[Rd] cleanup_pkg() in tools:::.build_packages() is broken

[Hervé Pagès]

Hi,

The cleanup_pkg() function defined the big tools:::.build_packages() 
function in tools/R/build.R is currently broken. When Makefiles are
used cleanup_pkg() doesn't clean anything because of the way system2()
is called.

For example, the call to Ssystem() on line 304 (Ssystem is a silent
version of system2) is basically trying to do this:

   > system2(paste(Sys.getenv("MAKE", "make"), makefiles, "clean"))
   sh: make -f '/home/hpages/R-2.12/etc//Makeconf' -f Makefile clean: 
not found

But it seems that with this new system2(), the arguments to the system
command need to be passed separately thru the 'args' argument.

Cheers,
H.

-- 
Hervé Pagès

Program in Computational Biology
Division of Public Health Sciences
Fred Hutchinson Cancer Research Center
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P.O. Box 19024
Seattle, WA 98109-1024

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