aptdec/cmake/toolchain-mingw32.cmake

# the name of the target operating system
SET(CMAKE_SYSTEM_NAME Windows)
SET(CMAKE_SYSTEM_PROCESSOR amd64)

# which compilers to use for C and C++
SET(CMAKE_C_COMPILER x86_64-w64-mingw32-gcc)
SET(CMAKE_CXX_COMPILER x86_64-w64-mingw32-g++)
SET(CMAKE_RC_COMPILER x86_64-w64-mingw32-windres)

# here is the target environment located
SET(CMAKE_FIND_ROOT_PATH /usr/x86_64-w64-mingw32 ${CMAKE_INSTALL_PREFIX})

# 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)