Merge pull request #35203 from manveru/patch-1

gem-config: add ethon

pkgs/development/ruby-modules/gem-config/default.nix

···
       sed -i $installPath/lib/dep-selector-libgecode.rb -e 's@VENDORED_GECODE_DIR =.*@VENDORED_GECODE_DIR = "${gecode_3}"@'
     '';
   };
+  
+  ethon = attrs: {
+    dontBuild = false;
+    postPatch = ''
+      substituteInPlace lib/ethon/curls/settings.rb \
+        --replace "libcurl" "${curl.out}/lib/libcurl${stdenv.hostPlatform.extensions.sharedLibrary}"
+    '';
+  }; 
 
   eventmachine = attrs: {
     buildInputs = [ openssl ];