From 89a67b0fb7ea58fd3c7feb93df89b43b43c9cf17 Mon Sep 17 00:00:00 2001
From: Kai Ni <nikai97@gmail.com>
Date: Wed, 21 Apr 2010 04:15:14 +0000
Subject: [PATCH] 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  | 23 ++++++++++++-----------
 m4/ax_blas.m4 |  4 ++--
 myconfigure   |  2 +-
 3 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/configure.ac b/configure.ac
index ec66fca68..a97603bba 100644
--- a/configure.ac
+++ b/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])
 
diff --git a/m4/ax_blas.m4 b/m4/ax_blas.m4
index 65fec4081..c5e545e2d 100644
--- a/m4/ax_blas.m4
+++ b/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], [
diff --git a/myconfigure b/myconfigure
index a6ae991a2..a532a1d06 100755
--- a/myconfigure
+++ b/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