View source for HowTo port from older versions to 13

In Version 1.3 of OpenFOAM some reorganisations of the source code took place. One that is most commonly encountered when a utility is converted from an older version is that stuff that was under the topic <tt>cfdtools</tt> (implicitly saying that when someone says ''CFD'' he means ''finite Volume'') was moved to <tt>finiteVolume</tt>.

So if such a utility is compiled with <tt>wmake</tt> a number of error messages is encountered, the first usually being
 could not open file fvCFD.H for source myVeryPersonalUtility.C

This can be fixed, by going to the source directory of the utility you wish to compile (if you did the <tt>wmake</tt> you're usually already there) and open the file <tt>Make/options</tt>. There replace the lines for <tt>EXE_INC</tt> that are similar to 
 -I$(LIB_SRC)/cfdTools/lnInclude
with lines like
 -I$(LIB_SRC)/finiteVolume/lnInclude
and replace for the link command the lines like
 -lcfdTools
with 
 -lfiniteVolume

[[Category:Tutorials]]