Merge remote-tracking branch 'bfgroup.b2/release' into develop

doc/src/history.adoc

@@ -1,6 +1,11 @@
 [[b2.history]]
 = History
 
+== Version 5.5.3
+
+* Fix regression when using ccache with clang-linux toolset.
+  -- _Alexander Grund_
+
 == Version 5.5.2
 
 * Fix invalid use of system `ar` when cross-compiling with llvm on Linux instead

src/build/version.jam

@@ -10,7 +10,7 @@ import numbers ;
 # Mirror engine JAM_VERSION
 .major = 5 ;
 .minor = 5 ;
-.patch = 2 ;
+.patch = 3 ;
 
 
 rule build ( )

src/engine/patchlevel.h

@@ -14,4 +14,4 @@ https://www.bfgroup.xyz/b2/LICENSE.txt)
 
 #define VERSION_MAJOR 5
 #define VERSION_MINOR 5
-#define VERSION_PATCH 2
+#define VERSION_PATCH 3

src/tools/clang-linux.jam

@@ -110,7 +110,7 @@ rule init ( version ? :  command * : options * ) {
     }
   if ! $(archiver)
     {
-    local bin = [ common.get-absolute-tool-path $(command) ] ;
+    local bin = [ common.get-absolute-tool-path $(command[-1]) ] ;
     archiver = [ common.get-invocation-command-nodefault clang-linux : llvm-ar : : $(bin) : search-path ] ;
     }
   toolset.flags clang-linux.archive .AR $(condition) : $(archiver[1]) ;

test/toolset-mock/project-config.jam

@@ -27,6 +27,8 @@ using darwin : 4.2.1 : $(PYTHON) $(here)/src/darwin-4.2.1.py
 
 using clang-darwin  : 3.9.0 : $(PYTHON) $(here)/src/clang-3.9.0-darwin.py : $(ar) ;
 using clang-linux   : 3.9.0 : $(PYTHON) $(here)/src/clang-linux-3.9.0.py : $(ar) ;
+# Let clang-linux auto-deduce the archiver
+using clang-linux   : 3.9.1 : $(PYTHON) $(here)/src/clang-linux-3.9.0.py ;
 using clang-vxworks : 4.0.1 : $(PYTHON) $(here)/src/clang-vxworks-4.0.1.py : $(ar) ;
 using intel-darwin  : 10.2  : $(PYTHON) $(here)/src/intel-darwin-10.2.py : $(ar) ;
 

test/toolset_clang_linux.py

@@ -27,3 +27,6 @@ test_toolset("clang-linux", "3.9.0", [
     ["target-os=windows", "link=static"],
     ["target-os=windows", "architecture=x86", "address-model=32"]
     ])
+
+# Auto-deduced ar
+test_toolset("clang-linux", "3.9.1", [["target-os=linux"]])