diff --git a/pkgs/development/compilers/julia/1.0.nix b/pkgs/development/compilers/julia/1.0.nix
index 3cd9daee1416..a98b69f50e9f 100644
--- a/pkgs/development/compilers/julia/1.0.nix
+++ b/pkgs/development/compilers/julia/1.0.nix
@@ -1,4 +1,19 @@
-import ./shared.nix {
+{ stdenv, fetchpatch, fetchurl, fetchzip
+# build tools
+, gfortran, m4, makeWrapper, patchelf, perl, which, python2
+, cmake
+# libjulia dependencies
+, libunwind, readline, utf8proc, zlib
+# standard library dependencies
+, curl, fftwSinglePrec, fftw, gmp, libgit2, mpfr, openlibm, openspecfun, pcre2
+# linear algebra
+, blas, lapack, arpack
+# Darwin frameworks
+, CoreServices, ApplicationServices
+}:
+
+
+let
   majorVersion = "1";
   minorVersion = "0";
   maintenanceVersion = "4";
@@ -6,4 +21,193 @@ import ./shared.nix {
 
   libuvVersion = "ed3700c849289ed01fe04273a7bf865340b2bd7e";
   libuvSha256 = "137w666zsjw1p0ma3lf94d75hr1q45sgkfmbizkyji2qm57cnxjs";
+
+  dsfmtVersion = "2.2.3";
+  dsfmt = fetchurl {
+    url = "http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/SFMT/dSFMT-src-${dsfmtVersion}.tar.gz";
+    sha256 = "03kaqbjbi6viz0n33dk5jlf6ayxqlsq4804n7kwkndiga9s4hd42";
+  };
+
+  libuv = fetchurl {
+    url = "https://api.github.com/repos/JuliaLang/libuv/tarball/${libuvVersion}";
+    sha256 = libuvSha256;
+  };
+
+  rmathVersion = "0.1";
+  rmath-julia = fetchurl {
+    url = "https://api.github.com/repos/JuliaLang/Rmath-julia/tarball/v${rmathVersion}";
+    sha256 = "1qyps217175qhid46l8f5i1v8i82slgp23ia63x2hzxwfmx8617p";
+  };
+
+  virtualenvVersion = "15.0.0";
+  virtualenv = fetchurl {
+    url = "mirror://pypi/v/virtualenv/virtualenv-${virtualenvVersion}.tar.gz";
+    sha256 = "06fw4liazpx5vf3am45q2pdiwrv0id7ckv7n6zmpml29x6vkzmkh";
+  };
+
+  libwhichVersion = "81e9723c0273d78493dc8c8ed570f68d9ce7e89e";
+  libwhich = fetchurl {
+    url = "https://api.github.com/repos/vtjnash/libwhich/tarball/${libwhichVersion}";
+    sha256 = "1p7zg31kpmpbmh1znrk1xrbd074agx13b9q4dcw8n2zrwwdlbz3b";
+  };
+
+  llvmVersion = "6.0.0";
+  llvm = fetchurl {
+    url = "http://releases.llvm.org/6.0.0/llvm-${llvmVersion}.src.tar.xz";
+    sha256 = "0224xvfg6h40y5lrbnb9qaq3grmdc5rg00xq03s1wxjfbf8krx8z";
+  };
+
+  suitesparseVersion = "4.4.5";
+  suitesparse = fetchurl {
+    url = "http://faculty.cse.tamu.edu/davis/SuiteSparse/SuiteSparse-${suitesparseVersion}.tar.gz";
+    sha256 = "1jcbxb8jx5wlcixzf6n5dca2rcfx6mlcms1k2rl5gp67ay3bix43";
+  };
+  version = "${majorVersion}.${minorVersion}.${maintenanceVersion}";
+in
+
+stdenv.mkDerivation rec {
+  pname = "julia";
+  inherit version;
+
+  src = fetchzip {
+    url = "https://github.com/JuliaLang/${pname}/releases/download/v${version}/${pname}-${version}.tar.gz";
+    sha256 = src_sha256;
+  };
+
+  nativeBuildInputs = [ cmake curl gfortran m4 makeWrapper patchelf perl python2 which ];
+  # cmake is only used to build the bundled deps
+  dontUseCmakeConfigure = true;
+
+  # We assert that compatible blas and lapack are used.
+  buildInputs = assert (blas.isILP64 == lapack.isILP64); [
+    arpack fftw fftwSinglePrec gmp libgit2 libunwind mpfr
+    pcre2.dev blas lapack openlibm openspecfun readline utf8proc
+    zlib
+  ]
+  ++ stdenv.lib.optionals stdenv.isDarwin [CoreServices ApplicationServices]
+  ;
+
+  patches = [
+    # Julia recompiles a precompiled file if the mtime stored *in* the
+    # .ji file differs from the mtime of the .ji file.  This
+    # doesn't work in Nix because Nix changes the mtime of files in
+    # the Nix store to 1. So patch Julia to accept mtimes of 1.
+    ./allow_nix_mtime.patch
+    ./diagonal-test.patch
+    ./use-system-utf8proc-julia-1.0.patch
+  ];
+
+  postPatch = ''
+    patchShebangs . contrib
+    for i in backtrace cmdlineargs; do
+      mv test/$i.jl{,.off}
+      touch test/$i.jl
+    done
+    rm stdlib/Sockets/test/runtests.jl && touch stdlib/Sockets/test/runtests.jl
+    rm stdlib/Distributed/test/runtests.jl && touch stdlib/Distributed/test/runtests.jl
+    sed -e 's/Invalid Content-Type:/invalid Content-Type:/g' -i ./stdlib/LibGit2/test/libgit2.jl
+    sed -e 's/Failed to resolve /failed to resolve /g' -i ./stdlib/LibGit2/test/libgit2.jl
+  '';
+  prePatch = ''
+    mkdir deps/srccache
+    cp "${dsfmt}" "./deps/srccache/dsfmt-${dsfmtVersion}.tar.gz"
+    cp "${rmath-julia}" "./deps/srccache/Rmath-julia-${rmathVersion}.tar.gz"
+    cp "${libuv}" "./deps/srccache/libuv-${libuvVersion}.tar.gz"
+    cp "${virtualenv}" "./deps/srccache/virtualenv-${virtualenvVersion}.tar.gz"
+    cp "${libwhich}" "./deps/srccache/libwhich-${libwhichVersion}.tar.gz"
+    cp "${llvm}" "./deps/srccache/llvm-${llvmVersion}.src.tar.xz"
+    cp "${suitesparse}" "./deps/srccache/SuiteSparse-${suitesparseVersion}.tar.gz"
+  '';
+
+  makeFlags =
+    let
+      arch = stdenv.lib.head (stdenv.lib.splitString "-" stdenv.system);
+      march = {
+        x86_64 = stdenv.hostPlatform.platform.gcc.arch or "x86-64";
+        i686 = "pentium4";
+        aarch64 = "armv8-a";
+      }.${arch}
+              or (throw "unsupported architecture: ${arch}");
+      # Julia requires Pentium 4 (SSE2) or better
+      cpuTarget = { x86_64 = "x86-64"; i686 = "pentium4"; aarch64 = "generic"; }.${arch}
+                  or (throw "unsupported architecture: ${arch}");
+    in [
+      "ARCH=${arch}"
+      "MARCH=${march}"
+      "JULIA_CPU_TARGET=${cpuTarget}"
+      "PREFIX=$(out)"
+      "prefix=$(out)"
+      "SHELL=${stdenv.shell}"
+
+      "USE_SYSTEM_BLAS=1"
+      "USE_BLAS64=${if blas.isILP64 then "1" else "0"}"
+
+      "USE_SYSTEM_LAPACK=1"
+
+      "USE_SYSTEM_ARPACK=1"
+      "USE_SYSTEM_FFTW=1"
+      "USE_SYSTEM_GMP=1"
+      "USE_SYSTEM_LIBGIT2=1"
+      "USE_SYSTEM_LIBUNWIND=1"
+
+      # We will probably never do that
+      #"USE_SYSTEM_LLVM=1"
+      "LLVM_VER=6.0.0"
+
+      "USE_SYSTEM_MPFR=1"
+      "USE_SYSTEM_OPENLIBM=1"
+      "USE_SYSTEM_OPENSPECFUN=1"
+      "USE_SYSTEM_PATCHELF=1"
+      "USE_SYSTEM_PCRE=1"
+      "PCRE_CONFIG=${pcre2.dev}/bin/pcre2-config"
+      "PCRE_INCL_PATH=${pcre2.dev}/include/pcre2.h"
+      "USE_SYSTEM_READLINE=1"
+      "USE_SYSTEM_UTF8PROC=1"
+      "USE_SYSTEM_ZLIB=1"
+    ];
+
+  LD_LIBRARY_PATH = assert (blas.isILP64 == lapack.isILP64); (stdenv.lib.makeLibraryPath [
+    arpack fftw fftwSinglePrec gmp libgit2 mpfr blas lapack openlibm
+    openspecfun pcre2
+  ]);
+
+  enableParallelBuilding = true;
+
+  doCheck = !stdenv.isDarwin;
+  checkTarget = "testall";
+  # Julia's tests require read/write access to $HOME
+  preCheck = ''
+    export HOME="$NIX_BUILD_TOP"
+  '';
+
+  preBuild = ''
+    sed -e '/^install:/s@[^ ]*/doc/[^ ]*@@' -i Makefile
+    sed -e '/[$](DESTDIR)[$](docdir)/d' -i Makefile
+    export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}
+  '';
+
+  postInstall = ''
+    # Symlink shared libraries from LD_LIBRARY_PATH into lib/julia,
+    # as using a wrapper with LD_LIBRARY_PATH causes segmentation
+    # faults when program returns an error:
+    #   $ julia -e 'throw(Error())'
+    find $(echo $LD_LIBRARY_PATH | sed 's|:| |g') -maxdepth 1 -name '*.${if stdenv.isDarwin then "dylib" else "so"}*' | while read lib; do
+      if [[ ! -e $out/lib/julia/$(basename $lib) ]]; then
+        ln -sv $lib $out/lib/julia/$(basename $lib)
+      fi
+    done
+  '';
+
+  passthru = {
+    inherit majorVersion minorVersion maintenanceVersion;
+    site = "share/julia/site/v${majorVersion}.${minorVersion}";
+  };
+
+  meta = {
+    description = "High-level performance-oriented dynamical language for technical computing";
+    homepage = "https://julialang.org/";
+    license = stdenv.lib.licenses.mit;
+    maintainers = with stdenv.lib.maintainers; [ raskin rob garrison ];
+    platforms = [ "i686-linux" "x86_64-linux" "x86_64-darwin" "aarch64-linux" ];
+  };
 }
diff --git a/pkgs/development/compilers/julia/diagonal-test.patch b/pkgs/development/compilers/julia/diagonal-test.patch
new file mode 100644
index 000000000000..dd31e67e9d34
--- /dev/null
+++ b/pkgs/development/compilers/julia/diagonal-test.patch
@@ -0,0 +1,27 @@
+From 9eb180c523b877a53b9e1cf53a4d5e6dad3d7bfe Mon Sep 17 00:00:00 2001
+From: Lars Jellema <lars.jellema@gmail.com>
+Date: Sat, 19 Sep 2020 13:52:20 +0200
+Subject: [PATCH] Use approximate comparisons for diagonal tests
+
+---
+ stdlib/LinearAlgebra/test/diagonal.jl | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/stdlib/LinearAlgebra/test/diagonal.jl b/stdlib/LinearAlgebra/test/diagonal.jl
+index e420d5bc6d..7f1b5d0aec 100644
+--- a/stdlib/LinearAlgebra/test/diagonal.jl
++++ b/stdlib/LinearAlgebra/test/diagonal.jl
+@@ -450,8 +450,8 @@ end
+         M = randn(T, 5, 5)
+         MM = [randn(T, 2, 2) for _ in 1:2, _ in 1:2]
+         for transform in (identity, adjoint, transpose, Adjoint, Transpose)
+-            @test lmul!(transform(D), copy(M)) == *(transform(Matrix(D)), M)
+-            @test rmul!(copy(M), transform(D)) == *(M, transform(Matrix(D)))
++            @test lmul!(transform(D), copy(M)) ≈ *(transform(Matrix(D)), M)
++            @test rmul!(copy(M), transform(D)) ≈ *(M, transform(Matrix(D)))
+             @test lmul!(transform(DD), copy(MM)) == *(transform(fullDD), MM)
+             @test rmul!(copy(MM), transform(DD)) == *(MM, transform(fullDD))
+         end
+-- 
+2.28.0
+
diff --git a/pkgs/development/compilers/julia/shared.nix b/pkgs/development/compilers/julia/shared.nix
deleted file mode 100644
index 29ac41150506..000000000000
--- a/pkgs/development/compilers/julia/shared.nix
+++ /dev/null
@@ -1,210 +0,0 @@
-{ majorVersion
-, minorVersion
-, maintenanceVersion
-, src_sha256
-# source deps
-, libuvVersion
-, libuvSha256
-}:
-{ stdenv, fetchurl, fetchzip
-# build tools
-, gfortran, m4, makeWrapper, patchelf, perl, which, python2
-, cmake
-# libjulia dependencies
-, libunwind, readline, utf8proc, zlib
-# standard library dependencies
-, curl, fftwSinglePrec, fftw, gmp, libgit2, mpfr, openlibm, openspecfun, pcre2
-# linear algebra
-, blas, lapack, arpack
-# Darwin frameworks
-, CoreServices, ApplicationServices
-}:
-
-with stdenv.lib;
-
-assert (!blas.isILP64) && (!lapack.isILP64);
-
-let
-  dsfmtVersion = "2.2.3";
-  dsfmt = fetchurl {
-    url = "http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/SFMT/dSFMT-src-${dsfmtVersion}.tar.gz";
-    sha256 = "03kaqbjbi6viz0n33dk5jlf6ayxqlsq4804n7kwkndiga9s4hd42";
-  };
-
-  libuv = fetchurl {
-    url = "https://api.github.com/repos/JuliaLang/libuv/tarball/${libuvVersion}";
-    sha256 = libuvSha256;
-  };
-
-  rmathVersion = "0.1";
-  rmath-julia = fetchurl {
-    url = "https://api.github.com/repos/JuliaLang/Rmath-julia/tarball/v${rmathVersion}";
-    sha256 = "1qyps217175qhid46l8f5i1v8i82slgp23ia63x2hzxwfmx8617p";
-  };
-
-  virtualenvVersion = "15.0.0";
-  virtualenv = fetchurl {
-    url = "mirror://pypi/v/virtualenv/virtualenv-${virtualenvVersion}.tar.gz";
-    sha256 = "06fw4liazpx5vf3am45q2pdiwrv0id7ckv7n6zmpml29x6vkzmkh";
-  };
-
-  libwhichVersion = "81e9723c0273d78493dc8c8ed570f68d9ce7e89e";
-  libwhich = fetchurl {
-    url = "https://api.github.com/repos/vtjnash/libwhich/tarball/${libwhichVersion}";
-    sha256 = "1p7zg31kpmpbmh1znrk1xrbd074agx13b9q4dcw8n2zrwwdlbz3b";
-  };
-
-  llvmVersion = "6.0.0";
-  llvm = fetchurl {
-    url = "http://releases.llvm.org/6.0.0/llvm-${llvmVersion}.src.tar.xz";
-    sha256 = "0224xvfg6h40y5lrbnb9qaq3grmdc5rg00xq03s1wxjfbf8krx8z";
-  };
-
-  suitesparseVersion = "4.4.5";
-  suitesparse = fetchurl {
-    url = "http://faculty.cse.tamu.edu/davis/SuiteSparse/SuiteSparse-${suitesparseVersion}.tar.gz";
-    sha256 = "1jcbxb8jx5wlcixzf6n5dca2rcfx6mlcms1k2rl5gp67ay3bix43";
-  };
-  version = "${majorVersion}.${minorVersion}.${maintenanceVersion}";
-in
-
-stdenv.mkDerivation rec {
-  pname = "julia";
-  inherit version;
-
-  src = fetchzip {
-    url = "https://github.com/JuliaLang/${pname}/releases/download/v${version}/${pname}-${version}.tar.gz";
-    sha256 = src_sha256;
-  };
-  prePatch = ''
-    export PATH=$PATH:${cmake}/bin
-    mkdir deps/srccache
-    cp "${dsfmt}" "./deps/srccache/dsfmt-${dsfmtVersion}.tar.gz"
-    cp "${rmath-julia}" "./deps/srccache/Rmath-julia-${rmathVersion}.tar.gz"
-    cp "${libuv}" "./deps/srccache/libuv-${libuvVersion}.tar.gz"
-    cp "${virtualenv}" "./deps/srccache/virtualenv-${virtualenvVersion}.tar.gz"
-    cp "${libwhich}" "./deps/srccache/libwhich-${libwhichVersion}.tar.gz"
-    cp "${llvm}" "./deps/srccache/llvm-${llvmVersion}.src.tar.xz"
-    cp "${suitesparse}" "./deps/srccache/SuiteSparse-${suitesparseVersion}.tar.gz"
-  '';
-
-  patches = [
-    ./0001.1-use-system-utf8proc.patch
-
-    # Julia recompiles a precompiled file if the mtime stored *in* the
-    # .ji file differs from the mtime of the .ji file.  This
-    # doesn't work in Nix because Nix changes the mtime of files in
-    # the Nix store to 1. So patch Julia to accept mtimes of 1.
-    ./allow_nix_mtime.patch
-  ];
-
-  postPatch = ''
-    patchShebangs . contrib
-    for i in backtrace cmdlineargs; do
-      mv test/$i.jl{,.off}
-      touch test/$i.jl
-    done
-    rm stdlib/Sockets/test/runtests.jl && touch stdlib/Sockets/test/runtests.jl
-    rm stdlib/Distributed/test/runtests.jl && touch stdlib/Distributed/test/runtests.jl
-    sed -e 's/Invalid Content-Type:/invalid Content-Type:/g' -i ./stdlib/LibGit2/test/libgit2.jl
-    sed -e 's/Failed to resolve /failed to resolve /g' -i ./stdlib/LibGit2/test/libgit2.jl
-  '';
-
-  buildInputs = [
-    arpack fftw fftwSinglePrec gmp libgit2 libunwind mpfr
-    pcre2.dev blas lapack openlibm openspecfun readline utf8proc
-    zlib
-  ]
-  ++ stdenv.lib.optionals stdenv.isDarwin [CoreServices ApplicationServices]
-  ;
-
-  nativeBuildInputs = [ curl gfortran m4 makeWrapper patchelf perl python2 which ];
-
-  makeFlags =
-    let
-      arch = head (splitString "-" stdenv.system);
-      march = { x86_64 = stdenv.hostPlatform.platform.gcc.arch or "x86-64"; i686 = "pentium4"; }.${arch}
-              or (throw "unsupported architecture: ${arch}");
-      # Julia requires Pentium 4 (SSE2) or better
-      cpuTarget = { x86_64 = "x86-64"; i686 = "pentium4"; }.${arch}
-                  or (throw "unsupported architecture: ${arch}");
-    in [
-      "ARCH=${arch}"
-      "MARCH=${march}"
-      "JULIA_CPU_TARGET=${cpuTarget}"
-      "PREFIX=$(out)"
-      "prefix=$(out)"
-      "SHELL=${stdenv.shell}"
-
-      "USE_SYSTEM_BLAS=1"
-      "USE_BLAS64=${if blas.isILP64 then "1" else "0"}"
-
-      "USE_SYSTEM_LAPACK=1"
-
-      "USE_SYSTEM_ARPACK=1"
-      "USE_SYSTEM_FFTW=1"
-      "USE_SYSTEM_GMP=1"
-      "USE_SYSTEM_LIBGIT2=1"
-      "USE_SYSTEM_LIBUNWIND=1"
-
-      #"USE_SYSTEM_LLVM=1"
-      "LLVM_VER=6.0.0"
-
-      "USE_SYSTEM_MPFR=1"
-      "USE_SYSTEM_OPENLIBM=1"
-      "USE_SYSTEM_OPENSPECFUN=1"
-      "USE_SYSTEM_PATCHELF=1"
-      "USE_SYSTEM_PCRE=1"
-      "PCRE_CONFIG=${pcre2.dev}/bin/pcre2-config"
-      "PCRE_INCL_PATH=${pcre2.dev}/include/pcre2.h"
-      "USE_SYSTEM_READLINE=1"
-      "USE_SYSTEM_UTF8PROC=1"
-      "USE_SYSTEM_ZLIB=1"
-    ];
-
-  LD_LIBRARY_PATH = makeLibraryPath [
-    arpack fftw fftwSinglePrec gmp libgit2 mpfr blas lapack openlibm
-    openspecfun pcre2
-  ];
-
-  enableParallelBuilding = true;
-
-  doCheck = !stdenv.isDarwin;
-  checkTarget = "testall";
-  # Julia's tests require read/write access to $HOME
-  preCheck = ''
-    export HOME="$NIX_BUILD_TOP"
-  '';
-
-  preBuild = ''
-    sed -e '/^install:/s@[^ ]*/doc/[^ ]*@@' -i Makefile
-    sed -e '/[$](DESTDIR)[$](docdir)/d' -i Makefile
-    export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}
-  '';
-
-  postInstall = ''
-    # Symlink shared libraries from LD_LIBRARY_PATH into lib/julia,
-    # as using a wrapper with LD_LIBRARY_PATH causes segmentation
-    # faults when program returns an error:
-    #   $ julia -e 'throw(Error())'
-    find $(echo $LD_LIBRARY_PATH | sed 's|:| |g') -maxdepth 1 -name '*.${if stdenv.isDarwin then "dylib" else "so"}*' | while read lib; do
-      if [[ ! -e $out/lib/julia/$(basename $lib) ]]; then
-        ln -sv $lib $out/lib/julia/$(basename $lib)
-      fi
-    done
-  '';
-
-  passthru = {
-    inherit majorVersion minorVersion maintenanceVersion;
-    site = "share/julia/site/v${majorVersion}.${minorVersion}";
-  };
-
-  meta = {
-    description = "High-level performance-oriented dynamical language for technical computing";
-    homepage = "https://julialang.org/";
-    license = stdenv.lib.licenses.mit;
-    maintainers = with stdenv.lib.maintainers; [ raskin rob garrison ];
-    platforms = [ "i686-linux" "x86_64-linux" "x86_64-darwin" ];
-    broken = stdenv.isi686;
-  };
-}
diff --git a/pkgs/development/compilers/julia/0001.1-use-system-utf8proc.patch b/pkgs/development/compilers/julia/use-system-utf8proc-julia-1.0.patch
similarity index 100%
rename from pkgs/development/compilers/julia/0001.1-use-system-utf8proc.patch
rename to pkgs/development/compilers/julia/use-system-utf8proc-julia-1.0.patch
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0e0efbb8d70a..e7fa87cf8887 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9518,6 +9518,7 @@ in
   julia_10 = callPackage ../development/compilers/julia/1.0.nix {
     gmp = gmp6;
     inherit (darwin.apple_sdk.frameworks) CoreServices ApplicationServices;
+    libgit2 = libgit2_0_27;
   };
 
   julia_13 = callPackage ../development/compilers/julia/1.3.nix {