Index: textproc/kenlm/files/patch-jam-files-sanity.jam
===================================================================
--- textproc/kenlm/files/patch-jam-files-sanity.jam	(revision 387883)
+++ textproc/kenlm/files/patch-jam-files-sanity.jam	(working copy)
@@ -1,11 +1,19 @@
 --- jam-files/sanity.jam.orig	2014-04-21 07:58:19.000000000 +0400
 +++ jam-files/sanity.jam	2014-08-31 00:16:40.000000000 +0400
-@@ -148,7 +148,7 @@ rule boost-lib ( name macro : deps * ) {
+@@ -22,6 +22,7 @@ rule shell_or_fail ( cmd ) {
+   }
+ }
  
++cxx = [ os.environ "CXX" ] ;
+ cxxflags = [ os.environ "CXXFLAGS" ] ;
+ cflags = [ os.environ "CFLAGS" ] ;
+ ldflags = [ os.environ "LDFLAGS" ] ;
+@@ -148,7 +149,7 @@ rule boost-lib ( name macro : deps * ) {
+ 
  #Argument is e.g. 103600
  rule boost ( min-version ) {
 -  local cmd = "bash -c \"g++ "$(I-boost-include)" -dM -x c++ -E /dev/null -include boost/version.hpp 2>/dev/null |grep '#define BOOST_'\"" ;
-+  local cmd = "bash -c \"CC "$(I-boost-include)" -dM -x c++ -E /dev/null -include boost/version.hpp 2>/dev/null |grep '#define BOOST_'\"" ;
++  local cmd = "bash -c \"$(cxx) "$(I-boost-include)" -dM -x c++ -E /dev/null -include boost/version.hpp 2>/dev/null |grep '#define BOOST_'\"" ;
    local boost-shell = [ SHELL "$(cmd)" : exit-status ] ;
    if $(boost-shell[2]) != 0 && $(CLEANING) = no {
      echo Failed to run "$(cmd)" ;