Update with corrections

This commit was SVN r1475.

src/mca/ptl/elan/configure.stub

@@ -10,9 +10,8 @@
 AC_DEFUN([MCA_CONFIGURE_STUB],[
 
     # Look for a bunch of libraries; abort if we don't have them
-
-    PTL_ELAN_LIBS=
-    pairs="rmscall:rms_getcap elan:elan_init elan4:elan4_init elan3:elan3_create elanctrl:elanctrl_open"
+    PTL_ELAN_LIBS="$LIBS"
+    pairs="rmscall:rms_getcap elan:elan_init elan4:elan4_init"
     for pair in $pairs; do
         lib="`echo $pair | cut -d: -f1`"
         func="`echo $pair | cut -d: -f2`"
@@ -25,6 +24,23 @@ AC_DEFUN([MCA_CONFIGURE_STUB],[
         PTL_ELAN_LIBS="$PTL_ELAN_LIBS -l$lib"
     done
 
+    AC_CHECK_LIB([elan3], [elan3_create],  
+	[ompi_elan_have_libelan3=yes], 
+	[ompi_elan_nolibelan3=1])
+
+    AC_CHECK_LIB([elanctrl], [elanctrl_open], 
+	[ompi_elan_have_libelanctrl=yes], 
+	[ompi_elan_nolibelanctrl=1])
+
+    if test "$ompi_elan_have_libelan3" = "yes"; then
+	PTL_ELAN_LIBS="$PTL_ELAN_LIBS -lelan3"
+    elif test "$ompi_elan_have_libelanctrl" = "yes"; then
+	PTL_ELAN_LIBS="$PTL_ELAN_LIBS -lelanctrl"
+    else
+	AC_MSG_WARN([*** Cannot find libelan3 or libelanctrl ])
+	AC_MSG_ERROR([Cannot continue])
+    fi 
+
     # Some versions of AC seem to automatically append LIBS with the
     # result of a successful AC_CHECK_LIB.  So ensure to override this
     # here.
@@ -36,11 +52,14 @@ AC_DEFUN([MCA_CONFIGURE_STUB],[
     AC_ARG_WITH(ptl_elan_qsnet2libsrc, 
 	    AC_HELP_STRING([--with-ptl-elan-qsnet2libsrc],
 		[provide the path to qsnet2lib source]))
-    dir="$with_ptl_elan_qsnet2libsrc"
-    if test -z "$dir"; then
+    QSNET2SRC="$with_ptl_elan_qsnet2libsrc"
+    if test -z "$QSNET2SRC"; then
         AC_MSG_WARN([*** Need path to qsnet2 library source; please use --with-ptl-elan-qs2netlibsrc=/path/to/qsnet2/source])
         AC_MSG_ERROR([Cannot continue])
     else
-	CPPFLAGS="-I${dir}/include -I${dir}/elan4lib/include -I${dir}/elan4lib/elan4 -I${dir}/elan4lib/common"
+	CPPFLAGS="-I${QSNET2SRC}/include -I${QSNET2SRC}/elan4lib/include -I${QSNET2SRC}/elan4lib/elan4 -I${QSNET2SRC}/elan4lib/common"
     fi
+
+    AC_SUBST(QSNET2SRC)
+
 ])dnl