[R-SIG-Mac] R 3.0.1 build from sources: Wrong library paths

Simon Zehnder szehnder at uni-bonn.de
Thu Sep 12 10:49:53 CEST 2013

I did some progress on my problem: 

Using LDFLAGS and CPPFLAGS on the shell instead of in the config.site file changes the directories and make can find all the libraries. 

The next thing that came up, was the Mac-specific Cocoa issue. When I compile R sources with OBJC="gcc -arch x86_64" I get the following outputs: 

config.log: https://gist.github.com/anonymous/6534550

make.log: https://gist.github.com/anonymous/6534560

with errors starting in line 883 of the make.log. So it seems the gcc cannot handle the .m files properly. 

Then I used OBJC="clang" and I get the following output:

config.log: https://gist.github.com/anonymous/6534614

make.log: https://gist.github.com/anonymous/6534606

Here I get (see line 879 in the make.log) some weird warning. I know these are only warnings, they do not influence the way R works later on, but I am interested why gcc cannot handle the Cocoa files at all and clang has these warnings.



 On Sep 11, 2013, at 11:08 PM, Simon Zehnder <szehnder at uni-bonn.de> wrote:

> Dear R-Users and R-Devels,
> I made a brand new install of Mac OS X Mountain Lion 10.8.4 on a new hard drive and want to build R from sources. As I use OpenMP 3.1 in my C++ extensions I used MacPorts to get the gcc48 compiler collection. Installation run without a hassle and I set the mp-gcc48 active. 
> I downloaded the R-3.0.1 tar.gz and extracted it. Then I changed the config.site to the following:
> https://gist.github.com/anonymous/6529767
> Furthermore I had to change my PATH variable in the .profile as it included /usr/local/bin:/usr/local/sbin and I have not such a folder in my /usr. 
> Now when I run configure I get the following config.log
> https://gist.github.com/anonymous/6529743
> with the warning:  "ld: warning: directory not found for option '-L/usr/local/lib' "on line 217. This warning becomes an error if running the make command. I still see the C linker using -L/usr/local/lib which does not exist. I changed the LDFLAGS in the config.site to -L/opt/local/lib but Rs configure script seems to be very resistant to my new proposal. 
> I need some help. How should I proceed? Which FLAGS can change the directory the make script searches for libraries? What configure options should be used with R-3.0.1 on OS X 10.8.4 using gcc-4.8.1?    
> Best
> Simon
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