From 8d9db8311d952797339c0a81895b54f179b6bedd Mon Sep 17 00:00:00 2001
From: Doug Torrance <dtorrance9@gatech.edu>
Date: Thu, 20 Aug 2026 22:42:03 -0400
Subject: [PATCH] Fix detection of MKL

We were grepping CBLAS_LIBS and not BLAS_LIBS, the variable that's set
by --with-blas-libs.

Also remove some cruft (a comment w/ "echo $CBLAS_LIBS") and fix
nearby indentation (tabs, not spaces, for consistency).
---
 macros/mkl-check.m4 | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/macros/mkl-check.m4 b/macros/mkl-check.m4
index 936fdb56a..450d1c9b2 100644
--- a/macros/mkl-check.m4
+++ b/macros/mkl-check.m4
@@ -27,9 +27,8 @@ dnl/
 AC_DEFUN([FF_CHECK_MKL],
 		[
 		AC_MSG_CHECKING(for use of MKL)
-		dnl  echo $CBLAS_LIBS
-                USE_MKL="false"
-		MKL_USED=`echo $CBLAS_LIBS | grep -i MKL`
+		USE_MKL="false"
+		MKL_USED=`echo $BLAS_LIBS | grep -i MKL`
 		AS_IF( [test -n "$MKL_USED"] , [
 			AC_DEFINE(HAVE_MKL,1,[Define if we use MKL for blas/lapack])
 			USE_MKL="true"