ethminer: fix global-context

pkgs/tools/misc/ethminer/add-global-context.patch

@@ -0,0 +1,25 @@
+diff --git a/libethcore/CMakeLists.txt b/libethcore/CMakeLists.txt
+index 1a53de8..832e926 100644
+--- a/libethcore/CMakeLists.txt
++++ b/libethcore/CMakeLists.txt
+@@ -7,7 +7,7 @@ set(SOURCES
+ include_directories(BEFORE ..)
+ 
+ add_library(ethcore ${SOURCES})
+-target_link_libraries(ethcore PUBLIC devcore ethash::ethash PRIVATE hwmon)
++target_link_libraries(ethcore PUBLIC devcore ethash::ethash ethash-global-context PRIVATE hwmon)
+ 
+ if(ETHASHCL)
+ 	target_link_libraries(ethcore PRIVATE ethash-cl)
+diff --git a/libethcore/EthashAux.h b/libethcore/EthashAux.h
+index d9aadc7..fe5c6cf 100644
+--- a/libethcore/EthashAux.h
++++ b/libethcore/EthashAux.h
+@@ -22,6 +22,7 @@
+ #include <libdevcore/Worker.h>
+ 
+ #include <ethash/ethash.hpp>
++#include <ethash/global_context.hpp>
+ 
+ namespace dev
+ {

pkgs/tools/misc/ethminer/default.nix

@@ -64,6 +64,11 @@ stdenv.mkDerivation rec {
     cudatoolkit
   ];
 
+  patches = [
+    # global context library is separated from libethash
+    ./add-global-context.patch
+  ];
+
   preConfigure = ''
     sed -i 's/_lib_static//' libpoolprotocols/CMakeLists.txt
   '';