[R-SIG-Mac] C extension, Makevars ignores PKG_LIBS

[Tyler Pirtle]

I will note that shoving MAKEFLAGS="...." into my env. before R CMD
INSTALL ....
does the right thing, but thats sort of not...ok. ;)

Any help, ideas, etc? Thanks.


Tyler


On Tue, Nov 8, 2011 at 9:21 AM, Tyler Pirtle <teeler at gmail.com> wrote:
> Hi there,
>
> I've got a sample C project I'm trying to get built correctly, but as
> you may have guessed from the subject
> line, the compilation is missing some things.
>
>
> rtp-macbookpro:foo rtp$ R CMD INSTALL --build .
> * installing to library
> ‘/Library/Frameworks/R.framework/Versions/2.14/Resources/library’
> * installing *source* package ‘foo’ ...
> ** Creating default NAMESPACE file
> ** libs
> *** arch - i386
> gcc-4.2 -arch i386 -std=gnu99
> -I/Library/Frameworks/R.framework/Resources/include
> -I/Library/Frameworks/R.framework/Resources/include/i386
> -I/usr/local/include    -fPIC  -g -O2 -c foo.c -o foo.o
> foo.c:1:17: error: some_library.h: No such file or directory
> ...
>
> Where foo.c includes some_library.h.
>
> My makevars:
> PKG_CFLAGS = -I/usr/include/some/library
> PKG_LIBS = -lsomelib -L/usr/local/lib/somelib
>
> As you can see from the gcc args that were constructed, my PKG_*
> definitions are nowhere to be found. I thought it might have been
> a problem with just my setup, but as it turns out I've not been able
> to build _any_ C extensions for R packages on the mac at all.
>
> What am I missing? ;)
> Thanks,
>
>
> Tyler
>