[R] Compiling 1.2.1 to Windows binary [SUMMARY]

[Marc R. Feldesman]

Thanks to Brian Ripley and Peter Dalgaard for suggestions that led to *a* 
resolution of the problem compiling R 1.2.1 to a Windows binary.

The basic problem revolved around the inability of the makefile to locate 
the hhc.exe file from the Microsoft HTML Help Workshop.  Although the 
location was completely clear in the path statement at the NT level and 
from within the cygwin shell, it couldn't be located during the 
make.  Brian suggested moving hhc.exe to the Rtools directory, which 
partially solved the problem.  It permitted the .chtml files to be 
produced, but spawned a series of JScript errors along the way.

The crucial resolution lay in an offhand suggestion that Brian made (and 
which Peter hinted at) about other elements being on the same logical drive 
with HTML Help Workshop.  As it turned out, I placed HTML Help Workshop on 
my logical E: drive, while all the other elements needed to make R were 
located on the logical F: drive.  Again, even though the paths were quite 
clear in the shell, placing the different components on different logical 
drives is too confusing in the cygwin environment.  When I uninstalled HTML 
Help Workshop from the E: drive, rebooted and reinstalled it to the F: 
drive, the make proceeded without error.

I don't know whether this should be part of the instructions for building R 
from source or not, but it certainly does appear that everything needs to 
reside on the same logical drive.

Thanks again to Brian and Peter for their helpful suggestions.

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