--- loncom/build/readme.html	2001/01/17 11:20:32	1.7
+++ loncom/build/readme.html	2001/01/17 12:00:49	1.9
@@ -45,7 +45,7 @@
 <FONT COLOR="#008800">
 <PRE>
 cd loncom/build
-rm -Rf HTML
+rm -Rf HTML <I>(or alternatively, "make clean")</I>
 make HTML
 cd HTML
 <I>(look at the index.html file with a web browser such as Netscape)</I>
@@ -73,6 +73,76 @@ file does.
 </P>
 <LI><A NAME="makebuild">
     <H2>Compiling the software (make build)</H2>
+<STRONG>Commands</STRONG>
+<FONT COLOR="#008800">
+<PRE>
+cd loncom/build
+make build
+</PRE>
+</FONT>
+<STRONG>General description of what happens</STRONG>
+<P>
+This is the actual make target code.
+<FONT COLOR="#880000">
+<PRE>
+<!-- LONCAPA MAKETARGET=HTML START -->
+build:
+        perl parse.pl ../../doc/loncapafiles/loncapafiles.html build > Makefile.build
+        make -f Makefile.build all
+<!-- LONCAPA MAKETARGET=HTML END -->
+</PRE>
+</FONT>
+<TT>loncom/build/parse.pl</TT> reads in all the build information out
+of <TT>doc/loncapafiles/loncapafiles.html.  A new Makefile named
+<TT>loncom/build/Makefile.build</TT> is dynamically constructed.
+This dynamically generated Makefile is then run to build/compile
+all the software targets from source.  This currently takes 10 minutes
+(depends on the speed of the machine you compile with).
+</P>
+<STRONG>Example</STRONG>
+<P>
+Here is information for one file <TT>tth.so</TT> provided in
+<TT>doc/loncapafiles/loncapafiles.html</TT>.
+<FONT COLOR="#330066">
+<PRE>
+<BR>&lt;METAGROUP&gt;
+<BR>&lt;LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/modules/TexConvert/tthperl/tth.so" TARGET="usr/lib/perl5/site_perl/5.005/tth.so" CATEGORY="system file"&gt;
+<BR>&lt;DESCRIPTION&gt;
+<BR>shared library file for dynamic loading and unloading of TeX-to-HTML functionality
+<BR>&lt;/DESCRIPTION&gt;
+<BR>&lt;BUILD&gt;
+<BR>loncom/modules/TexConvert/tthperl/commands
+<BR>&lt;/BUILD&gt;
+<BR>&lt;DEPENDENCIES&gt;
+<BR>../tthdynamic/tthfunc.c
+<BR>../ttmdynamic/ttmfunc.c
+<BR>&lt;/DEPENDENCIES&gt;
+</PRE>
+</FONT>
+<TT>loncom/build/parse.pl</TT> sees the <B>BUILD</B> tags and sets up
+a dynamic file <TT>Makefile.build</TT> to run the command inside the
+<B>BUILD</B> tags (currently, <B>DEPENDENCIES</B> is not used for anything
+besides documentation).
+</P>
+<P>
+Here is an example of a dynamically generated <TT>Makefile.build</TT>
+that builds two LON-CAPA files (one of which is <TT>tth.so</TT>.
+<FONT COLOR="#330066">
+<PRE>
+all: ../homework/caparesponse/capa.so ../modules/TexConvert/tthperl/tth.so 
+
+../homework/caparesponse/capa.so:  ../homework/caparesponse/caparesponse.c ../ho
+mework/caparesponse/caparesponse.pm alwaysrun
+        cd ../homework/caparesponse/; sh ./commands
+
+../modules/TexConvert/tthperl/tth.so:  ../modules/TexConvert/tthperl/../tthdynam
+ic/tthfunc.c ../modules/TexConvert/tthperl/../ttmdynamic/ttmfunc.c
+        cd ../modules/TexConvert/tthperl/; sh ./commands
+
+alwaysrun:
+</PRE>
+</FONT>
+</P>
 <LI><A NAME="loncapafiles">
     <H2>Adding/removing files from the LON-CAPA installation (doc/loncapafiles/loncapafiles.html)</H2>
 <LI><A NAME="configversusnonconfig">