1 files changed, 0 insertions, 57 deletions
diff --git a/pkgs/development/interpreters/python/cpython/default.nix b/pkgs/development/interpreters/python/cpython/default.nix
index 4b4ff836095..02777063a77 100644
--- a/pkgs/development/interpreters/python/cpython/default.nix
+++ b/pkgs/development/interpreters/python/cpython/default.nix
@@ -101,44 +101,6 @@ let
     "$out/bin/python"
   else pythonForBuild.interpreter;
 
-  # The CPython interpreter contains a _sysconfigdata_<platform specific suffix>
-  # module that is imported by the sysconfig and distutils.sysconfig modules.
-  # The sysconfigdata module is generated at build time and contains settings
-  # required for building Python extension modules, such as include paths and
-  # other compiler flags. By default, the sysconfigdata module is loaded from
-  # the currently running interpreter (ie. the build platform interpreter), but
-  # when cross-compiling we want to load it from the host platform interpreter.
-  # This can be done using the _PYTHON_SYSCONFIGDATA_NAME environment variable.
-  # The _PYTHON_HOST_PLATFORM variable also needs to be set to get the correct
-  # platform suffix on extension modules. The correct values for these variables
-  # are not documented, and must be derived from the configure script (see links
-  # below).
-  sysconfigdataHook = with stdenv.hostPlatform; let
-    # https://github.com/python/cpython/blob/e488e300f5c01289c10906c2e53a8e43d6de32d8/configure.ac#L428
-    pythonHostPlatform = "${parsed.kernel.name}-${parsed.cpu.name}";
-
-    # https://github.com/python/cpython/blob/e488e300f5c01289c10906c2e53a8e43d6de32d8/configure.ac#L724
-    multiarchCpu =
-      if isAarch32 then
-        if parsed.cpu.significantByte.name == "littleEndian" then "arm" else "armeb"
-      else parsed.cpu.name;
-    multiarch =
-      if isDarwin then "darwin"
-      else "${multiarchCpu}-${parsed.kernel.name}-${parsed.abi.name}";
-
-    # https://github.com/python/cpython/blob/e488e300f5c01289c10906c2e53a8e43d6de32d8/configure.ac#L78
-    pythonSysconfigdataName = "_sysconfigdata__${parsed.kernel.name}_${multiarch}";
-  in ''
-    sysconfigdataHook() {
-      if [ "$1" = '${placeholder "out"}' ]; then
-        export _PYTHON_HOST_PLATFORM='${pythonHostPlatform}'
-        export _PYTHON_SYSCONFIGDATA_NAME='${pythonSysconfigdataName}'
-      fi
-    }
-
-    addEnvHooks "$hostOffset" sysconfigdataHook
-  '';
-
 in with passthru; stdenv.mkDerivation {
   pname = "python3";
   inherit version;
@@ -204,13 +166,6 @@ in with passthru; stdenv.mkDerivation {
   ] ++ [
     # LDSHARED now uses $CC instead of gcc. Fixes cross-compilation of extension modules.
     ./3.8/0001-On-all-posix-systems-not-just-Darwin-set-LDSHARED-if.patch
-    # Use sysconfigdata to find headers. Fixes cross-compilation of extension modules.
-    (
-      if isPy36 then
-        ./3.6/fix-finding-headers-when-cross-compiling.patch
-      else
-        ./3.7/fix-finding-headers-when-cross-compiling.patch
-    )
   ];
 
   postPatch = ''
@@ -324,10 +279,6 @@ in with passthru; stdenv.mkDerivation {
     find $out/lib/python*/config-* -type f -print -exec nuke-refs -e $out '{}' +
     find $out/lib -name '_sysconfigdata*.py*' -print -exec nuke-refs -e $out '{}' +
 
-    # Make the sysconfigdata module accessible on PYTHONPATH
-    # This allows build Python to import host Python's sysconfigdata
-    mkdir -p "$out/${sitePackages}"
-    ln -s "$out/lib/${libPrefix}/"_sysconfigdata*.py "$out/${sitePackages}/"
     '' + optionalString stripConfig ''
     rm -R $out/bin/python*-config $out/lib/python*/config-*
     '' + optionalString stripIdlelib ''
@@ -360,14 +311,6 @@ in with passthru; stdenv.mkDerivation {
     export PATH=${stdenv.lib.makeBinPath [ "$out" bash ]}:$PATH
   '';
 
-  # Add CPython specific setup-hook that configures distutils.sysconfig to
-  # always load sysconfigdata from host Python.
-  postFixup = ''
-    cat << "EOF" >> "$out/nix-support/setup-hook"
-    ${sysconfigdataHook}
-    EOF
-  '';
-
   # Enforce that we don't have references to the OpenSSL -dev package, which we
   # explicitly specify in our configure flags above.
   disallowedReferences =