More detailedoad sequence.mo

[SVN r13398]

doc/boost-build.jam

@@ -3,16 +3,40 @@
 #  all copies. This software is provided "as is" without express or implied
 #  warranty, and with no claim as to its suitability for any purpose.
 
-# Bootstrap the module system
+# Bootstrap the doc system. doing this first makes it possible to document
+# in all the modules. And import the basic doc rules, to make them easily
+# available.
+#
+SEARCH on <module@>doc.jam = $(BOOST_BUILD_PATH) ;
+module doc { include <module@>doc.jam ; }
+IMPORT doc
+    : document-module document-rule document-variable :
+    : document-module document-rule document-variable ;
+
+# Bootstrap the module system. And bring the import rule into the global module.
+#
 SEARCH on <module@>modules.jam = $(BOOST_BUILD_PATH) ;
 module modules { include <module@>modules.jam ; }
-# Bring the import rule into the global module
 IMPORT modules : import : : import ;
-import modules ; # The modules module can tolerate being included twice
 
-# Load the doc system.
-import doc : document-module document-rule document-variable ;
+# Re-load the doc system, to clean up things. Both doc and modules
+# can handle getting included twice.
+#
+import doc ;
+
+# Reload the modules, to clean up things. The modules module can tolerate
+# being included twice.
+#
+import modules ;
+
+# Check to see if the user is asking for help as soon as possible.
+# This is first action, so that we can interrupt the regular build
+# process if they are asking for help.
+#
+doc.do-help ;
 
 import build-system ;
 
-doc.do-help ;
+# Load the first Jamfile, and build it.
+#
+build-system.construct [ build-system.load-jamfile [ PWD ] ] ;