vecLib and building R from source

On 31 Aug 2005, at 20:33, Simon Urbanek wrote:

On Aug 31, 2005, at 9:54 PM, Kjell Konis wrote:

On 31 Aug 2005, at 18:21, Simon Urbanek wrote:

Here is my environment:
CPPFLAGS="-I/Volumes/muffin/DarwinPorts/include"
LDFLAGS="-L/Volumes/muffin/DarwinPorts/lib"
F77=g77-dp-3.4
CC=gcc-dp-3.4

What is that?!? That's not an Apple compiler and it's broken as you
can see from the config.log:

It's the GNU C compiler version 3.3.4.

configure:32439: gcc-dp-3.4 -o conftest -g -O2  -I/Volumes/muffin/
DarwinPorts/include -L/Volumes/muffin/DarwinPorts/lib conftest.c -
framework vecLib  -lg2c -lgcc_s -lSystemStubs -lSystem -lcc_dynamic
-lm  >&5
gcc-dp-3.4: vecLib: No such file or directory
cc1: error: unrecognized command line option "-framework"

This just means it doesn't support -framework.  This is actually the
answer to my original question.  Apparently -framework is supported
in stock gcc 4.x.

mmh, gcc 3.3.x from Apple supports -framework and it is documented in  
the gcc man pages. (If I remember well, this is also supported on  
some Win32 version of gcc)

You should definitely use Apple's compiler, stock GNU gcc is NOT
the same as Apple, because there are many features that Apple folks
have added. You should check out the Apple branch from GNU.

It might not be such a good idea to be too dependent on Apple's gcc.
There are compilers from IBM and Intel that people may at some time
be interested in using.

in this case, you need to bypass configure by specifying --with- 
blas=path_to_your_blas_lib
  so gcc won't try to use the -framework flag.
This is of course the same you do on other unices.
You should also want to remove from the configure flags the options  
to build R as a framework and just set --enable-shlib

In the end, given that you are using gcc-dp (darwin ports?) you  
should also run make check after building R to assess the reliability  
of your build.

Please, let us know your progresses here, we can put notes on the R  
for OS X FAQ.
I understand your idea of a "pure" darwin (i.e.not necessarily aqua &  
core foundation based) build, but I strongly believe that a "out-of- 
the-box" configure and build on OS X must rely on apple's tools as  
well on open source tools as much as possible (and IBM compilers  
aren't for free at the moment)

stefano

Kjell

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vecLib and building R from source

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