[Rd] xmkmf? problem

[Prof Brian Ripley]

There are two problems here.  The more important one is with your OS, 
which seems not to have its X11 stuff correct, so cc is not being found
(and you cannot set it).  R's configure has no protection against that.

You can investigate that by

blackduck% touch Imakefile
blackduck% xmkmf
imake -DUseInstalled -I/usr/X11R6/lib/X11/config
blackduck% grep CC Makefile
...

which is what R does.  I presume that this will also fail if you compile R 
out-of-the-box with gcc?  If that works and pgcc does not then something 
else in your settings is amiss.

The second is that if you are using a different compiler from that used to 
make X11, you may need to set CPICFLAGS etc.  But we know about pgcc on 
Linux and so these will be set (but not necessarily SHLIB_LDFLAGS: see the 
R-admin manual).

On Thu, 13 Apr 2006, Paul Gilbert wrote:

>
> Brian
>
> Yes cc is empty. Perhaps I should have mentioned that I have set CC=pgcc, to 
> find the new compiler. Should I be setting cc too? Is there a problem if the 
> compiler used for X11 was different?
>
> Thanks,
> Paul
>
> Prof Brian Ripley wrote:
>> On Thu, 13 Apr 2006, Paul Gilbert wrote:
>> 
>>> I am having the  xmkmf  problem below with todays beta, but I also am
>>> trying to use an new (PGI 6.1),  so lots of other things in my setup may
>>> be wrong, and the warning may also be important. Any hints would be
>>> appreciated.
>> 
>> My guess is that this is from
>>
>>   cc=`${srcdir}/tools/GETMAKEVAL CC`
>>   cc=`echo ${cc} | sed "s/ .*//"`
>>   if test "`which ${cc}`" = "`which ${CC}`"; then
>>     shlib_ldflags=`${srcdir}/tools/GETMAKEVAL SHLIBLDFLAGS`
>>     cpicflags=`${srcdir}/tools/GETMAKEVAL PICFLAGS`
>>   fi
>>   cxx=`${srcdir}/tools/GETMAKEVAL CXX`
>>   cxx=`echo ${cxx} | sed "s/ .*//"`
>>   if test "`which ${cxx}`" = "`which ${CXX}`"; then
>>     cxxpicflags=`${srcdir}/tools/GETMAKEVAL CXXPICFLAGS`
>>   fi
>> 
>> in configure and so either your compilers are not set correctly or your 
>> OS's X11 does not find the compilers used to compile it.
>> 
>> I'd start by inserting debugging code in configure at that point to find 
>> out what ${cc} and ${CC} are, with the expectation that one is empty.
>> 
>>> 
>>> Paul
>>> _____
>>> 
>>> Red Hat Enterprise Linux AS release 3 (Taroon Update 7)
>>> ....
>>> checking whether C runtime needs -D__NO_MATH_INLINES... no
>>> checking for xmkmf... /usr/X11R6/bin/xmkmf
>>> Usage: which [options] [--] programname [...]
>>> Options: --version, -[vV] Print version and exit successfully.
>>>         --help,          Print this help and exit successfully.
>>>         --skip-dot       Skip directories in PATH that start with a dot.
>>>         --skip-tilde     Skip directories in PATH that start with a tilde.
>>>         --show-dot       Don't expand a dot to current directory in 
>>> output.
>>>         --show-tilde     Output a tilde for HOME directory for non-root.
>>>         --tty-only       Stop processing options on the right if not on
>>> tty.
>>>         --all, -a        Print all matches in PATH, not just the first
>>>         --read-alias, -i Read list of aliases from stdin.
>>>         --skip-alias     Ignore option --read-alias; don't read stdin.
>>>         --read-functions Read shell functions from stdin.
>>>         --skip-functions Ignore option --read-functions; don't read stdin.
>>> Usage: which [options] [--] programname [...]
>>> Options: --version, -[vV] Print version and exit successfully.
>>>         --help,          Print this help and exit successfully.
>>>         --skip-dot       Skip directories in PATH that start with a dot.
>>>         --skip-tilde     Skip directories in PATH that start with a tilde.
>>>         --show-dot       Don't expand a dot to current directory in 
>>> output.
>>>         --show-tilde     Output a tilde for HOME directory for non-root.
>>>         --tty-only       Stop processing options on the right if not on
>>> tty.
>>>         --all, -a        Print all matches in PATH, not just the first
>>>         --read-alias, -i Read list of aliases from stdin.
>>>         --skip-alias     Ignore option --read-alias; don't read stdin.
>>>         --read-functions Read shell functions from stdin.
>>>         --skip-functions Ignore option --read-functions; don't read stdin.
>>> configure: WARNING: I could not determine SHLIB_LDFLAGS.
>>> configure: error: See the file doc/html/R-admin.html for more information.
>>> ~/toolchain/R/mfa04559/R-beta:
>>> ==================================================================================== 
>>> 
>>> La version française suit le texte anglais.
>>>
>>> 
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>>> 
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>>> 
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>>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>> 
>>> 
>> 
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>
> La version française suit le texte anglais.
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-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595