Setting Up An Application With Code::Blocks And MinGW
This set of instructions will walk you through setting up a Code::Blocks C++ project from scratch. An alternative to this tutorial is to use the Ogre Application Wizard instead. This tutorial is still useful if you wish to understand what the Application Wizard does for you. When you have finished this tutorial you will be able to compile a working Ogre Application and you will be ready to start the Basic Tutorials.
Table of contents
- Setting up Code::Blocks / MinGW for OGRE Development
- Install the latest MinGW official distribution
- Install Code::Blocks
- Create new Console application project
- Add the Wiki Tutorial Framework
- Project Build Options
- Common Build Options
- Debug Build options
- Release Build options
Install the Ogre SDK as detailed here: Installing the Ogre SDK
Make sure that the environment variable OGRE_HOME is pointing to the root of the Ogre MinGW SDK.
OGRE 1.7.2 requires MinGW 4.5. Get it at: http://www.mingw.org/
For instructions on how to install MinGW go to: http://www.mingw.org/wiki/InstallationHOWTOforMinGW
Download the Code::Blocks official release.
It is suggested to download the version that does not come with its own version of MinGW, as it might be incompatible with the one used to compile the Ogre SDK.
Create a directory for it - C:\CodeBlocks - and unzip the three archives into it.
Start Code::Blocks and pick the MinGW compiler from the list of detected build systems.
Goto Settings -> Compiler and Debugger to show the Global compiler settings:
It should be populated properly, but it can't hurt to check.
Also make sure that the MinGW version Code::Blocks uses is the same that was used to compile Ogre.
Do not use the MinGW version that comes with Code::Blocks. It is rather old.
You can find out your version of MinGW by going to "C:\MinGW\lib\gcc\mingw32".
This folder will contain another folder with a version number.
Click the 'Create a new project' link in the Code::Blocks start page, or find it in the menu.
Choose 'Console application':
Be sure to put the project in a directory with no spaces in the (full) name.
A good name would be 'C:\Projects\OgreProject':
Now we need to add some files to the project.Download the Ogre Wiki Tutorial Framework:
Unpack the four files into your new OgreProject directory:
Right-click main.cpp in the project tree and delete it.
Now, we need to add the wiki tutorial framework to our project.
Right-click and Add files recursively...:
You are given a list of four files. Click 'OK' to add them:
Right-click our OgreProject and choose Build options from the context menu:
Set Compiler settings - Other options to
-mthreads -fmessage-length=0 -fexceptions -fident
Make sure that OgreProject is selected, and not one of the build configurations.
Set Compiler settings - defines to
Again, make sure that OgreProject is selected, and not one of the build configurations.
Set Linker settings - Other linker options to
-Wl,--enable-auto-image-base -Wl,--add-stdcall-alias -Wl,--enable-auto-import
Again, make sure that OgreProject is selected in the configuration tree.
Set Search Directories - Compiler to
$(OGRE_HOME)\include $(OGRE_HOME)\include\OGRE $(OGRE_HOME)\include\OIS $(OGRE_HOME)\boost
It would be prudent to mention that OgreProject should be selected in the configuration tree (and not one of the build configurations)
Set Search Directories - Linker to
Again, you need to have OgreProject selected, not one of the build configurations!
Select the Debug build configuration in the configuration selector on the left.
Set Debug - Compiler settings - defines to
Set Debug - Linker settings - Link libraries to
Set Release - Compiler settings - defines to
Set Release - Linker settings - Link libraries to
When you use a version of the Ogre SDK that uses boost, you will need to link against some boost libraries.
For boost 1.50+, these are:
date_time thread system chrono
For previous boost versions, you can ignore system and chrono.
To get the exact file names, have a look at your Ogre SDK folder. If it uses boost, it will contain a "boost" folder which has all needed libraries in "lib" in both debug and release. (Remember to add "$(OGRE_HOME)\boost\lib" to "Search Directories - Linker" if you use boost!)
One filename could be, for example, "libboost_date_time-mgw47-mt-1_51.a", which is a boost 1.51 version compiled with MinGW GCC 4.7.X.
For this, you would have to link against "boost_date_time-mgw47-mt-1_51".
If you want to run your executable from within Code::Blocks, you need to set up 'working directory' and 'command' in the project settings like this:
You should now be able to compile and run your Ogre application.
Well, maybe not until you've copied it to the Ogre sdk bin directory (or take resources.cfg and plugins.cfg from there).
Or by copying Ogre dlls and media..
But that's something for a later wiki article..
Proceed to the Tutorials.<HR>
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