--- R.spec	2011-08-09 17:19:41.000000000 +0100
+++ R-atlas.spec	2011-08-22 16:37:01.413419826 +0100
@@ -29,6 +29,7 @@
 Requires: R-devel = %{version}-%{release}
 # libRmath-devel will pull in libRmath
 Requires: libRmath-devel = %{version}-%{release}
+Requires: atlas
 
 %description
 This is a metapackage that provides both core R userspace and 
@@ -231,7 +232,7 @@
 export FCFLAGS="%{optflags}"
 ( %configure \
     --with-system-zlib --with-system-bzlib --with-system-pcre \
-    --with-lapack \
+    --with-blas="-L/usr/lib64/atlas -lptf77blas -lpthread -latlas" --with-lapack="-L/usr/lib64/atlas -llapack -lcblas" \
     --with-tcl-config=%{_libdir}/tclConfig.sh \
     --with-tk-config=%{_libdir}/tkConfig.sh \
     --enable-R-shlib \