diff --git a/config/pac.m4 b/config/pac.m4
index d45d7ffd..ab339341 100644
--- a/config/pac.m4
+++ b/config/pac.m4
@@ -1166,12 +1166,12 @@ if test $pac_blas_ok = no; then
 		# 64 bit
 		if test $host_cpu = x86_64; then
 			AC_CHECK_LIB(mkl_gf_lp64, $sgemm,
-			[pac_blas_ok=yes;BLAS_LIBS="-lmkl_gf_lp64 -lmkl_sequential -lmkl_core -lpthread"],,
+			[pac_blas_ok=yes;BLAS_LIBS="-lmkl_gf_lp64 -lmkl_sequential -lmkl_core -lpthread  $BLAS_LIBDIR"],,
 			[-lmkl_gf_lp64 -lmkl_sequential -lmkl_core -lpthread])
 		# 32 bit
 		elif test $host_cpu = i686; then
 			AC_CHECK_LIB(mkl_gf, $sgemm,
-				[pac_blas_ok=yes;BLAS_LIBS="-lmkl_gf -lmkl_sequential -lmkl_core -lpthread"],,
+				[pac_blas_ok=yes;BLAS_LIBS="-lmkl_gf -lmkl_sequential -lmkl_core -lpthread  $BLAS_LIBDIR"],,
 				[-lmkl_gf -lmkl_sequential -lmkl_core -lpthread])
 		fi
 	# MKL for other compilers (Intel, PGI, ...?)
@@ -1179,26 +1179,26 @@ if test $pac_blas_ok = no; then
 		# 64-bit
 		if test $host_cpu = x86_64; then
 			AC_CHECK_LIB(mkl_intel_lp64, $sgemm,
-				[pac_blas_ok=yes;BLAS_LIBS="-lmkl_intel_lp64 -lmkl_sequential -lmkl_core -lpthread"],,
+				[pac_blas_ok=yes;BLAS_LIBS="-lmkl_intel_lp64 -lmkl_sequential -lmkl_core -lpthread  $BLAS_LIBDIR"],,
 				[-lmkl_intel_lp64 -lmkl_sequential -lmkl_core -lpthread])
 		# 32-bit
 		elif test $host_cpu = i686; then
 			AC_CHECK_LIB(mkl_intel, $sgemm,
-				[pac_blas_ok=yes;BLAS_LIBS="-lmkl_intel -lmkl_sequential -lmkl_core -lpthread"],,
+				[pac_blas_ok=yes;BLAS_LIBS="-lmkl_intel -lmkl_sequential -lmkl_core -lpthread  $BLAS_LIBDIR"],,
 				[-lmkl_intel -lmkl_sequential -lmkl_core -lpthread])
 		fi
 	fi
 fi
 # Old versions of MKL
 if test $pac_blas_ok = no; then
-	AC_CHECK_LIB(mkl, $sgemm, [pac_blas_ok=yes;BLAS_LIBS="-lmkl -lguide -lpthread"],,[-lguide -lpthread])
+	AC_CHECK_LIB(mkl, $sgemm, [pac_blas_ok=yes;BLAS_LIBS="-lmkl -lguide -lpthread  $BLAS_LIBDIR"],,[-lguide -lpthread])
 fi
 
 # BLAS in Apple vecLib library?
 if test $pac_blas_ok = no; then
 	save_LIBS="$LIBS"; LIBS="-framework vecLib $LIBS"
 	AC_MSG_CHECKING([for $sgemm in -framework vecLib])
-	AC_TRY_LINK_FUNC($sgemm, [pac_blas_ok=yes;BLAS_LIBS="-framework vecLib"])
+	AC_TRY_LINK_FUNC($sgemm, [pac_blas_ok=yes;BLAS_LIBS="-framework vecLib $BLAS_LIBDIR"])
 	AC_MSG_RESULT($pac_blas_ok)
 	LIBS="$save_LIBS"
 fi
diff --git a/configure b/configure
index 908e4cc6..2f4636e7 100755
--- a/configure
+++ b/configure
@@ -7456,7 +7456,7 @@ eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
 if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
-  pac_blas_ok=yes;BLAS_LIBS="-lmkl_gf_lp64 -lmkl_sequential -lmkl_core -lpthread"
+  pac_blas_ok=yes;BLAS_LIBS="-lmkl_gf_lp64 -lmkl_sequential -lmkl_core -lpthread  $BLAS_LIBDIR"
 fi
 
 		# 32 bit
@@ -7487,7 +7487,7 @@ eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
 if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
-  pac_blas_ok=yes;BLAS_LIBS="-lmkl_gf -lmkl_sequential -lmkl_core -lpthread"
+  pac_blas_ok=yes;BLAS_LIBS="-lmkl_gf -lmkl_sequential -lmkl_core -lpthread  $BLAS_LIBDIR"
 fi
 
 		fi
@@ -7521,7 +7521,7 @@ eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
 if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
-  pac_blas_ok=yes;BLAS_LIBS="-lmkl_intel_lp64 -lmkl_sequential -lmkl_core -lpthread"
+  pac_blas_ok=yes;BLAS_LIBS="-lmkl_intel_lp64 -lmkl_sequential -lmkl_core -lpthread  $BLAS_LIBDIR"
 fi
 
 		# 32-bit
@@ -7552,7 +7552,7 @@ eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
 if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
-  pac_blas_ok=yes;BLAS_LIBS="-lmkl_intel -lmkl_sequential -lmkl_core -lpthread"
+  pac_blas_ok=yes;BLAS_LIBS="-lmkl_intel -lmkl_sequential -lmkl_core -lpthread  $BLAS_LIBDIR"
 fi
 
 		fi
@@ -7586,7 +7586,7 @@ eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
 if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
-  pac_blas_ok=yes;BLAS_LIBS="-lmkl -lguide -lpthread"
+  pac_blas_ok=yes;BLAS_LIBS="-lmkl -lguide -lpthread  $BLAS_LIBDIR"
 fi
 
 fi
@@ -7602,7 +7602,7 @@ $as_echo_n "checking for $sgemm in -framework vecLib... " >&6; }
       end
 _ACEOF
 if ac_fn_fc_try_link "$LINENO"; then :
-  pac_blas_ok=yes;BLAS_LIBS="-framework vecLib"
+  pac_blas_ok=yes;BLAS_LIBS="-framework vecLib $BLAS_LIBDIR"
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext