CMake cross MinGW32 example added.

c/cmake_cross_mingw32/CMakeLists.txt

@@ -0,0 +1,2 @@
+include (Toolchain-mingw32.cmake)
+ADD_EXECUTABLE(hello.exe main.c)

c/cmake_cross_mingw32/Toolchain-mingw32.cmake

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+# the name of the target operating system
+SET(CMAKE_SYSTEM_NAME Windows)
+
+# which compilers to use for C and C++
+SET(CMAKE_C_COMPILER i686-w64-mingw32-gcc)
+SET(CMAKE_CXX_COMPILER i686-w64-mingw32-g++)
+SET(CMAKE_RC_COMPILER i686-w64-mingw32-windres)
+
+# here is the target environment located
+SET(CMAKE_FIND_ROOT_PATH /usr/i686-w64-mingw32 /home/kolan/build/mingw-install )
+
+# adjust the default behaviour of the FIND_XXX() commands:
+# search headers and libraries in the target environment, search 
+# programs in the host environment
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

c/cmake_cross_mingw32/main.c

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+#include <stdio.h>
+
+int main()
+{
+   printf("Hello world\n");
+   return 0;
+}