Revision: 523
http://rpy.svn.sourceforge.net/rpy/?rev=523&view=rev
Author: warnes
Date: 2008-05-14 11:31:21 -0700 (Wed, 14 May 2008)
Log Message:
-----------
Use the 'R CMD config LAPACK_LIBS' command to determin the appropriate link
flags for lapack, instead of blindly assuming that '-L<RHOME>/lib -lRlapack' is
the correct magic incantation.
Modified Paths:
--------------
trunk/rpy/rpy_tools.py
trunk/rpy/setup.py
Modified: trunk/rpy/rpy_tools.py
===================================================================
--- trunk/rpy/rpy_tools.py 2008-05-14 17:51:40 UTC (rev 522)
+++ trunk/rpy/rpy_tools.py 2008-05-14 18:31:21 UTC (rev 523)
@@ -143,3 +143,20 @@
% PYTHON_DIR )
return PYTHON_DIR
+
+def get_R_LAPACK_LIB_FLAGS(RHOME=get_R_HOME()):
+ """
+ Determine the necessary link arguments for lapack
+ """
+ rexec = os.path.join(RHOME, 'bin', 'R')
+ stat, output = getstatusoutput('"%s" CMD config LAPACK_LIBS' % rexec )
+ if stat or len(output)<=0:
+ raise RuntimeError("Couldn't execute the R interpreter" +
+ " `%s'.\n" % rexec )
+
+ LAPACK_LIB_FLAGS = output.strip()
+ if not LAPACK_LIB_FLAGS:
+ raise RuntimeError("Couldn't obtain LAPACK_LIBS information from output\n"
+ "of `R CMD config LAPACK_LIBS'.\n")
+
+ return LAPACK_LIB_FLAGS
Modified: trunk/rpy/setup.py
===================================================================
--- trunk/rpy/setup.py 2008-05-14 17:51:40 UTC (rev 522)
+++ trunk/rpy/setup.py 2008-05-14 18:31:21 UTC (rev 523)
@@ -150,26 +150,22 @@
library_dirs= r_libs
runtime_libs = r_libs
extra_compile_args=[]
- elif sys.platform=='osf1V5':
- include_dirs = [ os.path.join(RHOME.strip(), 'include'),
- 'src' ]
- libraries=['R','Rlapack']
- library_dirs = r_libs
- runtime_libs = r_libs
- extra_compile_args=["-shared"]
- source_files = source_files + ["src/setenv.c"]
+
else: # unix-like systems, this is known to work for Linux and Solaris
include_dirs = [ os.path.join(RHOME.strip(), 'include'),
'src', '/usr/share/R/include' ]
- # TODO: determine if Rlapack is available, if not use standard lapack
- libraries=['R','Rlapack']
-
library_dirs = r_libs
runtime_libs = r_libs
extra_compile_args=["-shared"]
source_files = source_files + ["src/setenv.c"]
+
+ libraries=['R']
+
+ # Ask R to tell us how to properly link against lapack
+ extra_compile_args += [ rpy_tools.get_R_LAPACK_LIB_FLAGS( RHOME ) ]
+
# Discover which array packages are present
try:
import numpy
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