diff --git a/pkgs/development/libraries/c-ares/default.nix b/pkgs/development/libraries/c-ares/default.nix
index a22437d3993..17624549117 100644
--- a/pkgs/development/libraries/c-ares/default.nix
+++ b/pkgs/development/libraries/c-ares/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, writeTextDir }:
+{ targetPlatform, stdenv, fetchurl, writeTextDir }:
 
 let self =
 stdenv.mkDerivation rec {
@@ -36,12 +36,12 @@ stdenv.mkDerivation rec {
 
       set_target_properties(c-ares::cares PROPERTIES
         INTERFACE_INCLUDE_DIRECTORIES "${self}/include"
-        INTERFACE_LINK_LIBRARIES "nsl;rt"
+        ${stdenv.lib.optionalString stdenv.isLinux ''INTERFACE_LINK_LIBRARIES "nsl;rt"''}
       )
       set_property(TARGET c-ares::cares APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
       set_target_properties(c-ares::cares PROPERTIES
-        IMPORTED_LOCATION_RELEASE "${self}/lib/libcares.so.2.2.0"
-        IMPORTED_SONAME_RELEASE "libcares.so.2"
+        IMPORTED_LOCATION_RELEASE "${self}/lib/libcares${targetPlatform.extensions.sharedLibrary}"
+        IMPORTED_SONAME_RELEASE "libcares${targetPlatform.extensions.sharedLibrary}"
         )
       add_library(c-ares::cares_shared INTERFACE IMPORTED)
       set_target_properties(c-ares::cares_shared PROPERTIES INTERFACE_LINK_LIBRARIES "c-ares::cares")
diff --git a/pkgs/development/libraries/grpc/default.nix b/pkgs/development/libraries/grpc/default.nix
index fc1f186a219..7f680b6b59b 100644
--- a/pkgs/development/libraries/grpc/default.nix
+++ b/pkgs/development/libraries/grpc/default.nix
@@ -9,6 +9,7 @@ stdenv.mkDerivation rec {
   };
   nativeBuildInputs = [ cmake pkgconfig ];
   buildInputs = [ zlib c-ares c-ares.cmake-config openssl protobuf gflags ];
+
   cmakeFlags =
     [ "-DgRPC_ZLIB_PROVIDER=package"
       "-DgRPC_CARES_PROVIDER=package"
@@ -16,11 +17,19 @@ stdenv.mkDerivation rec {
       "-DgRPC_PROTOBUF_PROVIDER=package"
       "-DgRPC_GFLAGS_PROVIDER=package"
     ];
+
+  # CMake creates a build directory by default, this conflicts with the
+  # basel BUILD file on case-insensitive filesystems.
+  preConfigure = ''
+    rm -vf BUILD
+  '';
+
   enableParallelBuilds = true;
 
   meta = with stdenv.lib; {
     description = "The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)";
     license = licenses.asl20;
+    maintainers = [ maintainers.lnl7 ];
     homepage = https://grpc.io/;
   };
 }