common/autoconf/basics.m4

*** 58,77 ****
    elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
      BASIC_FIXUP_PATH_MSYS($1)
    else
      # We're on a posix platform. Hooray! :)
      path="[$]$1"
-     
-     if test ! -f "$path" && test ! -d "$path"; then
-       AC_MSG_ERROR([The path of $1, which resolves as "$path", is not found.])
-     fi
- 
      has_space=`$ECHO "$path" | $GREP " "`
      if test "x$has_space" != x; then
        AC_MSG_NOTICE([The path of $1, which resolves as "$path", is invalid.])
        AC_MSG_ERROR([Spaces are not allowed in this path.])
      fi
    fi
  ])
  
  # This will make sure the given variable points to a executable
  # with a full and proper path. This means:
--- 58,80 ----
    elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
      BASIC_FIXUP_PATH_MSYS($1)
    else
      # We're on a posix platform. Hooray! :)
      path="[$]$1"
      has_space=`$ECHO "$path" | $GREP " "`
      if test "x$has_space" != x; then
        AC_MSG_NOTICE([The path of $1, which resolves as "$path", is invalid.])
        AC_MSG_ERROR([Spaces are not allowed in this path.])
      fi
+ 
+     # Use eval to expand a potential ~
+     eval path="$path"
+     if test ! -f "$path" && test ! -d "$path"; then
+       AC_MSG_ERROR([The path of $1, which resolves as "$path", is not found.])
+     fi
+ 
+     $1="`cd "$path"; $THEPWDCMD`" 
    fi
  ])
  
  # This will make sure the given variable points to a executable
  # with a full and proper path. This means: