi ];
makeFlags = [ "PREFIX=$(out)" ];

enableParallelBuilding = true;

# fix icebox_vlog chipdb path. icestorm issue:
# https://github.com/cliffordwolf/icestorm/issues/125
#

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