111 lines
3.7 KiB
Nix
111 lines
3.7 KiB
Nix
{ lib, stdenv
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, lapack-reference, openblas
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, isILP64 ? false
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, lapackProvider ? openblas }:
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let
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version = "3";
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canonicalExtension = if stdenv.hostPlatform.isLinux
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then "${stdenv.hostPlatform.extensions.sharedLibrary}.${version}"
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else stdenv.hostPlatform.extensions.sharedLibrary;
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lapackImplementation = lib.getName lapackProvider;
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lapackProvider' = if lapackImplementation == "mkl"
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then lapackProvider
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else lapackProvider.override { blas64 = isILP64; };
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in
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assert isILP64 -> lapackImplementation == "mkl" || lapackProvider'.blas64;
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stdenv.mkDerivation {
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pname = "lapack";
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inherit version;
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outputs = [ "out" "dev" ];
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meta = (lapackProvider'.meta or {}) // {
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description = "${lib.getName lapackProvider'} with just the LAPACK C and FORTRAN ABI";
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};
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passthru = {
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inherit isILP64;
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provider = lapackProvider';
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implementation = lapackImplementation;
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};
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dontBuild = true;
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dontConfigure = true;
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unpackPhase = "src=$PWD";
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dontPatchELF = true;
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installPhase = (''
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mkdir -p $out/lib $dev/include $dev/lib/pkgconfig
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liblapack="${lib.getLib lapackProvider'}/lib/liblapack${canonicalExtension}"
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if ! [ -e "$liblapack" ]; then
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echo "$liblapack does not exist, ${lapackProvider'.name} does not provide liblapack."
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exit 1
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fi
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cp -L "$liblapack" $out/lib/liblapack${canonicalExtension}
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chmod +w $out/lib/liblapack${canonicalExtension}
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'' + (if stdenv.hostPlatform.parsed.kernel.execFormat.name == "elf" then ''
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patchelf --set-soname liblapack${canonicalExtension} $out/lib/liblapack${canonicalExtension}
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patchelf --set-rpath "$(patchelf --print-rpath $out/lib/liblapack${canonicalExtension}):${lapackProvider'}/lib" $out/lib/liblapack${canonicalExtension}
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'' else "") + ''
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if [ "$out/lib/liblapack${canonicalExtension}" != "$out/lib/liblapack${stdenv.hostPlatform.extensions.sharedLibrary}" ]; then
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ln -s $out/lib/liblapack${canonicalExtension} "$out/lib/liblapack${stdenv.hostPlatform.extensions.sharedLibrary}"
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fi
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install -D ${lib.getDev lapack-reference}/include/lapack.h $dev/include/lapack.h
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cat <<EOF > $dev/lib/pkgconfig/lapack.pc
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Name: lapack
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Version: ${version}
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Description: LAPACK FORTRAN implementation
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Cflags: -I$dev/include
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Libs: -L$out/lib -llapack
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EOF
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liblapacke="${lib.getLib lapackProvider'}/lib/liblapacke${canonicalExtension}"
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if ! [ -e "$liblapacke" ]; then
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echo "$liblapacke does not exist, ${lapackProvider'.name} does not provide liblapacke."
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exit 1
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fi
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cp -L "$liblapacke" $out/lib/liblapacke${canonicalExtension}
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chmod +w $out/lib/liblapacke${canonicalExtension}
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'' + (if stdenv.hostPlatform.parsed.kernel.execFormat.name == "elf" then ''
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patchelf --set-soname liblapacke${canonicalExtension} $out/lib/liblapacke${canonicalExtension}
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patchelf --set-rpath "$(patchelf --print-rpath $out/lib/liblapacke${canonicalExtension}):${lib.getLib lapackProvider'}/lib" $out/lib/liblapacke${canonicalExtension}
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'' else "") + ''
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if [ -f "$out/lib/liblapacke.so.3" ]; then
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ln -s $out/lib/liblapacke.so.3 $out/lib/liblapacke.so
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fi
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cp ${lib.getDev lapack-reference}/include/lapacke{,_mangling,_config,_utils}.h $dev/include
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cat <<EOF > $dev/lib/pkgconfig/lapacke.pc
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Name: lapacke
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Version: ${version}
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Description: LAPACK C implementation
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Cflags: -I$dev/include
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Libs: -L$out/lib -llapacke
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EOF
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'' + lib.optionalString (lapackImplementation == "mkl") ''
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mkdir -p $out/nix-support
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echo 'export MKL_INTERFACE_LAYER=${lib.optionalString isILP64 "I"}LP64,GNU' > $out/nix-support/setup-hook
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ln -s $out/lib/liblapack${canonicalExtension} $out/lib/libmkl_rt${stdenv.hostPlatform.extensions.sharedLibrary}
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ln -sf ${lapackProvider'}/include/* $dev/include
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'');
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}
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