[Rd] Compile issues when building survival package from source

[Joris Meys]

Hi,

I wanted to send a small patch for survival documentation. So I forked,
patched and tried to build locally using R CMD build, but this failed with
errors about undefined references. Upon closer inspection, the undefined
references relate to files that give a warning when compiled through
install.packages("survival", type = "source") on Windows, for example:

D:/Rtools/mingw_32/bin/gcc  -I"D:/R/R-35~1.0/include" -DNDEBUG          -O3
-Wall  -std=gnu99 -mtune=generic -c agfit4.c -o agfit4.o
agfit4.c: In function 'agfit4':
agfit4.c:334:20: warning: 'dtime' may be used uninitialized in this
function [-Wmaybe-uninitialized]
                 if (tstop[p] < dtime) break; /* no more to add */

When I build using R CMD build however, the file agfit4.c is never even
built. That explains the undefined references, but I have no clue what the
difference is between both methods.

I suspected a newer version so I downloaded the source from CRAN manually
and then tried to install locally using

install.packages("E:/GITHUBS/JoFAM/survival_2.42-3.tar.gz", repos = NULL,
type = "source")

This gives me the following error:

Error in rawToChar(block[seq_len(ns)]) :
  embedded nul in string:
'\037‹\b\0¸êÔZ\0\003ì[ûo\033G’ö¯ë¿¢Á_B\036¨±¨‡í(ç\0²¬lŒµœ@’oo±Y,š3M²£yezF\022cøþöûªª»gHÊ\217\003’=\034.B\020‰\217î©®ÇW_Uµ]×ÜÚ[\235?yôûýìãç'

Yet, when using install.packages() to install the source package of
survival, that error doesn't pop up. I've hurt my brains trying to come up
with an explanation, but I can't come up with something that makes sense.

Anyone an idea?

Cheers
Joris
-- 
Joris Meys
Statistical consultant

Department of Data Analysis and Mathematical Modelling
Ghent University
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