diff --git a/pkgs/development/libraries/cpp-hocon/default.nix b/pkgs/development/libraries/cpp-hocon/default.nix
index 00399616d9a..47ec7a1a6eb 100644
--- a/pkgs/development/libraries/cpp-hocon/default.nix
+++ b/pkgs/development/libraries/cpp-hocon/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     owner = "puppetlabs";
   };
 
-  NIX_CFLAGS_COMPILE = "-Wno-error=catch-value";
+  NIX_CFLAGS_COMPILE = "-Wno-error";
 
   nativeBuildInputs = [ cmake ];
 
@@ -21,10 +21,10 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     inherit (src.meta) homepage;
-    description = " A C++ port of the Typesafe Config library";
+    description = "A C++ port of the Typesafe Config library";
     license = licenses.asl20;
     maintainers = [ maintainers.womfoo ];
-    platforms = platforms.linux;
+    platforms = platforms.unix;
   };
 
 }
diff --git a/pkgs/development/libraries/leatherman/default.nix b/pkgs/development/libraries/leatherman/default.nix
index 8a34f05f6cf..95226504495 100644
--- a/pkgs/development/libraries/leatherman/default.nix
+++ b/pkgs/development/libraries/leatherman/default.nix
@@ -11,12 +11,7 @@ stdenv.mkDerivation rec {
     owner = "puppetlabs";
   };
 
-  NIX_CFLAGS_COMPILE = builtins.toString [
-    "-Wno-error=ignored-qualifiers"
-    "-Wno-error=class-memaccess"
-    "-Wno-error=catch-value"
-    "-Wno-error=deprecated-copy"
-  ];
+  NIX_CFLAGS_COMPILE = "-Wno-error";
 
   nativeBuildInputs = [ cmake ];
   buildInputs = [ boost curl ruby ];
@@ -28,7 +23,7 @@ stdenv.mkDerivation rec {
     description = "A collection of C++ and CMake utility libraries";
     license = licenses.asl20;
     maintainers = [ maintainers.womfoo ];
-    platforms = platforms.linux;
+    platforms = platforms.unix;
   };
 
 }
diff --git a/pkgs/development/libraries/libwhereami/default.nix b/pkgs/development/libraries/libwhereami/default.nix
index 9238827d70e..59e349b4e6a 100644
--- a/pkgs/development/libraries/libwhereami/default.nix
+++ b/pkgs/development/libraries/libwhereami/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     owner = "puppetlabs";
   };
 
-  NIX_CFLAGS_COMPILE = "-Wno-error=catch-value";
+  NIX_CFLAGS_COMPILE = "-Wno-error";
 
   nativeBuildInputs = [ cmake ];
 
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     description = "Library to report hypervisor information from inside a VM";
     license = licenses.asl20;
     maintainers = [ maintainers.womfoo ];
-    platforms = with platforms; [ "i686-linux" "x86_64-linux" ]; # fails on aarch64
+    platforms = with platforms; [ "i686-linux" "x86_64-linux" "x86_64-darwin" ]; # fails on aarch64
   };
 
 }
diff --git a/pkgs/tools/system/facter/default.nix b/pkgs/tools/system/facter/default.nix
index b6a04f808a4..a4065cce864 100644
--- a/pkgs/tools/system/facter/default.nix
+++ b/pkgs/tools/system/facter/default.nix
@@ -11,15 +11,15 @@ stdenv.mkDerivation rec {
     owner = "puppetlabs";
   };
 
-  CXXFLAGS = "-fpermissive -Wno-error=catch-value";
-  NIX_LDFLAGS = "-lblkid";
+  CXXFLAGS = stdenv.lib.optionalString stdenv.cc.isGNU "-fpermissive -Wno-error=catch-value";
+  NIX_LDFLAGS = stdenv.lib.optionalString stdenv.isLinux "-lblkid";
 
   cmakeFlags = [
-    "-DFACTER_RUBY=${ruby}/lib/libruby.so"
+    "-DFACTER_RUBY=${ruby}/lib/libruby${stdenv.hostPlatform.extensions.sharedLibrary}"
     "-DRUBY_LIB_INSTALL=${placeholder "out"}/lib/ruby"
   ];
 
-  NIX_CFLAGS_COMPILE = "-Wno-error=deprecated-copy";
+  NIX_CFLAGS_COMPILE = "-Wno-error";
 
   nativeBuildInputs = [ cmake ];
   buildInputs = [ boost cpp-hocon curl leatherman libwhereami libyamlcpp openssl ruby utillinux ];
@@ -31,6 +31,6 @@ stdenv.mkDerivation rec {
     description = "A system inventory tool";
     license = licenses.asl20;
     maintainers = [ maintainers.womfoo ];
-    platforms = platforms.linux;
+    platforms = platforms.unix;
   };
 }