[Rd] R build fails during make when configured with "--with-x=no" (PR#13665)

Peter Dalgaard P.Dalgaard at biostat.ku.dk
Mon Apr 20 12:58:34 CEST 2009

jeet at ku.edu wrote:

> If R is configured using the "--with=x=no" option, then the make fails with the
> following error:
> make[1]: *** [R] Error 1
> make[1]: Leaving directory `/home/jeet/Scratch/r-build/on-frontend/R-2.9.0/src'
> make: *** [R] Error 1
> The problem appears to be with the "src/modules/Makefile". Specfically, lines
> 26-29:
> 	@for d in "$(R_MODULES)"; do \
> 	  (cd $${d} && $(MAKE) $@) || exit 1; \
> 	done
> Here, R_MODULES is blank, resulting in the "cd" command transferring to the
> user's home directory, where, of course, no Makefile is found resulting in the
> error above.

(Even more "fun" would ensue if in fact there were a Makefile there...)

> Work-around appears to be to simply disable loop if R_MODULES is empty.

Shell script and Make portability is a pain in the derriere, but
offhand, those double quotes just look wrong:

viggo:~/>for i in "" ; do echo $i; done

viggo:~/>for i in  ; do echo $i; done
viggo:~/>for i in "foo bar" ; do echo $i; done
foo bar
viggo:~/>for i in foo bar ; do echo $i; done

Notice that the versions with quotes invariably do the Wrong Thing....

   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark      Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)              FAX: (+45) 35327907

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