atlas: remove

atlas is broken and can apparently be removed.

Fixes #49594

pkgs/development/libraries/science/math/liblapack/default.nix

@@ -4,12 +4,9 @@
   gfortran,
   cmake,
   python2,
-  atlas ? null,
   shared ? false
 }:
 let
-  atlasMaybeShared = if atlas != null then atlas.override { inherit shared; }
-                     else null;
   usedLibExtension = if shared then ".so" else ".a";
   inherit (stdenv.lib) optional optionals;
   version = "3.8.0";
@@ -22,7 +19,6 @@ stdenv.mkDerivation rec {
     sha256 = "1xmwi2mqmipvg950gb0rhgprcps8gy8sjm8ic9rgy2qjlv22rcny";
   };
 
-  propagatedBuildInputs = [ atlasMaybeShared ];
   buildInputs = [ gfortran cmake ];
   nativeBuildInputs = [ python2 ];
 
@@ -30,15 +26,7 @@ stdenv.mkDerivation rec {
     "-DUSE_OPTIMIZED_BLAS=ON"
     "-DCMAKE_Fortran_FLAGS=-fPIC"
   ]
-  ++ (optionals (atlas != null) [
-    "-DBLAS_ATLAS_f77blas_LIBRARY=${atlasMaybeShared}/lib/libf77blas${usedLibExtension}"
-    "-DBLAS_ATLAS_atlas_LIBRARY=${atlasMaybeShared}/lib/libatlas${usedLibExtension}"
-  ])
-  ++ (optional shared "-DBUILD_SHARED_LIBS=ON")
-  # If we're on darwin, CMake will automatically detect impure paths. This switch
-  # prevents that.
-  ++ (optional stdenv.isDarwin "-DCMAKE_OSX_SYSROOT:PATH=''")
-  ;
+  ++ (optional shared "-DBUILD_SHARED_LIBS=ON");
 
   doCheck = ! shared;
 
@@ -48,10 +36,6 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  passthru = {
-    blas = atlas;
-  };
-
   meta = with stdenv.lib; {
     inherit version;
     description = "Linear Algebra PACKage";