diff --git a/pkgs/development/libraries/physfs/default.nix b/pkgs/development/libraries/physfs/default.nix
index 66f2d433ee3..160f2f64cf4 100644
--- a/pkgs/development/libraries/physfs/default.nix
+++ b/pkgs/development/libraries/physfs/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, cmake, doxygen
+{ stdenv, fetchurl, cmake, doxygen, darwin
 , zlib }:
 
 let
@@ -14,7 +14,8 @@ let
 
     nativeBuildInputs = [ cmake doxygen ];
 
-    buildInputs = [ zlib ];
+    buildInputs = [ zlib ]
+      ++ stdenv.lib.optionals stdenv.isDarwin [ darwin.apple_sdk.frameworks.Foundation ];
 
     enableParallelBuilding = true;
 
@@ -32,7 +33,7 @@ let
       homepage = "http://icculus.org/physfs/";
       description = "Library to provide abstract access to various archives";
       license = licenses.free;
-      platforms = platforms.linux;
+      platforms = platforms.unix;
     };
   };
 
diff --git a/pkgs/development/web/nodejs/v14.nix b/pkgs/development/web/nodejs/v14.nix
index c3e4d750780..14833bb042f 100644
--- a/pkgs/development/web/nodejs/v14.nix
+++ b/pkgs/development/web/nodejs/v14.nix
@@ -8,7 +8,7 @@ let
 in
   buildNodejs {
     inherit enableNpm;
-    version = "14.15.1";
-    sha256 = "1g61vqsgq3jsipw2fckj68i4a4pi1iz1kbw7mlw8jmzp8rl46q81";
+    version = "14.15.3";
+    sha256 = "1zplrfhsrqblvq2wxf5386wc9hf11k42jaw4mzgwy5dxx6dv3krj";
     patches = stdenv.lib.optional stdenv.isDarwin ./bypass-xcodebuild.diff;
   }
diff --git a/pkgs/tools/misc/ethminer/default.nix b/pkgs/tools/misc/ethminer/default.nix
index d593d677cc3..f84b0096d04 100644
--- a/pkgs/tools/misc/ethminer/default.nix
+++ b/pkgs/tools/misc/ethminer/default.nix
@@ -1,5 +1,5 @@
 {
-  stdenv,
+  clangStdenv,
   fetchFromGitHub,
   opencl-headers,
   cmake,
@@ -16,7 +16,11 @@
   cli11
 }:
 
-stdenv.mkDerivation rec {
+# Note that this requires clang < 9.0 to build, and currently
+# clangStdenv provides clang 7.1 which satisfies the requirement.
+let stdenv = clangStdenv;
+
+in stdenv.mkDerivation rec {
   pname = "ethminer";
   version = "0.18.0";
 
@@ -71,8 +75,5 @@ stdenv.mkDerivation rec {
     platforms = [ "x86_64-linux" ];
     maintainers = with maintainers; [ nand0p ];
     license = licenses.gpl2;
-    # Doesn't build with gcc9, and if overlayed to use gcc8 stdenv fails on CUDA issues.
-    broken = true;
   };
-
 }