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Diffstat (limited to 'nixpkgs/pkgs/applications/science/math/nauty/default.nix')
-rw-r--r--nixpkgs/pkgs/applications/science/math/nauty/default.nix10
1 files changed, 4 insertions, 6 deletions
diff --git a/nixpkgs/pkgs/applications/science/math/nauty/default.nix b/nixpkgs/pkgs/applications/science/math/nauty/default.nix
index c1d408213b9..d75fc9731cd 100644
--- a/nixpkgs/pkgs/applications/science/math/nauty/default.nix
+++ b/nixpkgs/pkgs/applications/science/math/nauty/default.nix
@@ -10,15 +10,13 @@ stdenv.mkDerivation rec {
sha256 = "1nym0p2djws8ylkpr0kgpxfa6fxdlh46cmvz0gn5vd02jzgs0aww";
};
outputs = [ "out" "dev" ];
- configureFlags = {
+ configureFlags = [
# Prevent nauty from sniffing some cpu features. While those are very
# widely available, it can lead to nasty bugs when they are not available:
# https://groups.google.com/forum/#!topic/sage-packaging/Pe4SRDNYlhA
- default = [ "--disable-clz" "--disable-popcnt" ];
- westmere = [ "--disable-clz" ];
- sandybridge = [ "--disable-clz" ];
- ivybridge = [ "--disable-clz" ];
- }.${stdenv.hostPlatform.platform.gcc.arch or "default"} or [];
+ "--${if stdenv.hostPlatform.sse4_2Support then "enable" else "disable"}-popcnt"
+ "--${if stdenv.hostPlatform.sse4_aSupport then "enable" else "disable"}-clz"
+ ];
installPhase = ''
mkdir -p "$out"/{bin,share/doc/nauty} "$dev"/{lib,include/nauty}