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cant compile source code or use the config script


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#1 don wolfani

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Posted 12 September 2010 - 03:30 PM

i am using mandriva linux 2010 spring.
everytime i try and install files from sourcecode the config step always returns the message "no such file or directory".
here is the guide i am using to figure out what to do but i think this guide is flawed or i am misunderstanding some direction.


< The procedure >

The installation procedure for software that comes in tar.gz and tar.bz2 packages isn't always the same, but usually it's like this:

# tar xvzf package.tar.gz (or tar xvjf package.tar.bz2)
# cd package
# ./configure
# make
# make install

If you're lucky, by issuing these simple commands you unpack, configure, compile, and install the software package and you don't even have to know what you're doing. However, it's healthy to take a closer look at the installation procedure and see what these steps mean.

< Step 1. Unpacking >

Maybe you've already noticed that the package containing the source code of the program has a tar.gz or a tar.bz2 extension. This means that the package is a compressed tar archive, also known as a tarball. When making the package, the source code and the other needed files were piled together in a single tar archive, hence the tar extension. After piling them all together in the tar archive, the archive was compressed with gzip, hence the gz extension.

Some people want to compress the tar archive with bzip2 instead of gzip. In these cases the package has a tar.bz2 extension. You install these packages exactly the same way as tar.gz packages, but you use a bit different command when unpacking.

It doesn't matter where you put the tarballs you download from the internet but I suggest creating a special directory for downloaded tarballs. In this tutorial I assume you keep tarballs in a directory called dls that you've created under your home directory. However, the dls directory is just an example. You can put your downloaded tar.gz or tar.bz2 software packages into any directory you want. In this example I assume your username is me and you've downloaded a package called pkg.tar.gz into the dls directory you've created (/home/me/dls).

Ok, finally on to unpacking the tarball. After downloading the package, you unpack it with this command:

me@puter: ~/dls$ tar xvzf pkg.tar.gz

As you can see, you use the tar command with the appropriate options (xvzf) for unpacking the tarball. If you have a package with tar.bz2 extension instead, you must tell tar that this isn't a gzipped tar archive. You do so by using the j option instead of z, like this:

me@puter: ~/dls$ tar xvjf pkg.tar.bz2

What happens after unpacking, depends on the package, but in most cases a directory with the package's name is created. The newly created directory goes under the directory where you are right now. To be sure, you can give the ls command:

me@puter: ~/dls$ ls
pkg pkg.tar.gz
me@puter: ~/dls$

In our example unpacking our package pkg.tar.gz did what expected and created a directory with the package's name. Now you must cd into that newly created directory:

me@puter: ~/dls$ cd pkg
me@puter: ~/dls/pkg$

Read any documentation you find in this directory, like README or INSTALL files, before continuing!

< Step 2. Configuring >

Now, after we've changed into the package's directory (and done a little RTFM'ing), it's time to configure the package. Usually, but not always (that's why you need to check out the README and INSTALL files) it's done by running the configure script.

You run the script with this command:

me@puter: ~/dls/pkg$ ./configure

When you run the configure script, you don't actually compile anything yet. configure just checks your system and assigns values for system-dependent variables. These values are used for generating a Makefile. The Makefile in turn is used for generating the actual binary.

When you run the configure script, you'll see a bunch of weird messages scrolling on your screen. This is normal and you shouldn't worry about it. If configure finds an error, it complains about it and exits. However, if everything works like it should, configure doesn't complain about anything, exits, and shuts up.

If configure exited without errors, it's time to move on to the next step.

< Step 3. Building >

It's finally time to actually build the binary, the executable program, from the source code. This is done by running the make command:

me@puter: ~/dls/pkg$ make

Note that make needs the Makefile for building the program. Otherwise it doesn't know what to do. This is why it's so important to run the configure script successfully, or generate the Makefile some other way.

When you run make, you'll see again a bunch of strange messages filling your screen. This is also perfectly normal and nothing you should worry about. This step may take some time, depending on how big the program is and how fast your computer is. If you're doing this on an old dementic rig with a snail processor, go grab yourself some coffee. At this point I usually lose my patience completely.

If all goes as it should, your executable is finished and ready to run after make has done its job. Now, the final step is to install the program.

< Step 4. Installing >

Now it's finally time to install the program. When doing this you must be root. If you've done things as a normal user, you can become root with the su command. It'll ask you the root password and then you're ready for the final step!

me@puter: ~/dls/pkg$ su
Password:
root@puter: /home/me/dls/pkg#

Now when you're root, you can install the program with the make install command:

root@puter: /home/me/dls/pkg# make install

Again, you'll get some weird messages scrolling on the screen. After it's stopped, congrats: you've installed the software and you're ready to run it!

Because in this example we didn't change the behavior of the configure script, the program was installed in the default place. In many cases it's /usr/local/bin. If /usr/local/bin (or whatever place your program was installed in) is already in your PATH, you can just run the program by typing its name.

And one more thing: if you became root with su, you'd better get back your normal user privileges before you do something stupid. Type exit to become a normal user again:

root@puter: /home/me/dls/pkg# exit
exit
me@puter: ~/dls/pkg$

< Cleaning up the mess >

I bet you want to save some disk space. If this is the case, you'll want to get rid of some files you don't need. When you ran make it created all sorts of files that were needed during the build process but are useless now and are just taking up disk space. This is why you'll want to make clean:

me@puter: ~/dls/pkg$ make clean

However, make sure you keep your Makefile. It's needed if you later decide to uninstall the program and want to do it as painlessly as possible!

< Uninstalling >

So, you decided you didn't like the program after all? Uninstalling the programs you've compiled yourself isn't as easy as uninstalling programs you've installed with a package manager, like rpm.

If you want to uninstall the software you've compiled yourself, do the obvious: do some old-fashioned RTFM'ig. Read the documentation that came with your software package and see if it says anything about uninstalling. If it doesn't, you can start pulling your hair out.

If you didn't delete your Makefile, you may be able to remove the program by doing a make uninstall:

root@puter: /home/me/dls/pkg# make uninstall

If you see weird text scrolling on your screen (but at this point you've probably got used to weird text filling the screen? :-) that's a good sign. If make starts complaining at you, that's a bad sign. Then you'll have to remove the program files manually.

If you know where the program was installed, you'll have to manually delete the installed files or the directory where your program is. If you have no idea where all the files are, you'll have to read the Makefile and see where all the files got installed, and then delete them.




if anyone knows what i am doing wrong please help me because i seriously begining to think i am missing a needed file for linux to operate properly.

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#2 cryptodan

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Posted 15 September 2010 - 06:31 PM

You need to be in the directory that is created after you untar source code.

SO if I have httpd.tar.gz and I run tar -zxvf httpd.tar.gz the directory would be httpd. You would cd to httpd and run the ./configure script from there.

#3 raw

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Posted 17 September 2010 - 10:14 PM

If ./configure fails you will find a new file in the current directory: config.log
This will show you why configure failed. Most likely you do not have the
correct libraries installed for that app to compile.
What program are you trying to install? Is it not in Mandriva Repos?

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#4 don wolfani

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Posted 25 September 2010 - 02:49 PM

thanxs guys sadly i found the problem, when i installed linux it didnt select the c/c++ compiler to be installed too, good thing i still have the disk, got it installed rather easily once i knew it was just plain missing

#5 maladmin

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Posted 22 October 2010 - 12:54 PM

Are you one of those poor people without internet access?
Otherwise what distro are you using, work out how to access packages online its much simpler than using tarballs and gives you easy access to security patches etc.
I realise that not every app is available as a package but gcc should be.
sudo apt-get install gcc




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