Add grpc.

pkgs/development/libraries/c-ares/default.nix

@@ -1,5 +1,6 @@
-{ stdenv, fetchurl }:
+{ stdenv, fetchurl, writeTextDir }:
 
+let self =
 stdenv.mkDerivation rec {
   name = "c-ares-1.13.0";
 
@@ -14,4 +15,28 @@ stdenv.mkDerivation rec {
     license = licenses.mit;
     platforms = platforms.all;
   };
-}
+
+  # Adapted from running a cmake build
+  passthru.cmake-config = writeTextDir "c-ares-config.cmake"
+    ''
+      set(c-ares_INCLUDE_DIR "${self}/include")
+
+      set(c-ares_LIBRARY c-ares::cares)
+
+      add_library(c-ares::cares SHARED IMPORTED)
+
+      set_target_properties(c-ares::cares PROPERTIES
+        INTERFACE_INCLUDE_DIRECTORIES "${self}/include"
+        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"
+        )
+      add_library(c-ares::cares_shared INTERFACE IMPORTED)
+      set_target_properties(c-ares::cares_shared PROPERTIES INTERFACE_LINK_LIBRARIES "c-ares::cares")
+      set(c-ares_SHARED_LIBRARY c-ares::cares_shared)
+    '';
+
+}; in self

pkgs/development/libraries/c-ares/release.patch

@@ -0,0 +1,19 @@
+diff -aur c-ares-cares-1_13_0/ares_version.h c-ares-1.13.0/ares_version.h
+--- c-ares-cares-1_13_0/ares_version.h	2017-06-20 02:00:21.000000000 -0400
++++ c-ares-1.13.0/ares_version.h	2017-06-20 02:03:54.000000000 -0400
+@@ -6,12 +6,12 @@
+ #define ARES_COPYRIGHT "2004 - 2016 Daniel Stenberg, <daniel@haxx.se>."
+ 
+ #define ARES_VERSION_MAJOR 1
+-#define ARES_VERSION_MINOR 12
+-#define ARES_VERSION_PATCH 1
++#define ARES_VERSION_MINOR 13
++#define ARES_VERSION_PATCH 0
+ #define ARES_VERSION ((ARES_VERSION_MAJOR<<16)|\
+                        (ARES_VERSION_MINOR<<8)|\
+                        (ARES_VERSION_PATCH))
+-#define ARES_VERSION_STR "1.12.1-DEV"
++#define ARES_VERSION_STR "1.13.0"
+ 
+ #if (ARES_VERSION >= 0x010700)
+ #  define CARES_HAVE_ARES_LIBRARY_INIT 1