# use with cmake -DCMAKE_TOOLCHAIN_FILE=source_dir/w64.cmake [-DGNU_HOST=i686-w64-mingw32] source_dir
# the name of the target operating system
SET(CMAKE_SYSTEM_NAME Windows)
# Choose an appropriate compiler prefix
# for classical mingw32
# see http://www.mingw.org/
#set(GNU_HOST "i586-mingw32msvc")

# for 32 or 64 bits mingw-w64
# see http://mingw-w64.sourceforge.net/
#set(GNU_HOST "i686-w64-mingw32")
IF("${GNU_HOST}" STREQUAL "")
    SET(GNU_HOST x86_64-w64-mingw32)
ENDIF()

SET(CMAKE_C_COMPILER ${GNU_HOST}-gcc)
SET(CMAKE_CXX_COMPILER ${GNU_HOST}-g++)
SET(CMAKE_RC_COMPILER ${GNU_HOST}-windres)

SET(CMAKE_FIND_ROOT_PATH  /usr/${GNU_HOST} ${USER_ROOT_PATH})
# prevent CMAKE to look for libs,includes and packages outside the mingw path
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
# however, use executables from the current system
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)