--- tools/build/src/tools/clang-linux.jam.orig	2017-04-17 02:22:26 UTC
+++ tools/build/src/tools/clang-linux.jam
@@ -31,7 +31,7 @@ generators.override clang-linux.compile.c.pch   : pch.
 generators.override clang-linux.compile.c++.pch : pch.default-cpp-pch-generator ;
  
 type.set-generated-target-suffix PCH
-  : <toolset>clang <toolset-clang:platform>linux : pth ;
+  : <toolset>clang <toolset-clang:platform>linux : pch ;
 
 toolset.inherit-rules clang-linux : gcc ;
 toolset.inherit-flags clang-linux : gcc 
@@ -96,24 +96,24 @@ rule compile.c++ ( targets * : sources * : properties 
   gcc.setup-fpic $(targets) : $(sources) : $(properties) ;
   gcc.setup-address-model $(targets) : $(sources) : $(properties) ;
 
-  local pth-file = [ on $(<) return $(PCH_FILE) ] ;
+  local pch-file = [ on $(<) return $(PCH_FILE) ] ;
 
-  if $(pth-file) {
-    DEPENDS $(<) : $(pth-file) ;
+  if $(pch-file) {
+    DEPENDS $(<) : $(pch-file) ;
     clang-linux.compile.c++.with-pch $(targets) : $(sources) ;
   }
   else {
-    clang-linux.compile.c++.without-pth $(targets) : $(sources) ;
+    clang-linux.compile.c++.without-pch $(targets) : $(sources) ;
   }
 }
 
-actions compile.c++.without-pth {
+actions compile.c++.without-pch {
   "$(CONFIG_COMMAND)" -c -x c++ $(OPTIONS) $(USER_OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -o "$(<)" "$(>)"
 }
 
 actions compile.c++.with-pch bind PCH_FILE
 {
-  "$(CONFIG_COMMAND)" -c -x c++ $(OPTIONS) $(USER_OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -Xclang -include-pth -Xclang "$(PCH_FILE)" -o "$(<)" "$(>)"
+  "$(CONFIG_COMMAND)" -c -x c++ $(OPTIONS) $(USER_OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -Xclang -include-pch -Xclang "$(PCH_FILE)" -o "$(<)" "$(>)"
 }
 
 rule compile.c ( targets * : sources * : properties * )
@@ -122,25 +122,25 @@ rule compile.c ( targets * : sources * : properties * 
   gcc.setup-fpic $(targets) : $(sources) : $(properties) ;
   gcc.setup-address-model $(targets) : $(sources) : $(properties) ;    
 
-  local pth-file = [ on $(<) return $(PCH_FILE) ] ;
+  local pch-file = [ on $(<) return $(PCH_FILE) ] ;
 
-  if $(pth-file) {
-    DEPENDS $(<) : $(pth-file) ;
+  if $(pch-file) {
+    DEPENDS $(<) : $(pch-file) ;
     clang-linux.compile.c.with-pch $(targets) : $(sources) ;
   }
   else {
-    clang-linux.compile.c.without-pth $(targets) : $(sources) ;
+    clang-linux.compile.c.without-pch $(targets) : $(sources) ;
   }
 }
 
-actions compile.c.without-pth
+actions compile.c.without-pch
 {
   "$(CONFIG_COMMAND)" -c -x c $(OPTIONS) $(USER_OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -c -o "$(<)" "$(>)"
 }
 
 actions compile.c.with-pch bind PCH_FILE
 {
-  "$(CONFIG_COMMAND)" -c -x c $(OPTIONS) $(USER_OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -Xclang -include-pth -Xclang "$(PCH_FILE)" -c -o "$(<)" "$(>)"
+  "$(CONFIG_COMMAND)" -c -x c $(OPTIONS) $(USER_OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -Xclang -include-pch -Xclang "$(PCH_FILE)" -c -o "$(<)" "$(>)"
 }
 
 ###############################################################################
@@ -153,7 +153,7 @@ rule compile.c++.pch ( targets * : sources * : propert
 }
 
 actions compile.c++.pch {
-  rm -f "$(<)" && "$(CONFIG_COMMAND)" -c -x c++-header $(OPTIONS) $(USER_OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -Xclang -emit-pth -o "$(<)" "$(>)"
+  rm -f "$(<)" && "$(CONFIG_COMMAND)" -c -x c++-header $(OPTIONS) $(USER_OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -Xclang -emit-pch -o "$(<)" "$(>)"
 }
 
 rule compile.c.pch ( targets * : sources * : properties * ) {
@@ -164,7 +164,7 @@ rule compile.c.pch ( targets * : sources * : propertie
 
 actions compile.c.pch
 {
-  rm -f "$(<)" && "$(CONFIG_COMMAND)" -c -x c-header $(OPTIONS) $(USER_OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -Xclang -emit-pth -o "$(<)" "$(>)"
+  rm -f "$(<)" && "$(CONFIG_COMMAND)" -c -x c-header $(OPTIONS) $(USER_OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -Xclang -emit-pch -o "$(<)" "$(>)"
 }
 
 ###############################################################################