psbals3:

config/pac.m4
 configure

Added --with-blasdir option

config/pac.m4

@@ -1052,7 +1052,14 @@ case $with_blas in
 	-* | */* | *.a | *.so | *.so.* | *.o) BLAS_LIBS="$with_blas" ;;
 	*) BLAS_LIBS="-l$with_blas" ;;
 esac
-
+AC_ARG_WITH(blasdir,
+	[AC_HELP_STRING([--with-blasdir=<dir>], [search for BLAS library in <dir>])])
+case $with_blasdir in
+  "") ;;
+      *) if test -d $with_blasdir; then 
+	    BLAS_LIBDIR="-L$with_blasdir";
+	    fi ;;
+esac
 # Get fortran linker names of BLAS functions to check for.
 #AC_FC_FUNC(sgemm)
 #AC_FC_FUNC(dgemm)
@@ -1064,7 +1071,7 @@ AC_LANG([Fortran])
 # First, check BLAS_LIBS environment variable
 if test $pac_blas_ok = no; then
 if test "x$BLAS_LIBS" != x; then
-	save_LIBS="$LIBS"; LIBS="$BLAS_LIBS $LIBS"
+	save_LIBS="$LIBS"; LIBS="$BLAS_LIBS $BLAS_LIBDIR $LIBS"
 	AC_MSG_CHECKING([for sgemm in $BLAS_LIBS])
 	AC_TRY_LINK_FUNC(sgemm, [pac_blas_ok=yes], [BLAS_LIBS=""])
 	AC_MSG_RESULT($pac_blas_ok)
@@ -1082,7 +1089,7 @@ if test $pac_blas_ok = no; then
 		[AC_LANG([C])
 		 AC_CHECK_LIB(cblas, cblas_dgemm,
 			[pac_blas_ok=yes
-			 BLAS_LIBS="-lcblas -lf77blas -latlas"],
+			 BLAS_LIBS="-lcblas -lf77blas -latlas $BLAS_LIBDIR"],
 			[], [-lf77blas -latlas])],
 			[], [-latlas])])
 
@@ -1095,7 +1102,7 @@ if test $pac_blas_ok = no; then
 		[AC_LANG([C])
 		 AC_CHECK_LIB(satlas, cblas_dgemm,
 			[pac_blas_ok=yes
-			 BLAS_LIBS="-lsatlas"],
+			 BLAS_LIBS="-lsatlas $BLAS_LIBDIR"],
 			[], [-lsatlas])],
 			[], [-lsatlas])])
 
@@ -1107,19 +1114,19 @@ if test $pac_blas_ok = no; then
 	AC_CHECK_LIB(blas, sgemm,
 		[AC_CHECK_LIB(dgemm, dgemm,
 		[AC_CHECK_LIB(sgemm, sgemm,
-			[pac_blas_ok=yes; BLAS_LIBS="-lsgemm -ldgemm -lblas"],
+			[pac_blas_ok=yes; BLAS_LIBS="-lsgemm -ldgemm -lblas $BLAS_LIBDIR"],
 			[], [-lblas])],
 			[], [-lblas])])
 fi
 
 # BLAS in Alpha CXML library? 
 if test $pac_blas_ok = no; then
-	AC_CHECK_LIB(cxml, sgemm, [pac_blas_ok=yes;BLAS_LIBS="-lcxml"])
+	AC_CHECK_LIB(cxml, sgemm, [pac_blas_ok=yes;BLAS_LIBS="-lcxml $BLAS_LIBDIR"])
 fi
 
 # BLAS in Alpha DXML library? (now called CXML, see above)
 if test $pac_blas_ok = no; then
-	AC_CHECK_LIB(dxml, sgemm, [pac_blas_ok=yes;BLAS_LIBS="-ldxml"])
+	AC_CHECK_LIB(dxml, sgemm, [pac_blas_ok=yes;BLAS_LIBS="-ldxml $BLAS_LIBDIR"])
 
 fi
 
@@ -1128,7 +1135,7 @@ if test $pac_blas_ok = no; then
 	if test "x$GCC" != xyes; then # only works with Sun CC
 		AC_CHECK_LIB(sunmath, acosp,
 			[AC_CHECK_LIB(sunperf, sgemm,
-        			[BLAS_LIBS="-xlic_lib=sunperf -lsunmath"
+        			[BLAS_LIBS="-xlic_lib=sunperf -lsunmath $BLAS_LIBDIR"
                                  pac_blas_ok=yes],[],[-lsunmath])])
 
 	fi
@@ -1136,25 +1143,25 @@ fi
 
 # BLAS in SCSL library?  (SGI/Cray Scientific Library)
 if test $pac_blas_ok = no; then
-	AC_CHECK_LIB(scs, sgemm, [pac_blas_ok=yes; BLAS_LIBS="-lscs"])
+	AC_CHECK_LIB(scs, sgemm, [pac_blas_ok=yes; BLAS_LIBS="-lscs $BLAS_LIBDIR"])
 fi
 
 # BLAS in SGIMATH library?
 if test $pac_blas_ok = no; then
 	AC_CHECK_LIB(complib.sgimath, $sgemm,
-		     [pac_blas_ok=yes; BLAS_LIBS="-lcomplib.sgimath"])
+		     [pac_blas_ok=yes; BLAS_LIBS="-lcomplib.sgimath $BLAS_LIBDIR"])
 fi
 
 # BLAS in IBM ESSL library? (requires generic BLAS lib, too)
 if test $pac_blas_ok = no; then
 	AC_CHECK_LIB(blas, $sgemm,
 		[AC_CHECK_LIB(essl, sgemm,
-			[pac_blas_ok=yes; BLAS_LIBS="-lessl -lblas"],
+			[pac_blas_ok=yes; BLAS_LIBS="-lessl -lblas $BLAS_LIBDIR"],
 			[], [-lblas $FLIBS])])
 fi
 # BLAS linked to by default?  (happens on some supercomputers)
 if test $pac_blas_ok = no; then
-	save_LIBS="$LIBS"; LIBS="$LIBS"
+	save_LIBS="$LIBS"; LIBS=" $BLAS_LIBDIR $LIBS"
 	AC_TRY_LINK_FUNC(sgemm, [pac_blas_ok=yes], [BLAS_LIBS=""])
 dnl	AC_CHECK_FUNC(sgemm, [pac_blas_ok=yes])
 	LIBS="$save_LIBS"
@@ -1163,10 +1170,10 @@ fi
 # Generic BLAS library?
 if test $pac_blas_ok = no; then
   AC_LANG([Fortran])
-  AC_CHECK_LIB(blas, sgemm, [pac_blas_ok=yes; BLAS_LIBS="-lblas"])
+  AC_CHECK_LIB(blas, sgemm, [pac_blas_ok=yes; BLAS_LIBS="-lblas $BLAS_LIBDIR"])
 fi
 
-AC_SUBST(BLAS_LIBS)
+dnl AC_SUBST(BLAS_LIBS)
 
 LIBS="$pac_blas_save_LIBS"
 
@@ -1180,7 +1187,6 @@ else
 fi
 ])dnl PAC_BLAS
 
-
 dnl @synopsis PAC_LAPACK([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
 dnl @synopsis ACX_LAPACK([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
 dnl