hurd: cleanup unmaintained target

This has been not touched in 6 years. Let's remove it to cause less
problems when adding new cross-compiling infrastructure.
This also simplify gcc significantly.

4 files changed, 3 insertions, 7 deletions

diff --git a/lib/systems/doubles.nix b/lib/systems/doubles.nix
index adc454406b8..a00165db171 100644
--- a/lib/systems/doubles.nix
+++ b/lib/systems/doubles.nix
@@ -36,7 +36,7 @@ in rec {
   cygwin  = filterDoubles predicates.isCygwin;
   darwin  = filterDoubles predicates.isDarwin;
   freebsd = filterDoubles predicates.isFreeBSD;
-  # Should be better, but MinGW is unclear, and HURD is bit-rotted.
+  # Should be better, but MinGW is unclear.
   gnu     = filterDoubles (matchAttrs { kernel = parse.kernels.linux; abi = parse.abis.gnu; });
   illumos = filterDoubles predicates.isSunOS;
   linux   = filterDoubles predicates.isLinux;
diff --git a/lib/systems/for-meta.nix b/lib/systems/for-meta.nix
index 96e8b6f86eb..51fb6ae760d 100644
--- a/lib/systems/for-meta.nix
+++ b/lib/systems/for-meta.nix
@@ -20,7 +20,7 @@ in rec {
   cygwin  = [ patterns.isCygwin ];
   darwin  = [ patterns.isDarwin ];
   freebsd = [ patterns.isFreeBSD ];
-  # Should be better, but MinGW is unclear, and HURD is bit-rotted.
+  # Should be better, but MinGW is unclear.
   gnu     = [
     { kernel = parse.kernels.linux; abi = abis.gnu; }
     { kernel = parse.kernels.linux; abi = abis.gnueabi; }
diff --git a/lib/systems/inspect.nix b/lib/systems/inspect.nix
index ac34ed45695..65f560328af 100644
--- a/lib/systems/inspect.nix
+++ b/lib/systems/inspect.nix
@@ -27,14 +27,13 @@ rec {
 
     isBSD          = { kernel = { families = { inherit (kernelFamilies) bsd; }; }; };
     isDarwin       = { kernel = { families = { inherit (kernelFamilies) darwin; }; }; };
-    isUnix         = [ isBSD isDarwin isLinux isSunOS isHurd isCygwin ];
+    isUnix         = [ isBSD isDarwin isLinux isSunOS isCygwin ];
 
     isMacOS        = { kernel = kernels.macos; };
     isiOS          = { kernel = kernels.ios; };
     isLinux        = { kernel = kernels.linux; };
     isSunOS        = { kernel = kernels.solaris; };
     isFreeBSD      = { kernel = kernels.freebsd; };
-    isHurd         = { kernel = kernels.hurd; };
     isNetBSD       = { kernel = kernels.netbsd; };
     isOpenBSD      = { kernel = kernels.openbsd; };
     isWindows      = { kernel = kernels.windows; };
diff --git a/lib/systems/parse.nix b/lib/systems/parse.nix
index 7ee3479c333..bb26c93f3d7 100644
--- a/lib/systems/parse.nix
+++ b/lib/systems/parse.nix
@@ -172,7 +172,6 @@ rec {
     macos   = { execFormat = macho;   families = { inherit darwin; }; name = "darwin"; };
     ios     = { execFormat = macho;   families = { inherit darwin; }; };
     freebsd = { execFormat = elf;     families = { inherit bsd; }; };
-    hurd    = { execFormat = elf;     families = { }; };
     linux   = { execFormat = elf;     families = { }; };
     netbsd  = { execFormat = elf;     families = { inherit bsd; }; };
     none    = { execFormat = unknown; families = { }; };
@@ -259,8 +258,6 @@ rec {
     "2" = # We only do 2-part hacks for things Nix already supports
       if elemAt l 1 == "cygwin"
         then { cpu = elemAt l 0;                      kernel = "windows";  abi = "cygnus";   }
-      else if elemAt l 1 == "gnu"
-        then { cpu = elemAt l 0;                      kernel = "hurd";     abi = "gnu";      }
       else   { cpu = elemAt l 0;                      kernel = elemAt l 1;                   };
     "3" = # Awkwards hacks, beware!
       if elemAt l 1 == "apple"