If path starts with then this also works like servletcontext. All headers that you need for this file are present in path2. Im trying to add to the path, the bin folder inside wherever the makefile directory is. A rule appears in the makefile and says when and how to remake certain files, called the rules targets most often only one per rule. We tracked the problem down to windows having a limitation on relative paths. Given that the current makefile is the last one that has been included in other words you didnt use another include directive since the beginning of the current script, the path to the script itself would be. Requestdispatcher from servletrequest vs servletcontext. Within the getrequestdispatcher method, you must code a url that starts with a slash so it is relative to the document root directory. Remote makefile project builds, but will not debug if relative path. Some distributions, for example those that use gnu coreutils and freebsd, also come with a realpath 1 utility that basically just calls realpath 3 and does pretty. There are three ways to obtain requestdispatcher object. Compiling custom applications in linux with a makefile and pkgconfig note.
But when i copy my makefile to the folder development a folder up one level and edit my paths it compiles without any errors. Servlet 140javascript javascript javascript javascript javascript javascript javascript javascript javascript javascript javascript servlet. If the path begins with a it is interpreted as relative to the current context root. In order to include this external model element into makefile, sourceartifact is required for the external model element. Dec 02, 2005 in my view, there is clearly brain damage here. The second makefile works because i lied in the last sentence. The servletcontext requestdispatcher must be an absolute path starting at the context root. Sometimes in a makefile you need to reference something from the directory where the makefile lives. Im trying to set up a makefile to, when compiling each source file, look through three directories in order, and compile the first version it finds. The include method defined in the requestdispatcher class can be used to access one servlet from another. Absolutepath other than application, relative path same application. All header files are in h folder, all source files in the src folder.
Ive seen a few other threads like this, but they either went unanswered or failed to answer my question. Setting up the environment variables for the development kit guis. What is the difference between getrequestdispatcher of servletcontext and servletrequest. I dont want to change the absolute path into relative path for sake of netbeans every time i edit the code, then change the relative path back to absolute path for consistency in style with my partners. Most of my projects are given in the nonide form, meaning that most of my partners dont use ides.
A path is a unique location to a file or a folder in a file system of an os. Setting environment variable in makefile hewlett packard. Solved how to add include path to kernel module makefile. After the export statement is completed, the child process exits and its. Creating a jsp response page sun java system web server 7.
It can, however, be easily achieved without using the vpathvpath by explicitly setting the paths for sources and objects in the makefile. If it is relative, it must be relative against the current servlet. Requestdispatcher, relative and absolute path servlets. Whether the directiveincdir could be used in makefile. Without one of these prefixes, the current search path is used.
If that path gets too long i believe the limit is 260 characters qmakemake will fail to resolve the relative path through the windows api and go into undefined behavior. Use getcontext to obtain a requestdispatcher for resources in foreign contexts. Well, then, what the heck is vpath good for, anyway. How do i set an environment variable in a makefile. It lists the other files that are the dependencies of the target, and commands to use to create or update the target. In a makefile, how to get the relative path from one absolute path to. Right click the model element, from context menu, click add new sourceartifact. Returns a servletcontext object that corresponds to a specified url on the server this method allows servlets to gain access to the context for various parts of the server, and as needed obtain requestdispatcher objects from the context. When you invoke a forward request, the request is sent to another resource on the server, without the client being informed that a different resource is. String is that this method can take a relative path. The only problem with doing this is that gnu makes builtin pattern rules cannot be used because they either assume source and binary are in the same directory, or they use a. When you need to run programs that are a part of your package during the make, please make sure that it uses. How can i make the include directive in makefiles behave relatively to the location of the current script assume that the current path is arbitrary and you have no control over it. Even though its recursive, it ought to be more efficient than calling an external program.
The same servlet api also says that servletcontext. Here is a summary of the directives gnu make recognizes. Im having some trouble in exporting the path ive modified inside the makefile into the current terminal. You can think of a makefile as a recipe for making your program i. The getrequestdispatcher method is similar to the requestdispatcher in the servletcontext.
This appendix summarizes the directives, text manipulation functions, and special variables which gnu make understands. The make utility uses a special plaintext file that you write that has to reside in the same directory as your program, and has to be called makefile. The latest tools are fine with long filenames, but can have problems with spaces in file. How to specify a relative directory in makefile keil forum software. From javadoc the servletrequests getrequestdispatcher can take a relative path while servletcontexts getrequestdispatcher can notcan only take relative to. When qmake or cmake generates the make files by default, all of the paths are relative. Unfortunately, software developers who have nondefault library search paths often forget to supply the wl,rpath or r options in their makefiles, with the result that the code builds and runs at their sites, but not at end user sites. What im trying to do is use gnu make to a the unix and linux forums. Gnu make is an extremely powerful program, and can be used to automate the building and testing of software. How do i add an include path for kernel module makefile. The path info would be used in makefile generated by rhapsody.
See special targets, catalogue of built in rules, and summary of options, for other summaries. Im trying out a graphic lcd library which comes with a static. In this case, the parent process is the make that is processing the makefile. When it reaches the export haihello line, it will create a child process to run a shell to execute the export statement. Whenever possible, you should stick with relative paths otherwise you are inviting the wrath of anyone sharing your version control system with you. The only problem with using it is that makefile syntax is rather cryptic, and debugging complex makefiles can be difficult.
See special targets, catalogue of builtin rules, and summary of options, for other summaries. In other words, vpath is useless to us for this purpose. Apart of the cmake approach, mrpt also can be used from users programs built with gnu make by means of pkgconfig. This path must be relative to the root of the servletcontext and begin with a. Weve built this example in one of my favorite layouts but you should be able to figure out how to redirect things if your layout looks different. A simple makefile for our prime number program above might look like this. I have a problem with my makefiles on gentoo linux. Only users with topic management privileges can see it. This tutorial is based on the topics covered in the gnu make book. This path must be relative to the root of the servletcontext. There are makefiles in every folder except the h folders.
The primary portion of this filename indicates that this shared library is for the primary audio hardware located on the device. This method returns null if the servlet container cannot return a requestdispatcher. Nios ii software build tools reference, nios ii software. Thus, for a webapp context called shopping, the url. A makefile project build fails when remote build outputs setting is set with relative path. I have selected one of my real projects for this post. If the path starts with a, it is interpreted as relative to the current context root. The first makefile fails because gnu make doesnt do path manipulation in target names and so it sees two different targets called foo and. For a requestdispatcher obtained via getrequestdispatcher, the servletrequest object has its path elements and parameters adjusted to match the path of the target resource. The same makefile and relative paths are supposed to work on linux, mac, or windows, btw. Is there a unix command to get the absolute and canonicalized path from a relative path which may contain symbolic links. How to include rational rhapsody external source files.
It is possible to use a customized makefile to build erika inside eclipse. See the preferred, simpler way of building in any platform using cmake above. If you want a command to span multiple lines, you need to backslash escape them except for the last one, of course, like so. The first one changes the behaviour to generate absolute symlinks, which is incorrect. Developing web applications, servlets, and jsps for oracle.
I can include the file specifying the relative path, which. Find answers to relative path to absolute path in makefile from the expert community at experts exchange. Adding directory to path through makefile stack exchange. The difference between this method and servletcontext. Heres a solution that only uses gnu make functions. Configuring a shared library android open source project. Setting environment variables in makefile the unix and. The method uses the path to look up a servlet, using the servlet path matching rules in chapter 12, mapping requests to. To allow requestdispatcher objects to be obtained using relative paths that are relative to the path of the current request not relative to the root of the. Qmake generating makefiles with relative paths that are. But a filewriter constructor doesnt know anything about servlets or context roots, and it needs an absolute path to where the file is located on the hard drive.
Relative paths like projects should work just as well. And some of the failures change depending on whether you have a sh. The servlet container uses the information in the request object to transform the given relative path to a complete current servlet path, for example. Methods that are part of the servlet api understand paths relative to the context root, e.
Compiling custom applications in linux with a makefile and. The getrequestdispatcher method takes a string argument describing a path within the scope of the servletcontext. This path must be relative to the root of the servletcontext and begin with a, or be empty. If you do not use the f or file flag, the default is to try gnumakefile, makefile, and makefile, in that order, and use the first of these three which exists or can be made see writing makefiles. Waste and prepends the present working directory to the destination folder under. The method uses the path to look up a servlet, using the servlet path matching rules, wraps it with a requestdispatcher object, and returns the resulting object. The variable is set in the environment of the child process only.
The problem is that make assumes each line is a separate command. We currently have two patches that address the ln relative issue differently. In this case, we can use the following code to find makefile s directory. Cant add a path to makefile in windows hi all, im learning how to use makefile to build an executable file in windows 7. What is the defferent between getnameddispatcher and getrequestdispatcher. Some of the makefile variables result in failures if they contain backslashes in the paths, and some of them cause failures if they have forward slashes.
So weve shown that the only reliable way to construct a makefile that will place targets into a remote directory, rather than the current directory, is by prefixing all the targets with that directory path. The current c51 version just supports any valid path relative or absolute. Hi all, i am trying to understand how servletrequest. The pathname must begin with a and is interpreted as relative to the current context root. Hi all, i would like to set run time library path in my makefile, so that my exe should search run time libraries in that path when executed. Thus you can supply certain search directories for one class of file names and other directories or none for other file names. Nios ii software developers handbook, and familiarize yourself with the parts of the nios ii software build tools chapter of the nios ii software developers handbook that are relevant to your tasks. You can use the readlink utility, with the f option. This tutorial teaches mainly through examples in order to help quickly explain the concepts in the book. Similar to the vpath variable, but more selective, is the vpath directive note lower case, which allows you to specify a search path for a particular class of file names. First we will look at the differences between the two. If a dependency relationship is incorrect, then a file may not be rebuilt when it needs to be.