update to latest ax_blas.m4; commented ax_blas out (mac is not influenced, but linux needs a new way to check); remove obsoleted --with-blas

configure.ac

@@ -25,17 +25,6 @@ AC_ARG_ENABLE([debug],
 
 AM_CONDITIONAL([DEBUG], [test x$debug = xtrue])
 
-# search for a blas implementation
-AX_BLAS()
-
-# enable BLAS with general purpose script
-AC_ARG_ENABLE([blas],
-     [  --enable-blas    Enable external BLAS library],
-     [case "${enableval}" in
-       yes) blas=true ;;
-       no)  blas=false ;;
-       *) AC_MSG_ERROR([bad value ${enableval} for --enable-blas]) ;;
-     esac],[blas=false])
 
 AC_CANONICAL_HOST
 # We need to determine what os we are on to determine if we need to do 
@@ -50,6 +39,18 @@ case $host_os in
         ;;
 esac
 
+# search for a blas implementation. Kai: this can not be easily turned off for Mac.
+# AX_BLAS(true) 
+
+# enable BLAS with general purpose script
+AC_ARG_ENABLE([blas],
+     [  --enable-blas    Enable external BLAS library],
+     [case "${enableval}" in
+       yes) blas=true ;;
+       no)  blas=false ;;
+       *) AC_MSG_ERROR([bad value ${enableval} for --enable-blas]) ;;
+     esac],[blas=false])
+
 AM_CONDITIONAL([USE_BLAS_MACOS], [test x$blas = xtrue && test x$ISMAC = xtrue])
 AM_CONDITIONAL([USE_BLAS_LINUX], [test x$blas = xtrue && test x$ISMAC = xfalse])
 

m4/ax_blas.m4

@@ -1,5 +1,5 @@
 # ===========================================================================
-#             http://www.nongnu.org/autoconf-archive/ax_blas.html
+#          http://www.gnu.org/software/autoconf-archive/ax_blas.html
 # ===========================================================================
 #
 # SYNOPSIS
@@ -63,7 +63,7 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 7
+#serial 8
 
 AU_ALIAS([ACX_BLAS], [AX_BLAS])
 AC_DEFUN([AX_BLAS], [

myconfigure

@@ -1 +1 @@
-./configure --prefix=$HOME --with-toolbox=$HOME/toolbox/ --with-boost=/opt/local/include/ --enable-blas --with-blas=atlas CXXFLAGS=" -g -O2 -march=core2 -DNDEBUG" --disable-static
+./configure --prefix=$HOME --with-toolbox=$HOME/toolbox/ --with-boost=/opt/local/include/ --enable-blas CXXFLAGS=" -g -O2 -march=core2 -DNDEBUG" --disable-static