diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f1c39fddb36..5c34c26c754 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6114,11 +6114,15 @@ with pkgs;
     cmake = cmake.override { isBootstrap = true; };
     libxml2 = libxml2.override { pythonSupport = false; };
     python2 = callPackage ../development/interpreters/python/cpython/2.7/boot.nix { inherit (darwin) CF configd; };
+  } // stdenv.lib.optionalAttrs (stdenv.cc.isGNU && stdenv.hostPlatform.isi686) {
+    stdenv = overrideCC stdenv gcc6; # with gcc-7: undefined reference to `__divmoddi4'
   });
 
-  llvmPackages_5 = callPackage ../development/compilers/llvm/5 {
+  llvmPackages_5 = callPackage ../development/compilers/llvm/5 ({
     inherit (stdenvAdapters) overrideCC;
-  };
+  } // stdenv.lib.optionalAttrs (stdenv.cc.isGNU && stdenv.hostPlatform.isi686) {
+    stdenv = overrideCC stdenv gcc6; # with gcc-7: undefined reference to `__divmoddi4'
+  });
 
   manticore = callPackage ../development/compilers/manticore { };