mingw-w64-x86_64.cmake

# https://cmake.org/Wiki/CMake_Cross_Compiling

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

SET(COMPILER_PREFIX "x86_64-w64-mingw32")

# which compilers to use for C and C++
find_program(CMAKE_C_COMPILER NAMES ${COMPILER_PREFIX}-gcc)
find_program(CMAKE_CXX_COMPILER NAMES ${COMPILER_PREFIX}-g++)
find_program(CMAKE_RC_COMPILER NAMES ${COMPILER_PREFIX}-windres)

# pkg-config
find_program(PKG_CONFIG_EXECUTABLE NAMES ${COMPILER_PREFIX}-pkg-config)

# here is the target environment located
SET(CMAKE_FIND_ROOT_PATH /usr/${COMPILER_PREFIX}/sys-root/mingw)

# 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 BOTH)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)