From 7f2e9731876dcf116a5e2afcac791697217ed75e Mon Sep 17 00:00:00 2001
From: Rene Rivera <grafikrobot@gmail.com>
Date: Fri, 14 Apr 2006 20:12:11 +0000
Subject: [PATCH] [merge from head] Fix RC tool to fallback to the null rc type
 when a real one can't be found.

[SVN r33700]
---
 v2/tools/gcc.jam | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/v2/tools/gcc.jam b/v2/tools/gcc.jam
index 824e79443..41a0e1d0f 100644
--- a/v2/tools/gcc.jam
+++ b/v2/tools/gcc.jam
@@ -105,7 +105,7 @@ rule init ( version ? : command * : options * )
     #~ - The archive builder.
     local archiver =
         [ common.get-invocation-command gcc
-            : ar : [ feature.get-values <archiver> : $(options) ] : $(bin) : PATH ] ;
+            : ar : [ feature.get-values <archiver> : $(options) ] : $(bin) : search-path ] ;
     flags gcc.archive .AR $(condition) : $(archiver[1]) ;
     if $(.debug-configuration)
     {
@@ -115,10 +115,21 @@ rule init ( version ? : command * : options * )
     #~ - The resource compiler.
     local rc =
         [ common.get-invocation-command gcc
-            : windres : [ feature.get-values <rc> : $(options) ] : $(bin) : PATH ] ;
+            : windres : [ feature.get-values <rc> : $(options) ] : $(bin) : search-path ] ;
     local rc-type =
         [ feature.get-values <rc-type> : $(options) ] ;
     rc-type ?= windres ;
+    if ! $(rc)
+    {
+        #~ If we can't find an RC compiler we fallback to a null RC compiler
+        #~ that creates empty object files. This allows the same Jamfiles
+        #~ to work across the board. The null RC uses the assembler to create
+        #~ the empty objects, so configure that.
+        local rc =
+            [ common.get-invocation-command gcc
+                : as : : $(bin) : search-path ] ;
+        rc-type = null ;
+    }
     rc.configure $(rc) : $(condition) : <rc-type>$(rc-type) ;
 }