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This short tutorial shows you how to install libpng on Ubuntu Linux Server. The process is very simple. For this tutorial, I'll be installing libpng version 1.2.18. Linux kernel is 2.6.15-26-powerpc. I have used a Mac Mini (powerpc/ppc architecture). GCC version number is 4.0.3. Your configuration may be different from mine but the installation steps below should work fine for most configurations with little or no change at all (including other Linux distributions and even unixes e.g. MacOS x).
Libpng:
According to libpng.sourceforge.net,
"This is an open source project to develop and maintain the reference library for use in applications that create and manipulate PNG (Portable Network Graphics) raster image files."
Before starting, please check to see if there is a latest version available to download. Visit http://libpng.sourceforge.net/ to find out about the available versions. IMPORTANT: See "Configuring Ubuntu Linux After Installation" to install the development tools required to compile and install libpng from source code.
Steps to download, compile, and install are as follows. Note: Replace 1.2.18 with your version number:
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Downloading Libpng:
Run the command below,
wget http://downloads.sourceforge.net/libpng/libpng-1.2.18.tar.gz?modtime=1179259677&big_mirror=0
NOTE: If the download link (above) does not work, go to http://downloads.sourceforge.net/libpng/ to find a new link.
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Extracting files from the downloaded package:
tar -xvzf libpng-1.2.18.tar.gz
Now, enter the directory where the package is extracted.
cd libpng-1.2.18
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Configuring Libpng Library:
./configure --prefix=/usr/local/libpng
Replace "/usr/local/libpng" above with the directory path where you want to copy the files and folders. Note: check for any error message.
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Compiling Libpng:
make
Note: check for any error message.
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Installing libpng:
As root (for privileges on destination directory), run the following.
With sudo,
sudo make install
Without sudo,
make install
Note: check for any error messages.
That’s it. Library has bee successfully installed.
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