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OS: Mac OS X Snow Leopard (10.6.6)
Arch: i386
Platform: i686-apple-darwin10
R version: 2.13.0 Under development (unstable) (2011-03-06 r54683)

C compiler

R variable (VAR)Value ('R CMD config <VAR>' output)
CCgcc -arch i386 -std=gnu99
CFLAGS-g -O2 -Wall -pedantic
CPICFLAGS-fPIC
CPPgcc -arch i386 -std=gnu99 -E
Please refer to 'R CMD config -h' for the meaning of these variables

Compiler version ('gcc -arch i386 -std=gnu99 --version' output):

i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5664)
Copyright (C) 2007 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


C++ compiler

R variable (VAR)Value ('R CMD config <VAR>' output)
CXXg++ -arch i386
CXXFLAGS-g -O2 -Wall -fasm-blocks
CXXPICFLAGS-fPIC
CXXCPPg++ -arch i386 -E
Please refer to 'R CMD config -h' for the meaning of these variables

Compiler version ('g++ -arch i386 --version' output):

i686-apple-darwin10-g++-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5664)
Copyright (C) 2007 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


Fortran 77 compiler

R variable (VAR)Value ('R CMD config <VAR>' output)
F77gfortran -arch i386
FFLAGS-g -O2 -Wall -pedantic
FLIBS-lgfortran
FPICFLAGS-fPIC
Please refer to 'R CMD config -h' for the meaning of these variables

Compiler version ('gfortran -arch i386 --version' output):

GNU Fortran (GCC) 4.2.1 (Apple Inc. build 5646)
Copyright (C) 2007 Free Software Foundation, Inc.

GNU Fortran comes with NO WARRANTY, to the extent permitted by law.
You may redistribute copies of GNU Fortran
under the terms of the GNU General Public License.
For more information about these matters, see the file named COPYING


Fortran 9x compiler

R variable (VAR)Value ('R CMD config <VAR>' output)
FCgfortran -arch i386
FCFLAGS-g -O2
FCPICFLAGS-fno-common
Please refer to 'R CMD config -h' for the meaning of these variables

Compiler version ('gfortran -arch i386 --version' output):

GNU Fortran (GCC) 4.2.1 (Apple Inc. build 5646)
Copyright (C) 2007 Free Software Foundation, Inc.

GNU Fortran comes with NO WARRANTY, to the extent permitted by law.
You may redistribute copies of GNU Fortran
under the terms of the GNU General Public License.
For more information about these matters, see the file named COPYING


More information might be added in the future...