Initial modular patch, from Bjorn.

[SVN r85884]

1 files changed, 25 insertions, 1 deletions

diff --git a/Jamroot b/Jamroot
index fbe952a763..e7fa9f7a01 100644
--- a/Jamroot
+++ b/Jamroot
@@ -128,6 +128,7 @@ import sequence ;
 import xsltproc ;
 import set ;
 import path ;
+import link ;
 
 path-constant BOOST_ROOT : . ;
 constant BOOST_VERSION : 1.55.0 ;
@@ -135,6 +136,29 @@ constant BOOST_JAMROOT_MODULE : $(__name__) ;
 
 boostcpp.set-version $(BOOST_VERSION) ;
 
+	
+local all-headers =
+    [ MATCH .*libs/(.*)/include/boost : [ glob libs/*/include/boost ] ] ;
+
+for dir in $(all-headers)
+{
+    link-directory $(dir)-headers : libs/$(dir)/include/boost : <location>. ;
+}
+
+local numeric-headers =
+   [ MATCH .*libs/numeric/(.*)/include/boost : [ glob libs/*/*/include/boost ] ] ;
+
+for dir in $(numeric-headers)
+{
+    link-directory numeric-$(dir)-headers : libs/numeric/$(dir)/include/boost : <location>. ;
+}
+
+BOOST_MODULARLAYOUT = $(all-headers) $(numeric-headers) ;
+if $(BOOST_MODULARLAYOUT)
+{
+    echo modularized layout build ;
+}
+
 project boost
     : requirements <include>.
       # Disable auto-linking for all targets here, primarily because it caused
@@ -210,7 +234,7 @@ for local l in $(all-libraries)
     }
 }
 
-alias headers : : : : <include>. ;
+alias headers : $(all-headers)-headers numeric-$(numeric-headers)-headers : : : <include>.  ;
 explicit headers ;
 
 # Make project ids of all libraries known.