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Tried to clarify how to compile dlib with respect to visual studio and PNG and 

JPEG support.
This commit is contained in:
Davis King 2014-10-12 11:49:32 -04:00
parent bba2681bcf
commit 9c8fac911a
1 changed files with 18 additions and 2 deletions
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docs/docs/compile.xml
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@ -63,7 +63,17 @@ cmake --build . --config Release
</code_box>
Note that you also need to have a C++ compiler installed on your system. There are free C++ compilers
for most operating systems. For example, Visual Studio Express is free on Windows and GCC is free and
works well on Mac OS X and Linux systems.
works well on Mac OS X and Linux systems.
<p>
Finally, note that when using Visual Studio CMake will, by default, generate a 32bit executable.
This means the programs you compile will only be able to use 2GB of RAM. To avoid this, you need
to tell CMake to generate a 64bit executable. You do this by using a command like
<code_box>cmake -G "Visual Studio 10 2010 Win64" ..</code_box> instead of <code_box>cmake ..</code_box>
You can see the list of valid arguments to <tt>-G</tt> by running <tt>cmake</tt> with no options.
</p>
<h2>Compiling on Linux From Command Line</h2>
From within the examples folder, you can compile any of the examples with a single command like so:
@ -98,6 +108,12 @@ sudo apt-get install libx11-dev
folder containing the dlib folder to the #include search path. Then you can compile any example program
by adding it to your project.
</p>
<p>
Note that dlib will only be able to work with JPEG and PNG files if you also add all the source
files in the dlib/external folder into your project and also add the DLIB_PNG_SUPPORT and DLIB_JPEG_SUPPORT
preprocessor directives. If you don't know how to configure Visual Studio then you should use
CMake as shown above since it will take care of everything for you.
</p>
<center><h1>Preprocessor Directives</h1></center>
@ -114,7 +130,7 @@ sudo apt-get install libx11-dev
<h3>#define ENABLE_ASSERTS</h3>
<p>
Defining this directive causes all the <a href="metaprogramming.html#DLIB_ASSERT">DLIB_ASSERT</a> macros to
be active. If you are using visual studio or CMake then ENABLE_ASSERTS will be automatically enabled
be active. If you are using Visual Studio or CMake then ENABLE_ASSERTS will be automatically enabled
for you when you compile in debug mode. However, if you are using a different build system then you
might have to manually enable it if you want to turn the asserts on.
</p>