Compiling wxWidgets (MSW) 2.8.12 on Windows using makefile.gcc
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These are the instructions for compiling wxWidgets for use with Code::Blocks. They are primarily intended in preparation for compiling Code::Blocks itself but (hopefully) may also help installing wxWidgets for general development using that framework.
Directions to install MinGW for Code::Blocks can be found here. MinGW installation
Installing the wxWidgets Source Code
The wxWidgets 2.8.12 distribution can be found at the wxWidgets download site. (Note that there is also a winhelp file available.) You can choose between an installer and a zip file. You can just get the zip file because the installer is also a zipped version.
If you use the plain zip version, make sure to unzip using the full path. Otherwise the directories won't be created correctly.
NOTE: For the remainder of these instructions we call the wxWidgets directory <WXWIN>. You have to change it to your corresponding directory (e.g. "C:\wxMSW-2.8.12\wxMSW-2.8.12" or "C:\wxWidgets-2.8.12\wxWidgets-2.8.12").
NOTE: You do not need MSYS. Furthermore, you cannot have MSYS in your path, or the wxWidgets compilation will fail. Thus, if you have MSYS installed, ensure that <MSYS>\bin is not in your path before compiling wxWidgets. wxWidgets must be compiled from a "regular" command line (like cmd.exe), not from a Unix-like shell. The same problem could arise if Cygwin is in the path.
NOTE: For the remainder of these instructions we call the MinGW directory <MINGW>. You have to change it to your corresponding directory (e.g. "C:\MinGW").
Checking make Version
If you didn't install MinGW yourself you have to ensure you are using a recent enough version of the make utility. Open a command prompt and type:
cd /D <MINGW>\bin mingw32-make -v
The version should read 3.80 or higher.
/D flag after
cd may be omitted from all commands; it simply allows command prompt to change drives if necessary.
To compile wxWidgets, open the command prompt window and change to the wxWidgets directory:
cd /D <WXWIN>\build\msw
NOTE: This is normally SET PATH=C:\MingGW\bin;C:\MingGW\mingw32\bin
Now clean up the source:
mingw32-make -f makefile.gcc MONOLITHIC=1 SHARED=1 UNICODE=1 BUILD=release clean
NOTE: Make sure you use exactly the same options for this step and for the build step below. The clean target uses these variables and only cleans the specified version of the generated object and library files. (It will not clean the intended files if these variables are not identical.)
NOTE: If you still have problems with compiling after cleaning, you could try to manually remove the gcc_msw directory under the build\msw directory. This directory is the place where the object files are stored.
When everything is clean you can start compiling wxWidgets:
mingw32-make -f makefile.gcc MONOLITHIC=1 SHARED=1 UNICODE=1 BUILD=release
NOTE: These options are the officially-supported Code::Blocks options. If you want another version of wxWidgets (debug or non-Unicode) you still have to make sure you build a MONOLITHIC version (one big DLL) for linking Code::Blocks.
Patience. This step takes time. Make sure there was no compilation error before you continue.