Merge branch 'staging' into fix-ncurses-darwin-extensions

pkgs/development/compilers/gcc/7/default.nix

@@ -172,7 +172,7 @@ let version = "7.3.0";
           "--disable-decimal-float" # No final libdecnumber (it may work only in 386)
         ]));
     stageNameAddon = if crossStageStatic then "-stage-static" else "-stage-final";
-    crossNameAddon = if targetPlatform != hostPlatform then "-${targetPlatform.config}" + stageNameAddon else "";
+    crossNameAddon = if targetPlatform != hostPlatform then "${targetPlatform.config}${stageNameAddon}-" else "";
 
     bootstrap = targetPlatform == hostPlatform;
 
@@ -182,7 +182,7 @@ in
 assert x11Support -> (filter (x: x == null) ([ gtk2 libart_lgpl ] ++ xlibs)) == [];
 
 stdenv.mkDerivation ({
-  name = "${name}${if stripped then "" else "-debug"}-${version}" + crossNameAddon;
+  name = crossNameAddon + "${name}${if stripped then "" else "-debug"}-${version}";
 
   builder = ../builder.sh;
 
@@ -409,6 +409,8 @@ stdenv.mkDerivation ({
   buildFlags =
     optional bootstrap (if profiledCompiler then "profiledbootstrap" else "bootstrap");
 
+  doCheck = false; # requires a lot of tools, causes a dependency cycle for stdenv
+
   installTargets =
     if stripped
     then "install-strip"