1 files changed, 15 insertions, 5 deletions
diff --git a/jam-files/sanity.jam b/jam-files/sanity.jam
index 9c75c247..957f4f43 100644
--- a/jam-files/sanity.jam
+++ b/jam-files/sanity.jam
@@ -74,6 +74,7 @@ if $(with-macports) {
 }
 else {
   with-boost = [ option.get "with-boost" ] ;
+  with-boost ?= [ os.environ "BOOST_ROOT" ] ;
   if $(with-boost) {
     L-boost-search = -L$(with-boost)/lib" "-L$(with-boost)/lib64 ;
     boost-search = <search>$(with-boost)/lib <search>$(with-boost)/lib64 ;
@@ -86,6 +87,8 @@ else {
     boost-include = ;
   }
 }
+
+requirements = ;
  
 #Are we linking static binaries against shared boost?
 boost-auto-shared = [ auto-shared "boost_program_options" : $(L-boost-search) ] ;
@@ -95,8 +98,15 @@ rule boost-lib ( name macro ) {
   #versions of boost do not have -mt tagged versions of all libraries.   Sadly,
   #boost.jam does not handle this correctly.  
   if [ test_flags $(L-boost-search)" -lboost_"$(name)"-mt" ] {
-    lib inner_boost_$(name) : : <threading>single $(boost-search) <name>boost_$(name) ;
-    lib inner_boost_$(name) : : <threading>multi $(boost-search) <name>boost_$(name)-mt ;
+#    if [ test_flags $(L-boost-search)" -lboost_"$(name) ] {
+#      lib inner_boost_$(name) : : <threading>single $(boost-search) <name>boost_$(name) ;
+#      lib inner_boost_$(name) : : <threading>multi $(boost-search) <name>boost_$(name)-mt ;
+#    } else {
+      if ! <threading>multi in $(requirements) {
+        requirements += <threading>multi ;
+      }
+      lib inner_boost_$(name) : : <threading>multi $(boost-search) <name>boost_$(name)-mt ;
+#    }
   } else {
     lib inner_boost_$(name) : : $(boost-search) <name>boost_$(name) ;
   }
@@ -148,7 +158,6 @@ rule external-lib ( name : search-path * ) {
   local ignored = @($(build-log):E=$(script)) ;
 }
 
-requirements = ;
 {
   #Boost jam's static clang is buggy.  
   requirements += <cxxflags>$(cxxflags) <cflags>$(cflags) <linkflags>$(ldflags) <toolset>clang:<link>shared ;
@@ -173,9 +182,10 @@ if $(prefix) {
 } else {
   prefix = $(TOP)/dist$(GITTAG) ;
 }
+
+bindir = [ option.get "bindir" : $(prefix)/bin ] ;
+libdir = [ option.get "libdir" : $(prefix)/lib ] ;
 rule install-bin-libs ( deps * ) {
-  local bindir = [ option.get "bindir" : $(prefix)/bin ] ;
-  local libdir = [ option.get "libdir" : $(prefix)/lib ] ;
   install prefix-bin : $(deps) : <location>$(bindir) <install-dependencies>on <install-type>EXE <link>shared:<dll-path>$(libdir) ;
   install prefix-lib : $(deps) : <location>$(libdir) <install-dependencies>on <install-type>LIB <link>shared:<dll-path>$(libdir) ;
 }