mld2p4-2:

config/pac.m4
 configure.ac
 configure

Check for psblas-3.4

config/pac.m4

@@ -380,7 +380,7 @@ rm -f conftest*])
 dnl @synopsis PAC_FORTRAN_PSBLAS_VERSION( )
 dnl
 dnl Will try to compile, link and run  a program using the PSBLAS library. \
-dnl  Checks for version major and minor
+dnl  Checks for version major,  minor and patchlevel
 dnl
 dnl Will use MPIFC, otherwise '$FC'.
 dnl
@@ -423,6 +423,19 @@ else
   cat conftest.$ac_ext >&AC_FD_CC
   pac_cv_psblas_minor="unknown";
 fi
+cat > conftest.$ac_ext <<EOF
+           program test
+	       use psb_base_mod
+               print *,psb_patchlevel_
+           end program test
+EOF
+if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then
+ pac_cv_psblas_patchlevel=`./conftest${ac_exeext} | sed 's/^ *//'`
+else
+  echo "configure: failed program was:" >&AC_FD_CC
+  cat conftest.$ac_ext >&AC_FD_CC
+  pac_cv_psblas_patchlevel="unknown";
+fi
 rm -f conftest*
 AC_MSG_RESULT([Done])
 ]

configure.ac

@@ -257,10 +257,14 @@ fi
 if test "x$pac_cv_psblas_minor" == "xunknown"; then
    AC_MSG_ERROR([PSBLAS version minor "$pac_cv_psblas_minor".])
 fi
-if (( $pac_cv_psblas_major < 3 )) || (  (( $pac_cv_psblas_major == 3 )) && (( $pac_cv_psblas_minor < 1 ))) ; then
-  AC_MSG_ERROR([I need at least PSBLAS version 3.1.]) 
+if test "x$pac_cv_psblas_patchlevel" == "xunknown"; then
+   AC_MSG_ERROR([PSBLAS patchlevel "$pac_cv_psblas_patchlevel".])
+fi
+if (( $pac_cv_psblas_major < 3 )) ||
+   (  (( $pac_cv_psblas_major == 3 )) && (( $pac_cv_psblas_minor < 4 ))) ; then
+  AC_MSG_ERROR([I need at least PSBLAS version 3.4.]) 
 else
-  AC_MSG_NOTICE([Am configuring with PSBLAS version $pac_cv_psblas_major.$pac_cv_psblas_minor.])
+  AC_MSG_NOTICE([Am configuring with PSBLAS version $pac_cv_psblas_major.$pac_cv_psblas_minor.$pac_cv_psblas_patchlevel.])
 fi
 
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