Cross compiling RLS AVON with MinGW on Linux

Cross-compiling allows you to create Microsoft Windows executables without leaving Linux. Later, you can test the executables with WINE or move them to a real Windows computer.

These are notes written by a decided non-expert on the subject of cross-compiling complex software. Though I had trouble with cross-compiling instructions on the wxWidgets Wiki, it was a good starting place. Hopefully my notes will help someone else.

I assume you are using Fedora Core 4.

Note: The site http://mirzam.it.vu.nl/mingw/ is popular, but its GCC seems to not have C++.

Download the following RPMs from bitWalk's MinGW programming kit:
- binutils-mingw32-2.15.94-1.i386.rpm
- gcc-mingw32-3.4.2-4.i386.rpm
- mingw32-runtime-3.7-2.i386.rpm
- mingw32-w32api-3.2-2.i386.rpm
Install the above RPMs.
Download wxWidgets 2.6.2 "all ports combined."
Unpack this downloaded file:
```
tar xvjf wxWidgets-2.6.2.tar.bz2
```

Run the following script from the wxWidgets-2.6.2 directory:

#!/bin/bash

# This script configures wxWidgets 2.6.2 for cross-compiling 
# with MinGW on Fedora Core 4.

MINGW_PREFIX=i386-mingw32
MINGW_PATH_PREFIX=/usr/local/i386-mingw32
MINGW_INC=$MINGW_PATH_PREFIX/include/

USER_CONFIGURE_OPTIONS="--without-sdl --without-odbc --without-expat  --without-libtiff "
	"-enable-fs_zip --enable-html --enable-image --enable-unicode --enable-zipstream " \

export CC=$MINGW_PREFIX-gcc
export CXX=$MINGW_PREFIX-c++
export LD=$MINGW_PREFIX-ld
export AR=$MINGW_PREFIX-ar
export AS=$MINGW_PREFIX-as
export NM=$MINGW_PREFIX-nm
export STRIP=$MINGW_PREFIX-strip
export RANLIB=$MINGW_PREFIX-ranlib
export DLLTOOL=$MINGW_PREFIX-dlltool
export OBJDUMP=$MINGW_PREFIX-objdump
export RESCOMP=$MINGW_PREFIX-windres
export CFLAGS=-I$MINGW_INC
export CXXFLAGS=-I\&MINGW_INC
export PATH=$PATH:\&MINGW_PATH_PREFIX/bin/

./configure --prefix=$MINGW_PATH_PREFIX --target=i386-mingw32msvc --host=i386-mingw32msvc --build=i386-linux --with-msw  $USER_CONFIGURE_OPTIONS

Run the following command as root:
```
make install
```
Change to the directory with RLS AVON source code.

Run the following script. (NOTE: RLS AVON uses a simple makefile. RLS AVON does not use automake.)

#!/bin/bash

MINGW_PREFIX=i386-mingw32

export CC=$MINGW_PREFIX-gcc
export CXX=$MINGW_PREFIX-c++
export LD=$MINGW_PREFIX-ld
export AR=$MINGW_PREFIX-ar
export AS=$MINGW_PREFIX-as
export NM=$MINGW_PREFIX-nm
export STRIP=$MINGW_PREFIX-strip
export RANLIB=$MINGW_PREFIX-ranlib
export DLLTOOL=$MINGW_PREFIX-dlltool
export OBJDUMP=$MINGW_PREFIX-objdump
export RESCOMP=$MINGW_PREFIX-windres
export CFLAGS=-I/usr/local/i386-mingw32/include/
export CXXFLAGS=-I/usr/local/i386-mingw32/include/
export PATH=/usr/local/i386-mingw32/bin/:$PATH

make

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Cross compiling RLS AVON with MinGW on Linux