Adjust how cuda.h is found. It can be found in the with-cuda dir now.

This commit was SVN r28555.

config/opal_configure_options.m4

@@ -484,14 +484,14 @@ AC_DEFINE_UNQUOTED([OPAL_ENABLE_CRDEBUG], [0],
     [Whether we want checkpoint/restart enabled debugging functionality or not])
 
 #
-# Check to see if user wants CUDA support in datatype and convertor code.
+# Check to see if user wants CUDA support
 #
 AC_ARG_WITH([cuda],
             [AC_HELP_STRING([--with-cuda(=DIR)],
             [Build cuda support, optionally adding DIR/include])])
 AC_MSG_CHECKING([if --with-cuda is set])
 
-# CUDA support is off by default.  User has to request it.
+# CUDA support is off by default.  User has to request it.  Look for cuda.h file.
 AS_IF([test "$with_cuda" = "no" -o "x$with_cuda" = "x"],
       [opal_check_cuda_happy="no"
        AC_MSG_RESULT([not set (--with-cuda=$with_cuda)])],
@@ -502,29 +502,34 @@ AS_IF([test "$with_cuda" = "no" -o "x$with_cuda" = "x"],
                      AC_MSG_ERROR([Cannot continue])],
                     [AC_MSG_RESULT([found])
                      opal_check_cuda_happy="yes"
-                     with_cuda="/usr/local/cuda"])],
+                     with_cuda="/usr/local/cuda/include"])],
              [AS_IF([test ! -d "$with_cuda"],
                     [AC_MSG_RESULT([not found])
                      AC_MSG_WARN([Directory $with_cuda not found])
                      AC_MSG_ERROR([Cannot continue])],
                     [AS_IF([test "x`ls $with_cuda/include/cuda.h 2> /dev/null`" = "x"],
-                           [AC_MSG_RESULT([not found])
+                           [AS_IF([test "x`ls $with_cuda/cuda.h 2> /dev/null`" = "x"],
-                            AC_MSG_WARN([Expected file $with_cuda/include/cuda.h not found])
+                                  [AC_MSG_RESULT([not found])
-                            AC_MSG_ERROR([Cannot continue])],
+                                   AC_MSG_WARN([Could not find cuda.h in $with_cuda/include or $with_cuda])
+                                   AC_MSG_ERROR([Cannot continue])],
+                                  [opal_check_cuda_happy="yes"
+                                   with_cuda="$with_cuda"
+                                   AC_MSG_RESULT([found ($with_cuda/cuda.h)])])],
                            [opal_check_cuda_happy="yes"
-                            AC_MSG_RESULT([found ($with_cuda/include/cuda.h)])])])])])
+                            with_cuda="$with_cuda/include"
+                            AC_MSG_RESULT([found ($with_cuda/cuda.h)])])])])])
 
 # If we have CUDA support, check to see if we have CUDA 4.1 support
 AS_IF([test "$opal_check_cuda_happy"="yes"],
     AC_CHECK_MEMBER([struct CUipcMemHandle_st.reserved], [CUDA_SUPPORT_41=1], [CUDA_SUPPORT_41=0],
-        [#include <$with_cuda/include/cuda.h>]),
+        [#include <$with_cuda/cuda.h>]),
     [])
 
 AC_MSG_CHECKING([if have cuda support])
 if test "$opal_check_cuda_happy" = "yes"; then
-    AC_MSG_RESULT([yes (-I$with_cuda/include)])
+    AC_MSG_RESULT([yes (-I$with_cuda)])
     CUDA_SUPPORT=1
-    opal_datatype_cuda_CPPFLAGS="-I$with_cuda/include"
+    opal_datatype_cuda_CPPFLAGS="-I$with_cuda"
     AC_SUBST([opal_datatype_cuda_CPPFLAGS])
     AC_SUBST([opal_datatype_cuda_LIBS])
 else