4 files changed, 138 insertions, 0 deletions
diff --git a/doc/user/caching.in b/doc/user/caching.in
index 015407b..8dfa731 100644
--- a/doc/user/caching.in
+++ b/doc/user/caching.in
@@ -430,6 +430,31 @@
 
     </para>
 
+    <para>
+
+    If you want to make sure dependencies will be built
+    in a random order without having to specify
+    the <literal>--random</literal> on very command line,
+    you can use the &SetOption; function to
+    set the <literal>random</litera> option
+    within any &SConscript; file:
+
+    </para>
+
+    <scons_example name="ex-random">
+       <file name="SConstruct" printme="1">
+       SetOption('random', 1)
+       Program('prog',
+               ['f1.c', 'f2.c', 'f3.c', 'f4.c', 'f5.c'])
+       </file>
+       <file name="f1.c">f1.c</file>
+       <file name="f2.c">f2.c</file>
+       <file name="f3.c">f3.c</file>
+       <file name="f4.c">f4.c</file>
+       <file name="f5.c">f5.c</file>
+       <file name="f6.c">f6.c</file>
+    </scons_example>
+
   </section>
 
   <!--
diff --git a/doc/user/libraries.in b/doc/user/libraries.in
index e5368d1..9a12062 100644
--- a/doc/user/libraries.in
+++ b/doc/user/libraries.in
@@ -94,6 +94,66 @@
     </para>
 
     <section>
+    <title>Building Libraries From Source Code or Object Files</title>
+
+      <para>
+
+      The previous example shows building a library from a
+      list of source files.
+      You can, however, also give the &b-link-Library; call
+      object files,
+      and it will correctly realize
+      In fact, you can arbitrarily mix source code files
+      and object files in the source list:
+
+      </para>
+
+      <para>
+
+      <scons_example name="objects" printme="1">
+        <file name="SConstruct" printme="1">
+        Library('foo', ['f1.c', 'f2.o', 'f3.c', 'f4.o'])
+        </file>
+        <file name="f1.c">
+        void f1() { printf("f1.c\n"); }
+        </file>
+        <file name="f2.o">
+        object file
+        </file>
+        <file name="f3.c">
+        void f3() { printf("f3.c\n"); }
+        </file>
+        <file name="f4.o">
+        object file
+        </file>
+      </scons_example>
+
+      <para>
+
+      And SCons realizes that only the source code files
+      must be compiled into object files
+      before creating the final library:
+
+      </para>
+
+      <scons_output example="objects" os="posix">
+        <scons_output_command>scons -Q</scons_output_command>
+      </scons_output>
+
+      <para>
+
+      Of course, in this example, the object files
+      must already exist for the build to succeed.
+      See <xref linkend="chap-nodes">, below,
+      for information about how you can
+      build object files explicitly
+      and include the built files in a library.
+
+      </para>
+
+    </section>
+
+    <section>
     <title>Building Static Libraries Explicitly:  the &b-StaticLibrary; Builder</title>
 
       <para>
diff --git a/doc/user/libraries.sgml b/doc/user/libraries.sgml
index ca2cb97..96814a7 100644
--- a/doc/user/libraries.sgml
+++ b/doc/user/libraries.sgml
@@ -92,6 +92,56 @@
     </para>
 
     <section>
+    <title>Building Libraries From Source Code or Object Files</title>
+
+      <para>
+
+      The previous example shows building a library from a
+      list of source files.
+      You can, however, also give the &b-link-Library; call
+      object files,
+      and it will correctly realize
+      In fact, you can arbitrarily mix source code files
+      and object files in the source list:
+
+      </para>
+
+      <para>
+
+      <programlisting>
+        Library('foo', ['f1.c', 'f2.o', 'f3.c', 'f4.o'])
+      </programlisting>
+
+      <para>
+
+      And SCons realizes that only the source code files
+      must be compiled into object files
+      before creating the final library:
+
+      </para>
+
+      <screen>
+        % <userinput>scons -Q</userinput>
+        cc -o f1.o -c f1.c
+        cc -o f3.o -c f3.c
+        ar rc libfoo.a f1.o f2.o f3.o f4.o
+        ranlib libfoo.a
+      </screen>
+
+      <para>
+
+      Of course, in this example, the object files
+      must already exist for the build to succeed.
+      See <xref linkend="chap-nodes">, below,
+      for information about how you can
+      build object files explicitly
+      and include the built files in a library.
+
+      </para>
+
+    </section>
+
+    <section>
     <title>Building Static Libraries Explicitly:  the &b-StaticLibrary; Builder</title>
 
       <para>
diff --git a/doc/user/main.in b/doc/user/main.in
index d864350..aaddb2a 100644
--- a/doc/user/main.in
+++ b/doc/user/main.in
@@ -117,6 +117,9 @@
   XXX SetOption('duplicate')
   XXX - - duplicate=
 
+  XXX GetOption('help')
+  XXX SetOption('help')
+
   XXX GetOption('num_jobs')
   XXX SetOption('num_jobs')