diff --git a/historic/jam/doc/bjam.qbk b/historic/jam/doc/bjam.qbk
index 2ca9e81cc..300a1f8c9 100644
--- a/historic/jam/doc/bjam.qbk
+++ b/historic/jam/doc/bjam.qbk
@@ -1,6 +1,6 @@
 [article Boost.Jam
     [quickbook 1.3]
-    [version: 3.1.18]
+    [version: 3.1.19]
     [authors [Rivera, Rene], [Abrahams, David], [Prus, Vladimir]]
     [copyright 2003 2004 2005 2006 2007 Rene Rivera, David Abrahams, Vladimir Prus]
     [category tool-build]
@@ -21,7 +21,7 @@
 
 [/ Shortcuts ]
 
-[def :version: 3.1.18]
+[def :version: 3.1.19]
 
 [/ Images ]
 
diff --git a/historic/jam/src/boost-jam.spec b/historic/jam/src/boost-jam.spec
index b3e49886a..bc572fc96 100644
--- a/historic/jam/src/boost-jam.spec
+++ b/historic/jam/src/boost-jam.spec
@@ -1,5 +1,5 @@
 Name: boost-jam
-Version: 3.1.18
+Version: 3.1.19
 Summary: Build tool
 Release: 1
 Source: %{name}-%{version}.tgz
diff --git a/historic/jam/src/build.jam b/historic/jam/src/build.jam
index 89cf558b9..432197cc2 100644
--- a/historic/jam/src/build.jam
+++ b/historic/jam/src/build.jam
@@ -27,7 +27,7 @@ else { . = "." ; }
 ./ ?= "" ;
 
 # Info about what we are building.
-_VERSION_ = 3 1 18 ;
+_VERSION_ = 3 1 19 ;
 NAME = boost-jam ;
 VERSION = $(_VERSION_:J=$(.)) ;
 RELEASE = 1 ;
diff --git a/historic/jam/src/builtins.c b/historic/jam/src/builtins.c
index 4f94edc3a..83bb1a2c4 100644
--- a/historic/jam/src/builtins.c
+++ b/historic/jam/src/builtins.c
@@ -1293,6 +1293,7 @@ LIST * builtin_update( PARSE * parse, FRAME * frame )
 }
 
 extern int anyhow;
+int last_update_now_status;
 
 /* Takes a list of target names as first argument, and immediately
    updates them.
@@ -1355,6 +1356,8 @@ LIST * builtin_update_now( PARSE * parse, FRAME * frame )
         close (original_stdout);
         close (original_stderr);
     }
+
+    last_update_now_status = status;
 	
     if (status == 0)
         return list_new (L0, newstr ("ok"));
diff --git a/historic/jam/src/builtins.h b/historic/jam/src/builtins.h
index 1edaab738..8ecc6616a 100644
--- a/historic/jam/src/builtins.h
+++ b/historic/jam/src/builtins.h
@@ -62,5 +62,6 @@ LIST *builtin_pad( PARSE *parse, FRAME *frame );
 LIST *builtin_precious( PARSE *parse, FRAME *frame );
 
 void backtrace( FRAME *frame );
+extern int last_update_now_status;
 
 #endif
diff --git a/historic/jam/src/execunix.c b/historic/jam/src/execunix.c
index 90736baf4..effd27138 100644
--- a/historic/jam/src/execunix.c
+++ b/historic/jam/src/execunix.c
@@ -190,13 +190,9 @@ void exec_cmd
     {
         if ( pipe( out ) < 0 )
             exit( EXITBAD );
-        fcntl( out[0], F_SETFL, O_NONBLOCK );
-        fcntl( out[1], F_SETFL, O_NONBLOCK );
 
         if ( pipe( err ) < 0 )
             exit( EXITBAD );
-        fcntl( err[0], F_SETFL, O_NONBLOCK );
-        fcntl( err[1], F_SETFL, O_NONBLOCK );
     }
 
     /* Start the command */
diff --git a/historic/jam/src/jam.c b/historic/jam/src/jam.c
index b10974e08..2d06316e6 100644
--- a/historic/jam/src/jam.c
+++ b/historic/jam/src/jam.c
@@ -529,6 +529,10 @@ int main( int argc, char * * argv, char * * arg_environ )
                 status |= make( targets_count, targets2, anyhow );
                 free( targets );
             }
+            else
+            {
+                status = last_update_now_status;
+            }
 
             PROFILE_EXIT( MAIN_MAKE );
         }
diff --git a/historic/jam/src/patchlevel.h b/historic/jam/src/patchlevel.h
index 2b2043a3c..5d5979057 100644
--- a/historic/jam/src/patchlevel.h
+++ b/historic/jam/src/patchlevel.h
@@ -9,9 +9,9 @@
 
 #define VERSION_MAJOR 3
 #define VERSION_MINOR 1
-#define VERSION_PATCH 18
+#define VERSION_PATCH 19
 #define VERSION_MAJOR_SYM "03"
 #define VERSION_MINOR_SYM "1"
-#define VERSION_PATCH_SYM "18"
-#define VERSION "3.1.18"
+#define VERSION_PATCH_SYM "19"
+#define VERSION "3.1.19"
 #define JAMVERSYM "JAMVERSION=3.1"